This paper reports a new synthetic method of nickel borate acylate.本文研究了以碳酸镍合成硼酰化镍的新方法.Through nitrosation , hydrogenate reducion, and acylate three steps, the yield surpass 80 % for the diethyl malonate.收率相对于丙二酸二乙酯达到了80...
Magnesium is the nutrient element in plant growth.镁是植物生长的营养要素.Cellulose, stearic acid, magnesium stearate, silica, cellulose & glycerin coating.纤维素, 硬脂酸, 硬脂酸镁, 二氧化硅, 纤维素 及 甘油涂层.ObjectiveTo recognize the method of adulter...
他决定点烤鸡配蔬菜，然后再要一份苹果派。He decided on roast chicken and vegetables, with apple pie to follow.他很客气地邀请我参加那晚的鸡尾酒会。He had very kindly asked me to the cocktail party that evening.她给了莫莉一些吃的：一根鸡腿下段和一些奶酪。She offered Molly tidbits: a...