OXIDATION AND REDUCTION Oxygen makes up only about 20% of the air‚ yet is the essential component for so many reactions. Without it fuels would not burn‚ iron would not rust and we would be unable to obtain energy from our food molecules through respiration. Indeed animal life on the planet did not evolve until a certain concentration of oxygen had built up in the atmosphere over 600 million years ago. The term oxidation has been in use for a long time to describe these and other reactions where
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[pic] BY Dr.T.K.NAIYA Department of Petroleum Engineering Indian School of Mines‚ Dhanbad – 826004 Factors Influencing Well Completion Design Completion is the lowest cost completion that needs or nearly made the demand played upon a form the most of his life. To intelligently design will completion‚ a reasonable estimate of producing characteristics during the life overwhelm must be made. Both reservoir and mechanical considerations must be evaluated. Reservoir considerations
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opportunities and threats has been created: STRENGTHS - Multi-purpose product - Anti-corrosion - Self-cleaning - Industrial uses WEAKNESSES - Primarily a water/liquid repellent - Little to no rainfall in Saudi Arabia OPPORTUNITIES - NeverWet could be useful for workers in the oil industry as it could keep their shoes and clothes clean‚ and help them last longer - NeverWet could be used as a rust and corrosion repellent THREATS - NeverWet’s name could be misleading to consumers as it does not suggest
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The bulk modulus of elasticity of basalt is between 2.8g/cm3 and 3.3g/cm3 and the dense basalt is of high compressive strength‚ which can be as high as 300MPa.The basalt has a high rigidity (its Moh鈥檚 hardness is 5-9)‚ so it has excellent abrasive resistance. The best crusher configuration for basalt :PE jaw crusher limestone hammer crusher for sale‚ PF impact crusher‚ PYG cone crusher. Kenya is a country which is rich in mineral resources‚ such as copper‚ iron‚ titanium‚ manganese‚ gold‚ and
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Characteristics of a Good Hydraulic Fluid Viscosity Viscosity is a measure of a hydraulic fluid’s resistance to flow. It is a hydraulic fluid’s most important characteristic and has a significant impact on the operation of the system. When a hydraulic oil is too thin (low viscosity)‚ it does not seal sufficiently. This leads to leakage and wear of parts. When a hydraulic oil is too thick (high viscosity)‚ the fluid will be more difficult to pump through the system and may reduce operating
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loss of air volume‚ possible equipment damage and an expensive cleaning process. That why proper maintenance of air conditioning system required. Preventive Maintenance Preventative maintenance is essential in reducing equipment failures‚ corrosion and expensive repairs. Preventative maintenance programs can help reduce energy usage and save you money. Followings are packaged air conditioning system preventive maintenance procedures. (a) Air-side maintenance 1. Change filters - time between
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containment requirements. Glass vessel: Glass vessels are smooth which makes it non toxic‚ corrosion proof. It also makes it easy to examine the interior of the vessel. Stainless steel vessel: Stainless steel is the most satisfactory material for large scale fermentations. These vessels can be sterilized in situ and hence have the capability to withstand pressure and corrosion. 2) Heating and cooling apparatus: During fermentation process‚ heat is generated due to microbial activity
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associated with acid rain. 2. Acid rain occurs when pH of the rain is between 2.4 and 5.0. This is due to the reaction of sulphur dioxide‚ SO2 with rainwater. SO2+H2O→ H2SO3 3. The negative effect of acid rains include a. corrosion of concrete building and metal structure. b. corrosion of monuments and statues made from marble c. causes erosion of top soil. d. killing aquatic life. Health Effects 1. SO2 is an
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* Another substance‚ called a reducing agent causes or promotes the reduction of a metal compound to an elemental metal. In this example‚ it is CO. * Corrosion‚ including the rusting of metals‚ is now understood to be similar to combustion. * Reactions of substances with oxygen‚ whether they are combustion‚ burning‚ or corrosion‚ came to be called oxidation. * Oxidation is a process in which metals are converted to compounds by most non-metals. * This does not always occur
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← Muon ← Is created when a neutrino collides and combines with an H2O proton (weak force) ← Creates blue light ← High energy; travels faster than the speed of light (in water) ← Neutrino ← Type of particle: Lepton (like electrons and muons) ← Most abundant particle in the universe ▪ 1016 neutrinos are passing through your body at any point in time ← Theoretically discovered by Wolfgang Pauli (1930); actually discovered in 1955 ← Produced during nuclear reaction or changes
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