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Ligand 3 b gave higher enantioselectivity ( up to 96 % ee ) and chemical yield.
在配体3b催化的苯乙炔对醛的不对称加成反应中,产物的ee达到96%.
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J 2 EE developers to create e-business applications has become a de facto standard.
已经成为开发商创建 电子商务 应用的事实标准.
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Adopting J 2 EE platform technology, three-tiered architecture for PDM system is developed.
系统采用J2EE平台技术, 构建了该产品数据管理系统的三层体系结构.
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High enantioselectivity with an ee value up to 97 % was achieved under very mild conditions.
在温和条件下,取得了ee值达到了97%.
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Up to 96 % ee was achieved with 4-nitro-chalcone as enone substrate.
以 4- 硝基查耳酮为原料的反应,其产物可获得最高达96%ee值.
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适当切割流出物馏分, EPA-EE的纯度可达90%,DHA-EE可达75%.
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Excellent knowledge in J 2 EE, UML, XML, software quality control is a MUST.
过硬的J2EE, UML, XML知识, 要求掌握软件质量控制过程.
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Tibor Scitovsky believes that this has been the most important impact of the EEC.
蒂博尔·西托夫斯基认为,这是欧洲经济共同体的最重要的影响.
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