Cyclopentanone ethylene ketal was synthesized with I _ 2 as catalyst.以单质碘为催化剂合成了环戊酮乙二缩酮.The blended chips containing 10 % ~65 % of n - Eicosane were fabricated with n - Eicosane, polyethylene ( PE ) and ethylene - propyl...
Ethylene and trans - dichloroethylene are both inactive in the infra - red in this region.乙烯和反式二氯乙烯在红外光谱的这个区域都无活性.Plasma - polymerization of ethylene gives films of complex, uncertain structure.乙烯的等离子聚合得到复杂的, 无固定结构的薄膜.In...