| 单词 | 化剂 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔Cosmoline〕A trademark used for a rust and corrosion preventive compound of petrolatum.卡斯莫兰：用于抗氧化剂和抗腐蚀剂的一系列矿脂的商标名美国传统〔accelerant〕A substance, such as a petroleum distillate, that is used as a catalyst, as in the spreading of an intentionally set fire.催化剂，促媒：一种可用作催化剂的东西，如石油蒸馏剂，可使纵火得以蔓延美国传统〔accelerator〕Chemistry A substance that increases the speed of a reaction.【化学】 加速剂，催化剂：加快反应速度的物质美国传统〔anticatalyst〕A substance that reduces or destroys the effectiveness of a catalyst.催化剂减缓物质：减轻或消除一种催化剂作用的物质美国传统〔anticatalyst〕A substance that retards or arrests a chemical reaction.反催化剂：延缓或阻碍化学反应的物质美国传统〔antioxidant〕A chemical compound or substance that inhibits oxidation.抗氧化剂，阻氧化剂：防止氧化的化合物或物质美国传统〔biocatalyst〕A substance, especially an enzyme, that initiates or modifies the rate of a chemical reaction in a living body; a biochemical catalyst.生物催化剂：能在活的体内产生化学反应或改变生物体内化学反应速度的物质，尤指酶；生物化学催化剂美国传统〔carboxymethylcellulose〕A derivative of cellulose whose sodium salt is used in the manufacture of processed foods as a stabilizing and emulsifying agent and in medicine as a laxative.羧甲基纤维素，纤维素胶：一种纤维素衍生物，其钠盐在加工食品的制作过程中用作稳定剂和乳化剂，也在医药中用作通便剂美国传统〔catalysis〕The action of a catalyst, especially an increase in the rate of a chemical reaction.催化作用：催化剂的作用，尤指加快化学反应速度的美国传统〔catalyst〕They hope his election will act as a catalyst for reform.他们希望他的当选会成为改革的催化剂。朗文当代〔catalytic cracker〕An oil refinery unit in which the cracking of petroleum takes place in the presence of a catalyst.催化裂化器：由于催化剂的存在而发生石油裂化的炼油装置美国传统〔catalyze〕To modify, especially to increase, the rate of (a chemical reaction) by catalysis.催化：通过催化剂来改变尤指加快（一个化学反应）的速度美国传统〔cyclase〕An enzyme that acts as a catalyst in the cyclization of a compound.环化酶：在化合物的环化作用中，作为催化剂的一种酶美国传统〔cytochrome〕Any of a class of iron-containing proteins important in cell respiration as catalysts of oxidation-reduction reactions.胞色细胞：任何一类含铁的蛋白质，在细胞呼吸中作氧化反应重要的催化剂美国传统〔emulsifier〕Jojoba can be used instead of beeswax as an emulsifier in creams.霍霍巴油可以代替蜂蜡用作面霜中的乳化剂。外研社新世纪〔emulsify〕Beeswax acts as an emulsifying agent.蜂蜡起到乳化剂的作用。柯林斯高阶〔enzyme〕Any of numerous proteins or conjugated proteins produced by living organisms and functioning as biochemical catalysts.酶：由活的有机体产生的各种蛋白质或蛋白质结合体的一种，起生物催化剂的作用美国传统〔erythorbic acid〕An optical isomer of ascorbic acid used as an antioxidant.异抗坏血酸：抗坏血酸光学异构体，被用来当作抗氧化剂美国传统〔erythorbic acid〕An optical isomer of ascorbic acid used as an antioxidant.异抗坏血酸：抗坏血酸的一种光学的同质异构体，通常用作一种抗氧化剂美国传统〔flavoprotein〕Any of a group of enzymes containing flavin bound to protein and acting as dehydrogenation catalysts in biological reactions.黄素蛋白：由黄素与蛋白质相结合的任一类脱氢酶，在生化反应中作为脱氢反应的催化剂美国传统〔fortify〕In some countries, iron fortification of foods is carried out to reduce iron deficiency.一些国家在食品中添加铁强化剂，以缓解人体缺铁。柯林斯高阶〔hardener〕One that hardens, especially a substance added to varnish or paint to give it a harder surface or finish.硬化剂：一种尤指加入清漆或涂料使之形成更硬的表面的硬化物质美国传统〔hardening〕Something that hardens, as a substance added to iron to yield steel.硬化剂：如加在铁上使其形成钢的硬化性物质美国传统〔hydroforming〕A process in which naphthas are converted to high-octane aromatics in the presence of hydrogen and a catalyst under pressure and heat.