| 单词 | 添加剂 |
| 释义 | 〔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 〔opacifier〕A chemical agent added to a material, such as rocket propellant, to make it opaque.遮光剂：在物质中添加一种化学添加剂，如加在火箭助推器中，使之不反光〔dextran〕Any of a group of long-chain polymers of glucose with various molecular weights that are used in confections, in lacquers, as food additives, and as plasma volume expanders.葡聚糖：一组葡萄糖长链多聚物，分子量不同，用于糖果剂，或做食品添加剂，也可用作血浆体积膨胀剂〔food〕food allergies; food additives.食物过敏症；食物添加剂〔conditioner〕One that conditions, especially an additive or application that improves the quality or usability of a substance:调节物，尤指能改进物质的性质或使用性的添加剂或装置：〔methylcellulose〕A powdery substance prepared synthetically by the methylation of natural cellulose and used as a food additive, a bulk-forming laxative, an emulsifier, and a thickener. It swells in water to form a gel.甲基纤维素：使天然纤维素甲基化而合成的一种粉状物质，用作食物添加剂，膨胀剂，乳化剂和增稠剂，在水中膨胀成凝胶体〔vulcanize〕To improve the strength, resiliency, and freedom from stickiness and odor of (rubber, for example) by combining with sulfur or other additives in the presence of heat and pressure.（使）硫化，（使）硬化：用与硫磺或其它添加剂在热和压力下化合的方法来增加强度、韧性并减少粘性或气味（如橡胶）〔GRAS〕Generally recognized as safe. Used by the U.S. Food and Drug Administration as a label designating food ingredients or additives not known to be harmful to human beings when used as intended.一般安全：一般被认为安全。美国食物及药物管理局使用的标记，表示食物成份或添加剂，在被有意使用时，表明未曾对人有危害〔additive〕A substance added in small amounts to something else to improve, strengthen, or otherwise alter it.添加剂，添加物：少量加入其他物质以使其提高、增强或改变的物质〔triptane〕A colorless liquid antiknock additive, C7H 16, used in aviation fuels. 三甲基丁烷：一种无色、液态的抗暴添加剂，C7H 16，用于发动机燃料中 〔arsine〕A colorless, flammable, very poisonous gas, H3As, having an odor like garlic and used in chemical warfare, as a solid-state doping agent, and in organic synthesis. 砷化三氢：一种无色可燃，毒性大的气体，H3As,有种类似大蒜的气味，用在化学武器中，用作固体添加剂，和用于有机合成 〔arsenic〕Symbol As A highly poisonous metallic element having three allotropic forms, yellow, black, and gray, of which the brittle, crystalline gray is the most common. Arsenic and its compounds are used in insecticides, weed killers, solid-state doping agents, and various alloys. Atomic number 33; atomic weight 74.922; valence 3, 5. Gray arsenic melts at 817°C (at 28 atm pressure), sublimes at 613°C, and has a specific gravity of 5.73. See table at element 符号 As 砷：一种有剧毒的金属元素，有黄、黑、灰三种同素异形体，其中质脆，结晶体的灰色形体最为常见。砷及其化合物用于杀虫剂，除草剂，固体添加剂和各种合金。原子序数33；原子量74.922；化合价3，5。灰色砷熔点为817°C（在28气压时），613°C升华，比重5.73 参见 element〔chemoprevention〕The use of chemical agents, drugs, or food supplements to prevent disease. Also called chemoprophylaxis 化学预防：使用化学制剂、药品或食物添加剂来预防疾病的方法 也作 chemoprophylaxis〔virginiamycin〕Any of several antibacterial substances derived from an actinomycete related toStreptomyces virginiae, used chiefly as an additive in animal feed. 维及霉素：几种抗菌物质之一，来自于一种与弗吉尼亚链霉菌 有关的放线菌，主要用作动物饲养的添加剂 〔europium〕A silvery-white, soft, rare-earth element occurring in monazite and bastnaesite and used to dope lasers and to absorb neutrons in research. Atomic number 63; atomic weight 151.96; melting point 826°C; boiling point 1,439°C; specific gravity 5.259; valence 2, 3. See table at element 铕：存在于独居石和氟碳矿中一种银白色、柔软的稀有金属，在研究中常用于激光器添加剂以吸收中子。原子序数63；原子量151.96；熔点826°C；沸点1,439°C；比重5.259；化合价2,3 参见 element〔flux〕An additive that improves the flow of plastics during fabrication.助熔剂：在制塑过程中提高塑料流动性的添加剂 |
| 随便看 |
|
学习网英语词汇栏目收词371507余条，连同派生词、复合词、词组和习语等。每个词条提供了音标、词性、释义、用法、搭配和同（近）义词等多项功能，对所收词汇进行全方位的解释和说明，内容丰富，功能全面。