| 单词 | 分子式 |
| 释义 | 〔ADP〕An ester of adenosine, C10H 15N 5O 10P 2, that is converted to ATP for the storage of energy. 二磷酸腺苷酸：一种腺苷酯，化学分子式为C10H 15N 5O 10P 2，为储存能量转化为三磷酸腺苷 〔ethion〕A highly toxic, liquid organophosphate pesticide, C9H 22O 4P 2S 3. 乙硫磷：一种剧毒的液态有机磷酸酯杀虫剂，分子式为C9H 22O 4P 2S 3 〔formula〕A symbolic representation of the composition or of the composition and structure of a compound.分子式：表示化学物质成分或组成方式的符号表达式〔silane〕Any of a group of silicon hydrides having the general formula SiH that are analogous to the paraffin hydrocarbons.硅烷：总分子式为SiH的硅氢化合物的一种，与链烷碳氢化合物相似〔pyran〕Either of two isomeric compounds with the formula C5H 6O, having a ring of five carbon atoms and one oxygen atom. 吡喃：化学分子式是C5H 6O的两种同分异构化合物中的任一种，且有五个碳原子和一个氧原子构成的环状物 〔hyoscyamine〕A poisonous white crystalline alkaloid, C17H 23NO 3, isometric with atropine and having similar uses but more potent effects. 茛菪素：一种有毒的白色结晶体的生物碱，化学分子式为C17H 23NO 3，与阿托品有等轴晶，有相似的用途，但效力更大 〔travertine〕A light-colored porous calcite, CaCO3, deposited from solution in ground or surface waters and forming, among other deposits, stalactites and stalagmites. 石灰华：一种淡色的多孔方解石，分子式为CaCo3，溶解储存于地下或地表水中。它还形成钟乳石和石笋，这也是它的另外一种存在方式 〔strontianite〕A gray to yellowish-green ore of strontium, SrCO3. 菱锶矿：灰色至黄绿色的锶矿，分子式为SrCO3 〔nitrosamine〕Any of a class of organic compounds with the general formula R2NNO or RNHNO, present in various foods and other products and found to be carcinogenic in laboratory animals. 亚硝胺：一组具有分子式R2NNO或RNHNO的有机化合物，存在于各种食物和其它产品中，在试验动物身上发现有致癌作用 〔alkyl〕A monovalent radical, such as ethyl or propyl, having the general formula CnH 2n + 1. 烷基，烃基：一种单价基，如乙烷基和丙基，分子式为CnH 2n + 1 〔stilbene〕A colorless or yellowish crystalline compound, C14H 12, used in the manufacture of dyes and optical bleaches and as a phosphor. 均二苯乙烯：一种无色或黄色透明混合物，分子式为C14H 12，用于制染料或光学漂白剂，或作磷光体 〔adenine〕A purine base, C5H 5N 5, that is a constituent of DNA and RNA. 腺嘌呤：一种嘌呤碱，化学分子式为C5H 5N 5，由去氧核糖核酸与核糖核酸组成 〔asparagine〕A crystalline amino acid, C4H 8N 2O 3, found in many plants, that is easily hydrolyzed to aspartic acid. 天门冬醯胺酸：一种晶体氨基酸，分子式为C4H 8N 2O 3，许多植物里都有，易于水解为天门冬胺酸 〔formula〕The compound so represented.分子：分子式所表示的化合物〔morphine〕A bitter, crystalline alkaloid, C17H 19NO 3·H 2O, extracted from opium, the soluble salts of which are used in medicine as an analgesic, a light anesthetic, or a sedative. Also called morphia 吗啡：一种苦而透明的碱性物，分子式为C17H 19NO 3·H 2O，从鸦片中提取，其可溶性盐在医学中用作麻醉剂，即一种轻麻醉剂或镇静剂 也作 morphia〔monazite〕A reddish-brown phosphate mineral containing rare-earth metals, (Ce, La, Y, Th)PO4, important as a source of cerium and thorium. 独居石：一种含有稀土（铈、镧、钇、钍）的浅红褐色磷矿，分子式为PO4，它是铈和钍的重要来源 〔streptozotocin〕An antibiotic, C8H 15N 3O 7, produced by an actinomycete (Streptomyces achromogenes) and active against tumors but damaging to insulin-producing cells and now also regarded as a carcinogen. 链脲霉素：一种抗生素，分子式为C8H 15N 3O 7，由 （不产色链霉菌） 的放线菌产生，对肿瘤有抗性，但对产生胰岛素的细胞有伤害，现在也被认为是致癌物 〔ethambutol〕An antibacterial drug, C10H 24N 2O 2, used in combination with other drugs in the treatment of pulmonary tuberculosis. 乙胺丁醇：一种抗菌类药，其分子式为C10H 24N 2O 2，与其它药配合使用用于治疗肺结核 〔olefin〕Any of a class of unsaturated open-chain hydrocarbons such as ethylene, having the general formula CnH 2 n; an alkene with only one carbon-carbon double bond. 烯烃：任何一类不饱和的开链碳氢化合物，如乙烯，总分子式为CnH 2 n；仅有一个碳—碳双链的链烯 〔tremolite〕A white to dark gray amphibole mineral, Ca2Mg 5Si 8O 22(OH) 2, typically occurring in aggregates and used as a substitute for asbestos and in paints and ceramics. 