Saturday, March 21, 2020

Security Manager Role Essays

Security Manager Role Essays Security Manager Role Paper Security Manager Role Paper Security Manager Role To understand the role(s) of a Security Manager, a person must know what security is and what it means to an organization. According to Ortmeier, â€Å"security may be defined as a public or private service-related activity that provides personnel, equipment, and creates policies and procedures designed to prevent or reduce losses. These losses, caused by criminal action as well as by noncriminal events resulting from human error, emergencies, man-made and natural disasters, and business intelligence collection by competitors†. 2009). Security takes into account all actions and objectives intended to meet asset safeguard goals to make certain that security problems do not occur. Management of security is defined as multifaceted and interdisciplinary. Security for an organization includes the use of criminal and civil law, inspections, sleuthing, profiling, business management, strategy proposals, psychology, sociology, and technolo gy to shield persons and property. A security manager’s role varies, according to the organizational structure. A security manager takes on managerial, administrative, preventative, and investigative responsibilities and functions. The Managerial Role The security personnel’s managerial role, as stated by Ortmeier would entail the selection, training, scheduling, supervising, and the evaluation of security personnel. In addition to the aforesaid, the role of manager includes the responsibilities of productivity and improvements, morale, compensation, the employee’s welfare, attitudes, and expectations (2009). The Administrative Role Security manager’s administrative role encompasses the formation of the security’s organizational vision, mission, goals, and objectives. The security manager decides how the security operation should be set up and who will perform the security-related tasks. These managers also decide if security will be kept in-house or out-sourced or have a combination of the two. The Preventive Role The security manager’s preventive role necessitates the accountability for the prevention of loss from any source. The ultimate goal of the security anager is to distinguish what are or can be problems and to diminish or prevent the risk from occurring. The Investigative Role The security manager is not a public police officer. Security personnel are specially trained in security services not in law enforcement. The security manager’s knowledge in this area includes intelligence gathering capabilities and investigative skills. Information Technology Security Managers Inform ation technology security managers are the keepers of confidential information. The Open Guide states that information security refers to confidentiality, integrity, and availability. The mission of IT security managers is to prevent any breach of IT services and data within the organizational requirements at acceptable cost. In todays economy with all of the hacking and stealing of information, the IT department and the security department need each other. The IT department is the protector of information and the security department is the protector of lives and assets. The company’s information is an asset in one form or another, either electronic or written. Hardcopy and electronic information needs to be protected from theft. If electronic information is backed up in any form, it has to be kept safe and secure in a location that can be accessed at a later time, if needed. Security personnel need to know where the information is to be located so that a security plan can be put into place to secure said information. If backups need to be moved, security can be on hand to transfer information, whether it is down the hall or to another location (2011). Airline Security Managers According to Powers, who wrote the job description for an airline security manager says that, the airline security manager’s purpose is to provide the supervision of the airline’s operational security functions and to make certain that the airline is conforming to current and future requirements of the Federal Transportation Security Administration (TSA). The manager must also manage tasks that will guarantee the safety of the public and the security personnel. Duties required on daily include: continual monitoring of the airport’s security status, identifying any potential current or future problems, analyze security and inspection reports to ensure that all TSA compliances are met, notifying TSA of any changes or problems that may require federal assistance, address and correct any issue that does not meet standard security procedures, interview any potentially new employee, hire new employee(s), instruct new employee(s) Airline security managers must be knowledgeable of public safety and security in an airport setting, discern how to use all security equipment and procedures, be familiar with all local, state, and federal airport security requirements and be aware of any new legislation. This manager must also have skills in administrative, monetary planning and analysis, understand how to use computers, software programs and technology, and recognize how to react in a large crisis situation or disaster (2011). Private Security Managers As stated by Writing, a private security manager’s role is to prepare and direct security operation systems and programs while providing safety to an organization or facility. The planning, management, and reporting are the core responsibilities of this position. Duties required on daily include: analyzing statistics and information to ensure a safe and secure work environment identifying weaknesses in building security and acting to resolve them set into place security policies and procedures and implement them revise any existing protocol(s) that may need updated or done away with hire security guard personnel take steps necessary to ensure the building is safe and secure consult with management in making any improvements or executing any security standards that comply with state and federal regulations be familiar with federal and state laws to ensure compliance within any industry develop unique programs to instruct personnel and employees lead, teach, and communicate with employees and security personnel write reports and reviews recommend employees for raises or termination Private security managers have more restricted rights than police officers, depending on the state law, in regard to holding people and carrying weapons. Many security personnel do not carry firearms, but if required, a concealed weapons permit would need to be acquired from that jurisdiction (2011). Public Facility Security Managers As stated by Amico, who describes the duties of a security manager, public facility security managers handle the security in businesses such as nightclubs, museums, office buildings and other public facilities. The security manager’s job is to make sure that the property is safe and secure and that everyone on the grounds has the legal right to be there, such as the nightclubs and persons underage trying to obtain admission. Duties required on daily basis include: protect lives and protect the property of the client maintain order among patrons and deal with unruly patrons know how to handle adverse situations preventing theft or vandalism protecting the building(s) or vehicles be alert to any suspicious activity know how to react to threats or disasters supervise staff hire and train guards know how to use force when needed and how much force to use know when to call in backup from the local police department or paramedics The majority of public facility security managers need to be at least 21 especially to work in a nightclub. Security managers in these areas need to use common sense and good judgment, like the nightclub scene and teenagers trying to pass off fake identification. A good number of security managers have spent time as guards before gaining a promotion into a managerial position (2011). Security Guard Roles According to Ray, security guards are not police officers and do not have the same duties and responsibilities. Security guards are in the prevention business, and it is their job to operate as an impediment to crime, watch for looming danger and report crimes that they may come across. Guards should be alert and visible at all times. Some thefts, damage, and injuries can be prevented when a criminal spots a guard. A guard is required to record events, take down license plate numbers and recall features to report the discoveries to the authorities. Security guards should have access to a phone or radio at all times to report any irregular activity or crime in progress, or to call for backup. A few guards are required to check badges of employees and visitors, or to check the bags of the employees and visitor’s leaving the facility (2011). Conclusion The role of a security manager varies from organization to organization, but in every case the most important task is to be a protector. The security manager of any business has two main goals: to promote a safe and secure environment for employees and visitors and to prevent loss of any kind. A security manager has many hats to wear but needs to assume simultaneously all roles of being a manager, administrator, trainer, referee, preventer/protector and investigator. Security managers need to work with other departments, keeping communication lines open, to promote a safe and secure environment. In an organization that keeps any kind of data, the security manager needs to know where the information is to be stored, so that a security plan can be put into place to secure said documents. All security managers need to be knowledgeable in their city, state, and federal laws that pertain to their workstation and be aware of any new legislative requirements that the company needs to be in compliance with. When problems arise the security manager needs be able to take care of the problem or if the situation calls for it, to call in backup. If a security manager cannot fulfill their role or fails to satisfy his or her job requirement the organization: can be sued and dragged into court, the company name can be slandered, someone can be terribly hurt or killed, or the company can lose assets Should any of the above occur the organization will lose business. In this case, the security managers in a position of being reprimanded and terminated for the lack of promoting a safe and secure premise and preventing loss of assets. References Amico, S. (2011). Security Managers Duties. Retrieved from ehow. com/print/list_6185215_security-manager_s-duties. html Open Guide. (2011). IT Security Management.. Retrieved from itlibrary. org/index. php? page=IT_Security_Management Ortmeier, P. J. (2009). Introduction to security operations and management (3rd ed. ). Upper Saddle River, NJ: Pearson Education, Inc. Retrieved from University of Phoenix eBook Collection database. Powers, J. (2011). Airline Security Manager Job Description. Retrieved from ehow. com/about_6326581_airline-security-manager-job-description. html Ray, L. (2011). Job Duties Responsibilities of a Security Guard. Retrieved from ehow. com/print/facts_4925183_job-duties-responsibilities-security-guard. html Writing, A. (2011). Responsibilities of a Private Security Manager. Retrieved from ehow. com/list_6023354_responsibilities-private-security-manager. html

