catalyst
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n. [物化] 催化剂；刺激因素
n.
触媒，催化剂；〈比喻〉触发因素；促进因素；〈口〉有感染力的人
变形
复数：catalysts
英英释义
catalyst[ 'kætəlist ]
n.
(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
同义词：accelerator
something that causes an important event to happen
"the invasion acted as a catalyst to unite the country"
词组短语
phase transfer catalyst相转移催化剂
hydrogenation catalyst加氢催化剂
catalyst bed催化剂床
catalyst carrier n. 催化剂载体
ammonia synthesis catalyst氨合成催化剂
catalyst support催化剂载体
zeolite catalyst沸石催化剂
spent catalyst废催化剂；用过的催化剂
oxidation catalyst氧化催化剂
homogeneous catalyst均相催化剂
heterogeneous catalyst非均相催化剂；多相催化；不匀触媒
platinum catalyst铂催化剂
dehydrogenation catalyst脱氢催化剂
polymerization catalyst[化]聚合催化剂
catalyst poisoning催化剂中毒
双语例句
用作名词(n.)
War is a catalyst to help them to choose.
战争是一副催化剂来帮助他们选择。
Debate is the best catalyst of thought.
争论是思想最好的催化剂。
This tragedy will be a catalyst for good.
这场悲剧会是美好的催化剂。
The results were then used to make better car catalyst.
这一研究的成果可随后用于生产出效果更好的汽车催化剂。
The offer of a new job provided just the catalyst she needed.
这份新工作正是她所需要转变的契机。
权威例句
Facile catalyst separation without water: fluorous biphase hydroformylation of olefinsForeign direct investment as a catalyst for industrial development
A General and Efficient Copper Catalyst for the Amidation of Aryl Halides
In situ formation of an oxygen-evolving catalyst in neutral water containing phosphate and Co2
.+MoS2 nanoparticles grown on graphene: an advanced catalyst for the hydrogen evolution reaction
A general and efficient copper catalyst for the amidation of aryl halides and the N-arylation of nitrogen heterocycles.
CoâOâ nanocrystals on graphene as a synergistic catalyst for oxygen reduction reaction
ChemInform Abstract: A Highly Active Catalyst for Palladium‐Catalyzed Cross‐Coupling Reactions: Room‐Temperature Suzuki Couplings...
Anchoring Semiconductor and Metal Nanoparticles on a Two-Dimensional Catalyst Mat. Storing and Shuttling Electrons with Reduced Grap...
Fabrication of hollow palladium spheres and their successful application to the recyclable heterogeneous catalyst for suzuki couplin...
catalyst (n.)
"substance which speeds a chemical reaction but itself remains unchanged," 1902, formed in English (on analogy of analyst) from catalysis. Figurative use by 1943.
1. Activated charcoal is known to be an excellent catalyst for many reactions.
已知活性炭对很多反应是一种极好的催化剂。
-- 来源 -- 英汉 - 辞典例句
2. In this manner a set of tests has evolved to the satisfaction of vendor and catalyst user for each catalyst.
用这种方式对每种催化剂建立一套催化剂卖主和用户都满意的测试方法。
-- 来源 -- 英汉 - 辞典例句
3. The catalyst vendors came out with a catalyst incorporating a low surface area, high purity alumina carrier.
催化剂出售商供应了一种具有表面积小，纯度高的氧化铝载体催化剂。
-- 来源 -- 英汉 - 辞典例句
4. Commercially two main types of hydrogenations are carried out with Nickel catalyst.
商业上采用的以镍作催化剂的氢化有两种。
-- 来源 -- 英汉 - 辞典例句
5. The catalyst is subjected to a uniform ram pressure.
催化剂承受均匀活塞压力。
-- 来源 -- 英汉 - 辞典例句
6. The reaction takes place only in the presence of a catalyst.
只有在催化剂的作用下，反应才会发生。
-- 来源 -- 英汉 - 辞典例句
7. There is actually a failure of the integral particle of the catalyst.
实际上存在有整粒催化剂的破碎。
-- 来源 -- 英汉 - 辞典例句
8. Mechanical test results must be evaluated in conjunction with catalyst activity, selectivity, and stability data.
必须将机械测试结果和催化剂活性、选择性和稳定性数据联系起来进行综合评价。
-- 来源 -- 英汉 - 辞典例句
9. For the catalyst producer, catalyst manufacturing cost and material limitations are paramount.
对于催化剂制造厂来说，催化剂生产成本和原料规格限定是最重要的。
-- 来源 -- 英汉 - 辞典例句
10. For measuring abrasion of catalyst particles, three basic attrition test apparatus are used.
为了测定催化剂颗粒的磨损，可使用三种基本磨损测试装置。
-- 来源 -- 英汉 - 辞典例句
catalyst
