单词 | 人工合成 |
释义 | 〔theophylline〕A colorless crystalline alkaloid, C7H 8N 4O 2H 2O, derived from tea leaves or made synthetically, used as a cardiac stimulant and diuretic. 茶碱:无色晶体碱,C7H 8N 4O 2H 2O,从茶叶中提取或人工合成,用于心肌兴奋剂和利尿剂 〔polyester〕Any of numerous synthetic polymers produced chiefly by reaction of dibasic acids with dihydric alcohols and used primarily as light, strong, weather-resistant resins in boat hulls, swimming pools, textile fibers, adhesives, and molded parts.聚脂:一种人工合成的聚合物,主要通过二元酸与二羚基醇反应产生,主要在船体、游戏池、织物纤维、黏合剂和铸件上用作轻而强硬的、防风雨的合成树脂〔quercetin〕A yellow, powdered crystalline compound, C5H 15O 2(OH) 5, synthesized or occurring as a glycoside in the rind and bark of numerous plants, and used medicinally to treat abnormal capillary fragility. 槲皮苷,栎皮酮:一种黄色粉末状的晶体化合物C5H 15O 2(OH) 5,人工合成或以糖苷存在于许多植物的果皮及树皮中,在医药中用来治疗不正常的毛细血管脆弱 〔spectinomycin〕A broad-spectrum antibiotic, C14H 24N 2O 7, obtained from a species of gram-negative bacteria (Streptomyces spectabilis) or produced synthetically, used especially in the treatment of penicillin-resistant gonorrhea. 奇放线菌素:一种宽光谱的抗菌素,化学式为 C14H 24N 2O 7,由一种革兰氏阴性细菌 (状观链梅菌) 获得或由人工合成,用来治疗抗青霉素的淋病 〔musk〕A synthetic chemical resembling natural musk in odor or use.合成麝香:一种类似天然麝香的香味或者用途的人工合成的化学品〔pemoline〕A white, crystalline synthetic compound, C9H 8N 2O 2, used as a mild stimulant of the central nervous system, usually in combination with magnesium hydroxide, especially in treating depression. 帕吗啉:一种白色水晶球状的人工合成有机物,C9H 8N 2O 2,用作治疗中枢神经系统功能轻微失调的兴奋剂,通常与氢氧化镁配用,尤用于治疗抑郁症 〔indene〕A colorless organic liquid, C9H 8, obtained from coal tar and used in preparing synthetic resins. 茚:一种无色的有机液体,C9H 8,从煤油中取得并用于配制人工合成树脂 〔YAG〕A hard synthetic yttrium aluminum garnet used in laser technology and as a gemstone.人造钇铝石榴石:一种坚度的、人工合成的钇铝石榴石,用于激光工艺并用作一种宝石〔lawrencium〕A short-lived, radioactive synthetic transuranic element produced from californium and having isotopes with mass numbers 255 through 260 and half-lives of a few seconds to three minutes; atomic number 103. See table at element 铹:一种寿命期短的、人工合成的放射性超铀元素,从锎中生成,有质量从255到260的同位素,半衰期从几秒钟到三分钟;原子序数103 参见 element〔celluloid〕Artificial; synthetic:人造的;人工合成的:〔benzaldehyde〕A normally colorless aromatic oil, C6H 5CHO, obtained naturally, as from the bitter almond, or made synthetically and used in perfumes and as a solvent and a flavoring. 苯基:一种通常为无色的芳香油,C6H 5CHO,从苦杏仁中提取或人工合成,作为溶剂和调味品用于香料中 〔oil〕Any of numerous mineral, vegetable, and synthetic substances and animal and vegetable fats that are generally slippery, combustible, viscous, liquid or liquefiable at room temperatures, soluble in various organic solvents such as ether but not in water, and used in a great variety of products, especially lubricants and fuels.