查询词典 catalysis

The decolorization rate of telon fast green 5G dye was closely related with reaction time,solid-liquid ratio, influent concentration and microwave power when it was treated by microwave assisted catalysis.

酸性蒽醌绿染料在微波辐射催化剂作用下，其脱色率与反应时间、固液比、进样浓度、微波功率密切相关。

In this study, a new idea that RDF is made with catalysis of alkali,alkali earth or transition metal salts. The addition of the catalysts is to low ignition and burn off temperature temperature.

本课题提出在制备RDF过程中引入催化助燃剂的新思路，这些催化助燃剂包括了许多碱或碱土金属的化合物，同时也考虑一些过渡金属的催化作用。

After separation,the sample is further alkalized by microwave catalysis and at last,the activated white carbon is obtained.

针对以往从高岭土提取白炭黑传统方法中存在的某些缺点，对滇南某高岭土采取中温活化、除杂，在酸性介质中微波液相催化反应，分离后，再进一步在微波催化下液相碱溶，最终提取了活性白炭黑产品。

The present dissertation deals with:(1) Exploring the feasibility of the CO〓 methanation and the conversion CH〓/H〓 into C〓 hydrocarbons under plasma with catalyst at ambient temperature and atmosphere.(2) Designing a reactor and preparing some catalysts suited for the conversion of carbon dioxide via the cooperation effect of plasma and catalysts.(3) Optimizing reaction conditions of conversion carbon dioxide to C〓 hydrocarbons in the proposed process.(4) Studying the reaction mechanism of conversion carbon dioxide to C〓 hydrocarbons under plasma by using in situ OES technology.(5) By the results of characterizing coked catalysts, exploring the reasons that result in the coking of catalyst and the paths for decreasing the deposit in the catalyst under plasma.(6) Analyzing the energy efficiency of the plasma catalysis and exploring the paths for improving the energy efficiency.

论文的主要研究工作包括：（1）探索脉冲电晕等离子体与催化剂共同作用CO〓／H〓甲烷化和由CH〓/H〓合成C〓烃反应的可行性；（2）研制等离子体催化CO〓转化的反应器和适配的催化剂；（3）优化等离子体催化CO〓转化制C〓烃反应的工艺条件和电参数；（4）利用原子发射光谱原位技术对等离子体反应的诊断结果，对等离子体催化CO〓转化制C〓烃反应的机理进行推断；（5）通过对积碳催化剂的表征结果，分析积碳的类型及其成因，并探讨减少积碳的途径；（6）通过对等离子体催化CO〓转化制C〓烃反应能量效率的分析，探讨提高等离子体催化反应能量效率的途径。

The analysis with X-ray diffraction, scanning electron microscopy, and energy dispersive spectrometer indicates that the fine TiFe(subscript 1-x)Cr particles distribute on the surface of magnesium base, acting as some catalysis sites, which improves the hydrogenating and dehydrogenating properties.

通过XRD、SEM、EDS分析研究表明，TiFe(下标 1-x)Cr(x=0， 0.3)合金粉以细小颗粒的形式分散镶嵌在镁粉基体上成为催化活性点，改善了体系的吸放氢性能。

The activity of catalysis of IER was affected by the chemical reactive process, it's inner and outer diffusion processes, serving time and esterified degree.

离子交换树脂的催化活性既受化学反应过程的控制，又受内扩散和外扩散的影响，其催化活性也受反应温度、使用时间的、酯化度等因素的影响。

Flame retardant ; bis-sulfone ; bis-sulfone ; etherizing ; phase transfer catalysis ; allyl chloride

阻燃剂；四溴双酚S双烯丙基醚；四溴双酚S ；醚化；相转移催化；烯丙基氯

Microporous molecular sieves, such as zeolites, are one of the most important porous materials, which have wide usage in ion-exchange, catalysis, gas adsorption and separation, and microreactors etc, benefited from their highly ordered pore structures and good physical or chemical performance.

微孔分子筛材料是无机多孔材料家族中的重要一员，由于它们具有规整的孔道结构和独特的性能而被广泛用于离子交换、催化、吸附、分离和化学微反应器等主客体化学领域。

Aromatic hydrocarbons could be selectively nitrated with nitrogen dioxide in the presence of MIPs. MIPs were characterized by means of modern analyses. And such successes stem from combination of factors involved in this type of heterogeneous catalysis.

采用现代分析方法对MIPs进行表征，并将MIPs在催化芳烃硝化反应中表现的催化活性和区域选择性与其结构相联系。

The result of above three aspects indicates:(1) under these optimize conditions,the yield of nitrating reaction is 95.52%, the yield of phase transfer catalysis fluorination is 90.03%, the yield of chlorination is 87.5%,and the reaction total yield is 75.47%, which are higher than the yields reported, the purity of product is 98.5%.

上述研究结果表明：(1)在实验所得的工艺条件下，硝化收率为95.52%，相转移催化收率为90.3%，氯化收率为87.5%，反应总收率达到75.47%，产品纯度为98.5%，均高于文献所报导收率。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。