heterogeneous catalyst
存在于不同相中
常用释义
英式发音
美式发音
基本释义
- 多相催化剂：一种与反应物或产物相不同的催化剂，存在于不同相中，用于促进化学反应的进行。
例句
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1·A new heterogeneous catalyst, i. e. lead-zinc double oxide has been developed.开发出一种新型高效氧化铅一氧化锌催化剂。
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2·The heterogeneous catalyst first attracts the salt to its surface and holds it there.多相催化剂先将盐吸附在它的表面并使它固定在那里。
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3·Using magnesium methoxide as a heterogeneous catalyst to produce biodiesel was put forward, and the corresponding process for catalyst disposal was researched.开发了以甲醇镁为非均相催化剂制备生物柴油的工艺流程，研究了相应的催化剂后处理工艺。
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4·According to the different patterns and catalytic processes, the heterogeneous catalysts are classified into two types, namely liquid-liquid biphasic catalyst and immobilized catalyst.根据在反应体系中的不同存在形态和催化过程，把非均相化含钨催化剂分为液-液两相催化剂和固载化催化剂两大类。
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5·The new preparation process of tetrabromobisphenol - a with bisphenol - a, bromine and hydrogen peroxide as raw materials by a heterogeneous catalyst reaction has been introduced in this paper.以双酚a、溴水和过氧化氢为原料，采用非均相催化反应技术合成四溴双酚a的新工艺。
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6·TPR results showed that catalyst with heterogeneous distribution has two peaks while that with homogeneous distribution has only one peak.TPR结果表明，非均匀分布催化剂有两个还原峰，而均匀分布催化剂只有一个还原峰。
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7·A heterogeneous catalytic system for methylolation of alkali lignin was constituted of tetrahydrofuran containing purified alkali lignin and solid alkali catalyst with special structure .将合成出的具有特定结构的复合型固体碱催化剂，与溶有纯化碱木素的四氢呋喃建立起多相催化体系，对碱木素进行了多相催化羟甲基化作用。
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8·The experiment of catalyst removal showed the oxidation was a heterogeneous reaction.催化剂转移实验显示，氧化反应在多相体系中进行。
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9·A heterogeneous bifunctional catalyst was synthesized by incorporating chiral amine and acid groups into silica.通过将手性胺和酸基团同时引入到二氧化硅表面制备得到了一种多相双功能催化剂。
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10·In this paper, polymerization of maleimides in a heterogeneous system was studied using nanocrystalline titanium dioxide as catalyst.用二氧化钛纳米晶作为催化剂对马来酰亚胺进行非均相聚合反应。