Propyl glycidyl ether ( PGE ) was obtained from propyl alcohol and epichlorohydrin by phase - transfer catalysis.以环氧氯丙烷和正丙醇为原料,通过相转移催化法合成了正丙基缩水甘油醚.The FBC ( fluorous biphase catalysis ) is a new nonaqueous immobilization...
In specific acid catalysis, the undissociated acids do not contribute.在特殊的酸催化中, 不离解的酸不起作用.The corresponding reaction of acetaldehyde is subject to general base catalysis.乙醛相应的反应服从广义的碱催化.Catalysis has increased the rate o...
The killer may have returned to the scene of the crime to cover his tracks.凶手可能曾回到犯罪现场掩盖自己的罪行。Perhaps he has returned for sentimental reasons.也许他是出于情感上的原因才回来的。" I don't know, " returned Carrie, still illogically dri...
Everything along the border has its price: drugs, teak, smuggled goods.边境上所有的东西都有定价，毒品、柚木和走私品无一例外。He smuggled papers out each day, photocopied them, and snuck them back.他每天都把文件偷偷地带出去复印，然后再偷偷地拿回来。The customs officer confi...
New layer added, onto which I airbrushed rough strokes.添加新图层粗略的喷出层次....bits of photographs cut, pasted and then airbrushed to create a convincing whole.把照片的碎片裁剪好后粘贴在一起，然后用气笔修成一个令人信以为真的整体图片...perfect airbrushed bodies.用喷枪...
Cuprous oxide is a type of material called a semiconductor.氧化亚铜是一种所谓的半导体材料.Tin free , polishing antifouling composition with cuprous oxide.含氧化亚铜的无锡自抛光防污涂料.Cuprous oxide and zinc oxide can be recovered from waste copper c...
端午节是三个中国主要节日之一，另两个是春节和中秋节。The Dragon Boat Festival is one of three major Chinese holidays, along with the Spring and Moon Festivals.中秋节快到了.The Mid Autumn Festival is drawing near.嗯, 还有端午节 、 中秋节 、 重阳节等等.Well, there are Dr...
The nutritional lotion softly and moisturizes skin thereby revitalizing tired skin.营养液轻轻伏在脸上,因此恢复疲劳的皮肤的平衡.Buckwheat Bean has a high nutritional and medicinal value.苦荞凉粉具有较高的营养和药用价值.It does sometimes help to know the nutr...