核輻射探測器 的英文怎麼說
中文拼音 [héfúshètàncèqì]
核輻射探測器
英文
nuclear radiation detector- 核 : 核構詞成分。
- 輻 : 名詞(車輪中車轂和輪圈的連接物) spoke
- 射 : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
- 探 : Ⅰ動詞1 (試圖發現) try to find out; explore; sound 2 (看望) call on; visit; see 3 (向前伸出)...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 輻射 : radiation; exposure; radio; beaming
- 探測器 : finder; detector; seeker; sounder; probe
- 探測 : survey; search; sound; probe; sounding; detection; acquisition; reconnaissance; localization; fin...
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Cadmium selenide ( cdse ) single crystal is regarded as one of the most promising materials for room temperature nuclear radiation detectors, but cdse detectors have not been studied in detail because of the lack of high quality cdse single crystals and suitable technology for this semiconductor and the devices
Cdse單晶體是最有前途的室溫核輻射探測器材料之一,但由於沒有制備出高質量的cdse單晶體,加上沒有成熟的半導體材料加工技術與器件製作工藝,人們對cdse探測器沒有進行深入的研究。Cadmium zinc telluride ( cd1 - xznxte or czt ) single crystal is one of the three element compound semiconductor materials with great performances used for the detection of x - ray and gamma - ray at room temperature
碲鋅鎘( cd _ ( 1 - x ) zn _ xte ,簡寫czt )單晶體是一種性能優異的三元化合物半導體室溫核輻射探測器材料,具有閃鋅礦型的面心立方結構。Nuclear instrumentation ; amplifiers and preamplifiers used with detectors of ionizing radiation ; test procedures
核儀表.使用離子輻射探測器的放大器和前置放大器.試驗程序Therefore, the crucial factor of technology of nucleus - detection is nuclear spectrum data collecting system whose core is the multi - channel analyzer ( mca )
所以以多道脈沖幅度分析器為核心的核能譜數據採集系統,是核輻射探測技術的關鍵。It proves that the accuracy of the obtained photon fluence by this kind of method is acceptable. overall, pulse photon fluences in the pulse accelerator and the radiation field caused by pulse reactor have been obtained by strict experimental studies and theoretical calculation in this paper. it provides the technological support to calibration of detectors for physical diagnosis in nuclear exploding
簡而言之,通過嚴格的實驗研究和理論計算,本文測得了12mv脈沖加速器的x射線譜和liftld對較寬能區的中子的let效應因子值,並通過研製的均勻固體電離室測得了脈沖加速器和脈沖堆輻射場的光子注量,解決了幾個相關的技術難題,為核爆診斷探測器的標定提供了技術支撐。Quality inspection rule for nuclear instruments and nuclear radiation detectors
核儀器和核輻射探測器質量檢驗規則Manufactures pressure or temperature industrial measurement and control instruments
-研發生產核輻射探測器,並提供相關技術支持。We have obtained some achivements in this work, and our work is one of the important progress in the field of the cdse room temperature nuclear detector research
若進一步改善晶體的質量和u器的制備工藝, cdsekil核輻射探測器將會有廣闊的應用前景。The minimum detectable limit of the nuclear radiation detector array is an important technic criteria to judge whether the detector satisfies the detecting requirements or not
摘要核輻射探測器陣列的探測下限是判斷其是否符合探測要求的重要技術指標。This study adopts the monte - carlo general software - mcnp to compute and analyze the effect of movement of the nuclear matter on the minimum detectable limit of the nuclear radiation detector array
文章通過建立蒙特卡羅模型並應用通用軟體mcnp程序分析計算核材料的移動對核輻射探測器陣列探測下限的影響。Cdse, a ii - vi compound with direct transition, wide - band - gap and high atomic number ( 48, 34 ), is regarded as a new effective materials for room temperature nuclear radiation detectors and photoconductive devices, and can be used in many fields
