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- A series of polyester based liquid crystalline ionomers(LCI) with various sulfonate group content were prepared from p acetoxybenzoic acid and sulfonated PET ionomers through melt copolycondensation. 对乙酰氧基苯甲酸与含磺酸基PET离聚物通过熔融共缩聚反应,获得一系列不同离子含量的液晶离聚物。
- Keywords poly(lactic acid)-polyethylene glycol;melt copolycondensation;solid state polycondensation; 聚乳酸-聚乙二醇;熔融共聚;固相聚合;
- Keywords D;L-lactic acid (D;L-LA);L-lactic acid (L-LA);Direct melt copolycondensation;Biodegradable polymer;Poly(lactic acid-glycolic acid) (PLGA);Reaction mechanism; 外消旋乳酸(D;L-LA);左旋乳酸(L-LA);直接熔融共聚;生物降解高分子;乳酸乙醇酸共聚物(PL-GA);反应机理;
- The sea seemed to melt into the sky at the horizon. 在水平线处,海洋似渐渐没入天际。
- All his support melt away when he really needed it. 在他真正需要支持时,却得不到一丝半点。
- At high pressure dry ice will melt. 高压下干冰会溶化。
- The action of salt on ice causes it to melt. 盐作用於冰而使其融化。
- melt copolycondensation 溶融共聚
- direct melt copolycondensation 直接熔融聚合
- Melt the butter and then blend in the flour. 先把黄油融化,然後加入面粉。
- These chocolates really melt in your mouth. 这些巧克力真正是入口即化。
- If you spread salt about(the ground), it helps to melt the snow. 如果你在地上撒些盐,会有助于雪的融化。
- Iron will melt when it is made very hot. 当铁烧得很热时就会熔化的。
- Setting a fire for cooking will not melt the igloo. 在屋内焚木生火煮食;是不会把他们住的冰屋溶掉的.
- If you warm ice it will melt into water. 如果你把冰加热,它会融化成水。
- Let the cough drop melt in your mouth. 让止咳糖在你嘴里溶化。
- The snow began to melt when the sun came out . 太阳出来时,雪开始融化。
- Thin wires easily melt if they are made of copper. 如果用铜制细导线极易熔化。
- He decided to use carbon because it does not melt. 于是,他决定用碳,因为碳不易熔化。
- The ice cream softened and began to melt. 冰淇淋开始变软并开始融化。