Wednesday, March 4, 2020

47 of the Best Training Resources to Hone Your Marketing Skills

47 of the Best Training Resources to Hone Your Marketing Skills Marketing teams are constantly busy. There’s barely enough time to get on top of your projects, much less take a couple hours out of the day to do some marketing training. But here’s a thought†¦ What if the training helped your team be more efficient at their jobs? Thus saving time in the long run. Not sure where to turn to find the right training opportunities for your marketing team? No stress. This post contains a comprehensive list of the best free and paid marketing courses to help your team hone their marketing skills. Check out this awesome list of the best free and paid marketing training resources.Help Your Team Develop Agile Marketing Skills Before we dive into all the marketing training opportunities, let’s talk about a much-needed marketing skill†¦ Project management. You know the feeling – The one where you’re drowning in work, chasing endless status updates and barely keeping a handle on all the things your team is working on. We’ve all been there. 😠¬ It doesn’t have to be this way. Check out how implementing an Agile approach to your marketing can change your (work) life. Table of Contents Content Marketing SEO Programming Analytics Social Media PPC Why Training is Important for Marketing Teams There is arguably no department at an organization that should prioritize training more than the marketing department. Hear me out on this one†¦ Can you think of anything within an organization that moves faster than marketing? Marketers are beholden to changing social media rules†¦ Search engine algorithm updates†¦ Email privacy regulations†¦ The list goes on. Marketers need consistant  training to stay in-the-know. Marketers are also often expected to wear multiple hats. How many times have you had to create a quick graphic for social media – even though you’re not a graphic designer? OR†¦ How many times have you had to jump into Google Analytics to check the health of your content marketing efforts, despite your limited analytics knowledge? Quite a few I bet. These are great examples of why marketers can (and should) take a course or two to brush up on skills outside of their expertise. Organizational Benefits of Training and Development Increasing employee motivation and decreasing turnover is something every company strives for. Turns out, a simple way to do this is to offer your employees a great training and development program. Here are all the statistics about the organizational benefits of training and development: Companies have a  218%  higher income per employee than those without formalized training. There’s a 24%  higher profit margin for companies that prioritize training than those who don’t. 40%  of employees who don’t receive training will leave their positions within the first year. 87%  of Millennials say that professional development is significant to them. 70%  of individuals say training and development opportunities influence their decision to stay at a company.

