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Using BF3-Et2O as a catalyst, the title compound was synthesized from allyl alcohol and epichlorohydrin by a series reaction included addition and cyclization.
中文意思:
烯丙醇和环氧氯丙烷在三氟化硼乙醚络合物的催化作用下进行加成和环化反应制得标题化合物。


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Using 3.3m tonnes of corn, it produced 1m tonnes of ethanol last year. 去年,中国用330万吨玉米生产了100万吨的酒精。
Using 60% of the baseline standardized uptake value as a cutoff point, the sensitivity of the approach was 61% after one course of chemotherapy, 89% after two and 88% after three. 利用基线标准摄入值的60%作为切断点,该方法的敏感性在化疗第一疗程后、第二疗程后、第三疗程后分别为61%、89%和88%。
Using 80% dipropylene glycol and 20% 1,4-butanediol as molecular regulator could also narrow the molecular weight distribution and reduce the amount of smaller molecules in product. 研究还发现分子量调节剂对产品分子量分布有较大影响,采用混合型调节剂也能够使分子量分布变窄并降低小分子物质含量。
Using AHP and grey colligation evaluation, a scientific and quantitative teaching quality evaluation model is established in order to classify evaluation objects. 运用层次分析法与灰色综合评价法建立科学的、可量化的教学质量评价模型,目的是将评价对象分类。
Using Austronesian's elevated housing style, blocking the harsh sun and rain in southern Taiwan, it will create a cool open space, attracting the public to gather and get involved. 引用南岛语族的高脚屋形式,遮蔽南台湾的艳阳与阵雨,创造阴凉的大型开放空间,吸引民众聚集、参与。
Using BF3-Et2O as a catalyst, the title compound was synthesized from allyl alcohol and epichlorohydrin by a series reaction included addition and cyclization. 烯丙醇和环氧氯丙烷在三氟化硼乙醚络合物的催化作用下进行加成和环化反应制得标题化合物。
Using Bacillus spp. strains 25-6、25-9 as materials, the starting mechanism of protective enzyme system in the process of inoculating Baccillus spp. to increase sweet potato's resistance to Fusarium oxysporum f. sp. batatas was investigated. 摘要以芽孢杆菌菌株25-6、25-9为材料,研究了通过接种芽孢杆菌提高甘薯对蔓割病保护酶系统的启动机制。
Using CSS will improve the quality of your web site and increases the readability for many different browsers. It will also greatly reduce your web site development costs. 使用CSS将改进网站的质量,并增加网站在不同浏览器中的可读性。并且,它可以大幅度的减少你的网站开发成本。
Using China's province-level panel data from 1985 to 1997, this paper explores the empirical relationship between firm size and innovation. 摘要本文使用我国1985-1997年省级水平的面板数据,应用动态面板模型方法对我国企业规模经营与创新的地区差异问题进行了研究。
Using Cleopatra as a pawn Octavian played a calculated game. 利用克利奥帕特拉为突破口,屋大维打以一场计划周密的战争。
Using DNA taken from cancerous cells, Ahrendt and colleagues at the Johns Hopkins School of Medicine studied 105 patients with lung cancer, including 10 who never smoked cigarettes. 通过从癌细胞中提取的DNA,阿伦特和约翰·霍普金斯医学院的同僚们研究了105名肺癌患者,其中包括10名从不抽烟者。
 
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