The alternative use of buffered silica gel resulted in modest hydrolysis ( ~5 - 10 % ) of the imine.选用温和的水解导致缓冲硅胶 ( ~ 5-10% ) 的亚胺.The reaction should be buffered to a pH of between 6 and 11.应使反应缓冲到pH值为6～11.The drug buffe...
她是他生命的甘露春雨, 是他崇拜的对象.She was the great bath of life, he worshipped her.怀特洛先生的仁慈就会象甘露一样从天而降.Mr. Whitelaw's benevolence would descend like soothing balm.水 、 丙烯晴和半乳甘露聚糖胶,同碱金属氢氧化物在一起,加入到反应器中.Water, acrylonitrile and the ...
A few whiffs of the raw , strong scent of phlox invigorated her.福禄考花的缕缕新鲜、浓重的香味使她充满活力.He took a few whiffs, ie of a cigar, pipe, etc.他吸了几口(雪茄 、 烟斗等).A few whiffs of this gas and she'll fall a sleep.吸进几口这种气儿,她就会昏睡过去....
Crystals having this property are said to be doubly refracting , or birefringent.具有这种性质的晶体叫做双折射晶体.In pregnancy a high fibre diet is doubly important...在孕期,含高纤维素的饮食越发地重要。She now felt doubly guilty; she had embarrassed Fra...
They dish out clean towels on Monday.星期一他们分发毛巾.Ann's mother asked her to dish out the beans.安的母亲叫她夹豆子给客人.Wow, that vice president guy can sure dish out the guff!哇, 那位副总统肯定又滔滔不绝地讲一大堆废话....
I tried again to get ahold of my cousin Joan.我再次尝试联系我的表妹琼。Her cousin, a hairdresser, was perming her hair as a special treat.她表兄是美发师，正在免费给她烫发。George ducked out of his forced marriage to a cousin.乔治逃脱了和他表亲的包办婚姻。...
通用柴油动力火车头将车厢转轨到了4号月台。The GM diesel engine shunted the coaches to Platform 4.他坐在一节二等车厢的角落里。He sat in the corner of a second-class carriage.当火车驶进巴斯尔登站时，一节车厢的门撞到他了。A carriage door struck him as a train drew into Basildon st...