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catalyzator; contact | |||
cat.= catalyst | |||
promoter | |||
catalytic | |||
accelerant; accelerator; catalyzer | |||
catalyst A substance whose presence alters the rate at which a chemical reaction proceeds, but whose own composition remains unchanged by the reaction. Catalysts are usually employed to accelerate reactions(positive catalyst), but retarding (negative) catalysts are also used (一种物质,它的存在影响了化学反应进行的速度,但是其本身的组成保持不变。催化剂通常用来加速反应(正催化剂),但是缓速催化剂(负催化剂)也被使用。) | |||
activator | |||
accelerating agent | |||
catalyser; catalytic agent; contact agent | |||
catalyst | |||
mediator | |||
accelerating admixture; catalyst agent; energizer | |||
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catalyser; catalyzer | |||
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catalyst powder | |||
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Catalyst X-4 (含硝酸锌活性成分25%) | |||
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catalyst | |||
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catalyst | |||
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activator | |||
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Catalyst KR (含活性氯化镁 64%) | |||
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PdCl₂-CuCl₂ catalyst |
催化 剂: 1031 фраза в 33 тематиках |