Hazards‚ risks‚ outcomes The terminology used in OSH varies between states‚ but generally speaking: • A hazard is something that can cause harm if not controlled. • The outcome is the harm that results from an uncontrolled hazard. • A risk is a combination of the probability that a particular outcome will occur and the severity of the harm involved. “Hazard”‚ “risk”‚ and “outcome” are used in other fields to describe e.g. environmental damage‚ or damage to equipment. However‚ in
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The formation of an action potential can be divided into five steps. (1) A stimulus from a sensory cell or another neuron causes the target cell to depolarize toward the threshold potential. (2) If the threshold of excitation is reached‚ all Na+ channels open and the membrane depolarizes. (3) At the peak action potential‚ K+ channels open and K+ begins to leave the cell. At the same time‚ Na+ channels close. (4) The membrane becomes hyperpolarized as K+ ions continue to leave the cell. The
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Redox potential – CV Acetonitrile Adjusted sensitivity Each ;line represents diff scan rates all been overlayed on one digarm Scan rates ranged from 0 .1 s-1 to 1 Peak due to iodide oxidation is read from +peak to – peak bottom line. Iodide to triiodide Glycol Didn’t work Using equation ip = 2.69 ×105 n3/2 A D1/2 C ν1/2 compare to linear equation y = mx+c y = peak current x = V1/2 c = zero Therefore m is = everything else C = concentration 0.05 M ethylene glycol (acetonitrile
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Differences between natural hazards and natural disasters 1 A hazard is an event or object that is a potential source of harm to community. A disaster occurs as the result of a hazardous event that dramatically affects a community. Natural Hazards Human Hazards Atmospheric – eg cyclones‚ hailstorms‚ blizzards or bushfires. Technological – accidents‚ explosions or hazardous materials. Hydrological – eg example‚ flooding‚ wave action or glaciers Human – eg. War‚ crowd stampede and terrorism
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Environmental Hazards Kenya Lewis Environmental science Instructor: Donald Demoulin Everest University June 11‚ 2011 What are the four categories of human environmental hazards? Culture Hazards are a person risky choice of their lifestyle. People engage in risky behavior and subject themselves to hazards. They may smoke cigarettes‚ eat too much‚ drive too fast‚ use addictive and harmful drugs‚ consume alcoholic beverage‚ sunbathe‚ engage in risky sexual practices‚ get too little exercise
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THE WORK DONE BY A CONSERVATIVE FORCE ALWAYS HAS FOUR PROPERTIES: 1. It can be expressed as the difference between the initial and final values of a potential-energy function. 3. It is independent of the path of the body and depends only on the starting and ending points. 2. It is reversible. 4. When the starting and ending points are the same‚ the total work is zero. The total mechanical energy ME = K + U is constant. Object moving in a uniform gravitational field gravitational a
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which cell has the larger resting membrane potential? Explain. If the permeability to K is higher in A than in B‚ then the resting membrane potential (rmp) will be closer to the equilibrium potential in cell A‚ which means the rmp will be more negative in cell A than in cell B; or in other words‚ the potential difference will be LARGER in cell A. 2. Predict the effect of a reduced extracellular concentration of Na+ on the magnitude of the action potential in an electrically excitable cell. If there
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Workbook one Principles of communication in adult social care settings 1) Sign language Lip reading Makaton Braille Technological aid Human aid – interpreter – translator –signer 2) They are hurt They want food They are tried General interaction They want a drink 3) a) colleagues – the environment will be a pleasant and positive one to work within if colleagues communicate regularly therefore promoting team work. b) the service user- people usually feel satisfied
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Potential Energy • Definition and Mathematics of Work • Calculating the Amount of Work Done by Forces • Potential Energy • Kinetic Energy • Mechanical Energy • Power An object can store energy as the result of its position. For example‚ the heavy ball of a demolition machine is storing energy when it is held at an elevated position. This stored energy of position is referred to as potential energy. Similarly‚ a drawn bow is able to store energy as the result of its position. When assuming
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Assess the individual in a health and social care setting 1. Understand assessment processes 1.1 Compare and contrast the range and purpose of different forms of assessment There are many forms I use to assess an individual’s needs. The first bit of the information comes from Derby City Council‚ which is called a outcome based support assessment. This is what they use to identify someone’s needs and how much care they require. The information on this document is great for Derby City to use‚ but
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