查询词典 alpha ray

Methods:[WT5BZ]Thirty-seven cases with primary tumour in department of X-ray ,Haining second hospital January 1998 to June 2000,all patients with pathology (18 cases),cytology(3 cases)and computed tomography,magnetic resonance imaging,specific photology etc.(16 cases)proved lung metastatic tumor and to studied the X-ray basic change,primary tumuorign and patholog types etc.

收集海宁市第二人民医院放射科 98年 1月至 2 0 0 0年 6月拍摄胸片的 37例其原发癌瘤，经病理( 18)、细胞学( 3)或 CT、MRI、特殊造影检查( 16)等确诊的肺转移瘤资料，对其肺部转移性病灶的基本 X线表现、原发癌肿来源、病理类型等进行分析研究。

With passive methods of CR-39 and TE/C ion chamber, the photoneutron dose at the isocenter was 0.19mSv/Gy X-ray and 0.06mSv/Gy X-ray.

在 一般的工业用或医用电子加速器中，韧致辐射靶、用于屏蔽和准直光子的材料多是高原子序数的材料。

A microcomputer is used to communicate with the controller of electron probe to control the spectrometers and the sample stages as well as the scalers. Data of X-ray intensity are acquisited when the sample stages are scanning in a certain step and time period. X-ray images were formed and shown in colors or in 3 dimensions, and have no distortion at low magnification. Hidden zonate phenomena of a picrite were found.

摘 要：用微型计算机与电子探针控制机通讯，实现对各道波谱仪和样品台的实时控制，以及对各道定标器的数据采集；在选定的样品区域上设定采样步长和时间，边移动样品台边采集各道X射线强度；用伪彩色、三维视图和内插放大等方式显示图像，解决了低倍X射线像失真问题，观察到了辉石的隐环带等现象。

A new portable low-intensity X-ray imaging scope has been developed. This scope adopts platelike X-ray image intensifier.

采用新型X射线象增强器，研制开发成功一种小型低强度X射线成象仪。

The institute equipped with 760 sets of all classes of large-scale apparatus, which included computer workstation, large format scanners,large format graphic plotter, X-ray Fluorescence Spectrometer, Inductively Coupled Plasma Atomic Emission Spectrometer, Atomic?Absorption?Spectrometry, powder X-ray diffraction, One-meter Plane-grating Spectrograph, Oscillographic Polarograph, ScanningElectron Microscope, Infrared Spectrometer, Electronic Precision Balance, Sspectrophotometer, semi-industrial ferromagnetic separator,semi-industrial scrubbing machine, semi-industrial continuous dense-medium separation apparatus; semi-industrial continuous gravityconcentrating table equipment and etc.

拥有计算机工作站、大幅面工程扫描仪、大幅面绘图仪、X荧光光谱仪等离子体时序式光电直读光谱仪、原子吸收分光光度计、粉晶X衍射、一米光栅摄谱仪、示波极谱仪、扫描电子显微镜、红外光谱仪、精密电子天平、分光光度计、半工业型强磁选机、半工业型擦洗、半工业型重介质、半工业型重选摇床等设备760 多台。

The main contents include the ray phenomenon and its generation conditions; the deduction and physical illumination of wave action conservation equation and wave number conservation equation; ray theory for sinusoidal waves; Fermat's principle; the variation of amplitude in the case of straight and parallel depth contours and circular depth contours; the amplitude near the caustics; wave trapping; deduction of mild-slope equation and the relevant numerical solution methods.

讲授折射现象及其发生的条件；波作用守恒方程和波数守恒方程的推导及物理解释；稳恒正弦波的控制方程及射线方程；费马原理；利用射线方程研究等深线是平行直线和圆周线时波振幅的变化，特别是焦散线附近波高的变化以及由此而产生的波的俘获；缓坡方程的推导及有关的数值求解方法。

Ray, still haunted by the bloodshed in London, hates the place, while Ken, even as he keeps a fatherly eye on Ray's often profanely funny exploits, finds his mind and soul being expanded by the beauty and serenity of the city.

雷，仍然在伦敦流血，讨厌的地方，而肯，尽管他不断雷常常profanely有趣利用了慈父般的眼睛，发现他的头脑和灵魂受到的美丽和宁静的城市扩大的困扰。

Ray, still haunted by the bloodshed in London, hates the place, while Ken, even as he keeps a fatherly eye on Ray's profanely funny exploits, finds his mind and soul being expanded by the beauty and serenity of the city.

迈克道农96年就夺得了伦敦戏剧奖，之后又连拿四个托尼奖，独幕，多幕戏剧在他手上已经玩的纯熟，这才开始走向银幕，自然把很多戏剧的手法和元素都借用了过来。

By analyzing the escape of X-ray and Auger electron generated by 37Ar, wall effect of internal gas proportional counter in 37Ar activity measurement was studied theoretically. Escape of X-ray is the main reason for wall effect of internal gas proportional counter in 37Ar activity measurement.

通过分析37Ar衰变产生的X射线和俄歇电子在内充气正比计数管灵敏体积中的逃逸及计数管在37Ar活度测量中的壁效应，得出X射线在正比计数管中的逃逸是产生壁效应的主要原因，提出了压力指数外推方法。

By analyzing the escape of X-ray and Auger electron generated by 37Ar, wall effect of internal gas proportional counter in 37Ar activity measurement was studied theoretically. Escape of X-ray is the main reason for wall effect of internal gas proportional counter in 37Ar activity measurement. Thus, the exponential extrapolation method of pressure was proved correctly.

通过分析37Ar衰变产生的X射线和俄歇电子在内充气正比计数管灵敏体积中的逃逸及计数管在37Ar活度测量中的壁效应，得出X射线在正比计数管中的逃逸是产生壁效应的主要原因，提出了压力指数外推方法。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。