查询词典 catalyst

In this thesis, the nickel based mixed oxides aerogel catalyst was prepared by sol-gel-supercritical drying method and compared with that prepared by IM method.

研究新的技术，制备高性能的用于顺丁烯二酸酐选择加氢的催化剂是具有理论和实际应用价值的课题。

This paper illustrates the important keys for a new aftertreatment way named non-thermal plasma assisted Catalyst technology and discusses some problems of how to take this technology into practice The main results of this technology and the authors viewpoints on the trend of the study are presented.

总结尾气后处理技术-低温等离子辅助催化技术在微粒净化和去除NOx中的关键技术，介绍了国内外的一些主要研究成果，并且探讨了把该项技术应用到实践中所必须解决的问题。

Using peroxide oxidation catalyst of wet air oxidation ,the fixed bed on active carbon installation is put forward.

采取湿法催化过氧化物氧化法，提出独特的碳载固定床装置。

The effects of reaction temperature, pressure of air, the catalyst amount and different complexes were evaluated.

考察了反应温度、空气压力、催化剂用量和卟啉配体结构对醇酮的产率及选择性的影响。

Now the Kunduz airstrike has become the catalyst to help Germany redefine the Afghan operation in more warlike terms.

昆都士的空袭如今成为德国在阿富汗行使更大战事自由度的催化剂。

Because the shell albuminoid can decompose histidine,lysine etc 18 types of amino acids and taurine through the biological enzyme of digestion liquid and sweat liquid in human body (equivalent to the chemical catalyst).

因为壳角蛋白通过人体中的消化液和汗液中的生物酶的作用可分解为组氨酸、赖氨酸等18种氨基酸及牛磺酸。

When chiral molybdenum 2'-pyridinyl alcoholate complexe was used as catalyst, the enantiomeric excess was 79. 5% at 0℃ in CH〓Cl〓.

我们目前经实验优化取得的最佳反应条件是：使用MoO〓〓作催化剂，在CH〓Cl〓中于0℃反应，所得产物的ee值达到了79.5％。

The highest ee value of 71% was achieved by using chiral molybdenum 2'-pyridingyl alcoholate complex at 0 ℃. After addition of phase transfer catalyst Bu4NBr, the yield and ee value were remarkably increased.

其中手性吡啶醇二氧合钼在0℃下的对映选择性ee值达到71%；加入相转移催化剂四正丁基溴化铵，催化剂的活性和对映选择性有显著提高，其中手性吡啶醇二氧合钨在50℃下ee值由54％提高到78%。

In the function of sodium methoxide, several factors effecting on alcoholysis of urea by zinc oxide catalyst were obtained.

探讨了在甲醇钠作用下，氧化锌催化尿素醇解的影响因素。

The effect of temperature, catalyst, and alcoholysis agent, etc, on PET alcoholysis was studied, and reacting conditions and formulation of PET alcoholysis were determined.

深入研究了温度、催化剂和醇解剂等对PET醇解反应的影响，确定了醇解工艺条件及配方。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

Talk Undelete failed; someone else may have undeleted the page first.

Talk 无法删除选定的页面或图像（它可能已经被其他人删除了）。