| 1. | The nitramine ethers perform two functions in the smokeless powder composition .
硝胺醚在无烟火药成份中有两种作用。 |
| 2. | Thus varying the nature of r from primary to secondary to tertiary alkyl results in increasing yields of the hydroxy ethers .
当R按伯、仲、叔烷的顺序递变，则所得羟基醚的产率就随之而增高。 |
| 3. | The oh functionality of the polyether may be controlled by using modifiers such as glycidol, ethylene glycol, water or trimethylol propane .
用缩水甘油、乙二醇，水或三羟甲基丙烷等改良剂，可控制聚醚的羟基官能团。 |
| 4. | The oh functionality of the polyether may be controlled by using modifiers such as glycidol, ethylene glycol, water or trimethylol propane .
用缩水甘油，乙二醇，水或三羟甲基丙烷等改良剂，可控制聚醚的羟基官能团。 |
| 5. | The oh functionality of the polyether may be controlled by using modifiers such as glycidol, ethylene glycol, water, or trimethylol propane .
可用缩水甘油，乙二醇，水或三羟甲基丙烷等改良剂，可控制聚醚的羟基官能团。 |
| 6. | Table 1. 4 compares the boiling points of several alkyl ether that have permanent dipoles with those of hydrocarbons, which have no permanent dipoles .
表14对若干有永久偶极的烷基醚和没有永久偶极的烷烃的沸点作了比较。 |
| 7. | Polyether polyols - determination of water content
聚醚多元醇中水分含量测定方法 |
| 8. | Synthsis of new halogenated diamino - triphenyl ethers
新型卤代二氨基三苯醚的合成 |
| 9. | The factors affecting the properties of pes membrane
影响聚醚砜超滤膜性能的因素 |
| 10. | Advances in the research of amido podands extractant
酰胺荚醚类萃取剂的研究进展 |