Prince提出的優良室溫核輻射探測器材料必須具備的要求,因而被認為是制備室溫核輻射探測器的最有前途的新材料之一,可廣泛應用於探礦、無損檢測、核醫學、環境監測、軍事和空間宇航技術等領域。- ray at room temperature got 40 %. the results show that the modified growth technique is a new and promising method for grow ing highly purity and perfect cdse single crystals, and by improving the technique of single crystals growth and fabricating process, the resolution of cdse detectors can be improved further
晶體生長和探測器制備工藝技術是制備性能優異的探測器的基礎,因此,通過不斷改進晶體生長過程和探測器的制備工藝技術,可以制得低背景噪聲、性能穩定及能量解析度較高的cdse室溫核輻射探測器,這也是需要進一步研究和提高的地方。The other has two metal - insulator - semiconductor ( ms ) contacts with lower leakage current ( less than 4 pa, 300v ) and better energy resolution ( about 10 % fwhm for 241am 59. 5kev line ) and poor working stability. in theoretical studies, the analysis on the phase equilibrium in the vapor growth of cdse single crystals shows that the stoichiometry of cdse crystals can be controlled effectively by controlling the stoichiometry of starting materials and the vapor growth temperature. besides, the investigation of the transporting properties of charge carries in cdse detectors indicates that the noise in energy spectrum detected by using the detectors with msm structure is caused by the hole injection, which is induced by electron injection and the light injection
本文把cdse單晶體的生長、單晶體的成分、單晶體的性能以及單晶體在室溫核輻射探測器中表現出來的性能結合起來進行了比較系統的研究;採用垂直無籽晶氣相提拉法生長出了電阻率為10 cm量級、尺寸為中10mm 30mm的單晶體;制備出了能量解析度達10 ( fwhm ) (對~ ( 241 ) am59 . 5kev譜線而言)的cdse室溫核輻射探測器,取得了較好的研究結果。Analysis of effect of the movement of nuclear material on the minimum detectable limit of the radiation detector array using mc method
方法計算分析核材料移動對輻射探測器陣列探測下限的影響Radiation detectors for nuclear reactors characteristics and test methods
用於核反應堆的輻射探測器特性及其測試方法Radiation detectors for the instrumentation and protection of nuclear reactors ; characteristics and test methods
核反應堆儀器和防護用輻射探測器.特性和試驗方法Radiation protection instrumentation - measurement of discrete radionuclides in the environment - in situ photon spectrometry system using a germanium detector
輻射防護儀器.測量環境中的放射性核素.使用鍺探測器的現場光子光譜測定系統It possess many of the physical properties such as high atomic number ( z ), large enough band gap, high resistivity, relatively low leakage currents, and high intrinsic mobility - lifetime ( ut ) product, which are required for room - temperature nuclear radiation detectors. so it is widely used in nuclear medical imaging system, space engineering, and astrophysics, environmental monitoring, and so on. in addition, it is the best substrate for lattice matched epitaxial growth of hg1 - xcdxte ( mct ) thin films and solar cells
用單晶czt製成的探測器可在室溫下工作,工作溫度范圍寬( - 20 40 ) ,能量探測范圍寬( 10kev 6mev ) ,對x射線、射線能量解析度高,在x射線、射線成像、天體物理研究、工業探測、安全檢測、核輻射探測、核廢料監控、 x射線熒光分析( xrf ) 、 x射線斷層掃描和核醫學等方面有重要用途。The y rays detecting system for physical diagnosis in nuclear exploding must be calibrated in the pulse radiation field according to field spots. so the 12mv pulse x rays accelerator and the fast neutron reactor are selected as radiation sources for calibrating
核爆物理診斷探測系統需要在脈沖輻射場中按場點光子注量進行標定,為模擬核爆產生的輻射場,選定12mv脈沖x射線加速器和快中子脈沖堆為標定用脈沖輻射源。分享友人