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1)  narrow molecular weight alcohol polyether
窄分布醇醚
2)  narrow distribution
窄分布
1.
The paper probes into the catalyzing effects of oxyalkyl metal compounds and lauric soap compounds on the narrow distribution with HPLC method,analyses the distribution status of ethoxylates.
对烷氧基金属化合物和月桂酸皂类化合物催化月桂醇乙氧基化窄分布作用进行了研究,用高效液相色谱分析了乙氧基化产物的分布状态。
2.
The recent developed technology of narrow distribution ethoxylation of fattyalcohol was introduced in this paper.
本文介绍了近年来发展起来的脂肪醇窄分布乙氧基化技术。
3.
TLC result showed that the distribution index of OHAA catalyzed by Mg-Al-Co compound oxide reached over 80% with very good narrow distribution effect.
薄层色谱表明镁铝钴复合氧化物催化合成的OHAA分布指数达到80%以上,具有很好的窄分布效果。
3)  narrow-distribution
窄分布
1.
Preparation of narrow-distribution ethoxylated fatty alcohol by molecular distillation;
分子蒸馏制备窄分布脂肪醇聚氧乙烯醚(AEO_3)的研究
4)  narrow pore size distribution
窄孔分布
1.
The alumina with high specific surface area, large pore volume and diameter, and narrow pore size distribution was prepared by pH swing method from Al 2(SO 4) 3 and different precipitants such as NH 4OH, NaOH and NaAlO 2.
以硫酸铝液为原料 ,以氨水、氢氧化钠和铝酸钠为碱沉淀剂 ,采用pH摆动法制备了高比表面积、大孔径、窄孔分布、大孔体积氧化铝 ,考察了沉淀剂、沉淀温度及沉淀时酸侧pH值对氧化铝物性的影响 ,并对 pH摆动法与等 pH沉淀法的结果进行了比较 。
5)  narrow range
窄分布
1.
Two new applied nonionic surfacants(fatty alcohol ethoxylates of the narrow range and fatty acid methyl ester ethoxylates) were studied.
本文就具有应用前景的新型非离子表面活性剂:窄分布脂肪醇乙氧基化物的合成和脂肪酸甲酯的直接乙氧基化反应进行了研究。
6)  Narrow diameter distribution
粒径窄分布
补充资料:胎圈过窄、子口窄、圈窄等
分子式:
CAS号:

性质:又称胎圈过窄、子口窄、圈窄等。轮胎工业中指两胎圈宽度不一致的现象。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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