unsaturated

One new solvent free impregnating resin based on unsaturated polyester with modified diphenylene ether is prepared.

以改性二苯醚树脂为原料，合成了一种新颖不饱和酯型无溶剂浸渍绝缘漆。

Glass fiber is used to reinforce material for increasing toughness, flexural strength, and tensibility in unsaturated polymer modified concrete.

玻璃纤维则是作为强化材,以增加水泥浆体的韧性、拉等机械性质。

An efficient palladium-cocatalyst system for vinylation of unsaturated carboxylic acid has been exploited,among which aliphatic amines(ALA)are firstly used as cocatalysts.

以醋酸钯/邻菲洛林/脂肪胺为催化体系,丙烯酸和乙酸乙烯酯为原料,通过乙烯基交换应制备丙烯酸乙烯酯。

The processes about zymohydrolysis of lipase, microbiological conversion of fatty acid and fattyalcohol,production of unsaturated fatty acid by microbe,are introduced.

介绍了脂肪酶的分解，脂肪酸、脂肪醇的微生物转化和利用微生物生产不饱和脂肪酸油脂等过程。

Unsaturated transition metal thiocarbonyl complexes are building blocks for stable organometallic complexes and play important role in catalysis and biology.The CS molecule is isovalent with CO.

不饱和过渡金属硫代羰基化合物不仅在催化生物上具有重要作用，而且这些化合物是许多稳定的金属有机化合物的结构单元。