包括磁带驱动器 、 磁头和相应控制器的一种装置.A device containing a tape drive, magnetic head, and associated controls.程序控制器是色谱仪的关键部件.The programmer forms the heart of the process chromatograph.一种含有三个离散输出值的多位置控制器.A multiple - position control...
Equipped with special cartwheel, protect the road without damage.使用了特制的车轮, 保护洁净区自流坪地面不被损坏,不留痕迹.All roams are equipped with electric heaters to keep indoor temperatures constant at 15 - 2.0.所有的房间都装备有电炉以保持室内撮氏15 - 20度的常温.T...
到了20世纪30年代，手表几乎完全取代了怀表。By the 1930s the wristwatch had almost completely supplanted the pocket watch.“ 5点1刻, " 她身边的伙伴看了看一只精致的敞面怀表,说道." A quarter after five,'said her companion, consulting an elegant, open - faced wa...
应提倡温和碱性洗脱剂方法的探索.The development of Methods: That involve moderately alkaline eluents should be encouraged.脱脂奶粉是廉价的蛋白质洗脱剂.Nonfat dry milk is an inexpensive proteinaceous eluent.早期纯化这类抗体是用稀酸或稀碱洗脱.In early purifications of ...