An electron has a negative charge, a proton has a positive charge.

In other words, the electron can spin either one of two opposite directions.

换言之, 电子能够绕着两个相反方向中的任意一个自转.

Electrode surface analysis is carried out by using Electron Spectroscopy for Chemical Analysis ( ESCA ) system.

对电极表面进行了X- 光电子能谱(ESCA ) 分析.

Electron micrograph ofplasmid pCBI shows the new plasmidis 5.77±0.30μ m in length equivalentto 11.9×10~6 dalton.

电镜观察到环状pCBIDNA并 测得其长度为5.77±0.30微米,折合分子量为(11.9±0.6)×10~6道尔顿.

Operates simply , the electron counts.

操作简单,电子计数.

After this interview, I learned about electron mobility.

通过这次访问, 我了解到电子迁移.

The chance that an electron absorbs more than one photon is negligible.

一个电子吸收一个以上的光子的机会是极少的.

It was the possibility that the electron could pass through either slit that caused the interference.

正是电子可能通过双缝中任意一个狭缝的可能性产生了干涉图样.

Electron beam curing: A system to provide fast curing of conventional oxidation drying inks.

电子束固化: 把惯用的氧化干燥油墨快速固化的系统.

Finally, electron beam modification technology of cast alloy is introduced.

介绍了铸造铝合金的电子束改性技术.

Technique of mutation breeding in gladiola was studied by means of electron beam.

用电子束辐射唐菖蒲种球,研究唐菖蒲的诱变育种.

New Equipment for Surface Modification of Material —— High-current Pulsed Electron Beam System ( Electron Cannon )

一种新型的材料表面改性装置 —— 强流脉冲电子束 ( 电子炮 )

EB inks is the electron beam energy to curing the WGT.

EB油不朱是拔取电子束能量举行固化的兼用油不朱.

The effect of divergence of the incident electron beam on the gain of FEL is analysed.

分析了入射电子束的发散性对自由电子激光器增益的影响.

Its comprehensive coverage focuses on electron beam welding of steels and alloys.

它的广泛报导集中在钢与合金的电子束焊接.

The temperature distributions during electron beam welding using the double-beam technique were analyzed numerically and experimentally.

结合数值模拟和实验,研究了双束电子束焊接过程的温度场.

Using methods like electron beam melting or selective laser sintering.

使用方法如电子束熔炼或选择性激光烧结.

As the beams are stably trans-ported , an energy 10.4 MeV, current 2.6 kA, 100 ns ( FWHM ) intense electron beam can be obtained.

当束稳定输运时, 可获得束能 10.4MeV,束流强度2.6kA, 束半高宽约100ns的强流脉冲电子束.

Methods: The nature HA films were prepared by electron beam evaporation and rf-magnetron sputtering techniques.

方法: 用电子束蒸发和射频磁控溅射两种技术制备了天然HA薄膜.

Y 2 O 3-doped ZrO 2 films were deposited on SiO 2 substrates using high vacuum electron beam evaporation temperature.

采用电子束蒸发法在室温下制备出掺钇二氧化锆薄膜.

On the " Penetration Effect of Electron Cloud "

评 “ 电子云的钻穿效应 ”