电子束

The epitaxial growth of Er_2O_3 films has been achieved on Si(001) and Si (111)substrates by MBE at the growth temperature of 700 ℃in an oxygen pressure of 7×10~(-6) Torr.

使用电子束外延的方法在p型Si(001)和Si(111)衬底上，在700℃、7×10-6Torr的条件下首次实现了Er2O3单晶薄膜的生长。

A transmission grating with an area of 1 mm × 1 mm, a pitch of 300 nm, and a gold thickness of 1 μm for X-ray imaging and microscopy is successfully fabricated by combining electron beam lithography, X-ray lithography, and electroplating.

利用电子束光刻、X射线光刻和微电镀技术，成功制作了面积为1 mm×1 mm，周期为300 nm，金吸收体厚度为1 μm的用于X射线显微成像的透射光栅。

Additional tremolo positions of Eb and F are possible by further adjustment of the spring tension knob.

电子束附加颤音的立场和F是可能由弹簧张力旋钮进一步调整。

Aiming at the real-time monitoring the temperature field of VEBB, there is introduced the method that rebuilds the temperature field of welding by applying the digital image processing technology based on the tricolour method and color CCD.

针对真空电子束钎焊温度场的实时监测，讨论了基于彩色CCD的焊接温度场三基色测温方法，运用数字图像处理技术得到焊接温度场分布。

It works as a electronie from a set of linear cathode once issued, through the uniform electric field acceleration, in Accelerator box under 帘状 electron beam.

其处事道理为：电子从一组线形阴极不板不收回后，不纬过笔直平均电场放慢，在放慢器辐照箱下得回帘状电子束。

In order to deflect the electron beam about 180° or 270° to heat metal, magnetic field was calculated and the magnet iron was designed to generate the adequate uniform magnetic field.

为使电子枪形成的电子束偏转180°或270°来加热金属，又进行了线圈磁场的理论计算，并采用等B磁铁设计，产生满足要求的均匀磁场。

On the basics of chapter three, a new scheme of photon acceleration by which the large amplitude nonlinear density perturbation excited by a finite length driving beam in plasmas is used to upshift the frequency of an ultrashort laser pulse.

第四章在第三章研究基础上，提出一种新的光子加速机制，即，利用有限长电子束激励的大振幅非线性等离子体电子密度扰动来对入射的光脉冲进行加速。

A numerical method is presented to analyze the discharge process of REB accelerator with Blumlein forming line. This method can deal with the conducting delay of the gas switch and the impedance variation of the vacuum diode during the discharge process. We calculated the voltage waveform on the diode.

提出的分析强流电子束加速器放电过程的方法可对具有导通时延的气体开关、Blumlein脉冲形成线、阻抗非恒定的真空二极管负载组成的放电系统进行数值计算，所得负载上电压波形能较好地与实验符合

Electron-beam irradiation induces the curvature of surfactant-inorganic layers system, leading to vesiculation of hybrid of surfactant and calcium phosphate.

观察表明在电子束诱导下，介层结构演变为空心的囊泡结构，我们初步提出了囊泡介结构磷酸钙盐材料的形成机制。

300Gy was effective dosage for the control of maize weevil both for adults and immature stages in the seeds.

0Gy电子束辐照剂量可以作为辐照有效防治玉米象的剂量。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