透闪石：一种浅灰色到深灰色的闪石矿石，分子式为Ca2Mg 5Si 8O 22(OH) 2，通常以集合体的形式存在，用作石棉的替代品和油漆和制做陶器 〔santonin〕A colorless crystalline compound, C15H 18O 3, obtained from species of wormwood, especially santonica, and used as an anthelmintic. 山道年：一种无色的复合晶体，分子式为C15H 18O 3，从蒿属植物，尤其是山道年植物中提取而来，用作驱虫剂 〔monensin〕A broad-spectrum antibiotic, C36H 62O 11, obtained from the actinomycete Streptomyces cinnamonensis and used chiefly as an additive to beef cattle feed. 莫能菌素：一种广谱抗菌药，分子式为C36H 62O 11，从放线菌 链霉菌 中提取，主要用肉牛饲养添加剂 〔alkyne〕Any of a series of open-chain hydrocarbons with a carbon-carbon triple bond and the general formula CnH 2n - 2. 炔，炔烃，链炔：有碳碳三链的一系列开链烃中的任一种，其分子式为CnH 2n - 2. 〔hexosan〕Any of several polysaccharides that have the general formula (C6H 10O 5) n and form a hexose on hydrolysis. 己聚糖：分子式(C6H 10O 5) n，并在水解作用下形成己糖的几种多糖之一 〔warfarin〕A white crystalline compound, C19H 16O 4, used to kill rodents and medicinally as a blood anticoagulant. 丙酮苄羟香豆素：白色复合晶体，分子式为C19H 16O 4，用于灭杀啮齿类动物，并在医学上用作抗凝血剂 〔guanosine〕A nucleoside, C10H 13N 5O 5, consisting of guanine and ribose. 鸟苷：一种核糖核酸，分子式为C10H 13N 5O 5，包含鸟嘌呤和核糖 〔alcohol〕Any of a series of hydroxyl compounds, the simplest of which are derived from saturated hydrocarbons, have the general formula CnH 2n+1OH, and include ethanol and methanol. 醇：一系列羟基化合物的任一种，其中最简单的一种可从饱合的碳氢化合物中提取，具有化学分子式CnH 2n+1OH，并且包括乙醇和甲醇 〔coniine〕A poisonous, colorless liquid alkaloid, C5H 10NC 3H 7, found in the poison hemlock. 毒芹碱：一种有毒无色液态碱，分子式为C5H 10NC 3H 7，发现于毒芹中 〔mercaptan〕A sulfur-containing organic compound with the general formula RSH where R is any radical, especially ethyl mercaptan, C2H 5SH. Also called thiol 硫醇：一种含硫磺的有机化合物，其分子式为RSH，其中R可以是任何种类的基，尤其指乙基硫醇，其化学式为C2H 5SH 也作 thiol〔octane〕Any of various isomeric paraffin hydrocarbons with the formula C8H 18, found in petroleum and used as a fuel and solvent. 辛烷：一种分子式为C8H 18的同分异构石蜡烃，在石油中发现，用作燃料和溶剂 〔formaldehyde〕A colorless, gaseous compound, HCHO, the simplest aldehyde, used for manufacturing melamine and phenolic resins, fertilizers, dyes, and embalming fluids and in aqueous solution as a preservative and disinfectant.甲醛：一种无色的气体化合物，分子式为HCHO，是最简单的醛，用于制三聚氰胺和苯酚树脂、化肥、染料、防腐液剂和甲醛澄清水溶液中的防腐剂和杀虫剂等〔adenosine〕A nucleoside, C10H 13N 5O 4, that is a structural component of nucleic acids and the major molecular component of ADP, AMP, and ATP. 腺嘌呤核苷，腺苷：一种核苷，化学分子式C10H 13N 5O 4，为核酸的结构成分，主要的分子成分为ADP，AMP及ATP 〔alkene〕Any of a series of unsaturated, open chain hydrocarbons with one or more carbon-carbon double bonds, having the general formula CnH 2n. 烯，烯烃，链烯：一系列不饱和的，有两个或两个以上碳碳双链的开链烃，其一般分子式为CnH 2n 〔strychnine〕An extremely poisonous white crystalline alkaloid, C21H 22O 2N 2, derived from nux vomica and related plants, used as a poison for rodents and other pests and topically in medicine as a stimulant for the central nervous system. 马钱子碱：一种极毒的白色晶体碱，分子式为C21H 22O 2N 2，来自于马钱子和相关植物用于毒杀啮齿类动物和其它害虫，主要在医学上作为中枢神经系统的兴奋剂使用 〔stigmasterol〕A sterol, C29H 48O, obtained from soybeans or Calabar beans. 豆甾醇：一种甾醇，分子式为C29H 48O，从大豆或卡拉巴豆中提取 〔molybdenite〕A mineral form of molybdenum sulfide, MoS2, that is the principal ore of molybdenum. 辉钼矿：硫化钼的一种矿物形式，分子式为MoS2，它是钼的主要矿石 〔dioxide〕A compound with two oxygen atoms per molecule.二氧化物：分子式中含有两个氧原子的化合物〔naphthene〕Any of several cycloalkane hydrocarbons having the general formula CnH 2n and found in various petroleums. 环烷烃：分子式为CnH 2n的一系列饱和环烷烃，存在于各种石油中 〔lactose〕A disaccharide, C12H 22O 11, found in milk, that may be hydrolyzed to yield glucose and galactose. 乳糖：一种双糖，分子式为，它存在于牛奶中C12H 22O 11，在水中水解时产生葡萄糖或蔗糖 〔deoxyribose〕A sugar, C5H 10O 4, that is a constituent of DNA. 脱氧核糖：一种糖，分子式为C5H 10O 4，是DNA的组成成分 |
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