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- Simulation and Calculation of Performance of the Small Cell Drift Chamber 小单元型漂移室性能模拟计算
- Simulation study of the low mass helium-based gas mixtures and their application for the small cell drift chamber 低质量氦基混合气及其在小单元漂移室中应用的模拟研究
- Dependence of ageing rate on the radiation intensity in accelerated ageing test of the small cell drift chamber 小单元漂移室模拟老化实验中老化率与放射源强度的相关
- Study on performances of a small cell drift chamber filled with helium-methane gas mixture 使用氦基工作气体的小单元漂移室性能的研究
- Experimental Study of Accelerated Aging of Small Cell Drift Chamber Prototype with Radioactive Source 小单元漂移室用放射源模拟老化的实验研究
- small cell drift chamber 小单元漂移室
- A data acquisition (collection) system, which is used to test the small cell MDC (Main Drift Chamber) prototype of BES3, is introduced in this paper. 本文介绍了一种用于北京谱仪3(BES3)小单元漂移室模型实验的数据获取(采集)系统。
- They were boxed up in a small cell . 他们被监禁在一间小房子里。
- The spatial resolution, dE/dx resolution and cell efficiency of two prototypes of small-cell drift chamber filled with He/C 3H 8(60/40) with cell sizes of 14.0mm and 16.4mm were measured using cosmic rays respectively. 利用宇宙线分别测量了两个单元尺寸为14mm和16.;4mm充He/C3H8(60/40)气体的小单元漂移室模型的性能;包括空间分辨;dE/dx分辨和单元效率。
- Common in small cell lung cancer, adenocarcinoma type. 常见于小细胞肺癌、腺癌类型。
- In order to compose the test systems for drift chamber readout used to high energy physics exeper iments, a CAMAC controller has been designed. 为了组成高能物理实验中所使用的漂移室读出系统的测试系统,研制了一种CAMAC控制器,作为TRS-80微计算机与CAMAC机箱的接口。
- ES / PNET. such as small cell carcinoma. immunohistochemistry MPO. ES/PNET.;小细胞癌等
- Extrapulmonary small cell carcinoma of head and neck is uncommon. 它主要发生在肺部,头颈部的肺外小细胞癌相当少见。
- The performance of a small-cell drift chamber operated with two helium-based gas mixtures, He/C_3H_8(60/40) and ~He/CH_4(60/40), was studied using cosmic rays, respectively. 利用宇宙线分别研究了一个小单元漂移室在He/C3H8(60/40)和He/CH4(60/40)两种氦基混合气下的性能.
- The structure of the BES main drift chamber and arrangement of cosmic ray tests have been described briefly. The main test results of the chamber performance have been given. 简要描述了北京谱仪(BES)主漂移室的结构和宇宙线实验安排;给出利用宇宙线测试主漂移室性能的主要结果.
- This transistor radio has four small cells. 这台半导体收音机用4节小电池。
- The Beijing Electron Position Collider (BEPC) and the Beijing Spectrometer (BES) are upgrading now. The drift chamber is a very important detector in BES. 北京正负电子对撞机(BEPC)和北京谱仪(BES)正在升级改造中,漂移室(DC)是北京谱仪上最重要的子探测器之一。
- Objective To discuss the X-ray features of esophagus small cell carcinoma. 目的探讨食管小细胞癌的临床X线特点。
- This paper describes the principle and performances of logic control and fan-out circuits for BES drift chamber read-out electronics. Two operating ways of system calibration and data acquisition have been presented. 本文阐述了北京谱仪(BES)漂移室读出电子学逻辑控制和扇出电路的原理及技术性能,介绍了逻辑控制电路的系统校准和数据获取的两种工作方式。
- The main drift chamber of the Beijing Spectrometer (BES) has been described briefly, including its physical design, mechanical design and construction, choice of the working gas as well as prototyping. 简要描述了北京谱仪(BES)主漂移室的物理设计、机械设计与建造、工作气体选择、模型实验等方面.