查询词典 collimator

In addition, Compton scatter was the major in teraction of photon with the final collimator.

对于光子的散射，又以康普顿散射为主，其它散射所占的份额很小，并且在准直器孔径内主要的是一次散射。

Measuring the focal length of concave lens using collimator;2. The relation between the focal length of a concave lens and its reflective image properties is analysed and deduced.

本文分析推导了透镜的凹面反射成像与凹透镜焦距的关系，介绍了利用此关系较方便地测量凹透镜焦距的方法。

The collimator neutron flux is drawn from the horizontal channel by the use of SPRR-300 as a neutron resource. The convector made of 6LiFZnS and the long focus professional twilight lens with the small field of view are used, and the digitalized CCD camera is developed by the use of scientific grade CCD chip, the double thermocouple refrigeration and 14bit A/D convector. The image grabbing, processing and analyzing software of double bytes has been developed by the use of Visual C++ and C++ Builder, and the facility of anti-radiation for CCD is set up.

采用6LiFZnS材料中子转换屏、长焦距、小视场专用微光镜头等光学组件，利用科学级CCD芯片、两级热电偶制冷技术、14bit模数转换技术研制了数字CCD摄像机，采用Visula C++和C++ Builder为工具，开发了双字节图像采集处理分析软件包，并设计了成像系统辐射防护装置，构成了热中子数字成像系统。

If the collimator cross hair does not center or does not lie at all in the video window, the additional optics

如果瞄准仪的十字叉丝不在中央或者不在全视场，附带的自准直光学系统可依靠测微螺旋来调节。

The passive beam delivery system in the superficially-placed tumor therapy terminal at Heavy Ion Research Facility in Lanzhou, which includes two orthogonal dipole magnets as scanning system, a motor-driven energy degrader as range-shifter, series of ridge filters as range modulator and a multileaf collimator, is introduced in detail.

详细介绍了兰州重离子研究装置浅层肿瘤重离子治疗终端的被动式束流配送系统，对该束流配送系统重要组成部件及其整体的性能进行了实验验证。

The neutron flux at different wavelength, under different reflection and take-off angle of the monochromator and divergency of the first collimator, were given.

结果表明，在冷中子导管使用〓Ni和m=2的超镜镀膜情况下，所需要的冷中子源直径为18cm～22cm，高度为30cm～36cm，并从导管需求的角度为合理的冷源尺寸提出了建议。

Based on the traditional geometric optics principles and the method of ray tracking, this paper reports the calculation of the aberration of the mode index lens when the collimated beam incidents upon it inclinely with an angle, and the divergency of the output beam from the MIL when it works as a collimator for the end-butt coupling between the semiconductor laser and the waveguide.

本文从传统几何光学原理出发，用光线追迹的方法来计算研究准直光束斜入射到模折射率透镜上产生的像差，以及当半导体激光器与波导端射耦合以MIL作为准直透镜时，输出准直光束的发散情况，并探讨MIL在集成光学频谱分析仪中作为准直或会聚透镜的适用性。

In GADSO, some novel genetic operations are designed, and also the MLC physical constraints are incorporated. GADSO has been published on Phys.

该技术充分结合了GA方法的优点和实际问题的特点，创造性地设计了一套GA的编码和遗传操作模式，并在优化过程中同时考虑了多叶准直器(multileaf collimator， MLC)的物理限制。

It consists of optical collimator system, optical focusing system, servo error signal generating system and the enforce element of servo system . It is a complex system, which is involved in optics, fine machine, electromagnetic, et al.

光学读取头包含准直光学系统、聚焦光学系统、误差信号提取系统、以及伺服系统的执行机构等部分，是一个综合了光学、精密机械、电磁学等学科知识的复杂系统。

It consists of optical collimator system, optical focusing system, servo error signal generating system and the enforce element of servo system .

光学读取头是光存储产业的核心器件，它广泛应用于各类光存储设备中。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。