油类:任一种从矿物、植物中提炼的和人工合成物质以及动植物油,一般较为湿滑,可燃、粘稠、液态的或在室温下为液体,可溶于各种有机溶剂如酸,但不溶于水,用于大量的产品,特别是润滑剂和燃料中〔dextrose〕The dextrorotatory form of glucose, C6H 12O 6·H 2O, found naturally in animal and plant tissue and derived synthetically from starch. Also called dextroglucose 右旋糖:葡萄糖的右旋形式,C6H 12O 6·H 2O,在动、植物组织中自然存在并可由淀粉人工合成 也作 dextroglucose〔penicillin〕Any of a group of broad-spectrum antibiotic drugs obtained from penicillium molds or produced synthetically, most active against gram-positive bacteria and used in the treatment of various infections and diseases.青霉素,盘尼西林:一种从青霉菌或人工合成青霉菌中提炼的广谱抗生素,能最有效地防治革兰氏阳性细菌且广泛运用于各种传染病和疾病的治疗中〔cephalothin〕A semisynthetic analogue of cephalosporin having a broad spectrum of antibiotic activity that is administered parenterally and used especially to treat systemic infections caused by susceptible microorganisms.先锋霉素I,头孢霉菌素:头孢菌素的一种半人工合成替代物,有广谱抗生性能,注射使用,尤其用于治疗由过敏微有机物体引起的系统感染〔opiate〕Any of various sedative narcotics containing opium or one or more of its natural or synthetic derivatives.鸦片制剂:一种含有镇静性的麻醉剂,含有鸦片或一种或多种自然或人工合成的衍生物〔polymer〕Any of numerous natural and synthetic compounds of usually high molecular weight consisting of up to millions of repeated linked units, each a relatively light and simple molecule.聚合物:许多天然和人工合成的化合物中的任一种,通常具高分子的重量,包含最多可达上百万个的彼此重复且相连的单位,每一个单位都是一个相对较轻和较简单的分子〔radioisotope〕A naturally or artificially produced radioactive isotope of an element.放射性同位素:天然存在或人工合成的某种元素的有放射性的同位素〔ephedrine〕A white, odorless, powdered or crystalline alkaloid, C10H 15NO, isolated from shrubs of the genus Ephedra or made synthetically. It is used in the treatment of allergies and asthma. 麻黄素:一种白色,无味,粉状或结晶状碱,C10H 15NO,从 麻黄属 植物中提取或人工合成。用于治疗过敏和哮喘 〔yarn〕A continuous strand of twisted threads of natural or synthetic material, such as wool or nylon, used in weaving or knitting.纺线,纤维线:天然或人工合成材料制成的盘绕成股的连线,如羊毛或尼龙,用于纺织或编织〔einsteinium〕A synthetic transuranic element first produced by neutron irradiation of uranium in a thermonuclear explosion and now usually produced in the laboratory by irradiating plutonium and other elements. Its longest-lived isotope is Es 254 with a half-life of 276 days. Atomic number 99; melting point 860°C. See table at element 锿:一种人工合成超铀元素,在一次热核子反应的铀中子辐射中首次产生。 现在通常通过在实验室里辐照钚和其它元素而产生,其最不易衰变的同位素是Es254, 它的半衰期为276天,原子序数99;熔点860°C 参见 element〔deoxycorticosterone〕A steroid hormone, C21H 30O 3, secreted by the adrenal cortex or produced synthetically and used to treat adrenal insufficiency. 脱氧可体松:一种类固醇激素,其组成为C21H 30O 3,由肾上腺皮质分泌,也可人工合成,用于治疗肾上腺分泌不足 〔tetracycline〕A yellow crystalline compound, C22H 24N 2O 8, synthesized or derived from certain microorganisms of the genus Streptomyces and used as a broad-spectrum antibiotic. 四环素:黄色结晶化合物,C22H 24N 2O 8,人工合成或得自 链霉菌 属微生物,并用做广谱抗生素 〔pentaquine〕A synthetic drug, C18H 27N 3O, used with quinine in the prevention or treatment of malaria. 五喹啉:一种人工合成的药,C18H 27N 3O,与奎宁一起用于防治疟疾 〔Dacron〕A trademark used for a synthetic polyester fabric or the fiber from which it is made.