This paper presents a concise and com prehensive outline of digital cameras based on charge couple device CCD electronic imaging,explains systematically their stru cture,behavior mechanism,properties and characteristics,types,assortment,and functions of main prducts available in the markeit,and also terms of consideration needed for making an appropriate choice when pu rchasing digital cameras.
本文简明而系统地阐述了以电荷耦合器件CCD电子成像为基础的数码相机的结构、工作原理、性能特点、市场上主要产品类型和功能,以及消费者选购时的注意事项。
[PURPOSE] To track transplanted neural stem cells (NSCs) in Parkinson's disease rat model in vivo, using positron emission tomography (PET) to monitor NSCs distribution, survival, differentiation, function and therapeutic efficacy.
本课题以正电子成像技术(PET)作为在体可视化监测手段,客观准确地显示神经干细胞移植治疗帕金森病(PD)干细胞分化结果和移植治疗效果,建立活体干细胞治疗的无创性监测技术平台,探索干细胞体内诱导分化的规律、条件、质量控制和影响因素等,完善神经干细胞移植的临床评估方案,并为其他干细胞治疗应用探索提供研究基础。
Over half a century, photoelectronic imaging which consists mainly of low light level imaging and thermal imaging, has made marked progress, and demonstrated brilliant prospects.
半个世纪以来 ,光电子成像 (主要包括微光成像和热成像 )技术取得了惊人的发展 ,显示出极为辉煌的前景 。
The photoelectronic imaging mainly consists of low-l ight-level imaging and thermal imaging.
本文回顾半个世纪以来光电子成像 (包括微光成像和热成像 )的进展 。
pulsed electron image tube
(高速照相用) 脉冲电子成像管
secondary electron conduction camera tube
二次电子导电摄像管
secondary electron conduction target vidicon
次级电子导电视像管
quantizing aperture
电视摄像管电子束孔
electron-induced conductivity vidicon
电子感生导电视像管
"Semiconductors are used in the manufacture of electronic devices such as diodes, transistors, and integrated circuits."
半导体用于制作像二极管、晶体管以及集成电路等电子器件。
low velocity beam scanning image pickup tube
低速电子扫描摄像管
camera tube with high velocity scanning beam
高速电子扫描摄像管
silicon electron multiplier target vidico
硅靶电子倍增视像管
holding rod used on kinescope electron gu
显像管电子枪支承杆
beam indexing color tube
电子束指引彩色显像管
The television camera also looks at a scene as a series of dots; each dot of light is translated by the camera tube into an electronic signal.
电视摄像机也是把景象看成一系列的点，每一个光点都被摄像管转换成一个电子信号。
the surface of the large end of a cathode-ray tube on which an electronically created image is formed.
大的阴极管末端的表面，在上面电子创造的图像成形。
Study on Alzheimer s Disease and Vascular Dementia Using Positron Emission Tomography;
阿尔茨海默病与血管性痴呆的正电子发射体层成像研究
A small television camera tube that forms a charge-density image on a photoconductive surface for subsequent electron-beam scanning.
光导摄像管在光电导表面形成电荷聚集图像的一种微小的电视摄像管，用于以后的电子光束扫描
single-gun color tube
单电子枪彩色电视显像管
Analysis of Two-Photon Ionization and Photoelectron Imaging Spectrometry for Potassium Atoms
钾原子双光子电离光电子成像光谱分析
As does the CRT, FED generates and shoots free electrons across a tube.
FED像CRT那样，也产生并把自由电子射过电子管。