Monday, February 17, 2020

History of Architecture Research Paper Example | Topics and Well Written Essays - 2500 words

History of Architecture - Research Paper Example he posts are often made with the wood while the roof or the building was covered with stone tiles that made the roof heavy and protect the building from the heavy winds and cyclones. In this way, the architectural techniques were adopted not only to make the building attractive but also durable. The most significant buildings that signified the Japanese architecture included shrines and temples. Unlike some Chinese and Western architecture, the Japanese architecture tries to avoid the use of stone unless deemed necessary for specific purposes as noted in the temple of pagoda and podia foundations. The structural layout includes lintels and posts. The style of building the shrines also contributed to the construction style for domestic and urban architecture characterized by the nature of the building materials and the design of the tower. Buddhism is therefore cited as a major contributor in enhancement of Japanese architecture as noted by building of temples (Young & Young 1-28). In the Japanese structures Sliding doors were utilized to maintain no hurdle and to keep the inner space wide open. Little or even no furniture was placed inside the rooms to make the inner space open. Considering Japanese history of architecture, the Japanese architecture went through numerous periods of innovation. The beginning of the 7th century was mostly dominated by wooden structures noted by temples and shrines built by the noblemen. This period in history is referred to as Nara and Asuka periods of architecture. They were also periods that marked heightened growth of Japanese art and culture. In the 9th century, which was referred to as the Heian period was basically a continuation of the architectural developments in the previous periods. It also marked a period of the beginning of the Chinese influence as one of the formidable architectural forces as Japanese architects of the time travelled and studied Chinese design. Thereafter, wood temples started to spring up in large

Monday, February 3, 2020

Healthcare organizations Essay Example | Topics and Well Written Essays - 500 words

Healthcare organizations - Essay Example In the technological environment, various advancements have been made in the field of medicine. Science and technology have continually led to new diagnosis methods and treatments. This put pressure on the healthcare organization to purchaseth-new methods of diagnosis and treatment so as offer quality services to the US population. For instance, in US hospitals, paper medical records are being replaced by the by the electronic health records. This ensures that documents cannot get lost easily (Sultz et al., 2014).In the economic sector, the US health care organizations have been affected the employment rates and inflation. Many people in the US seek health care services, as the employment rate is high. In 2012, the average spending per individual on health in us exceeded that of other countries through their infant mortality and life expectancy was not good. Many Americans are they can readily access services using the insurance cover (Sultz et al., 2014).The banks as players in the financial sector have been offering the health care organizations money to purchase equipment or buildings for expansion. In late 2008 and 2009, the US banking system almost collapsed. Thismakesitdifficultforthe healthcare organizations to borrow finances for new equipment and building thus jeopardizing the operations of the health sector (Barr, 2011). The Indian healthcare organization is greatly affected by sociocultural factors. Many people in India are poor and uneducated. This greatly affects their health-seeking behavior.

