提出了一种干柱层析法 分离提纯 试剂对氨基偶氮苯的新方法.A new method for separating and purifying p - AAB ( p - aminoazobenzene ) by dry - column chromatography is developed.偶氮苯侧链液晶聚合物.Azobenzene side - chain liquid crystalline.必须通过偶氮,(苯)酚类,有机氯试剂,...
Extrusion System: frequency variable motor, cycloidal pin gear speed reducer and high qualitynitrifiedfeed cylinder screw.挤出系统: 变频调速电机 、 摆线针轮减速箱加优质氮化料筒罗杆.It was so still you could have heard a pin drop.这是那样的寂静, 连一根针落地的声音...
我们一直在创造独特的大理石, 花岗岩石洗手盆.We have been creating unique marble, granite and stone wash basins.这反映了玻璃洗手盆由梅特兰-史密斯为今天的主人套房重新夺回的心情.This mirrored - glass vanity by Maitland - Smith recaptures that mood for today's master sui...
要尽量客观地分析情况，尤其是在工作上。Try to view situations more objectively, especially with regard to work.他冷静、客观地摆出了事实。He sets out the facts coolly and dispassionately.退一步，客观地看待这个问题。Stand back and look objectively at the problem....
As you can see behind me, the vehicle is a light - colored sedan.在我身后你能看见, 这是一辆浅色的私家车.Sunlight bounces off the light - colored surface, so It'stays cool on hot days.阳光反射表面看起来教浅的颜色, 所以在热天仍保持凉爽.Anthelmintic packaging,...