束点

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束点束点
  1. 以阴极射线管(CRT)为例,研究了在不同发射电流下空间电荷效应对荧光屏上电子束点大小的影响。

    Setting Cathode Ray Tube ( CRT ) as an example , this paper gives an overview on how space charge effect influences electron beam spot size on the screen with respect to different cathode current .

  2. 电子枪发射系统对上屏束点的影响

    Influence of Triode System of Electron Gun on Spot Size

  3. 并用散射的方法扩大靶上的束点。

    Third , the beam spot size on target is increased by using a diffusing foil .

  4. 本文研究了一种补偿目标横向机动时激光驾束三点法导引动态误差的方法。

    The method of compensation for dynamic error in three point guidance for transversely maneuvering targets was studied .

  5. 仿真结果表明,此弹道修正方案可以有效地补偿激光驾束三点法导引中由目标横向机动引起的制导动态误差。

    Results of simulation showed that the dynamic error in three point guidance for transversely maneuvering targets can be effectively compensated with the trajectory amendment scheme .

  6. 对于表面蒸镀导电膜和未镀导电膜的试样所进行的实验表明,电子束轰击点的钠含量随轰击时间而增加。

    Measurements performed on samples with or without con-ductive coating film showed that the sodium content at the points bombarded by electronbeam increased with time of bombardment .

  7. 结论利用立体定向技术,选择内侧前脑束为靶点,可建立6-OHDA大鼠PD模型。

    Conclusion PD rat model was successfully established by injection of 6-OHDA with the stereotactic technique .

  8. 风扇马达电线束在12点的位置

    Fan motor harness at 12 o'clock position

  9. 本文是在高斯平面上探讨有序直线束外一点在该直线束上投影的几何性质。

    This paper traces the geometric property of projectiveties of a point on an ordered line pencil on Gauss plane .

  10. 正方形小孔方阵夫琅禾费衍射光强分布用相干激光束曝光孔点阵列图形的几种方法

    Fraunhofer-diffraction Light Intensity Distribution of the Square Apertures Arranged as Phalanx ; Methods for patterning hole or dot arrays with coherent laser beams

  11. 给出了计算任意形状曲线涡束在研究点(点与涡束在同一平面内)诱导速度的简单表达式,并举例做了说明。

    A simple integral expression of induce velocity calculation for arbitrarily shaped planar curve vortex bunch is given , when the observation point is in same plane as the vortex bunch , and examples are showed .

  12. 该算法用理论数据与激光束在相应点的实际数据进行比对,制成校正表,按插值算法校正实际的枕形畸变及其它误差。

    This algorithm is to work out the correction table by using the theoretical data to contrast with the real data of the corresponding points in laser beams so as to correct the pillow-shaped distortion and other errors in terms of the interpolation algorithm .

  13. 分子束外延InAs量子点材料的透射电子显微镜研究

    Study of Molecular Beam Epitaxy InAs Multilayers Dots by TEM

  14. 修理右后轮速度感知器电线束的代码设定点。*

    Repair the RR wheel speed sensor harness at the point where the code set .

  15. 粒子束辐照,将点缺陷引入合金,会对马氏体相变产生影响;点缺陷和化学无序积累到一定程度,还会诱发扩散型晶体→非晶体转变。

    Ion beam irradiation can affect the martensitic transformation and induce the amorphous transition by production , accumulation of defects and atomic disordering in alloys .

  16. 致密细胞团内间充质细胞富含微丝束和细胞连接点或发生细胞膜融合有助于流出道嵴的融合。

    Mesenchymal cells of the condensed cell mass contain plenty of microfilament bundles and focal contacts or membrane fusion , which contribute to the ridges fusion .

  17. 这张光辉的脸还远远地对着那只动荡的船甲板投射出了一束光芒,有点象是那块现在嵌在“胜利号”(“胜利号”

    and this bright face shed a distant spot of radiance upon the ship 's tossed deck , something like that silver plate now inserted into the Victory 's plank where Nelson fell .

  18. 体外预应力混凝土结构是后张法无粘结预应力结构的分支,预应力束仅在锚固点和转向块处与混凝土梁结合。

    External prestressed concrete structure is the branch of the unbonded prestressed concrete structure . In external prestressed structure system , the place of the changes block and the anchor relative to the section of concrete beam is invariable .

  19. 用数字式多通道信号发射系统产生多路数字信号,通过改变每路信号的时延(相位),控制相控阵换能器的各个阵元,使它们发出的声束在空间某点聚焦。

    The system consists of a digital multi-channel transmitting circuit and two kinds of ultrasonic phased array transducers . Sound beams , produced by the array elements , can be focused onto a point by using this digital transmitting circuit to control the signal phase of each channel .

  20. 测量强化玻璃中应力分布的光学技术对于典型的强化玻璃,激光束射入和射出点之间的距离量级为几十厘米,而且对其所经历的应力分布是十分灵敏的。

    A new Laser Technique to Measure the Stress Profile in Tempered Glass For a typical piece of tempered glass , the distance between the entry and exit points is of the order of a few tens of centimeters and is highly sensitive to details of the underlying stress distribution .

  21. 目的用TLD核查在非参考条件下,光子束轴向和电子束轴向最大剂量点处,剂量随深度、距离、照射野和45°楔形板等变化的临床剂量学参数研究。

    Objective To study on quality audits of clinic dosimetry parameters with TLDs for photon dose on beam axis and the maxima depth doses of high energy electron beams , testing the dose variation with depth , distance , field size and 45 ° wedge in non-reference conditions .

  22. 基于3DRadon变换的性质和三维锥束CT精确图像重建的一般公式,提出了一种在锥束源点轨迹给出之后确定物体精确重建域(ERR)的方法&Radon壳图解法。

    This paper presented a new method , the Radon shell graphic method , it was based on the property of Radon transform and the general formula for the exact 3D CT image reconstruction from the cone beam projection .