Sunday, January 26, 2020

Preparation of Terbium Hydroxide Nanowires by Hydrothermal

Preparation of Terbium Hydroxide Nanowires by Hydrothermal The preparation of Terbium hydroxide nanowires  by hydrothermal method The single-crystalline Tb(OH)3 with various morphologies was successfully prepared from Tb2O3 powder by adjusting the concentration of acetic acid under hydrothermal condition. The influence of the concentration of acetic acid and reaction temperature on the crystalline phase and morphologies of Tb(OH)3 products was discussed. The concentration of acetic acid plays a key role in determining the products morphology. Eventually, the mechanism of acetic acid on morphology of products was deeply discussed. Keywords: Tb(OH)3, nanowires, spindle, rare earth, hydrothermal. Introduction Rare-earth elements are a group of 17 chemically similar metallic elements, including the 15 lanthanides, plus scandium and yttrium because of their similar chemical properties. The oxides of rare-earth elements have been extensive used in past decades because of their optic, electric, magnetic, and catalytic properties, which are caused by their unique electronic structures and numerous transition modes involving the 4f shells of their ions. These properties strongly depend on the composition, morphology and dimensionality of products, which are sensitive to the bonding states of rare earth ions. In recent years, many important materials have been prepared in the form of nanowires to generate some unexpected properties. Nanowires represent a class of quasi-one-dimensional materials, in which carrier motion is restricted in two directions so that they usually exhibit significant photochemical, physical, and electron-transport properties which differ from that of bulk or nanoparticle materials. Recently, three dimensional (3D) nanostructured architectures have been explored for a new generation of advanced devices such as supercapacitors, fuel cells, and sensors owing to some improved properties originating from their nanobuilding blocks and the manners in which they are organized. Up to now, a wide variety of inorganic materials, including metal,6a metal oxide,6b–d hydrate,6e borate,6f molybdate,6g,h and tungstate,6i have been successfully prepared with complex 3D hierarchical shapes by the solution-phase chemical method, due to its low cost and potential advantage for large-scale production. However, exploration of reasonable synthetic methods for controlled construction of complex 3D architectures of other inorganic functional materials via a chemical self-assembly route is still an intensive and hot research topic. In the controlled construction of self-assembly of 1D or 2D nanobuilding blocks into 3D novel nanoarchitectures, copolymers and surfactants always play important roles due to their directing functions during the aggregation process as well as their stabilizing effects in equilibrium systems. [Lu-1] For example, who and who reported the Who et al. have described systematically the †¦ However, there are only several report on the synthesis of Among the family of rare earth compounds, the terbium oxide is the important functional rare earth material. It had been used as a promising candidate for ceramic pigments, catalysts, promoters and stabilizers in combustion catalysts, oxygen-storage components, and materials with higher electrical conductivity. In addition, terbium hydroxides are of great importance because rare earth oxides can be straight formed through dehydration from hydroxides. To date, many terbium hydroxides particles have been synthesized via a hydrothermal route due to the advantages of high purity and good homogeneity, and the corresponding structured rare earth oxides were made by calcining the precursors. [Lu-1] In the present work, we exploited a one-step hydrothermal route to prepare nano-scale terbium hydroxide with various morphologies. In addition, the mechanism of acetic acid on morphology of products was deeply discussed. The reaction mechanism leading to the lutetium oxide precursor and the self-assembly process were discussed. A possible formation mechanism for the morphology evolution of these microstructures was suggested, which was not reported before. Experimental section: 2.1. Preparation of Tb(OH)3 precursors All chemicals with analytical grade were purchased from Wako Pure Chemical Industries, Ltd., Japan, and used without further purification. A detailed description of the preparation process is as follows: 15 mL of acetic acid solution with various concentrations (0.001~0.2M) and 0.45 g of Tb2O3were placed in a 25 mL Teflon-lined autoclave. The autoclave was sealed, heated in an electric oven to 200  °C at a heating rate of 5  °C/min, and maintained at 200  °C for 6 h with rotation for agitation. The autoclave was then cooled to room temperature via air quenching. The precipitate was collected using a centrifuge, washed with distilled water, and dried at room temperature. In order to investigate the mechanism, the reaction temperature and reaction time were appropriately changed. The pure water, sodium hydroxide and the other type of solutions were used as the solvent instead of acetic acid solution. 