比色法涉及氟离子对预先形成的颜色的消色作用.The colorimetric methods involve the bleaching of a preformed color by the fluoride ion.用香草醛-冰醋酸比色法测定西洋参中总皂甙的含量.The content of ginsenoside in Panax quinquefolium L was determined by colorimetry.方法: ...
The makers, Alliant Techsystems , say that the weapon will revolutionise ground combat much as the machine gun.其制造商是 阿利安特 技术系统公司.该公司称, 这种武器将给地面作战带来的巨变不亚于机关枪....
He sent his work to his publishers by modem.他通过网络把作品发给了出版商。Seventeen publishers rejected the manuscript before Jenks saw its potential.17家出版社回绝了这部手稿，直到詹克斯看到了它的潜在价值。Please write to me care of the publishers.写给我的信请由出版商收转。...
Embryogenic suspension cell is ideal material of protoplast culture of gramineous plants.胚性悬浮细胞是禾谷类作物原生质体培养的理想材料.Wild rice stem belongs to herb of marsh of gramineous vivacious perennial root.茭白属于禾本科多年生宿根沼泽草本植物....
When this stage is reached then the hindrances and karma are overcome.唯此状态达到后,则超越阻碍和因果.The hindrances to obtaining these good qualities are the defilements as hatred so on.障碍我们得到这些良善品质的是象嗔恨等的各种染污.Good will opens the gate...
Some people don't catch his deadpan humor, that makes it even funnier.有些人不能了解他那种无表情的幽默, 因此更有趣.I gave him a deadpan look said, so much I walked upstairs.我面无表情地瞪了他一下说道, 说完我就快步上楼去了.When you come on stage, look like a d...
He retires next January.他明年一月退休。She retires early most nights, exhausted.她大多数晚上都觉得精疲力尽，很早就睡了。Peter will take over as managing director when Bill retires.比尔退休时将由彼得接任总经理一职....