查询词典 vinyl

In this paper, the kinetics of minisuspension polymerization of vinyl acetate was investigated.

本文主要对微悬浮法合成聚醋酸乙烯酯的动力学进行了研究。

In this paper, the affect of pressure to the synthetic reaction of vinyl acetate was systematically summarized.

介绍了压力对合成醋酸乙烯反应的影响，提出了合成醋酸乙烯系统加压提高收率的实施方法，分析了加压后的经济效益。

The experimental results showed that it was feasible to use vinyl ether as reactive monomer in the epoxy acrylate system.

实验结果表明，乙烯基醚作为活性单体用在环氧丙烯酸酯光固化体系中是可行的。

A series of UV-cured AB crosslinked polymers based on vinyl-terminated polyethylene adipate polyurethane and methyl methacrylate were prepared.

用紫外光聚合方法制备出一系列端乙烯基聚己二酸乙二醇酯聚氨酯和甲基丙烯酸甲酯AB交联聚合物。

Sucrose vinyl adipoyl ester was synthesized from sucrose and divinyl adipate in organic solvents using an immobilized alkaline proleather.

用固定化蛋白酶FG-F在有机溶剂中催化蔗糖和己二酸二乙烯酯合成了蔗糖己二酸单乙烯酯。

During the Polyvinyl Alcohol producion, the product cannot be polymerized by the monomer directly. Generally, it can be obtained by alcoholysis of poly vinyl acetate in the solution of methanol.

在聚乙烯醇生产过程中，因产品不能由其单体直接聚合得到，通常采用聚醋酸乙烯在甲醇中醇解得到，该过程副产大量的醋酸甲酯。

The products are methyl vinyl ether (cis- and trans-), allyl alcohol and propen-2-ol.

计算得到的丙酮分子的5个异构化反应通道分别对应3种异构化产物，乙烯甲基醚、丙烯醇和1-丙烯-2羟基。

Flexibilizing co-monomers were evaluated including both vinyl and allylic types.

Flexibilizing共同单体进行了评价，包括乙烯和烯丙基类型。

A vinyl record is an analog recording, and CDs and DVDs are digital recordings.

黑胶唱片是模拟录制，而CD和DVD是数字录制。

Based on the addition of vinyl magnesium bromide to the chiral non-racemic synthon 2 derived from-1, an enantioselective total synthesis of-3, the antipode of marine alkaloid halitulin 10 steps, overall yield: 5.3% from (R-1 was achieved using aza-Claisen rearrangement as a key step.

取得的主要结果如下：一、从-苯基甘氨醇1出发，通过已知的哌啶手性合成砌块2的加成反应，建立了经aza-Claisen重排反应进行海洋生物碱halitulin手性分子片断的对映体--isohaliclorensin 3不对称合成的路线。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。