The driver of an evacuation bus was wounded by shrapnel.一辆疏散大巴的司机被弹片炸伤。The driver of an evacuation bus was wounded by shrapnel...一辆疏散大巴的司机被弹片炸伤。The explosion sent shrapnel flying through the sides of cars on the crowded ...
氯苯 、 溴苯和苯硫酚化合物的谱带出现于低限附近.In compounds such as chorobenzene, bromobenzene and thiophenol it lies close to the lower limit.方法以3-甲氧基苯硫酚和对甲氧基 - 苯乙酮为原料经溴化、烃基化、环合重排排制得目标产物.Methods: The target compound was synthesized through b...
Olivine has been completely altered to serpentine, talc, and amphibole in the bore - hole examined in detail.钻芯详细检查的结果,橄榄石全部蚀变为蛇纹石 、 滑石及角闪石.Jadeite jade consists of minerals of pyroxene, amphibole and feldspar groups.翡翠由...