以正庚醛 、 硫代硫酸钠和溴代正丁烷为原料,合成了正庚醛正丁硫醇缩醛.The heptanal butyl mercaptan was synthesized with heptanal, sodium thiosulfate and 1 bromobutane as raw materials.目的研究以庚醛和原甲酸三乙酯为原料制备庚醛二乙缩醛的工艺条件.Aim Enanthal diethyl acetal is prepared ...
膈: 哺乳动物体内分隔胸腔和腹腔的由肌肉和膜组成的穹窿形结构.Diaphragm: Dome - shaped muscular and membranous structure Between the thoracic and abdominal cavities.位于胸腔及腹腔的内部器官,通常称为内脏.The internal organs inside the thoracic and abdominal cavities are...
The friend mixes koradji of this assimilate to apprentice.有朋友把这比作巫师和学徒.It is indicates based on abundant information that the type of sage is koradji.文章用大量的资料论证了圣的原型是远古之巫祝....
我们活着是为了什么？不就是给邻居当笑柄，再反过来笑他们。For what do we live, but to make sport for our neighbours, and laugh at them in our turn?他喋喋不休地说着某个无聊的电视连续剧。He was carrying on about some stupid television series.我试着回忆在这里度过的所有美好时光。I try to re...
子弹嵌进了中士的腿里，使其股骨碎裂。The bullet lodged in the sergeant's leg, shattering his thigh bone.恐龙峡谷中的化石都嵌在坚硬的砂岩中。The fossils at Dinosaur Cove are embedded in hard sandstones.弗朗西斯决定把机器藏在带铰链的嵌板的后面。Frances decided to conceal the...