N - phenyl maleimide was synthesized from maleic anhydride and aniline.以顺酐和苯胺为原料,合成N - 苯基马来酰亚胺.The effect of acidity on synthesis of phenylbiguanide additive reaction of aniline with dicyandiamide was studied.研究了酸度对苯胺与双氰...
It is insoluble in carbon disulphide, soluble in hot aniline and phenol.它不溶于二硫化碳, 溶于热苯胺和苯酚.Callose stains are aniline blue, resorcin blue and rosolic acid.胼胝质的染剂是苯胺蓝, 间苯二酚蓝和玫红酸.N - phenyl maleimide was synthesized from m...
The giggling couple loaded up their red sports car and drove off.笑咧咧的夫妻把东西装上他们的红色跑车后疾驰而去。The winter sports bring the jet set from England.冬季运动吸引了英格兰的富豪们。Under his editorship, the Economist has introduced regular sports c...
你得知道站在哪里观察角度比较理想。You have to know where to stand for a good viewpoint.养育孩子的现实经常与浪漫的理想大相径庭。The reality of mothering is frequently very different from the romantic ideal.城市公园是理想去处，那里几乎一年四季鲜花盛开。Town gardens are ideal becaus...
Draw the floss backwards and forwards between the teeth.将牙线在齿间来回拉动。He controlled the car until it was pointing forwards again.他稳住车子，直到它又朝前开去。He stood a few moments, rocking back and forwards on his heels.他站了一会儿，踮着脚跟前后摇晃。...
She might cry, bur it was in a soft , rainy, relieving way.她也许哭泣, 但那也只是温和的 、 象下雨似的发泄一下.The body count seems to go down during the rainy season.在雨季阵亡的人数似乎有所下降.The farmers were racing against the rainy season, trying to ga...