The reaction features of the catalytic conversion of butylenes to propylene and ethylene were investigated.
探索了丁烯催化转化为丙烯、 乙烯的反应特点。
The research focus and commercial application of catalytic conversion of methane in the future are also prospected.
最后对甲烷临氧催化转化制合成气技术今后的研究重点及应用领域作了展望。
Synthesis of aromatics by catalytic conversion of methane is reviewed and the recent results of experiment are given.
综述了甲烷催化转化合成芳烃的方法和目前实验达到的结果。
The nitrogen poisoning mechanism of FCC catalysts and the catalytic conversion of nitrogen-containing compounds are summarized.
从FCC催化剂碱氮中毒机理、含氮化合物的转化等角度分析了含氮化合物对催化裂化的不利影响。
Decomposition of a chemical compound by reaction with water, such as the dissociation of a dissolved salt or the catalytic conversion of starch to glucose.
水解作用通过与水反应分解一种化学合成物，比如盐水的解析，或淀粉向葡萄糖的催化转变。
Conversion and selectivity of catalytic reactions as well as the deactivation rate of the catalyst itself is very temperature - sensitive.
催化反应的转化率和选择性以及催化剂本身的失活速率均对温度十分敏感。
This article introduces the chemical reaction mechanism of urea conversion into melamine. It also describes the optimum reaction conditions for low-pressure Catalytic melamine production process.
介绍了尿素转化成三聚氰胺的化学反应机理及三聚氰胺低压催化法工艺的最佳反应条件。
Catalyst for promoting conversion of high-boiling hydrocarbons into lower-boiling types in catalytic cracking process.
在催化裂化过程中为促进高沸点烃类转化成低沸点烃类所用的催化剂。
The conversion, the utilization rate of raw materials and the product yield of esterification reactions are raised by applying the catalytic rectification process.
催化精馏技术应用于酯化反应体系，提高了反应的转化率、原材料利用率和产品收率。
The second-generation bio-fuels and chemicals can be produced using several methods such as hydro conversion, thermal or catalytic cracking, biomass gasification and syngas conversion.
第二代生物燃料和化学品可采用加氢转化、加热裂化或催化裂化、生物质气化和合成气转化等几种方法生产。
Catalytic pyrolysis of biomass is one of the important methods of biomass thermal chemical conversion.
生物质催化裂解是生物质热化学转化的一种重要途径。
The influence of oxygen concentration and temperature on the conversion efficiency of catalytic converter was analyzed by examing the transient emission in NEDC(new European driving cycle).
通过研究NEDC循环工况下整车的瞬态排放情况，分析了减速断油及怠速停机过程中，氧浓度及温度的变化对催化器转化效率的影响。
The immobilized enzyme from Bacillis megaterium gave a better catalytic properties and the higher conversion was obtained using phenylglycine methyl ester (PGME) as acyl donor.
来源于巨大芽孢杆菌的固定化酶催化头孢克罗合成的能力较好，以苯甘氨酸甲酯（PGME）为底物较酰氨的效果好。
In the forth chapter, the pressure lose and conversion efficiency of catalytic converters with various configurations have been measured on a steady flow rig and analyzed in theory.
第四章详述了在稳流试验台上对不同结构催化器压力损失和转化效率的测量，并进行了理论分析。
The catalyst has high catalytic activity and excellent stability, both the conversion rate of TAME and the selectivity of isoamylene can be over 99%.
该催化剂具有良好的活性和稳定性，TAME转化率和异戊烯的选择性均超过99%。
Chemical reaction of co is a gas-solid catalytic reaction in catalytic converter. The mass transfer course of co in honeycomb holes has very important effects on co conversion ratio.
催化转化器中CO化学反应属于气固非均相催化反应，在载体蜂窝孔内CO向催化剂固体表面的质量传输过程对CO的转化率有着重要影响。
The catalyst of the invention is used for catalytic cracking of heavy oil, the conversion rate is high, the yield of gasoline is high and the coke yield is low.
本发明催化剂用于重油催化裂化，转化率高，汽油产率高，焦炭产率低。
Meanwhile, the outstanding catalytic performance of iron-modified HMS and the 46.9% conversion rate of phenol have been shown in the reaction of phenol hydroxylation.
在苯酚羟基化反应中，铁改性的HMS催化剂表现出良好的催化性能，反应中苯酚的转化率为46.9 %。
We find that the surface area of carbon electrodes has markedly influences on the charge transfer resistance, the efficiency of catalytic process of I3 - ions, and the energy conversion efficiency.
实验结果发现，碳极的表面积会强烈影响介面电荷转移阻抗、I3-离子还原效率与光电转换效率。
Influences of preparation conditions on catalytic properties were investigated also and chief reaction conditions were optimized. Conversion and selectivity are over 70% and 90% respectively.
考察了催化剂制备条件对其性能的影响，并对主要反应条件进行了优化，反应的转化率和选择性分别达到70%和90%以上。
The experimental results show that the conversion and the purity of methylal in the distillate can reach 0.89 and 0.99, respectively, and the slurry catalytic distillation process is practic…
在选定的试验条件下，甲缩醛收率可达89%以上，塔顶甲缩醛的质量分数可达0.99以上。结果表明，该工艺用于制备甲缩醛是可行的。
The experimental results show that the conversion and the purity of methylal in the distillate can reach 0.89 and 0.99, respectively, and the slurry catalytic distillation process is practic…
在选定的试验条件下，甲缩醛收率可达89%以上，塔顶甲缩醛的质量分数可达0.99以上。结果表明，该工艺用于制备甲缩醛是可行的。
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