The formulae of 3 rd order quadrupole aberrations are derived with Lie-algebraic map.
用Lie代数方法推导了四极透镜的三阶像差 。
ON ABERRATION THEORY OF THE COMBINED ELECTROMAGNETIC FOCUSSING CATHODE LENSES
关于电磁复合聚焦阴极透镜的象差理论
ON THE ABERRATION THEORY FOR WIDE AND NARROW ELECTRON BEAMS IN A COMBINED ELECTROMAGNETIC FOCUSING SPHERICAL CATHODE LENS SYSTEM
宽束和细束电磁复合聚焦球面阴极透镜的象差理论
beam penetration cathoderay tube
电子束穿透式阴极射线管
the source of electrons in a cathode-ray tube or electron microscope; consists of a cathode that emits a stream of electrons and the electrostatic or electromagnetic apparatus that focuses it.
在阴极管或者电子显微镜中的源极电子。
An image of the object is projected by the object lens on to the photocathode of an image converting tube.
物象通过物镜投影在变像管的光阴极上。
An image of the object is projected by the objective lens on to the photocathode of an image convert tube.
物象通过物镜投影在变象管的光阴极上。
Application of RO(Reverse Osmosis)Method in Cathodic Electrophoresis Coatings
RO反渗透制水在阴极电泳涂装中的应用
a concave lens [mirror]
凹透镜 [凹面镜]
meniscus (shaped) lens
凹凸透镜，弯月形透镜
aplanat [aplanatic] lens
消球差透镜，齐明透镜
cold cathode lamp
冷阴极电子管,冷阴极灯
Containing or producing the type of electric charge carried by electrons
（电）阴极的，负极的
With a microscopic examination,it was showed that two strains were all Gram negative,short rod bacteria with a single polar flagellum。
镜检结果表明，两个菌株均为极生单鞭毛的革兰氏阴性短杆形细菌。
In this paper, the microstructures and components of the carbonized La-Sc-Mo cathode are analyzed through SEM with EDXA.
采用扫描电镜对碳化镧钪钼阴极进行显微组织结构和成分分析。
air-spaced doublet
双不胶透镜; 双分离透镜; 双分透镜; 空气隙双合透镜; 分离式双透镜
Its practicality effective aperture ratio has been improved to about92.8%, consequently the concen-tration efficiency of microlens array is increased.
其实测有效孔径比可达到92.8%极大提高了微透镜阵列的聚光效率。
The principle of the atom lens using a hexapole magnetic field and its aberration has been discussed.
分析了由六极磁场构成的原子束磁透镜的原理及像差。
Detecting Earth-like Extra-solar Planets from Antarctica by Gravitational Microlensing
从南极洲用微引力透镜技术探测太阳系外类地行星