2.3. Characterization Powder X-ray diffractions (XRD) were performed using a Rigaku RTP-300RC diffractometer operating at 40 kV and 100 mA with Cu Kà ¯Ã‚ Ã‚ ¡ radiation (à ¯Ã‚ Ã‚ ¬) 1.54056 ÃŽ ¼m. The patterns were collected in the range of 10 ° to 70 ° with a 0.02 ° step and scanning speed of 4 °/min. The micrographs of field emission scanning electron microscopy (FE-SEM) were obtained using a JEOL JSM-6500F electron microscope operating at 15 kV. The samples were heated in air at a ramp rate of 10  ºC/min. Fourier transform infrared (FT-IR) spectra were obtained using a Shimadzu FTIR-8200PC spectrophotometer at room temperature. Result and discussion 3.1. Influence of acetic acid concentration on the phase and morphology of the obtained precursors The chemical composition and crystal structure of the samples were firstly determined by XRD measurements. Fig. 1 shows the XRD patterns of as-prepared samples in the various concentrations of acetic acid solution. It is easy found that when the concentration of HAc was lower than 0.15M (fig.1a~e), the XRD patterns can be indexed to be a pure hexagonal phase of Tb(OH)3, in agreement with the reported data (JCPDS 83-2038) with lattice constants a=6.3150 Ã… and c=3.6030Ã…. With the enhancement of concentration of HAc, the intensity of main diffraction peak (100) gradually reduced, meanwhile the full width at half maximum (FWHM) increased gradually. It means that the crystallinity of products and crystalline grain were gradually decreased. It is important to note that the relative intensity ratio of (110) and (101) peaks was changed with the increse of concentration of CH3COOH, suggesting that the preferential growth along c-axis occurs with the increse of concentration of CH3COOH . When the concentration was further increased to 0.2 M, an unknown phase was formed. The XRD patters showed the compound have the layered structure according to the d value. In order to determine the chemical composition of the unknown phase, the Infrared spectra was allowed to use. Fig.2 shows the FT-IR spectra for the as-prepared simples. The typical peaks of Tb(OH)3 products (fig2.a~e)were found at ca. 3610 and 670 cm-1. In accordance with the results in literature, these two bands can be associated with OH stretching and with Tb-OH bending modes in the hydroxide[à ¦-†¡Ãƒ §Ã…’ ®]. The FTIR spectra show that these products are free of organic byproducts. The IR spectra of the unknown phase (fig2.f) show additional adsorption bands at 3380, 2924 , 2853,1568, 1443 and 1011 cm-1. The occurrence of a broad 3390 cm-1 band is attributed to residual traces of water in the sample. The bands at 2924 and 2853 cm-1 correspond to –CH3 stretching and –CH3 against stretching vibration, respectively. These bands are located between 1568 and 1443 cm-1, which are typical for stretching vibrations of carboxylate groups Va(COO-) and Vs(COO-), resp ectively[à ¦-†¡Ãƒ §Ã…’ ®]. The band at 1011 cm-1 corresponds to Tb-OH bending vibration. On the basis of the IR spectraà ¯Ã‚ ¼Ã…’the precursor material is assumed to contain metal acetate hydrate and metallic hydrate (Tb(CH3COO)X(OH)Y†¢H2O). The SEM images of several typical samples with distinct morphologies are presented in Fig.3a-f. It is found that the concentration of acetic acid (HAc) plays a key role in determining the product morphology. Tb(OH)3 could be obtained at concentration between 0.001 to 0.15M. At low HAc concentration (fig.3a), the obtained product is composed of granular aggregates and it was difficult to distinguish each other. A slight increase in concentration to 0.01M (fig.3b), the morphology changed to microfibers of nanowires aggregated with diameter of 1.5 ÃŽ ¼m and length up to 5 ÃŽ ¼m. It is easy to find that these microfibers were composed of bundles of nanowires. The diameter of these nanowires ranges from 50 to 100 nanometers. As HAc concentration was further increased to 0.03M (fig.3c), the spindle-like structures ranging in diameter less than 2ÃŽ ¼m and length more than 10ÃŽ ¼m were obtained. When HAc concentration was added to 0.1 M (fig.3d), the length of the bundles of nanowires was fu rther increase to more than 12ÃŽ ¼m along with the decrease of the diameter. At the same time, the diameter of the nanowires also gradually reduced. To further increase the concentration of HAc to 0.15M (fig.3e), the bundles of nanowires began to varying degrees of separation, some single nanowires began to form. These nanostructures are found to be in a wide scale of size, ranging in diameter from less than 12ÃŽ ¼m to more than 2 ÃŽ ¼m. Finally, when the concentration was further increased to 0.2 M (fig.3f), the SEM photograph also showed that this compound consisted of plate-like crystals, which is in agreement with the XRD result. 