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duralumin
duralumin , alloy of aluminum (over 90%) with copper (about 4%), magnesium (0.5%-1%), and manganese (less than l%). Before a final heat treatment the alloy is ductile and malleable; after heat treatment a reaction between the aluminum and magnesium produces increased hardness and tensile strength.... Read more |
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Detoxification
Detoxification Definition Detoxification is a process in which the body is allowed to free itself of a drug. During this period, the symptoms of withdrawal are also treated. Detoxification is the primary step in any drug treatment program, and is used as the initial phase in... Read more |
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Water Treatment
Water Treatment The goal of water treatment, usually from surface sources such as lakes, reservoirs, or rivers, is to remove contaminants and organisms through a combination of biological, chemical, and physical processes to make it safe for drinking. Some of these occur in the natural environment,... Read more |
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rifampin
rifampin , antibiotic used in the treatment of tuberculosis . It is also used to eliminate the meningococcus microorganism from carriers and to treat leprosy , or Hansen's disease. Rifampin, or rifampicin as it was formerly called, acts by inhibiting protein synthesis in sensitive cells. It is a... Read more |
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tempering
tempering process involving slow and moderate heating to increase the hardness and toughness of metals that have undergone previous heat treatment. Metals are usually hardened (see hardening ) by being heated to high temperatures and quenched rapidly. This treatment causes brittleness, which is... Read more |
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Weight Management
Weight management Definitions Weight management refers to a set of practices and behaviors that are necessary to keep one's weight at a healthful level. It is preferred to the term "dieting," because it involves more than regulation of food intake or treatment of... Read more |
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gilding
gilding process of applying a thin layer of real or imitation gold to a surface. The process is employed on wood, metal, ivory, leather, paper, glass, porcelain, and fabrics and is used to embellish the decorative elements, domes, and vaults of buildings. Gold, or a substitute, may be applied in... Read more |
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first aid
first aid immediate and temporary treatment of a victim of sudden illness or injury while awaiting the arrival of medical aid. Proper early measures may be instrumental in saving life and ensuring a better and more rapid recovery. The avoidance of unnecessary movement and over-excitation of the... Read more |
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furnace
furnace enclosed space for the burning of fuel. There are many kinds of furnaces, the type depending upon the fuel and the use to which the heat produced within it is put. Most familiar are the furnaces used in the heating of buildings. In the hot-air furnace, fuel is burned within an inner wall... Read more |
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sciatica
sciatica , severe pain in the leg along the sciatic nerve and its branches. It may be caused by injury or pressure to the base of the nerve in the lower back, or by metabolic, toxic, or infectious disease. Treatment is for the underlying condition; measures for the relief of pain include bed rest,... Read more |
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