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  • catalyst怎么读



    catalyst是什么意思

    英:['kæt(ə)lɪst] catalyst怎么读 美:['kætəlɪst] catalyst怎么读

    catalyst 是什么意思


    n. [物化] 催化剂;刺激因素

    catalyst 中文词源


    catalyst 催化剂

    来自catalyse,催化。

    英语词源


    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 权威例句


    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 造句


    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

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