另外, 还讨论了苯甲醚类 、 二联苯恶二唑类、联苯胺类与 氮杂 类等新型双恶唑啉配体的合成.Besides, the synthesis of diphenyl ether, diphenyl oxadiazole diphenyl amine and aza - bis ( oxazolines ) is also discussed.以3,3′-二氨基联苯胺为显色剂, 研究了分光光度法测定有机物中的微量元素硒.Using 3,3� ...
墙上镶嵌的图画都是价值连城的珍品.In the walls were set pictures of inestimable art.地上都有五彩云石镶嵌的怪兽异禽.The floors were laid in fanciful figures wrought in mosaics of many - coloured marbles.你能取出镶嵌的刀并换掉他们 吗 ?Can you take out the blade insert...
He tries to resume work and then falls into the bobbins.他想接着干活儿,却一下子倒在筒上.Great loads of spooling, reduce the amounts of bobbins.大容量收线, 减少收线盘数量.Tom, this is Mary Bobbins . She's just come over from sales.汤姆, 这是玛丽·罗宾斯...