3.2à ¯Ã‚ ¼Ã… ½Effect of temperature To determine the effect of temperature, the Tb2O3 with 15ml 0.067M CH3COOH solution were hydrothermally treated at 100, 160, 200, 220à ¢Ã¢â‚¬Å¾Ã†â€™ for 6h. According to the XRD patterns, the pure phase of Tb(OH)3 was only obtained at hydrothermal temperature above 160à ¢Ã¢â‚¬Å¾Ã†â€™, while only a small amount of Tb(OH)3 was formed at 100à ¢Ã¢â‚¬Å¾Ã†â€™, and most of products proved to be raw material Tb2O3. With the increase of reaction temperature to above 160à ¢Ã¢â‚¬Å¾Ã†â€™Ãƒ ¯Ã‚ ¼Ã…’the raw material Tb2O3 disappeared, and pure phase of Tb(OH)3 was obtained. When the temperature was increased to 220à ¢Ã¢â‚¬Å¾Ã†â€™Ãƒ ¯Ã‚ ¼Ã…’the crystallinity of Tb(OH)3 was significantly increased. The hydrothermal temperature has a great impact on the size of the terbium hydroxide precursors. Figure 5 shows typical SEM images of Tb(OH)3 in 0.067 mol/L HAc solution at various temperature. It can be seen that the a few microfiber-like structure of Tb(OH)3 was formed at low temperature of 100à ¢Ã¢â‚¬Å¾Ã†â€™(Fig.5a). When the temperature reached to 160à ¢Ã¢â‚¬Å¾Ã†â€™, the uniform microfibers of Tb(OH)3 nanowires with length of about 13 à ¯Ã‚ Ã‚ ­m were obtained(Fig.5b). With the enhancement of reaction temperature, the length of microfibers gradually increased, as well as the diameter of nanowires (inset in Fig.5b and Fig.5d). The more quantity of microfibers was formed at high reaction temperature than the low temperature. In addition these microfibers grew very slowly as the extension of reaction time at high temperature of 220à ¢Ã¢â‚¬Å¾Ã†â€™. Details of results are as shown in table1. That is because the reaction rate of the dissolving – recrystallization increases at high temperature, a large number of crystal nucleus has been quickly formed in the initial stage of reaction. In the case of no changing the total amount of raw materials, the smaller grain size has been formed under the condition of higher temperature. Meanwhile, the defect of products is less at high temperature than low temperature. Therefore the diameter of nanowires of microfibers at high temperature is bigger than at low temperature. 3.3. Effect of reaction In order to understand the reaction process, the reaction time was changed from 0 to 24h, while the CH3COOH concentration and reaction temperature were fixed to 0.067M and 200à ¢Ã¢â‚¬Å¾Ã†â€™, respectively, Figure 6 show the XRD results of samples received after 0 h (just when the oven reached 200 °C at a heating ramp of 5 °C /min), 0.5h, 2h, and 6h of hydrothermal reaction at 200  °C, respectively. According to the XRD patterns, when the oven reached 200  °C, the characteristic peaks of hexagonal Tb(OH)3 just began to appear in the XRD pattern, as shown in Figure 6a. Most of the characteristic peaks proved to be raw material Tb2O3. The pure phase Tb(OH)3 could be obtained after 30 min of hydrothermal reaction, and with the enhancement of reaction time, the intensity of main diffraction peak (100) gradually increased. It means that the crystallinity was gradually increased with the reaction time increased. Figure 7 shows SEM images of samples received after 0 h (just when the oven reached 200  °C at a heating ramp of 5  °C /min), 0.5 h, 2 h, 6 h, and 24 h of hydrothermal reaction at 200  °C, respectively. When the oven reached 200  °C, the product is composed of starfish-like microstructure (Figure 7a). With the increased of time to 0.5h(fig.7c), the morphology changed to microfibers of nanowires aggregated with diameter of 1.5 ÃŽ ¼m and length up to 5 ÃŽ ¼m. It is easy to find that these microfibers were composed of bundles of nanowires. As time was further increased to 6h (fig.7d), the spindle-like structures ranging in diameter less than 1.5ÃŽ ¼m and length more than 10ÃŽ ¼m were obtained. Finally, when time was increased to 24h (fig.7e), the nanowires of the spindle-like microfibers began to split. 3.4 the effect of CH3COOH on morphology According to the above phenomenon, CH3COOH plays a key role in determining the morphology of products. To determine the effect of CH3COOH on morphology, the pure water, sodium hydroxide, CH3COONa, HCl, oxalic acid and ascorbic acid (L-Ac) solution as the solvent instead of acetic acid. From XRD patterns we can see, no matter what kind of solution was used as a solvent, the pure phase Tb(OH)3 could be obtained. In 5M NaOH solution, the product was composed of nanorods aggregates. In pure water, nanoparticals and some mocrorods aggregates were obtained. (à ¦Ã‚ ¯Ã¢â‚¬ Ãƒ ¨Ã‚ ¾Ã†â€™Ãƒ §Ã‚ ¢Ã‚ ±,à ¦Ã‚ °Ã‚ ´,à §Ã¢â‚¬ ºÃ‚ Ãƒ ©Ã¢â‚¬ ¦Ã‚ ¸,à §Ã‚ ¡Ã‚ Ãƒ ©Ã¢â‚¬ ¦Ã‚ ¸,à ¨Ã‚ Ã¢â‚¬ °Ãƒ ©Ã¢â‚¬ ¦Ã‚ ¸,à §Ã‚ »Ã‚ ´Ãƒ ¤Ã‚ »-à ¥Ã¢â‚¬ËœÃ‚ ½c) Figure 9. SEM images of products synthesized from 0.45g of Tb2O3 in (a)10M NaOH solution and (b) pure water at 200 oC for 6h. Conclusion We have used terbium oxide and different concentrations of acetic acid to synthesize the single-crystalline Tb(OH)3 with various morphologies by a hydrothermal method. The concentration of acetic acid, reaction temperature, reaction time and types of solvents strongly affect the morphology and size of products. The morphology of the Tb(OH)3 products changed from granular aggregates, to microfibers of nanowires aggregated, spindle of nanowires, eventually into nanowires with increasing concentration. The crystallinity of the Tb(OH)3 products can be increased by enhanced the reaction temperature. The method utilized in this study to fabricate the terbium hydroxide with tunable morphologies is general and could be extended to synthesize the other rare earth hydroxides by simple adjusting the concentration of acetic acid.

