catalyst 词态变化
复数: catalysts;
catalyst 中文词源
catalyst 催化剂来自catalyse，催化。
catalyst 英文词源
- 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.
catalyst 英文释义
- 1. (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
- 2. something that causes an important event to happen;
- "the invasion acted as a catalyst to unite the country"
catalyst 双语例句
- 1. I see my role as being a catalyst for change.
- 我认为我的角色是促成变革。
来自《权威词典》
- 2. The workers'demand for better conditions was a catalyst for social change.
- 工人们要求改善工作条件促进了社会变革.
来自《简明英汉词典》
- 3. A catalyst is a substance which speeds up a chemical reaction.
- 催化剂是一种能加速化学反应的物质.
来自《简明英汉词典》
- 4. It acts as a catalyst in the process of fermentation.
- 它在发酵过程中起触媒的作用.
来自《简明英汉词典》
- 5. An example of the table on a Catalyst switch is shown in Example 4 - 3 .
- 范例 4-3 示范了一个Catalyst交换机上显示的网桥MAC地址表.
来自互联网
catalyst 实用场景例句
- I see my role as being a catalyst for change.
- 我认为我的角色是促成变革。
牛津词典
- I very much hope that this case will prove to be a catalyst for change...
- 我非常希望这起事件能催生变革。
柯林斯高阶英语词典
- He said he saw the bank's role as a catalyst to encourage foreign direct investment.
- 他说，他认为银行就应该起到刺激外国直接投资的作用。
柯林斯高阶英语词典
- Among the catalysts developed , the heteropoly compound catalyst holds some promise in use of practical applications.
- 研究中所涉及的催化剂中杂多化合物具有良好的工业应用前景.
期刊摘选
- Catalyst particles were found together with the BCN nanotubes.
- 在所有生成的BCN纳米管中含有催化剂颗粒.
期刊摘选
- The paper presents the application of reforming catalyst in hydrogen plant.
- 论述转化催化剂在制氢装置中应用情况.
期刊摘选
- From rejected ion exchange membrane the perfluorinated acid resin is abstracted as solid super acidic catalyst.
- 从废弃的离子交换膜中提取出的全氟磺酸树脂可用作固体超强酸催化剂.
期刊摘选
- Investigation was made on activity variance and deactivation of reforming catalyst.
- 介绍了所用催化剂以及工艺流程的概况.
期刊摘选
- It is pointed out that catalyst is the key to the reaction.
- 指出催化剂是合成此反应的关键.
期刊摘选
- The workers'demand for better conditions was a catalyst for social change.
- 工人们要求改善工作条件促进了社会变革.
《简明英汉词典》
- Acid treatment of catalyst enhanced isobutene conversion of MTBE reaction.
- 酸处理也可增大β子筛催化合成mtbe反应的异丁烯转化率.
期刊摘选
- In this paper, the application of Z 501 reforming catalyst in hydrogen production units is presented.
- 介绍Z501型预转化催化剂在制氢装置的工业应用.
期刊摘选
- Pure molybdenum trioxide is also widely used in catalytic cracking catalyst, pigment, ceramics and glass.
- 纯三氧化钼还广泛用于催化,裂化催化剂.加氢催化剂, 颜料.陶瓷和玻璃的生产.
期刊摘选
- Presents the basic principle, technical features and catalyst of no on line furnace sulfur recovery process.
- 介绍了无在线炉硫回收工艺的基本原理 、 技术特点和催化剂使用情况.
期刊摘选
- Resin cures with the help of a catalyst.
- 松脂可以在催化剂的帮助下凝固变硬.
期刊摘选
- Ea ch batch of the catalyst had its own optimum temperature range.
- 每批催化剂都有其最佳的温度段.
期刊摘选
- Moreover, he adds, because titanium dioxide is a catalyst, it could last forever.
- 此外, 他补充说, 二氧化钛是催化剂,不是消耗品,可以一直发挥作用.
期刊摘选
- Polycondensation catalyst may has bad effect on polyester afterprocessing properties.
- 缩聚催化剂会对聚酯后加工性能产生不良影响.
期刊摘选
- The regeneration ability of zeolite catalyst is examined with thermogravimetry and analysis of active stability reaction.
- 通过热重分析和活性稳定性评定考察催化剂的再生性能.
期刊摘选
- By test compare, the technological design of comprehensive recovery from catalyst were advanced.
- 通过实验比较, 提出从废催化剂中综合回收有价金属的工艺路径.
期刊摘选
- The progress on the research of immobilization of homogeneous catalyst is introduced.
- 介绍了均相催化剂的固载化研究进展.
期刊摘选
- Porous material has long been used as insulator, structural material , catalyst carrier, absorbent etc.
- 多孔性材料广泛用于阻隔材料 、 结构材料 、 催化剂材料 、 分离与吸附等领域.
期刊摘选
- A catalyst is a substance which speeds up a chemical reaction.
- 催化剂是一种能加速化学反应的物质.
《简明英汉词典》
- It acts as a catalyst in the process of fermentation.
- 它在发酵过程中起触媒的作用.
《简明英汉词典》
- I see my role as being a catalyst for change.
- 我认为我的角色是促成变革。
《牛津高阶英汉双解词典》
- He said he saw the bank's role as a catalyst to encourage foreign direct investment.
- 他说，他认为银行就应该起到刺激外国直接投资的作用。
柯林斯例句
