本文系统地描述了强流表面电离离子源的工作原理和结构。
The working principle and structure of a surface ionization ion source with high current is described systematically.
归纳表明,表面电离质谱和电子轰击电离质谱中分别有50个和77个质荷比处发生谱峰叠加。
The results show that there are 50 and 77 mass charse ratios where the overlap interference of spectrum peaks may occur respectively in surface ionization …
归纳表明,表面电离质谱和电子轰击电离质谱中分别有50个和77个质荷比处发生谱峰叠加。
The results show that there are 50 and 77 mass charse ratios where the overlap interference of spectrum peaks may…
为了达到最大效率,表面活性剂必须高度电离。
For maximum effectiveness, the surfactant heads should be highly ionized.
超过此密度后,微波场在表面快速衰减,气体电离主要在表面进行。
Above this density, microwave field will damp rapidly, so the gas ionization is mainly on the surface.
透气的电离表面增加了铯蒸汽的流量,避免了流动缓慢区的形成,并减少了污染。
A ventilated ionization surface can increase the cesium flux, avoid the formation of stagnant region and reduce the pollution.
各种金属或金属合成靶材被带电离子撞击,造成金属原子成为自由粒子沉积在上面的聚酯薄膜的表面。
Various metal or metal the material composing a target is collide with by electrified ion is brought about the metal atom becoming the free particle deposition surface in mylar above.
当一个大质量原星接近主星序时,它的表面温度是低的,因而不能电离周围的气体。
When a massive proto-star approaches the main sequence, its surface temperature is low and it can not ionize the ambient gas.
由于电离层会把这些频率的无线电波反射回地球表面,所以数百上千公里以外的接收器可以检测到它们。
Because radio waves of these frequencies are reflected back to the Earth's surface by the ionosphere, they can be detected by receivers hundreds of miles away.
钨极氩弧焊是通过工件表面和电极之间气体的电离和电子的发射来引弧的。
To strike an the arc, electron emission and ionization of the gas is initiated by withdrawing the electrode from the work surface in a con trolled manner, or with the aid of an initiating arc.
电离层频率调制导致地表面杂波的多谱勒展宽,极大地限制了高频天波雷达的目标探测性能。
Ionospheric frequency modulation causes spreading of the surface clutter in Doppler domain which greatly limits the detection performance of HF sky-wave radars.
本文研究了辉光放电离子轰击钎焊时阴极溅射现象对工件表面的净化作用。
The surface cleaning action, caused by the cathode sputtering phenomenon in ion bombardment brazing in glow discharge is investigated in this paper.
本文研究了辉光放电离子轰击钎焊时阴极溅射现象对工件表面的净化作用。
The surface cleaning action, caused by the cathode sputtering phenomenon in ion bombardment brazing in glow discharge is investigated in this paper.
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