涤纶,的确良:一商标名,用于人工合成的涤纶织物或由此制成的纤维织物〔THC〕A compound, C21H 30O 2, obtained from cannabis or made synthetically, that is the primary intoxicant in marijuana and hashish. 四氢大麻酚:一种化合物,C21H 30O 2,从大麻中获取或人工合成,是粉蓝烟草和印度大麻中主要麻醉剂 〔quinoline〕An aromatic organic base, C9H 7N, having a pungent tarlike odor, synthesized or obtained from coal tar, and used as a food preservative and in making antiseptics and dyes. 喹啉,氮(杂)萘:一种芳香的有机碱,C9H 7N,有一种刺鼻的类似焦油的气味,从煤油中提取或人工合成,用作食品防腐剂,并用在制造防腐剂和染料中 〔chloramphenicol〕An antibiotic, C11H 12Cl 2N 2O 5, derived from the soil bacterium Streptomyces venezuelae or produced synthetically and effective against a broad spectrum of microorganisms. 氯霉素:一种抗生素,C11H 12Cl 2N 2O 5,来自于 委内瑞拉链丝菌属 土壤细菌或人工合成,是一种广谱抗菌药 〔thyroxine〕An iodine-containing hormone, C15H 11I 4NO 4, produced by the thyroid gland, that increases the rate of cell metabolism and regulates growth and that is made synthetically for treatment of thyroid disorders. 甲状腺素:甲状腺生成的一种能加速细胞新陈代谢并调节生长的含碘激素C15H 11I 4NO 4,可人工合成用于治疗甲状腺功能紊乱 〔thymol〕A white, crystalline, aromatic compound, C10H 14O, derived from thyme oil and other oils or made synthetically and used as an antiseptic, a fungicide, and a preservative. 百里粉:一种芳香的白色结晶化合物C10H 14O,从百里油或其它油中提炼取得或人工合成,可用作消毒剂、杀真菌剂和防腐剂 〔disparlure〕A synthetic substance used to attract male gypsy moths to traps.雌舞毒蛾引诱剂:用来诱捕雄蛾的一种人工合成物质〔tyramine〕A colorless crystalline amine, C8H 11NO, found in mistletoe, putrefied animal tissue, certain cheeses, and ergot and also produced synthetically, used in medicine as a sympathomimetic agent. 酪胺:一种无色晶体氨,C8H 11NO,见于槲寄生、腐烂的动物组织、某些奶酪及麦角菌,也可以人工合成,在医学上用作类交感神经药剂 〔technetium〕A silvery-gray radioactive metal, the first synthetically produced element, having 14 isotopes with masses ranging from 92 to 105 and half-lives up to 2.6×106 years. It is used as a tracer and to eliminate corrosion in steel. Atomic number 43; melting point 2,200°C; specific gravity 11.50; valence 0, 2, 4, 5, 6, 7. See table at element 锝:一种银灰色放射性金属,是第一个人工合成的元素,有十四个原子量从92到105且半衰期高达2.6×106年的同位素。用作放射追踪剂并可消除钢铁腐蚀现象。原子序数43;熔点2,200°C;比重11.50;原子价0, 2, 4, 5, 6, 7 参见 element〔wig〕An artificial covering of human or synthetic hair worn on the head for personal adornment, as part of a costume, or to conceal baldness.假发:戴在头上的人发或人工合成的头发覆盖物,作为化妆的一部分或掩盖秃头〔cephalexin〕A semisynthetic analogue of cephalosporin used especially in the treatment of respiratory and urinary tract infections.头孢氨苄:一种半人工合成的头孢菌素代用物,尤用于治疗呼吸道和尿道感染〔epinephrine〕A white to brownish crystalline compound, C9H 13NO 3, isolated from the adrenal glands of certain mammals or synthesized and used in medicine as a heart stimulant, vasoconstrictor, and bronchial relaxant. 肾上腺素:白色到褐色之间的晶体化合物,C9H 13NO 3,由某些哺乳动物的肾上腺提取或人工合成,用作心脏兴奋剂、血管收缩剂和支气管肌松弛剂 〔plastic〕a TV host's plastic smile; a plastic world of fad, hype, and sensation.电视主持人不自然的笑容;只是一个短暂,夸张和感官的人工合成世界 |
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