Surface Waves: Understanding its movements I. Introduction We treat here an important wave phenomenon‚ the surface wave. It occurs in many physical systems both mechanical and electromagnetic. Mechanical surface waves can exist at the interface between two media with different densities such as the oceans and air. Ordinary sea waves and tsunamis are surface waves. Seismic events can produce both longitudinal and shear waves at the earth’s surface‚ resulting in earthquakes. Electromagnetic surface
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Surface area Surface area is the measure of how much exposed area a solid object has‚ expressed in square units. Mathematical description of the surface area is considerably more involved than the definition of arc length of a curve. For polyhedra (objects with flat polygonal faces) the surface area is the sum of the areas of its faces. Smooth surfaces‚ such as a sphere‚ are assigned surface area using their representation as parametric surfaces. This definition of the surface area is based on methods
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workplace hygiene procedures Hygiene aims to Positive attitude towards personal cleanliness Awareness of hygienic practices Appropriate hygienic handling and storage of commodities and equipment in the kitchen. Hygiene risks Three Categories; 1. Personal hygiene Poor personal grooming Wearing nail polish or jewelry Not washing hands 2. Environmental hygiene Pets in the kitchen Chipped plates‚ cups etc No fly screens Not the correct method of garbage disposal 3. Food
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1 Class XII Chemistry Ch 5: Surface Chemistry Chapter Notes Top Concepts / Key learnings: 1. 2. 3. 4. 5. 6. Adsorption: The accumulation of molecular species at the surface rather than in the bulk of a solid or liquid is termed as adsorption. Adsorbate: The substance which is being adsorbed on the surface of another substance is called adsorbate. Adsorbent: The substance present in bulk‚ on the surface of which adsorption is taking place is called adsorbent. Desorption: The process of removing an
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Personal hygiene is very important because when we ’re in close contact with other college students bad breath or body odor is very offensive. We all want to feel like part of a group‚ but when our poor hygiene gets in the way‚ you may find you do not have very many friends. As parents‚ we need to encourage our children to practice good dental and personal hygiene‚ so that when they are adults they will develop good hygiene habits. At an early age as young as 11 years old‚ boys start to notice
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Dental Hygiene Letter of Interest: Dental Hygiene Program I am applying for the Dental Hygiene progr***** at Howard University ***** two reasons‚ both of which will be detailed here. First and foremost‚ I have chosen to apply specifically to ***** University because I have great respect for the University itself and how it has operated since its beginnings. It ***** been ***** scene of many important events in history and played an important role in the Civil Rights movement. The st*****ards that
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Case Summary Digital Semiconductor was a business unit of Digital Equipment Corporation. John Gavin‚ the DS group controller‚ wanted the finance department to find ways to add value and better support the division because the DS business strategy had many changes over the past five years and the division was still operating at a loss. History: The semiconductor division which was a part of Digital Equipment Corporation expanded rapidly in the 1970s. Digital was financially very successful in 1988
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or lactating women 2. The cost of foodborne illness can occur in the form of: a. Medical expenses b. Loss of sales c. Legal fees and fines d. All of the above 3. CDC reports show that in most foodborne illness outbreaks‚ mishandling of the suspect food occurred within which of the following stages? a. Transportation b. Retail food establishment c. Food manufacturing d. Food production (farms‚ ranches‚ etc) 4. If a utensil is sanitized it: a. Is
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effective way to provide additional instruction in practice. Lets examine the six constructive purposes for homework in the context of your child’s educational experience. The first two are the most important and obvious. Through (1) practice and (2) participation in learning tasks‚ homework can improve your child’s achievement. Thus‚ it would be expected that if homework were completed accurately‚ not only would your child’s general knowledge and grades improve but your child would also increase
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BSc in Hotel Management Food Hygiene and Safety Practice HTM2110 24027 BSc (HONS) Hotel Management Product: Lemon Pork Cutlets ABC Restaurant Submission Date: March 27 2013 Content 1. Scope: Hazards Name of Product Intended Use Process Potential Customers 2. Production Description 3. The HACCP Team 4. Process Flow Diagrams 5. HACCP Analysis Charts Ingredients Purchasing
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