n. 螺旋桨,推进器;=propellor
网络 螺旋浆; 推进者; 螺桨
The yields of products for the reaction of trimethylsilyl propargyl bromide are 71 to 84%.
三甲基甲硅烷基炔丙基溴的反应产物的产率为71%到84%。
The yields of products for reaction of trimethylsilyl propargyl bromide are 71-84%.
三甲基硅基炔丙基溴与醛的反应产率约为71-84%。
The second part of this paper relates to the synthesis of 3(2)-fluoro-4-propargyl- benzyl alcohol.
本论文的第二部分工作是3-氟(2-氟)-4炔丙基苄醇的合成探讨。
Poly (propargyl alcohol) obtained is a brown sticky-solid with lustre, and shows semi-conductivity and paramagnetism.
制得带有光泽的褐色粘性固体产物,聚丙炔醇显示半导体及顺磁特性。
The effects of molecular weights, ethynyl contents and methylol contents on thermal cure and cure kinetics of typical propargyl resins are also reviewed.
研究影响热固化过程的因素(分子量、炔基含量、羟甲基含量)和典型树脂的固化动力学。