The fuberidazole was prepared by reaction of O - phenylenediamine with furfural at the presence of CTMABas catalyst. 以邻苯二胺和糠醛为原料,以十六甲基三烷基溴化铵(CTMAB)为催化剂合成了麦穗宁.
He began to feed in the spaghetti, carefully separating the strands.他开始放入意大利面,小心翼翼地将面一缕缕分开。These strands of molecules twine around each other to form cable-like structures.这些分子链彼此缠绕,形成缆线状的结构。He's trying to bring tog...
有些德国人喜欢饮用不掺水的苹果醋.Some Germans have taken to drinking cider vinegar neat.请给我一杯掺水的苏格兰威士忌.I want to have a Scotch and water, please.请来杯掺水的威士忌.One whiskey with water, please....