临氢重整：在高温高压下，在氢和催化剂的作用下石油精转化为高辛烷值的芳烃的过程美国传统〔hypergolic〕Of or relating to a rocket propellant consisting of fuel and an oxidizer that ignite spontaneously on contact.自燃式火箭燃料的：火箭燃料的，或与火箭燃料有关的此火箭燃料由一接触就点燃的燃料和氧化剂组成美国传统〔hypochlorous acid〕A weak, unstable acid, HOCl, occurring only in solution and used as a bleach, an oxidizer, a deodorant, and a disinfectant.次氯酸：一种微弱，不固定酸，化学式为HOCL，溶解才形成，用作漂白剂，氧化剂，除臭剂，消毒剂美国传统〔isinglass〕A transparent, almost pure gelatin prepared from the air bladder of the sturgeon and certain other fishes and used as an adhesive and a clarifying agent.鱼胶；牛皮胶：一种从鲟鱼或其它鱼类的鳔中提取的透明，几乎纯净的明胶，用作粘合剂或净化剂美国传统〔kicker〕A condition that imposes an automatic increase, as in a pension plan.催化剂、刺激物：引起自动增长的条件，如抚恤金计划中美国传统〔lox〕Liquid oxygen, especially when used as a rocket fuel oxidizer.液氧：液态的氧气，尤其用来作火箭燃料氧化剂美国传统〔margarine〕A fatty solid butter substitute consisting of a blend of hydrogenated vegetable oils mixed with emulsifiers, vitamins, coloring matter, and other ingredients.人造奶油：一种多脂肪固体黄油的替代物，由氢化植物油与乳化剂、维他命、色素和其它成份的混合物构成美国传统〔monopropellant〕A rocket propellant consisting of a single substance or mixture that contains both fuel and oxidizer.单元推进剂：一种含有单一物质或燃料和氧化剂混合物的火箭推进剂美国传统〔napalm〕An aluminum soap of various fatty acids that when mixed with gasoline makes a firm jelly used in some bombs and in flamethrowers.汽油胶化剂，纳旁：一种脂肪酸的铝脂肪酸盐，当与汽油混合时做成增稠剂，用于一些燃烧弹和喷火器中美国传统〔permanganate〕Any of the salts of permanganic acid, all of which are strong oxidizing agents.高锰酸盐：任一种高锰酸类盐，它们都是强有力的氧化剂美国传统〔peroxisome〕A cell organelle containing enzymes, such as catalase and oxidase, that catalyze the production and breakdown of hydrogen peroxide.过氧物酶体：一种包含酶的细胞器官，如催化剂和氧化剂，能够催化过氧化氢的生成和分解美国传统〔platinum black〕A fine black powder of metallic platinum, used as a catalyst and as a gas absorbent.铂黑：一种很细的金属铂黑色粉末，用作催化剂和气体吸附剂美国传统〔polysorbate〕Any of a class of emulsifiers used in food preparation and in some pharmaceuticals.聚山梨醇酯：在制作食品和在有些药剂中使用的一组乳化剂中的任一种美国传统〔reaction〕Catalysts are materials which greatly speed up chemical reactions.催化剂是可以大大加速化学反应的物质。柯林斯高阶〔reaction〕Catalysts are materials which greatly speed up chemical reactions.催化剂是可以大幅加速化学反应的物质。外研社新世纪〔regenerable〕The last step is to regenerate the catalyst.最后一步是将催化剂还原。21世纪英汉〔ricin〕A poisonous protein extracted from the castor bean and used as a biochemical reagent.蓖麻毒：从蓖麻子中提取的有毒蛋白质，用作生化剂美国传统〔saponin〕Any of various plant glucosides that form soapy lathers when mixed and agitated with water, used in detergents, foaming agents, and emulsifiers.皂角苷：任一种与水混合时能够产生肥皂沫的植物葡糖苷，被用作除垢剂、发泡剂和乳化剂美国传统〔scavenger〕Chemistry A substance added to a mixture to remove or inactivate impurities.【化学】 净化剂：加入混合物中以除去杂质或使杂质停止作用的物质美国传统〔solid propellant〕A rocket propellant in solid form, combining both fuel and oxidizer in the form of a compact, cohesive grain.固体推进剂：一种固体形式的火箭推进剂，是既含燃料又含氧化剂的密集聚合的晶体美国传统〔tenderize〕To make (meat) tender, as by marinating, pounding, or applying a tenderizer.使嫩化：通过腌泡、捣舂或添加软化剂使（肉）软化，美国传统Anti-oxidants are used as preservatives to make food last a long time.抗氧化剂被用作保鲜剂来长时间保存食品。剑桥国际 |
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