polyvinyl-chloride plastic
51Tracheal intubation — Intervention Anesthesiologist using the Glidescope video laryngoscope to intubate the trachea of a morbidly obese elderly person with challenging airway anatomy …
52Phthalate — Phthalates, or phthalate esters, are esters of phthalic acid and are mainly used as plasticizers (substances added to plastics to increase their flexibility). They are chiefly used to soften polyvinyl chloride. Phthalates are being phased out of… …
53Risk factors for breast cancer — Risk factors of breast cancer may be divided into preventable and non preventable. Their study belongs in the field of epidemiology. Breast cancer, like other forms of cancer, is considered to result from multiple environmental and hereditary… …
54Thermoplastics — A thermoplastic is a plastic that melts to a liquid when heated and freezes to a brittle, very glassy state when cooled sufficiently. Most thermoplastics are high molecular weight polymers whose chains associate through weak Van der Waals forces… …
55Plasticizer — Plasticizers are additives that increase the plasticity or fluidity of the material to which they are added, these include plastics, cement, concrete, wallboard and clay bodies. Although the same compounds are often used for both plastics and… …
56explosive — explosively, adv. explosiveness, n. /ik sploh siv/, adj. 1. tending or serving to explode: an explosive temper; Nitroglycerin is an explosive substance. 2. pertaining to or of the nature of an explosion: explosive violence. 3. likely to lead to… …
57floor covering — Finish material on floors, including wood strips, parquet, linoleum, vinyl, asphalt tile, rubber, cork, epoxy resins, ceramic tile, and carpeting. Wood strip flooring, attached to a subfloor of plywood, is most popular, especially for residences …
58Vinyl — A vinyl compound is any organic compound that contains a vinyl group (also called ethenyl), −CH=CH2. These are derivatives of ethene, CH2=CH2, with one hydrogen atom substituted with some other group.A related phrase is vinylidene which stands… …
59Polycarbonate — Repeating chemical structure unit of Polycarbonate made from bisphenol A Ph …
60Diaphragm valve — Diaphragm valves (or membrane valves) consists of a valve body with two or more ports, a diaphragm, and a saddle or seat upon which the diaphragm closes the valve. The valve is constructed from either plastic or steel. Originally, the diaphragm… …
