Two apparatuses, open ion source and closed ion source quadrupole mass spectro meter(QMS), and their calibration are introduced in the paper.
对开放式离子源四极质谱计和封闭式离子源四极质谱计实验装置进行了标定 ,并用其对氚靶中3 He释放进行了测量。
A pulse current sealing method for an anodic film on aluminum alloy;
铝合金阳极氧化膜双向脉冲封闭工艺
Investigations of the Synergism between Cerium Salt and Lithium Salt in the Sealing of Anodized Film of Aluminum;
铈、锂盐对铝阳极氧化膜的协同封闭作用
Techniques used for sealing of anodized aluminumand aluminum alloys;
铝及铝合金阳极氧化膜的封闭技术
Occluding or tending to occlude.
封闭的封闭的或倾向于封闭的
(8) To close down the New China Daily.
（八）封闭《新华日报》；
A fitted covering used to seal a well or large pipe.
封闭盖用以封闭井或大管子的盖子
Preparation of Blocking Isocyanate and Study on the Unblocking;
封闭异氰酸酯的制备及其解封闭研究
A Comparative Study of the Sealing Ability of Three Root Canal Sealers in Vitro;
三种根管封闭剂根尖封闭性能的比较
Apical sealing ability of root canals filled with nanosealer
纳米根管封闭剂根尖封闭能力的研究
Scanning electron microscopic study on the penetration and adaptation of enameloplasty sealant technique(est)
窝沟封闭剂的封闭性的临床效果评价
closed electrical operating area
封闭的电气操作区域
heated and/or cooled enclosed location
升温和[或] 降温封闭场所
any large dark enclosed space.
巨大黑暗的封闭空间。
unenclosed metal junction
没有封闭的金属接点
display processor loop
显示处理机封闭系统
Transalem closure
特兰斯埃伦封闭装置
closed barge carrier system
封闭式驳船货运系统
closed temperature measuring device
封闭式温度测量装置
closed container mechanically ventilated
封闭式机械通风集装箱
semihermetically sealed condensing unit
半封闭式压缩冷凝机组
totally enclosed chlorine store
全封闭式氯气贮存室