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聚焦电压
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  focus voltage
     There is dependence between e/m error and accelerating voltage or focus voltage in the measurement of e/m by magnetic focusing method.
     在利用磁聚焦法测量电子比荷的实验中,测量误差与示波管的加速电压和聚焦电压存在较大的相关性.
短句来源
     This article has a quantitative analysis with the tool of 6sigma for the reason of bad consistency of convergencein customer's side which are caused by the relatively movement of SP spot that are impacted by focus voltage of 21FS QPFEG.
     本文运用6Sigma工具定量分析了由于21FS彩管QPF电子枪的受聚焦电压影响SP光点位置相对移动,从而导致产品在用户处静会聚一致性差的重要原因。
短句来源
     For instance,in a 21 inch color tube,a 700 V focus voltage variation has 0. 35 mm STCS with the old electron gun,whereas with the new electron gun it results in only 0.0061 mm STCS and no change of the spot size was observed.
     如果聚焦电压变化700V,采用新枪的21英寸彩管的静会聚漂移仅0.006mm,与原枪相比,屏上电子束斑变化很小。
短句来源
     The curves of e/m error with degree of focus, accelerating voltage or focus voltage are analyzed, the reasons of e/m error are pointed out, and the optimum ranges of accelerating voltage and focus voltage are given.
     通过对测量误差与电聚焦程度、加速电压和聚焦电压之间关系的分析,指出了误差产生的原因,给出了加速电压和聚焦电压的最佳取值范围.
短句来源
     Influence of various ion source parameters,such as its emission current,its cathode voltage,and its focus voltage,on the sensitivity of the quadrupole mass spectrometer(QMS),model QMS422,was experimentally studied.
     本文通过改变QMS4 2 2型四极质谱计离子源的发射电流、阴极电压和聚焦电压等参数值 ,测量了质谱计灵敏度的相应变化 ,给出并分析了实验结果。
短句来源
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  focusing voltage
     A stable ion beam,which intensity is 169μA and the proton ratio is 88%,is obtained under the condition of the plate voltage of 575 V,the gas pressure of 7.7×10~(-4)Pa,the extraction voltage of 1.6kV and the focusing voltage of 21kV.
     在575V板压、7.7×10-4Pa气压、1.6kV引出电压和21kV聚焦电压的状态下,得到了束流为169μA、质子比为88%的稳定离子束.
短句来源
     By comprehensive debugging, an stable ion beam with 178μA is obtained under the condition of the plate voltage of 580 V, the gas pressure of 8×10 -4 Pa, the extraction voltage of 1.65kV and the focusing voltage of 21kV.
     经综合调试,在580V板压、8×10-4Pa气压、1.65kV引出电压和21kV聚焦电压的状态下,得到了束流为178μA的稳定离子束.
短句来源
     An stable ion beam with 178 μA is obtained under the condition of the plate voltage of 580 V, the gas pressure of 8×10~(-4) Pa, the extraction voltage of 1.65 kV and the focusing voltage of 21 kV.
     在580V板压、8×10-4Pa气压1、. 65kV引出电压和21kV聚焦电压的状态下,得到了束流为178μA的稳定离子束.
短句来源
     The minimal radius of the trajectory of electron beams is calculated. All in all, the electrical and geometrical parameters of the focusing system are calculated by using the CAD method and FORTRAN language. The focusing voltage of the unipotential lens is about -1960V, the radius of the EB spot on the workpiece is 1.212mm.
     综上所述,本研究采用计算机辅助设计方法,运用FORTRAN语言,编程计算了聚焦系统的电参数和几何参数,得出单透镜的聚焦电压为-1960.V左右,工件上的束斑半径为1.212mm。
短句来源
     The experimental results show that the CRT focusing characteristics can be significantly improved by optimizing the focusing voltage.
     通过实验对比表明 ,用合适的聚焦电压 ,可以取得良好的聚焦效果
短句来源
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  “聚焦电压”译为未确定词的双语例句
     A stable ion beam of 169μA intensity and 88% proton ratio is obtained under the condition of 575 V plate voltage,7.7×10~(-4) Pa gas pressure,1.6kV extraction voltage and 21kV focusing(voltage.)
     结果表明,在575 V板压、7.7×10-4Pa气压、1.6 kV引出电压和21 kV聚焦电压的状态下,可得到束流为169μA、质子比为88%的稳定离子束.
短句来源
     However,the size of electron beam deflected to the edge of screen with large current still increases because of the effects of space charge and over-focus.
     然而随着HDTV的发展,电子束束流和偏转角都越来越大,此时仅靠调节动态聚焦电压不能完全补偿过聚焦以及大束流下空间电荷效应的影响。
短句来源
     RESULTS: Compared with the recommended condition,the profiles were improved by enhancing the voltage of isoelectric focusing,extending the time and desalinizing the samples.
     结果提高聚焦电压增强聚焦及脱盐处理可获得比推荐条件更好的双向电泳图谱。
短句来源
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Multi-helix electrostatic focusing syetems are analysed.The electrostatic field distribution is obtained by means of a particular helix coordinate system.The traje- ctory equation of electrons in this electrostatic field is analysed.The condition of minimal ripple of electron beam and the expressions of focusing voltage and voltage of the inner cylindrical conductor are obtained.The influence of injection conditions on the electron trajectory is discussed.As special cases of the present analysis,bi- filar and...

