Cu furaldehyde - diamine Schiff base complex was synthesized with the yield of 63.合成了一种席夫碱金属络合物——呋喃甲醛乙二胺铜络合物,收率为63.HEDTA ( N - hydroxyethyl ethylene diamine triacetic acid )N - 羟乙基乙二胺三醋酸 ( 有机螯合剂 )Dialysis and ethylene di...
Colonel Forster looked very becoming the other night at Sir William's in his regimentals.有天晚上在威廉爵士家里弗斯脱上校全副军装,看上去,真是一表人材.Forster was a venturer by nature.福尔斯特生来是一位冒险家.Forster , Joseph Conrad , George Orwell , Fyodor...
这样的法规可以保护消费者免受有害或者危险药品的威胁。Such laws could protect the consumer from harmful or dangerous remedies.脱咖啡因的咖啡仍含一些刺激物和其他可能致癌的有害物质。Decaffeinated coffee still contains some stimulants and other nasties linked with cancer.多不饱和油对...