The catalytic activity of several common reagents in polyurethane pre-polymerization is analyzed.

Binding of dioxygen and catalytic activity are the promising properties.

其主要性能为结合分子氧和催化活性.

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Laccase is an enzyme with notable catalytic activity and broad source.

漆酶来源广泛、催化性能优异,在食品工业中具有应用价值.

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Results showed this catalyst has high catalytic activity and stability.

实验表明,这种固载催化剂催化活性高,重复使用性能好.

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As a new technique for disposal of contaminants, photo catalytic oxidation is being attached more importance.

光催化氧化技术作为一种新型的污染治理手段日益受到重视.

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The mechanism of pollutant degradation in wastewater by heterogeneous catalytic oxidation is primarily explored.

初步探讨了非均相催化氧化降解废水中的污染物机理.

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The articleputs forth some advice on the research and development of catalytic oxidation catalysts.

同时,对催化氧化技术的进一步研究提出了建议.

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In this thesis, catalytic oxidation effect of 2-ethylanthrahydroquinone by organic amines was studied.

本文研究了胺类催化剂对 2- 乙基氢蒽醌的催化氧化影响.

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The catalyst of selectivity catalytic oxidation con-sists of modified Al _ 2 O _ 3 and active metal oxides.

选择性催化氧化的催化剂都是以改性的Al_2O_3填加适量的活性金属氧化物.

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We used cation exchange resin to separate the freevincristine sulfate from the liposomes.

用阳离子树脂分离脂质体与游离药物,测定包封率.

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The effect of cation-exchange resins on water dissociation is studied by measuring the current-voltage curves cell.

通过测量电流 - 电压特性曲线,研究了离子交换树脂对水解离的作用.

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The clay cation exchange capacity is affected by 2:1 type Clay mineral content.

粘粒阳离子交换量的高低与2:1型粘土矿物含量的多少相吻合.

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The sodium is removed with cation exchange resin.

钠用阳离子交换树脂来分离.

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Cation exchange capacity generally increases with an increase in broken bonds.

通常阳离子交换量随破裂增加而增大.

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Grasping the measuring method of working exchange capability of acid-cation resin.

掌握强酸性阳树脂工作交换容量的测定方法.

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Grasping the measuring method of total exchange capability of acid cation resin.

掌握强酸性阳树脂总交换容量的测定方法.

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The experiment shows that the design propeller has a lower cavitation noise than the original propeller.

试验表明,用该方法设计的螺旋桨辐射噪声比母型桨有明显的降低.

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Cavitation erosion and wear are the major problems of hydraulic turbines and other hydro-equipments .

汽蚀和磨损是水轮机和其他过 流部件 普遍存在的主要问题.

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A experimental device for cavitation erosion is established by use of the mechanism of ultrasonic vibration.

采用超声振动原理建立了一台汽车发动机滑动轴承模拟气蚀试验装置.

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The influence of cavitation parameters on the critical cavitation number and critical ventilation coefficient was analyzed.

分析了超空泡的生成过程和空化器参数对形成超空泡的临界空化数和通气系数门限值的影响.

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Thereby , measuring bubble size must be emphasized in study of reducing cavitation damage.

因此在掺气减蚀研究中,必须加强对气泡尺寸的检测.

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