the catalyst

Grid Technology : The Catalyst of the Transformation of Library Work

网格技术：图书馆工作变革的催化剂

The catalyst has been used in the commercial installation for five years .

研制的催化剂在该装置上运转长达5年。

The catalyst still kept high activity after reused five times .

催化剂重复使用5次仍保持较高活性。

This time the catalyst is the eurozone debt crisis .

这一次的催化剂是欧元区债务危机。

The catalyst could be repetitively used without any treatments .

固体酸催化剂不经处理可循环使用多次。

And additive also affected the catalyst selectivity significantly .

助剂的加入对催化剂选择性有明显的影响；

Study on conductive carbon in the catalyst layer of the air electrode ( I )

空气电极催化层中导电炭材料的研究（I）

(( 3 ) reduction ) temperature of the catalyst should not be higher than 600 ℃ .

催化剂的还原温度不宜超过600℃。

The Catalyst acidity is a key factor .

催化剂的酸度是一个关键因素。

Study on the Catalyst for Automotive Exhaust Purification

汽车排气净化催化剂的研究

The catalyst with big size and low bulk density is prone to expand .

大粒径、低堆密度催化剂易膨胀；

The catalyst is subjected to a uniform ram pressure .

催化剂承受均匀活塞压力。

The catalyst was reused four times still have abetter catalytic activity .

催化剂重复使用4次仍有较好的催化活性。

Change Therefore , climate change is the catalyst of the disese occurrence .

所以，气侯变化是生态因子变化继而诱发鳜鱼疾病的催化剂。

Theoretical Study of the Catalyst Structure and the Relation between the Alternative Structure of Copolymer Ligands and Activity

催化剂分子结构及共聚物配体的交替结构与其催化活性关系的理论研究

Effect of the Catalyst on the Structure and Optical Properties of Organic Dyes Doped Silica Gels

催化剂对SiO2凝胶结构及复合体系发光性能的影响

Distribution of active component in the catalyst with maximum reaction stability toward nonselective poison deposition

最大抗毒稳定性对应的粒内活性组分最佳分布

Esterification reaction time is short and yield reaches 96 % . The catalyst can be used repeatedly .

酯化反应时间短，收率达到96%，催化剂可重复使用。

The catalyst features high mercaptan oxidation activity , good stability and capability of adsorbing hydrogen sulfide .

QTM01具有硫醇氧化活性高、稳定性好且能吸附H2S等特点。

Catalytic Oxidation of Glucose over the catalyst Pd-Co / C

Pd-Co/C催化剂上葡萄糖的催化氧化反应

The catalyst was characterized by FT-IR , XPS and ICP .

利用FT-IR，XPS和ICP对催化剂进行了表征。

By using a screen filter , the catalyst was kept in the upflow column of the reactor .

采用丝网过滤，催化剂留于反应器上升管中。

After necessary experiments proper material and scheme can be confirmed ; At last some parameters to prepare the catalyst are investigated .

然后通过实验筛选出适宜的实验方案，在制备实验中进一步考察了制备条件对催化剂性能的影响，从而得出催化剂的制备参数。

Investigation of the catalyst for preparing pyrrole from furan

由呋喃制备吡咯的催化剂研究

Performances of the catalyst Nafion membrane electrodes were studied by means of current potential polarization and galvanostatic discharge .

用电流－电位极化和恒电流放电法研究了催化剂－Nafion膜电极的性能。

The catalyst had advantages of very low raw material cost , high catalytic activity , acceptable life time , and regeneration and easy separation .

催化剂具有原料成本低、活性高、活性下降慢、能在一定程度上再生等优点，且合成的产物易分离。

The catalyst was inactive when pyridine was used as base in Heck arylation .

采用吡啶为碱源时，催化剂对Heck芳基化反应无催化活性。

A new type of catalytic distillation column is proposed , in which the catalyst is loaded loosely and easy to be replaced .

提出了一种新型的催化剂散装式催化精馏塔结构，并开发了两种新型的塔板。

The catalyst T - 49 has been put into industrial application in Lanzhou Petroleum Processing Chemical Coporation , which gained a great success .

T-49催化剂在兰州炼油化工总厂工业应用中，取得了良好的效果。

A liquid phase catalytic oxidation process was carried out continuously for 223 hours and no deactivation of the catalyst was observed during the period .

试验中注意到了催化剂的流失，实验结果表明是可以被忽略的。对催化剂还进行了223小时连续处理偏二甲肼废水水相催化氧化试验，催化剂仍保持着稳定的催化活性。