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电子微分
相关语句
  electronic differentiation
     Electronic Differentiation Device For Derivative Absorption Spectrometry
     导数吸收光谱的电子微分装置
短句来源
  “电子微分”译为未确定词的双语例句
     Two-Dimensional Numerical Analysis of Negative Electron Differential Mobility FETS
     负电子微分迁移率场效应管的二维数值分析
短句来源
     By discussing the effects from the accelerator head, which contain the angular distribution and energy spectrum of incident electron, the bremsstrahlung, and the effects from the beam divergence, SSD variation and small field, this work has improved the HPBM.
     将扩散电子的微分注量分布函数离散化后,可以利用Lax一Wondroff格式或特征线方法来获得扩散电子微分注量分布的数值解。 在分别获得向前电子和扩散吧子的微分注量分布后,就可以进一步获得我们所需要的电一J二的输运参数,如角分布、能谱、能量沉积等。
短句来源
     In a conventicnal FET,the high frequency currentflowing in the channel is attenuated by the R-C effect of the channel resistance andside capacitance. In a GaAs VCFET,however,the high frequency current amplitudewill be enhanced along the channel,when the channel electric field intensity is socontrolled that the electron differential mobility is negative,thus,obtaining a three-terminal negative resistance amplifier with very high critical frequency.
     在通常的场效应管中,高频电流通过沟道时将因沟道电阻及其侧面电容的 R C效应而衰减,但是在一只 GaAs变截面场效应管中,当控制沟道场强使得其中的电子微分迁移率取负值时,高频电流振幅将沿着沟道递增,从而得出一种三端负阻放大器,其极限频率是很高的.
短句来源
     In this paper the effect of colouring temperature, colouring time and particularly heattreatment on the colouring of plate glass by silver diffusion has been reported. XPS,AES andEDAX were used to study the composition of the coloured layer and the state of colouringmaterial in plate glass.
     本文研究了温度、时间、特别是热处理操作对平板玻璃的银扩散着色效果的影响,并用光电子能谱(XPS)、俄歇电子能谱(AES)和电子微分分析(EDAX)等方法,对着色层的元素组成和着色物质的存在状态进行了研究。
短句来源
  相似匹配句对
     Electronic Differentiation Device For Derivative Absorption Spectrometry
     导数吸收光谱的电子微分装置
短句来源
     The Management of Electronic Information Resources
     电子信息资源管理
短句来源
     An Electronic Monthly Ticket
     电子月票
短句来源
     ON DETERMINATION OF THE TOTAL ELECTRON CONTENT FROM OBSERVATION DATA OF DIFFERENTIAL DOPPLER MEASUREMENT
     从微分多普勒观测数据确定电离层总电子含量
短句来源
     The Pattern of Differential
     微分模式
短句来源
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  electronic differentiation
Using electronic differentiation of the current time curve the enzyme activity is directly available.
      
Electronic differentiation of the integrated volumes (bladder filling volume minus micturition volume equals residual urine volume).
      
Eye and table velocity were measured by electronic differentiation of the eye and table position signals.
      


A new construction of FET with slow variation channel "cross-section" (conduc-tivity) is proposed in this paper.In a conventicnal FET,the high frequency currentflowing in the channel is attenuated by the R-C effect of the channel resistance andside capacitance.In a GaAs VCFET,however,the high frequency current amplitudewill be enhanced along the channel,when the channel electric field intensity is socontrolled that the electron differential mobility is negative,thus,obtaining a three-terminal negative resistance...

A new construction of FET with slow variation channel "cross-section" (conduc-tivity) is proposed in this paper.In a conventicnal FET,the high frequency currentflowing in the channel is attenuated by the R-C effect of the channel resistance andside capacitance.In a GaAs VCFET,however,the high frequency current amplitudewill be enhanced along the channel,when the channel electric field intensity is socontrolled that the electron differential mobility is negative,thus,obtaining a three-terminal negative resistance amplifier with very high critical frequency.

本文提出了一种具有渐变沟道“截面”(电导率)的新型场效应管.在通常的场效应管中,高频电流通过沟道时将因沟道电阻及其侧面电容的 R C效应而衰减,但是在一只 GaAs变截面场效应管中,当控制沟道场强使得其中的电子微分迁移率取负值时,高频电流振幅将沿着沟道递增,从而得出一种三端负阻放大器,其极限频率是很高的.

A differentiator constructed with high input impedance operational ampli-fiers was described.It consists of a synchronizing input circuit,delayed unit,gene-rator of triangular wave and a differenfiator,The differential time constant is20μs, 50μs,100μs,200μs,500μs,1ms,2ms,5ms,10ms,20ms and 50ms.Therates of voltage change used for calibration are 200v/s,100v/s,50v/s,20v/s,10v/s,5v/s,2v/s,1v/s,0.5v/s,O.2v/s and 0.1v/s.The differentiator is used in bio-medical studies.

本文介绍了一个用国产高输入阻抗运算放大器制成的生物医用电子微分器。电路由同步输入、延时、三角波发生器、微分单元和滤波单元组成。微分时间常数20μs—50ms;校正电压变化率±0.1v/s—±200v/s;延时20μs—10s。微分器可为外来正脉冲触发,也可手动触发,它已用于微分心肌细胞动作电位、心腔压力等多种生物讯号。

In this paper the effect of colouring temperature, colouring time and particularly heattreatment on the colouring of plate glass by silver diffusion has been reported. XPS,AES andEDAX were used to study the composition of the coloured layer and the state of colouringmaterial in plate glass. The results showed that the effective eomponent in colouring agent isAgO before heat treatment, which then changes into metallic silver after heat treatment. Theshade of coloured glass got deepened probably due to the particle...

In this paper the effect of colouring temperature, colouring time and particularly heattreatment on the colouring of plate glass by silver diffusion has been reported. XPS,AES andEDAX were used to study the composition of the coloured layer and the state of colouringmaterial in plate glass. The results showed that the effective eomponent in colouring agent isAgO before heat treatment, which then changes into metallic silver after heat treatment. Theshade of coloured glass got deepened probably due to the particle growth of the colloidal sil-ver after heat treatment.

本文研究了温度、时间、特别是热处理操作对平板玻璃的银扩散着色效果的影响,并用光电子能谱(XPS)、俄歇电子能谱(AES)和电子微分分析(EDAX)等方法,对着色层的元素组成和着色物质的存在状态进行了研究。结果表明,在未经热处理的着色玻璃表层中,着色物质以AgO的形式存在;热处理以后,着色物质以金属银的形式存在,颜色变深则可能是由于胶态银粒长大所致。

 
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