Saturday, January 18, 2020

Is a Discovery an Invention or Is an Invention a Discovery

Is a discovery an invention or Is an Invention a discovery? This Is one question that can probably never be answered. A discovery can be defined as something which already existed, and is excavated after one notice's it or proves its existence . Invention is the creation of something which didn't exist before it was created by a genius mind . For instance, Newton discovered the existence of gravity when an apple fell on his head. It did exist before Newton realizes its existence, but then why TLD anyone else notice Its existence except him? Hence It Is said that Newton discovered gravity.Whereas on the other hand Thomas Alva Edison was the first person to make the electric bulb and his technology was a baby of his brain which didn't exist before he created it, hence it is said to be an invention. Almost all Areas of knowledge namely History, Art, Natural Science, Mathematics, Human science and ethics are both discovered and invented if different point of views are taken into consider ation. Is mathematics invented or discovered? There are two questions which arise In the minds of people when they think of this. If math was discovered. Where and how Is one exactly looking for It? Is mathematics a language?The way poets add new words to English making it more understandable and expressive; does a mathematician do the same with numbers to make it as connected and expressive it is? Or did they just point out at things which always existed but were waiting to be discovered. And if it was that, then why it did only appear to these big minds and not to common men. How could Newton and Leibniz, who stayed seas apart, come up to almost the same conclusions regarding calculus, In the same time period? Since they did reach at the same conclusions, their source of knowledge could also be similar hence math could be discovered.On the other hand if math was invented, why wouldn't we see the truth in â€Å"2+2=5†? Mathematics is based on a set of Axioms or what we call â€Å"postulates† which are basically statements that are assumed to be true without a proof. Therefore if â€Å"2+2=4† is an axiom without a proof, why do we believe so deep In It and use It In our dally affairs If there Is no possible proof to back It up? And If It were to be true, why wouldn't a new concept of â€Å"2+2=5†³ hold truth If a mathematician has come up with It with his own sensible research? Therefore mathematics can be invented. Human efforts to imitate, supplement, alter, or counteract the work of nature. † One of the most controversial areas of knowledge is art. This is mainly because art is not definite as people's definition of art is highly subjective. What might appeal to my eyes may not appeal to someone else's eye. For a person a cave could be artistic, while for another it could be Just another cave. Therefore art depends on peoples perception. Some artists try to find creativity in already existing things. For instance, an artist walking by a tree denuded realizes that the tree resembles a woman.For him, that is a piece of art, which always existed, hence was discovered. However, that tree may not seem like a woman to another person and may look Just like a tree. Some artists invent something and call it a piece of art. For instance, if an artist carves a woman out of a tree, en NAS invented that piece tot art. But again it may not necessarily appeal to others as an artwork. There is also a third view point to this. If I make a statement, â€Å"l am hungry', it is neither invented nor discovered. It is only the expression of my Houghton/feelings. The thought was created and brought out through the medium on language.Art too is a language used to express one's creativity. It is only a medium and is neither invented nor discovered, it is only created. What is it that clouds every human decision? What is it that forms a base line for the humans to understand whether what they are doing is right or wrong? What is it that's forms the human conscience? It is ethics. Ethics can be defined as, â€Å"A set of principles of right conduct. † Ethics are a list of rules which one has to follow to maintain a good conduct in the society. Our decisions and thoughts are completely governed by our ethics. Ethics are forced into us since our young early days.Every one at some point or the other remembers their parent's telling them in their adolescence, â€Å"One should never lie†, â€Å"one should always keep their anger in their control†, and â€Å"one should always bow their head before the great God†. What are these that our parent's are teaching us? These are ethics. These develop overtime and then they make us responsible humans. Were ethic's invented or were they discovered? Let's take for example, a comparison between the Indian culture and the Western culture a few cascades back. When widow remarriage was a taboo in the Indian culture, it was at accepted in the weste rn culture.In India, one's a husband expired because of what so ever reasons, the wife had to sit on his dead body and the family members would burn the living wife to death along with the dead husband. According to them, then, marriages were pairs made by God and sent to Earth. Therefore if the husband dies, the wife is also killed hence they stay in pairs even after death. That were the ethic's of Indians at that time, where as the western had a totally opposite culture. If a Cubans died or visa versa, the other one could get remarried and settle down with a new family.Therefore if the kinds of ethics thought to humans are differentiated on the bases of factors, in this case, Religion, then ethics is to be invented. On the other hand when it is believed that killing people for our selfish meaner is not a good conduct. Robbing, abusing, insulting others is not the right thing to do. What are these? These are also ethics, but the only difference is that these are accepted world- wid e. Maybe some countries have a small punishment for it and other have a terrible en but at the end everyone believes that it isn't the right thing to do.Then how are these ethics not differentiated on the bases of religion or any other factors symbolizing diversity? This might be because ethics might be discovered and their source of discovery is either the same or it is similar. This is because if the conclusion of two problems is the same, either their source is similar or the same. Therefore ethics can either be invented or discovered or maybe created my religion or religious preachers in the olden times but nothing can be said with complete certainty.

