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New developments of polycarboxylic acid derivative catalysts, ion exchange resin catalysts, macrocyclic chelating compound catalysts, quaternary phosphonium salt catalysts, heterogeneous hydrotalcite-type catalysts and other catalysts which to be used in
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阐述了用于环氧乙烷催化水合反应中的多羧酸衍生物催化体系、离子交换树脂催化体系、大环螯合物催化体系、季鏻盐催化体系、多相水滑石型催化体系及其他催化体系近年来的研究进展;同时阐述了用于碳酸亚乙酯法合成乙二醇反应中的催化体系的新进展。 |
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New difficulties are constantly arising as we do the work.
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当我们做这项工作的时候,新的困难不断产生了。 |
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New documents and discoveries often appear to the world.
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新记录和新发明不断出现. |
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New dominant forecasting method and redundant measure are defined for combination forecasting method with generalized weight arithmetic average, based on error of power of P.
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摘要从P次幂误差的概念出发,提出了广义加权算术平均组合预测法新的预测方法优超和冗余度的定义。 |
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New drugs are inherently risky.So if you're taking one,monitor yourself carefully.Hve your eating and digestive habits changed?
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新的药物一般都会有风险.所以当你服用一种新的药物以后,要特别小心照顾你自己.要注意是否你的饮食和消化习惯有变化? |
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New dual function tweezers and soldering pen combination.
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全新电热镊子及烙铁双功能。 |
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New earning power and potential that retailers are hoping to latch on to.
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商人们希望能把握住这股新购买力与潜在的市场。 |
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New economy entrepreneurs are to be found in all parts of Britain, but the City is a particular beneficiary of the stock market's internet boom.
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新经济企业家在英国随处可见,但是网络股的繁荣使伦敦商业区的居民特别受益。 |
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New editions are published annually and updated by weekly Notices to Mariners.
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新版每年出版一次并由周版航海通告改正。 |
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New education building was completed.
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新教学楼落成。 |
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New effects: Crossflow, Lateral Dilation, 3D Separation. Governing Equations.
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32新的效应:交叉流动,侧向扩张,三维分离,统御方程式。 |