輻射檢測 的英文怎麼說
中文拼音 [fúshèjiǎncè]
輻射檢測
英文
radiation detection- 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) ...
- 檢 : Ⅰ動詞1 (查) check up; inspect; examine 2 (約束; 檢點) restrain oneself; be careful in one s c...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 輻射 : radiation; exposure; radio; beaming
- 檢測 : check; detection; test; gauging; detecting; sensing; [工業] checkout; measuring
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Abstract : radiate thermometer uses a high definitive operation circuit in the modulation and linerization of weak optical signals. the theory of colorimetry was used in measuring the temperature. analogic channel and digital interfaces were added in order to expand the instrument. a kind of double channel ' s photocolorimeter including its hardware and software is introduced
文摘:輻射測溫計採用高精度運算電路,對光弱信號進行調制和線性化處理,運用比色法原理對溫度進行檢測.為了便於儀器擴展,增加了模擬量輸出和數字介面,並對光纖式雙通道比色高溫儀的硬體與軟體的關鍵部分作了簡要介紹Emphatically, this paper discusses the pattern of signal and antenna radiation of the system, the design principles and technologies of audio - generator and monitor, and the modification of measurement deviation. through special tests and aviate experiments, it has been proved that the performance of the domesticalized system is better than of the initial system
文中重點分析了俄制分米波儀表著陸系統的信號格式和天線輻射場型,著重闡述了系統中音頻信號產生器和監測器的設計原理和實現技術,對信號檢測中的測量誤差進行了分析並設計了有效的修正方法。First the author introduces the design of the flame monitoring system based on pic16f877 mcu in details. the detector, ( ecadata company ’ s production ), si - photodiode, is used as the sensor. its photoelectric current output is proportional to input light ’ s energy
經方案比較,決定選用基於火焰的紅外光譜輻射特性的火焰檢測原理,研製開發火焰監測系統,檢測元件選擇ecadata公司生產的紅外雪崩型硅光電二極體,光電二極體在接受紅外輻射時,其產生光電流的大小與入射光能量成正比。First, it was taken that a discuss about the effects of geometry parameters of each piezocrystal on direction parameters ( main lobe width, side lobe amplitude, elimination of grating lobes ), amplitude of ultrasonic pressure, element viberation pattern, mutual radiation among elements, efficient test regions, ability to keep accurate and near - field distance and so on. based on the direction of ultrasonic field in ulpa deduced by ourselves. in addition, on the base of integrating all kinds of factors, it was put forward that the principle and method for optimized design of geometry parameters of piezocrystals in ulpa transducer, and its design programme and interface were compiled
首先在推導超聲相控線陣換能器聲場的指向性的基礎上,就各個晶片幾何參數對指向性指標(主瓣寬度、旁瓣幅度、消除柵瓣) 、聲壓幅值、陣元振動模式、陣元間互輻射、有效檢測區域、精確控制能力、近場長度等方面的影響進行了論述,並在綜合各方面影響的基礎上,提出了晶片幾何參數優化設計的原則和方法,編寫了設計程序和界面。Verification regulation of x or radiation meters for environmontal monitoring absorbed dose rate in air
環境監測用x輻射空氣吸收劑量率儀檢定規程Verification scheme of radiation thermometers
輻射測溫儀檢定系統Based on mono - pulse radar system and the analysis of terrain echoes, a geometrical model of air to ground ranging is constituted. by using the signals received from the sum and difference channels of terrain follow radar, a group of the expressions for terrain echoes are educed and characteristics of these echoes are obtained. according to the characteristics of the echoes, the theory and method of pass zero detection of difference channel and its applications are discussed in detail
針對一維單脈沖雷達體制,分析了地形目標回波特性;建立了地形跟隨雷達空地測距的幾何關系;利用雷達收發信號,導出了地形跟隨雷達和差接收通道的回波信號表達式,進行了波形模擬,得到了地形跟隨雷達的地面散射產生回波在時域中的特性;根據和差回波特性,闡述了差信號過零點檢測測距的原理和方法及工程實踐中的應用,並給出了真實雷達對外輻射試驗的結果,驗證了文中的模擬。This method not only solve the problem of measuring the millimeter - wave detector system on projectile and testing on shooting range, but also bring forth a effective measuring way, and supply a good conditions for target identifying