Thursday, January 9, 2020

Definitions of Micro Essay Samples

Definitions of Micro Essay Samples The War Against Micro Essay Samples From time to time, the best method to learn and understand new information is by way of seeing and understanding work which is already completed. Though people believe education is a correct and will make society, generally, a better place for everybody, others feel there's no real means to provide a free college education as colleges would still must be funded (likely through tax dollars). While attempting to learn how to compose a persuasive essay step-by-step, students forget about another crucial activity. The African American students will be interviewed from their various institutions as a manner of getting first hand information regarding the above stated issues. Don't hesitate to browse the webpage and click on any individual download hyperlink button below a sample which you like. To assist you kick-start your writing endeavors, you can select from the samples and templates below as a way to spark off some inspiration and emotions. In creating a thesis, it's imperative that you get a separate page for references and for bibliography. A student is made to dig in deeper into the information, and here, they've got a chance to grasp the concepts that they've learned and be in a position to apply them to a topic that's realistic. The 2 fields are usually differed by each other through the perspective that's used when dealing with the financial area of research. The principal element which creates a persuasive essay in English stand out from the remainder of assignments is the use of reasoning. You may be requested to finish a normal essay where you simply describe a matter and supply some solutions or solve a complicated case study. If you're looking to develop the superior essay on microeconomics topics all on your own, the very first place you should search is the internet. Micro Essay Samples Options It's inevitable that a student won't encounter essay writing in scho ol no matter the level. If you're to really gain from model essays, you will need to understand how to read the techniques of the writer'. As you already see from the above mentioned persuasive essay samples, these forms of papers can be quite different. You need to understand how to compose an effective essay as it is a typical foundation for a student's grade. Up in Arms About Micro Essay Samples? For some, essay writing may be stressful endeavor, but that should not possibly be the situation. A persuasive essay needs to be able to grab the interest of the folks reading it easily. The aim of a persuasive essay is to convince your readers your viewpoint is the proper viewpoint. The tradition of writing essays also develops critical thinking that is highly needed in any upcoming job. Ruthless Micro Essay Samples Strategies Exploited You may use the samples as a foundation for working out how to write in the right style. Buyer power is probably going to be high if numerous circumstances are in place. No cell changes its entire body, it merely changes its mind. For example someone who buys a car will should purchase gas also else they might not satisfy their need to drive car. Where to Find Micro Essay Samples Qualities of a great persuasive essay topic The topic ought to be specific. It will be simpler that you compose an excellent persuasive essay if it's a subject in which you have knowledge. As soon as your writing is finished, make certain to have an editor review your essay for you. You could also see 5-step standard guide on essay writing. When you are requested to compose an essay, attempt to discover some samples (models) of similar writing and learn how to observe the craft of the writer. Just stick to the guidelines stated above, and you will be well on your way to writing a fantastic persuasive essay. Offer your essay a title that's specific enough to provide the reader a feeling of what the essay is all about and as interesting as possible. Weave in your perspective to turn your essay unique. In this way, you will be in a position to know for sure what your essay is all about before devising your thesis. An essay is also a brief bit of writing on a certain subject. The Unexpected Truth About Micro Essay Samples Since past few decades, micro services have gotten trendy. Micro and tiny enterprises are the types of business that do not involve considerable capital in their establishment and development. Micro and compact enterprises are very common in India and for the bulk of people these firms are the single supply of profit. It are characterized with high capital turnover, because in order to earn a lot one has to produce and sell his cheap goods frequently. All About Micro Essay Samples When external costs are found, the industry equilibrium use of organic resources is inefficient because the social advantage is less than the social price tag. There's no ideal solution on how best to compose an effective essay. Always keep in mind that the success of your research is dependent on it. Every absolutely free sample research proposal on the function of micro and smallish enterprises in cutting poverty is quite helpful if the student doesn't know more about the suitable structure and format of the text and needs a hint for writing.