分析了影响醚化催化剂使用寿命的因素，提出了延长醚化催化剂使用寿命的措施。
The factors which influences the service life of catalyst for etherification are analyzed, and the measures to lengthen its life are putted forword.
这样就避免了催化剂与原料中的污染物和重质毒物接触，因而催化剂使用寿命较长。
Thus the contact of the catalyst with pollutants in feedstock and heavy toxicants is avoided. So the catalyst service life is longer.
为加氢裂化装置所使用的精制催化剂和反应催化剂的性能、脱硫效果以及催化剂使用寿命的判断提供了依据。
This provides a good basis for assessing the performance and desulfurization result of the refining catalyst and cracking catalyst of the hydrocracker as well as the service life of the catalysts.
由于对原料气中硫的净化把关不严，使硫中毒问题成为中小氮肥厂影响氨催化剂使用寿命共同存在的突出问题。
Through investigation for the easy lost of service life of ammonia synthesis catalyst among middle and small nitrogen plants. it is found;
从原料、工艺操作等方面对影响催化剂活性原因进行分析，总结出可延长MTBE催化剂使用寿命的方法，实际应用效果良好。
The raw material and process operation which affects the catalytic activity are analyzed and a method to enlarge the life circle of MTBE catalyst is conclude, which proves to be effective in practice.
D3520载体对活性组份具有良好的吸附性能，延长了催化剂的使用寿命。
The active component can be well adsorbed on the support(D3520), on which the lifetime of the catalyst is prolonged.
铜催化剂改良后，提高了加氢效率、选择性和使用寿命。
The hydrogenation efficiency, selectivity and life-time of copper-based catalysts have been improved after the modification of the catalysts.
并对催化剂的使用寿命和失活机理进行了考察。
The lifetime of the catalysts and the mechanism of deactivation were also investigated.
某些制备技术可以有效地防止催化剂与载体的反应，从而延长了催化剂的使用寿命。
Some novel preparations prevent the catalysts from reacting with the supports, and thus extend the catalyst service life.
通过侧流试验分析了DD - 1脱除丁二烯的效果、使用寿命和丁烯损耗情况、反应空速和反应温度对催化剂的影响。
Through side-stream test, the result of butadiene removal by DD-1, service life, butene loss, and the influences of reaction velocity and reaction temperature on the catalyst are analyzed.
着重分析并介绍了该催化剂的升温还原、生产操作条件及延长其使用寿命的方法和途径。
An analysis and description are given particularly of the reduction by heating of the catalyst, operating conditions in production, and the ways and means for prolonging its service life.
研究表明：气固相反应中，副产物较多，催化剂易失活，使用寿命短；
The results show that, when reaction proceeds in gas solid phase, more by product is produced and the catalyst is easily inactivated with short service life.
考察了废气中的肼浓度、空间速度、环境温度、氧浓度等因素对含肼废气净化效果的影响及这种催化剂的使用寿命。
The influence of hydrazine concentration in waste gas, space velocity, environmental temperature, oxygen concentration on the purification efficiency was discussed.
本工艺方法所使用的催化剂具有高效、容易保存、使用寿命长、可回收的特点。
The catalysts used in the technological method are characterized by high efficiency, easy preservation, long service life and recoverability.
结合催化剂的组成和性能就如何延长催化剂的使用寿命做了全面总结。
According to composition and performance of the catalysts, a comprehensive summary about how to prolong the catalyst life was introduced.
该法可有效提高焦化汽油的辛烷值，延长重整催化剂的使用寿命。
The said process has effectively raised octane number of the coker gasoline and prolonged service life of the reforming catalyst.
本发明使得催化剂的活性和选择性高、稳定性好、使用寿命长、催化效率大大提高。
The catalyst has high activity, high selectivity, high stability, long service life and high catalytic efficiency.
本发明的复合催化剂，既有催化功能又有二氧化碳吸附功能，并且稳定性提高，使用寿命延长，可循环使用20次或20次以上。
The composite catalyst has a catalytic function and an absorbing function of carbon dioxide, enhances stability, prolongs service life, and can be recycled 20 times or above.
马孚燃烧催化剂还会带来其它好处，这些好处会进一步提高燃油经济性，降低发动机磨损，延长发动机使用寿命，减少维护费用。
Mafu fuel additives also provide other benefits which further improve fuel economy, reduce engine wear, prolong engine life and reduce maintenance costs.
马孚燃烧催化剂还会带来其它好处，这些好处会进一步提高燃油经济性，降低发动机磨损，延长发动机使用寿命，减少维护费用。
Mafu fuel additives also provide other benefits which further improve fuel economy, reduce engine wear, prolong engine life and reduce maintenance costs.
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