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激光
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  “—激光”译为未确定词的双语例句
     The Laser Communication System of Large Capacity CO_2--The Detection and Process Technology of Laser Pulse
     大容量CO_2激光通信系统——激光脉冲信号探测和处理技术
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     Freliminary report on treatment of retinoblastoma with HpD-laser
     HpD—激光治疗视网膜母细胞瘤5例报告
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     Expression of gap junction proteins Cx32、Cx43 in human hepatocarcinoma cell lines and normal liver cell line:study with laser scanning confocal microscope
     肝癌细胞及正常肝细胞中间隙连接蛋白Cx32、Cx43的表达——激光扫描共聚焦显微镜研究
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     MATERIAL PROCESSING WITH ND - LASERS
     应用ND—激光进行材料加工
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     CYRAX——3D Laser Scanning Comes of Age
     CYRAX——激光扫描的三维时代
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     Laser heat treatment
     激光热处理
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     NUCLEAR MAGNETIC RESONANCE AND THE ADVENTOF LASERS
     从核磁共振到激光
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Restriction Enzyme Pattern Analysis of Mycobacteria DNA by Capillary Electrophoresis with Laser-Induced Fluorescence Detection
      
A new method for rapidly detecting restriction enzyme patterns of Mycobacterium DNA using capillary electrophoresis with laser-induced fluorescence detection (CE-LIFD) was developed.
      
Under a laser-induced ultra-high pressure and high strain rate, structural steels and composite materials undergo plastic deformation.
      
Solitons in relativistic laser-plasma interactions
      
The germination of laser-irradiated Chinese pine seeds was carried out under drought stress.
      
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在研究岩盐型晶体的塑性变形中,用偏激光方法观察晶体中在塑性变形时出现的又折射光带,并结合用显微干涉仪对晶体表面的研究,观察到晶体中发生滑移时滑移带两端所发生的滑移距离恒不相等。根据这一结果,用腐蚀方法观察晶体中的位错排列,并和双折射光带及表面干涉图形的研究对比,全面地验证了离子型晶体中滑移过程的位错机构。此外,还证明了腐触坑和位错之间的——对应的关系,并用实验方法证明了晶体滑移面内存在着符号不同的位错。

This paper describes an automatic step and repeat reduction camera with precision positioning by applying the theory of light interference, using a He-Ne gas laser for light source. The camera consists of a laser interferometer system, a set of precision mechanism, a numerical control device and a laser frequency stabilizer. The displacement of the working table is measured and located by the laser interferomenter system, so the accuracy of the camera in repeat positioning is better than micron. In this paper,...

This paper describes an automatic step and repeat reduction camera with precision positioning by applying the theory of light interference, using a He-Ne gas laser for light source. The camera consists of a laser interferometer system, a set of precision mechanism, a numerical control device and a laser frequency stabilizer. The displacement of the working table is measured and located by the laser interferomenter system, so the accuracy of the camera in repeat positioning is better than micron. In this paper, the properties in the design of the laser interferometer system and the problems concerned with application of laser to precision positioning of the working table in the camera are given with some emphasis. At the sametime, it affords major technical parameters and experimental data. At the end of this paper, the analysis of accuracy and the result of calibration of the cameras show that actual accuracy of the cameras is up to about e0.75 micron. Cameras of this type are now used in industrial practice.

本文介绍一种用氦氖气体激光器作光源,以光干涉原理定位的自动分步重复照相 机。该机主要由激光干涉系统、精密机械系统、电子控制机和激光频率稳定器组成。由 于采用激光干涉定位系统直接测量工作台位移,保证重复定位精度高于±1微米。 文中着重介绍激光干涉系统结构设计特点及激光用于精密定位时的有关问题.同时 提供了主要技术参数和实验资料。对整机的精度分析和检定结果说明,产品实际精度可 达到±0,75微米。此种分步相机现已用于工业生产。

This paper gives an account of a laser technique providing a new method of measurement of the point velocity in flowing water. It also explains in detail the velocity measurement on the horizontal floor of an overflow dam in a rectangular flume. Analysis has been made on the velocity distribution within the boundary layer nearby the floor. The approximate methods of calculating the velocity distribution within the boundary layer and of estimating the horizontal drag under open channel flow conditions have also...

This paper gives an account of a laser technique providing a new method of measurement of the point velocity in flowing water. It also explains in detail the velocity measurement on the horizontal floor of an overflow dam in a rectangular flume. Analysis has been made on the velocity distribution within the boundary layer nearby the floor. The approximate methods of calculating the velocity distribution within the boundary layer and of estimating the horizontal drag under open channel flow conditions have also been proposed.

本文报导了激光技术的应用,为水流中点流速的量测提供了新方法。 文中对在二元水槽内溢流坝下游水平段上的流速量测做了较详细的介绍。对近壁处 边界层内的流速分布进行了分析。并提出了明流情况下边界层内流速分布的近似计算公 式及水平拖曳力的估算方法。

 
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