該方法不僅解決了彈載毫米波輻射計的系統檢測和靶場試驗測試問題,為型號研製、試驗及生產等環節提供了有效地檢測手段,也為目標識別研究提供了良好的條件。Non - destructive testing. industrial neutron radiography. determination of the speed and average contrast of silver based film image reception systems using electrons with an energy less than 200 kev
無損檢驗.工業用中子輻射照相術.用能量低於200kev的電子進行銀鹽底片圖象接收系統的感光度和反差平均值的測定Based on historic radiosonde data of changchun city, jilin province and xian city. shanxi province and on the typical model of profiles of cloud liquid water content for stratiformis, the coefficients of retrieval equation are obtained as the functions of height for each month from april to july in the two cities. furthermore, we explore the internal physics signification of retrieval coefficients ' distributing according to every month and have comparisons between the two cities. then the numerical simulation tests of the accuracy of retrieval results are given : the statistical relative deviation of retrieved values of l to the simulated " trues " on the ground is 15 - 25 % and that at altitude of 6km is 5 - 10 %, that means the retrieval method and implementation of the method are applicable to processing measurements of an airborne radiometer made in china recently
本文介紹機載對空微波輻射計探測雲中路徑積分液態水含量( l )的輻射傳輸原理和反演方法;根據吉林省長春市和陜西省西安市的歷史探空資料和典型的層狀雲液水垂直分佈模式,得到這兩個地區4 - 7月各月的隨高度而變的反演公式及其系數的表達式;探索了和反演系數有關系的大氣的影響,並在各個月份之間進行了比較分析;給出了反演誤差的數值模擬檢驗結果:在地面反演值對『真值』的統計相對偏差是15 - 25 ,在6公里高度處為5 - 10 ,表明該方法已具有實用可接受的精度。In this study, dna strand breaks in jm109 cells caused by - rays and the protective effect of lexa protein of deinococcus radiodurans have been studied by fluorometric assay of dna unwinding., the results indicated that the rate of dna strand breaks increased with the increase of - rays dose. however, when the concentration of lexa protein from 0. 1 g / ml to 10 g / ml, it still showed no protective effect on dna strand breaks, then lexa protein of deinococcus radiodurans was n ' t radioprotector
本研究採用了dna解旋熒光法檢測由射線所致的dna鏈斷裂的損傷程度以及抗輻射菌lexa蛋白的輻射防護作用,在輻照前加入不同濃度的lexa蛋白,檢測dna鏈的斷裂,結果表明dna鏈的斷裂程度隨著射線輻照劑量的增加而增強,抗輻射菌lexa蛋白對射線所致dna鏈斷裂的修復不起作用,進一步說明抗輻射菌lexa蛋白不起輻射防護作用。Point type heat fire detector meets the requirements of gb4716 - 1993. the test itemsinclude electrostatic discharge, radiated electromagnetic fields, and electrical transient bursts
點型感溫火災探測器應符合gb4716 - 1993標準的要求。檢測項目有:靜電放電;輻射電磁場;電快速瞬變脈沖群。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。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。In the unlikely event of any nuclear accident, the ams is also charged with the responsibility of manning monitoring centres and scanning points for decontamination process operations under nuclear emergency contingency plans
香港萬一發生核電意外,醫療輔助隊會協助執行緊急應變計劃,派隊員于監測中心及輻射檢查站值勤,負責清除輻射的工作。In the unlikely event of any nuclear accident, the ams is also charged with the responsibility of manning monitoring centres and scanning points for decontamination processoperations under nuclear emergency contingency plans
香港萬一發生核電意外,醫療輔助隊會協助執行緊急應變計劃,派隊員于監測中心及輻射檢查站值勤,負責清除輻射的工作。Radiation detection instrumentation for homeland security
國家安檢用輻射檢測儀器Radiation detecting device
輻射檢測器Radiation measuring and monitoring instrumentation, radiation protection products, medical appliances, chemical raw materials and precursors are four fields of the company. these production of the company has covered almost all over the country
輻射檢測儀器、輻射防護產品、醫療器械、電腦配件是圓通科技的四大業務領域,其產品已覆蓋全國大部分地區。分享友人