| PAN | 1) Poly-Arteritis Nodosa; °áÀý¼º ´Ù¹ß¼º µ¿¸Æ¿° 2) Peroxy-Acyl-Nitrate &nb... |
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| AN | acanthosis nigricans; acne neonatorum; acoustic neuroma; adult, normal; ala nasi; amyl nitrate; aneu... |
| CN | caudate nucleus; cellulose nitrate; charge nurse; child nutrition; chloroacetophenone; clinical nurs... |
| DME | degenerative myoclonus epilepsy; dimethyl diester; dimethyl ether; diphasic meningoencephalitis; dir... |
| Hg | mercury [Lat. hydrargyrum] |
| HMDE | Hanging Mercury Drop Electrode |
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| mer | mercury resistance |
| NR | Nitrate reductase |
| NaR | Nitrate reductase |
| PAN | Peroxyacetyl nitrate |
| phenyl | <chemistry> A hydrocarbon radical (C6H5) regarded as the essential residue of benzene, and the basis of an immense number of aromatic derivatives. <chemistry> Phenyl hydrate, a nitrogenous base (C6H5.N2H3) produced artificially as a colourless oil which unites with acids, ketones, etc, to form well-crystallized compounds. Origin: Gr. To bring to light + -yl: cf. F. Phenyle. So called because it is a by-product of illuminating gas. Source: Websters Dictionary (01 Mar 1998) |
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| phenyl alcohol | <chemistry> 1. A white or pinkish crystalline substance, C6H5OH, produced by the destructive distillation of many organic bodies, as wood, coal, etc, and obtained from the heavy oil from coal tar. It has a peculiar odour, somewhat resembling creosote, which is a complex mixture of phenol derivatives. It is of the type of alcohols, and is called also phenyl alcohol, but has acid properties, and hence is popularly called carbolic acid, and was formerly called phenic acid. It is a powerful caustic poison, and in dilute solution has been used as an antiseptic. 2. Any one of the series of hydroxyl derivatives of which phenol proper is the type. <chemistry> Glacial phenol, any one of a series of compounds having both phenol and aldehyde properties. Phenol phthalein. See Phthalein. Origin: Gr. To show + -ol: cf. F. Phenol. Source: Websters Dictionary (01 Mar 1998) |
| phenyl aminosalicylate | P-aminosalicylic acid phenyl ester;an antituberculous drug. Phenyl salicylate, the salicylic ester of phenol; the phenylic ester of salicylic acid; an intestinal analgesic and antipyretic; it has been used in the treatment of rheumatism, diarrhoea, and pharyngitis, as an enteric coating for tablets, and in ointments for sunburn prevention. Synonym: salol. (05 Mar 2000) |
| 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine | <chemical> 1,2,3,6-tetrahydro-1-methyl-4-phenylpyridine. A dopaminergic neurotoxic compound which produces irreversible clinical, chemical, and pathological alterations that mimic those found in parkinson disease. These toxic effects can be prevented by the administration of selective monoamine oxidase inhibitors. Since the cellular toxicity of the compound is similar to that observed in idiopathic parkinson disease, experimental studies with this compound can suggest new opportunities for effective therapy. The compound also induces duodenal ulcers. Pharmacological action: dopamine agents. Chemical name: Pyridine, 1,2,3,6-tetrahydro-1-methyl-4-phenyl- (12 Dec 1998) |
| ammoniated mercury | Used in ointment for the treatment of skin diseases. Synonym: ammoniated mercuric chloride, white mercuric precipitate. (05 Mar 2000) |
| mercury | 1. <astronomy> The first planet in order from the sun. It has no known natural satellites. It is one of the four inner or terrestrial planets of the solar system. It is the planet nearest the sun, from which its mean distance is about 36,000,000 miles. Its period is 88 days, and its diameter 3,000 miles. 2. <chemistry> A metallic element mostly obtained by reduction from cinnabar, one of its ores. It is a heavy, opaque, glistening liquid (commonly called quicksilver), and is used in barometers, thermometers, ect. Specific gravity 13.6. Symbol Hg (Hydrargyrum). Atomic weight 199.8. Mercury has a molecule which consists of only one atom. It was named by the alchemists after the god Mercury, and designated by his symbol, <mercury/. Mercury forms alloys, called amalgams, with many metals, and is thus used in applying tin foil to the backs of mirrors, and in extracting gold and silver from their ores. It is poisonous, and is used in medicine in the free state as in blue pill, and in its compounds as calomel, corrosive sublimate, etc. It is the only metal which is liquid at ordinary temperatures, and it solidifies at about -39 deg Centigrade to a soft, malleable, ductile metal. 3. Sprightly or mercurial quality; spirit; mutability; fickleness. "He was so full of mercury that he could not fix long in any friendship, or to any design." (Bp. Burnet) 6. <botany> A plant (Mercurialis annua), of the Spurge family, the leaves of which are sometimes used for spinach, in Europe. The name is also applied, in the United States, to certain climbing plants, some of which are poisonous to the skin, especially. To the Rhus Toxicodendron, or poison ivy. Origin: L. Mercurius; akin to merx wares. Source: Websters Dictionary (25 Jun 1999) |
| mercury arc | An electric discharge through mercury vapor between electrodes, one of which is usually mercury; provides a rich source of therapeutic ultraviolet rays; the containing tube is usually quartz; may also be glass with a fluorite window. (05 Mar 2000) |
| mercury bichloride | <chemical> Mercury chloride (hgcl2). A highly toxic compound that volatises slightly at ordinary temperature and appreciably at 100 degrees c. It is corrosive to mucous membranes and used as a topical antiseptic and disinfectant. Pharmacological action: anti-infective agents, local, disinfectants. Chemical name: Mercury chloride (HgCl2) (12 Dec 1998) |
| mercury biniodide | mercuric iodide, red |
| mercury compounds | Inorganic compounds that contain mercury as an integral part of the molecule. (12 Dec 1998) |
| mercury deutoiodide | mercuric iodide, red |
| mercury isotopes | Stable mercury atoms that have the same atomic number as the element mercury, but differ in atomic weight. Hg-196, 198-201, and 204 are stable mercury isotopes. (12 Dec 1998) |
| mercury poisoning | A disease usually caused by the ingestion of mercury or mercury compounds, which are toxic in relation to their ability to produce mercuric ions; usually acute mercury poisoning is associated with ulcerations of the stomach and intestine and toxic changes in the renal tubules; anuria and anaemia may occur; usually chronic mercury poisoning is a result of industrial poisoning and causes gastrointestinal or central nervous system manifestations including stomatitis, diarrhoea, ataxia, tremor, hyperreflexia, sensorineural impairment, and emotional instability (Mad Hatter syndrome). Synonym: hydrargyria, hydrargyrism, mercurialism. (05 Mar 2000) |
| mercury protoiodide | HgI;used externally as an ointment in eye diseases. Synonym: mercury protoiodide, yellow mercury iodide. (05 Mar 2000) |
| mercury radioisotopes | Unstable isotopes of mercury that decay or disintegrate emitting radiation. Hg atoms with atomic weights 185-195, 197, 203, 205, and 206 are radioactive mercury isotopes. (12 Dec 1998) |
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