查询词典 catalytic

Demands on middle-distillates selectivity have become increasingly severe; and a key problem to improve catalyst technology is how to achieve objectives for maximum middle-distillates selectivity To assess the catalytic performance of hydrocracking catalysts, a new laboratory method using decane as the model compound was develo...

本文首先建立了一种以正癸烷为模型化合物的微反评价方法，其中微反转化率与中型活性呈线性关系；采用回归方程可以拟合出中间馏分油选择性。

Zhongyuan vacuum residue and catalytic cracking decant oil propane deasphalting was carried out at the pilot continuous solvent deasphalting equipment.

以中原某炼油厂减压渣油和催化油浆为原料，结合溶剂脱沥青工艺的特点，以丙烷为溶剂对掺兑油浆后的减压渣油进行丙烷脱沥青研究。

The product was immiscible with the catalyst and could be separated simply by decantation after the reaction. As environmental benign catalysts, the TMPSHSO4 could be reused for nine times without noticeable lowering of catalytic activity.

结果表明，[HSO4]具有很高的催化活性，n(C6H8O7)：n(C4H9OH)=1：3.5时在125~130℃下反应3.0h，酯化率达到99%；反应结束后产物与催化体系分层，简化了分离过程；离子液体可以循环使用9次，催化活性无明显变化。

A catalytic cycle is postulated, in which the oxidative decarboxylation of diphenylacetic acid involves the interaction of a high-valent Mn-oxo species with the substrate.

二苯基乙酸的氧化脱羧可能涉及高价的含氧锰物种与反应物间的相互作用，提出了可能的反应机理。

Objective The detoxification method of polychlorinated biphenyls by catalytic dechlorination was studied under mild conditions.

目的研究温和条件下，多氯联苯(polychlorinated biphenyls，PCBs)的催化脱氯减毒方法。

Visible light catalytic activity was observed in the experiment of the decoloration of methylene blue.

对可见光照射下的光催化活性进行了测试，并考察了锻烧温度及掺杂量等对光催化活性的影响。

2L, PP1 catalytic subunit, beta isoform(PP1Cβ), dedicator of cytokinesis 8DOCK????

2L，蛋白磷酸酶1β亚型(PP1Cβ)，无功能糖基转移酶样蛋白DOCK？？？？

The mathematical models for SCR flue-gas denitration reaction process can provide a basis for the design,operation and control of catalytic reactors.

SCR烟气脱硝反应过程数学模型是催化反应器设计、运行控制的基础。

This paper introduce a kind of flue gas denitration technology — selective catalytic reduction denitration technology, and the specialty of " core design technology + core product" of SCR in Longyuan Environmental Engineering company.

本文介绍了一种国内外主流的烟气脱硝技术—选择性催化还原脱硝技术，并且重点对龙源环保公司SCR烟气脱硝技术的"核心设计技术+核心产品"特点进行了介绍。

Experiments on purification technologies for the conversion of cornstalk biomass into the industrial product were made to produce cornstalk gas in the down-flow fixed by the gasifier. The experiment focused on the technical procedures for deoxygenation. catalytic cracking of tar, hydrogenation, etc. Quality straw syngas was produced for methanol synthesis. The catalysis of methanol synthesis for the production of cornstalk syngas was earned out in a tubular-flow integral and isothermal reactor under the pressure of 5MPa over Cu-based catalyst C301 (particle size: 0.833mm×0.351mm), a catalyst made in China. Thirty-three sets of test data were obtained.

为了实现秸秆类生物质合成燃料甲醇的工业转化，有效利用生物质能，对下吸式固定床气化炉产生的低热值玉米秸秆燃气进行除氧、分解焦油和配氢等纯化试验，制备出合成甲醇的优质秸秆合成气，在直流流动等温积分反应器中，使用国产C301铜基催化剂，催化剂粒度为20~40目(0.833mm×0.351mm)，在5MPa反应压力下，对玉米秸秆合成气进行催化合成甲醇试验研究，获得33套试验数据。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。