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- Keywords Aliphatic polycarbonate;Property;Ring opening polymerization;Six membered cyclic carbonate; 脂肪族聚碳酸酯;性能;六元环碳酸酯;开环聚合;
- Five members were nominated to the committee and eight were elected to it. 委员会有5名指定成员，另外8名由选举产生。
- Cyclic carbonate, Amine aldehyde, keto, activated olefinic bond, N-alkoyl, acid, anydride, acid chloride, acetoacetoxy. 环碳酸酯，胺醛，酮，活性烯键的N alkoyl，酸，anydride，酰氯，乙酰乙酸。
- Five members voted for the proposal, eight voted against, and two abstained. 对于这项建议，五人投票赞成，八人反对，两人弃权。
- The intermixture of cyclic carbonate and polyhydric alcohol was used to liquefying lignocellulosics rapidly under atmosphere pressure，acid catalyst and elevate temperature. 因此生物质可以被认为是由多种复杂大分子结合而成的超分子，具有相当高的热化学稳定性；
- Our group had five members to start with. 我们小组开始时只有五名成员。
- Five members make up this group. 这个组由五个成员组成。
- We had only five members to start with. 开始时我们只有五个成员。
- Notice the five members of the Product Line level. 注意“产品系列”级别的五个成员。
- A novel second order optical polymer with a five member heteroaromatic cycle was synthesized. 报导了一种新型含有五员呋喃杂环非线性光学生色团，并且引入到聚甲基丙烯酸甲酯侧链中。
- Biodegradable aliphatic polycarbonate is generally prepared by polycondensation of diols with phosgene or dialkyl carbonate, copolymerization of carbon dioxide with epoxide, and ring-opening polymerization of cyclic carbonates. 生物可降解脂肪族聚碳酸酯一般可以通过二元醇与光气或二烷基碳酸酯的缩合聚合、二氧化碳与环氧化合物的共聚以及环状碳酸酯的开环聚合来制备。 其中，环状碳酸酯的开环聚合是合成生物可降解脂肪族聚碳酸酯的重要方法。
- Five members of the Executive Council shall constitute a quorum. 执行委员会法定成员为五人。
- The latest progress in the synthesis of cyclic carbonates from carbon dioxide and epoxides was reviewed, and the catalytic reaction mechanism was discussed. 本文综述了近年来该反应的研究进展，讨论了催化剂作用下的反应机理。
- There are five members on the team who are faster than him. 队里有五个人都比他跑得快呢!
- A delegation of five members from Xiamen Harbour Administration. 廈門市港務管理局代表團，一行五人。
- The synthesis of cyclic carbonates from carbon dioxide and epoxides is one of the most effective routes for chemical utilization of carbon dioxide as a C1 building block. 二氧化碳与环氧化合物通过环加成反应制备环状碳酸酯是二氧化碳化学法利用最为有效的途径之一。
- My family has five members and it is full of love and harmony. 我的家是一个充满亲情，洋溢和谐的五口之家。
- Onondaga As one of the original five member nations, the Onondaga were an influen-tial force in the Iroquois Confederation, a league of Iroquoian-speaking Native Americans. 昂昂达嘎族 作为最初的五个民族之一，昂昂达嘎族是伊罗奎伊斯联盟，一支说伊罗奎伊斯语的美洲土著联盟中有影响的部族。
- The teachers appointed a committee of five members to plan the class picnic. 老师指定一个五人小组负责计划班级的野餐活动。
- Keywords carbon dioxide;diols;cyclic carbonate;acetates;catalysis; 二氧化碳;二醇;环状碳酸酯;乙酸盐;催化;
