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- Phase separation (nonsolvent induced phase separation, spreading solution on water surface and so on), melt stretch, thermally induced phase separation are included. 重点介绍了聚4-甲基-1-戊烯微孔膜各种制备方法的原理、过程、影响因素和膜的结构特点。
- SW586 shows the best melt stretchability which isbelieved to be relative to the ability of viscosity deformation, F800EDF the lowest and CF3017 in between. 树脂在流延过程中的拉伸能力主要与粘性应变的能力有关,三种树脂的熔体拉伸能力最好的是SW586,CF3017居中,F800EDF的拉伸能力较低。
- The place used to be a stretch of barren land. 早先这里是一片不毛之地。
- 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。
- Can you work for six hours at a stretch? 你能不能不休息连续工作6小时吗?
- The lorry skidded on a stretch of black ice. 货车在薄冰路面上打滑。
- Alfred has done a stretch in Chelmsford Prison. 艾乐弗雷德已在切姆斯福特监狱服过刑。
- 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。
- He did a long stretch for attempted murder. 他因谋杀未遂罪坐了很长时间的牢。
- I got out of the bed and had a good stretch. 我起床后舒服地伸了个懒腰。
- At high pressure dry ice will melt. 高压下干冰会溶化。
- She worked for six hours at a stretch. 她连续工作了六个小时。
- The action of salt on ice causes it to melt. 盐作用於冰而使其融化。
- The vast plains stretch for hundreds of miles. 辽阔的平原绵延数百英里。
- 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。
- With a stretch of his arm, he reached the shelf. 他伸出手臂,够著了那个架子。
- In front of us we saw a stretch of open fields. 眼前我们看到一片开阔的田野。
- It feels good to stretch after a long drive. 开了很长时间车,舒展一下肢体会很舒服。
- A wide stretch of land spreads in front of us. 一片广阔的土地在我们面前展开。