Multi-helix electrostatic focusing syetems are analysed.The electrostatic field distribution is obtained by means of a particular helix coordinate system.The traje- ctory equation of electrons in this electrostatic field is analysed.The condition of minimal ripple of electron beam and the expressions of focusing voltage and voltage of the inner cylindrical conductor are obtained.The influence of injection conditions on the electron trajectory is discussed.As special cases of the present analysis,bi- filar and quadruple wire helix with and without inner cylindrical conductor are consi- dered.Their general curves are obtained by calculation.

本文分析了多螺旋线静电聚集系统。用特殊的螺旋座标求出了该系统的静电场分布。在此基础上,分析了电子运动的轨跡方程,得出了电子注波动最小的条件,以及相应的聚焦电压 V_f 与中心导体电压 V_1 的公式。分析了注入条件对电子轨跡的影响,得出有中心导体的系统比无中心导体的系统对注入条件要求低。作为特例分析了双螺旋线及四螺旋线静电焦系统,并给出了相应的普适计算曲线。

The technique of isoelectrofocusing (pH4—6, 2000 Ⅴ, 2.5 hr), silver staining and gel laser densitometry was used to separate and purify the phosphorylated myosin light chain (p-MLC) of rabbit myocardium. Pure p-MLC of rabbit myocardium could be obtained within 48 hrs by using this method. Norepinephrina of large dose (2 mg/kg) was used to induce myocardial damage and the relation between myocardial damage and p-MLC was investigated. Rabbit was infused NE for about 60 minutes and killed 48 hrs later, p-MLC of...

The technique of isoelectrofocusing (pH4—6, 2000 Ⅴ, 2.5 hr), silver staining and gel laser densitometry was used to separate and purify the phosphorylated myosin light chain (p-MLC) of rabbit myocardium. Pure p-MLC of rabbit myocardium could be obtained within 48 hrs by using this method. Norepinephrina of large dose (2 mg/kg) was used to induce myocardial damage and the relation between myocardial damage and p-MLC was investigated. Rabbit was infused NE for about 60 minutes and killed 48 hrs later, p-MLC of rabbit heart (wet weight 200mg) decreased remarkably(from 61.07±6.97% to 35.40±5.37%, p<0.01)after NE. In this NE-induced myocardium damage model, regitine(10mg/rabbit) infusd before NE could keep p-MLC at normal level (66.43±8.43%), but propranolol(1mg/kg) infused before NE could not block the effect of NE (p-MLC: 36.40±4.05%). It is concluded that change of p-MLC by NE may be through alpha-receptor but not beta-receptor, and cardiomyopathy caused by NE is also through alpha-receptor

应用水平平板等电聚焦(电压2000V,时间2.5h、pH 4~6)、银染和凝胶光密度扫描相结合的一种新方法,研究去甲肾上腺素性心肌损伤兔心肌肌球蛋白轻链磷酸化(P-MLC/MLC×100%)的改变及α、β受体阻滞剂对该改变的影响。结果表明,去甲肾上腺素(NE,2mg/kg)显著降低心肌的P-MLC/MLC(P-MLC/MLC为35.40±5.37%;对照组为61.07±6.97%,P<0.01),酚妥拉明(10mg/只)可保护心肌P-MLC 66.43±8.43%,而普萘洛尔则无此作用(P-MLC/MLC为36.54±4.05%)。

The spot size at the edge of color picture screen is larger than the size that at the center. To copy with this problem, some experts proposed the dynamic astigmatism and focus (DAF)gun. However,the size of electron beam deflected to the edge of screen with large current still increases because of the effects of space charge and over-focus. This paper studies the reasons influencing deflection defocusing, and proposes a new way to improve the quality of electron beam deflected to the edge of screen. In the new...

The spot size at the edge of color picture screen is larger than the size that at the center. To copy with this problem, some experts proposed the dynamic astigmatism and focus (DAF)gun. However,the size of electron beam deflected to the edge of screen with large current still increases because of the effects of space charge and over-focus. This paper studies the reasons influencing deflection defocusing, and proposes a new way to improve the quality of electron beam deflected to the edge of screen. In the new method, incident angle varies with the deflection angle, so radius of deflected beam can be decreased while space charge effects and over-focus are taken account in. It is shown the size of deflected beam decreased 15% by the new method.

彩色显像管中,电子束经偏转系统偏转后在屏的边角处的尺寸比中心部分尺寸大。为了解决偏转散焦,日本松下公司推出了DAF枪。然而随着HDTV的发展,电子束束流和偏转角都越来越大,此时仅靠调节动态聚焦电压不能完全补偿过聚焦以及大束流下空间电荷效应的影响。本文研究了大束流、大偏转角情况下造成偏转散焦的原因,提出在调节动态聚焦电压的同时适当改变电子束进入主聚焦透镜的入射角,从而改善电子束经偏转后的上屏质量。

 
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