輻射測量學 的英文怎麼說
中文拼音 [fúshècèliángxué]
輻射測量學
英文
actinometry- 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) ...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 學 : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
- 輻射 : radiation; exposure; radio; beaming
- 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
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Radiation protection - performance criteria for service laboratories performing biological dosimetry by cytogenetics
輻射防護.進行細胞遺傳學生物劑量測定的工作實驗室的性能標準Horology. radioluminescent time measuring instruments
鐘表學.輻射發光時間測量儀Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation
在近年來提出的基於質點運動學原理的單站無源定位理論基礎上,本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型,並對它們進行了分析和模擬;第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件;第四章針對傳統擴展卡爾曼( ekf )方法的缺點,提出了一種修正協方差的擴展卡爾曼濾波( mvefk )方法,並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較;第五章通過引入雷達機動目標跟蹤方法和模型,提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法;第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究,提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。Optical fibres - measurement methods and test procedures - gamma irradiation
光學纖維.測量方法和試驗規程.輻射Nuclear energy - measurement of radioactivity in the environment - water - part 3 : measurement of strontium 90 activity in water - radiochemical separation of strontium by extraction with " ethers crown " resin and measurement of beta activity
核能.環境中輻射性的測量.水.第3部分:水中鍶90放射性的測量.通過" ethers crown "樹脂萃取進行鍶的放射化學分離和放射性的測量Based on the spectral irradiance measured with the sun - atmosphere ultraviolet spectrum radiometer ( sauvs ) developed by the institute of atmosphere physics and the changchun institute of optics and fine mechanics, chinese academy of sciences, measuring the direct and scatter irradiance spectrum of ultraviolet waveband which arrives in beijing global surface, giving a method of retrieving the aerosol optical depth ( aod ) and put up with primary results that exponential function can fit the retrieval results according to its visibility, putting forth different coefficients and functions on variable visibility, also giving a primary analysis on the aod in dust - storm day and some contrast between sun - day and dust - storm day, analyzing the ratio between scatter and total irradiance, and its relationship with atmosphere mass and total atmosphere optical depth, lastly contrasting with the survey results by aeronet beijing station, the results of retrieval is in reason, this work gives some help in researching the co - effect of aerosol - radiance - climate and makes preparation for further survey on the radiance characteristics of dust
利用中國科學院大氣物理研究所與長春光學精密機械研究所合作研製的太陽?大氣紫外光譜輻射計( sauvs ) ,測量到達北京地表的太陽直接和散射紫外光譜輻射,導出了大氣氣溶膠的光學厚度。初步結果表明:北京紫外波段大氣氣溶膠的光學厚度在絕大部分情況下隨波長的增加而單調減小,用指數函數可以較好地擬合反演結果,統計得到了三個水平能見度狀況下擬合函數的系數值和公式表達式;初步分析了揚沙、浮塵、沙塵暴天氣條件下氣溶膠光學厚度的特點,並與一般晴朗天氣條件下的氣溶膠光學厚度特點做了比較分析;分析了太陽紫外譜輻射中散射輻射與大氣質量、大氣總光學厚度的定性關系和定量表達式;最後與全球氣溶膠監測網路( aeronet )北京站的資料做比對,表明反演結果基本合理。Energy resolution for measurement method using optical transition radiation
光學渡越輻射測量中能量分辨精度分析Derived from optical waveguide fundamentals, outstanding advantages of mfld in high s / n ratio and sensitivity were theoretically presented. to resolve inconsistent change tendencies of mode - filtered light obtained in bare core sensing system and in modified sensing system, that is, the mode - filtered light signal declines with the increase in analyte ris in bare core sensing system but increases with the increase in analyte ris in modified sensing system, we started with light energy radiation theory, and obtained the details of mfld mechanism by discussing in detail the radiant energy ' s reflection and refraction at the interface, thus establishing a mathematical model of mfld. we concluded that the inconsistent change tendencies of mode - filtered light were essentially coherent
為了解決實驗中裸光纖體系與修飾光纖體系在獲取模式濾光信號上出現的不一致現象,即裸光纖體系中隨著分析對象的折射率增大,獲取的模式濾光信號呈下降趨勢,而在修飾光纖體系中分析對象的折射率增大,獲取的模式濾光信號卻是增大的,我們從光的能量輻射學入手,詳細地討論了光輻射能在傳輸路徑上的反射與透射,獲得了模式濾光信號產生的細節,以此建立了模式濾光檢測的新模式。Acoustics - measurement of noise emitted by railbound vehicles
聲學鐵路機車車輛輻射噪聲測量Gamma - ray observations help astronomers understand the basic physics of these sources by measuring the energy and variability of the highest energy radiation coming from these sources, radiation often comes directly from the central engine
通過對這些輻射源的高能輻射變化及能量的測量,射線的觀察有助於天文學家了解這些通常直接來自能量中心的輻射源的基本物理性質。Effective generation of thz wave is a basic issue in experiments evolving thz radiation. scientists have studied different electro - optic crystals as a thz waves emitter, and they found that the znte crystal is the best for thz wave generation
國際上,許多科學家對大量電光晶體產生和探測thz輻射進行了研究,發現znte電光晶體作為thz脈沖產生和探測材料,其總體性能優于其他電光晶體,目前在thz輻射實驗中應用得最廣泛。According to the findings of a study by the city polytechnic university to measure the levels of radon daughter which is a potentially lung - cancer - causing radioactive substance in mass transit railway stations in the territory, 23 out of the 31 underground mtr stations have levels of radon daughters exceeding the average level in the world
根據城市理工大學一項測量本港地下鐵路車站「地鐵站」內含有可引致肺癌的輻射性物質氡子體水平的研究結果,在全港31個建於地底的地鐵站中,有23個所含的氡子2. using the simulation method and a lorentzian oscillator model, the influence of the deviation in experimental parameters, including the thickness of samples, the incident angle, the misalignment of the time delay line, the background noise and the laser noise is analyzed
二、首次利用模擬thz輻射脈沖入射到共振吸收的樣品上的方法分析了厚度、角度、平移臺錯位、背景噪聲及激光器噪聲等對于光學常數測量產生的影響。Based on setting up the fire safety goals, performance criterion, fire scenario and uncertainty factor, this article simulated the occupants ’ evacuation time, smoke spread, radiation flow etc and determined fire detector and automatic extinguishing device by using the developed engineering method. and so these buildings ’ fire safety goals, which have the equivalent safety level with the existing national standard, can be achieved and those problems, which caused by some incompliment requirements or the existing codes not adapting to the practical need, can be solved
針對這類建築存在的典型問題,通過設定消防安全目標、確定性能判據、建立火災場景,考慮不確定因素,運用已開發的工程學方法對人員安全疏散時間、煙氣蔓延、輻射熱通量等進行模擬計算,對火災探測和自動滅火設施進行分析選擇,認為大型書城建築採用至少與現行國家標準的規定等效的方法來實現建築物的消防安全目標,能夠解決現行標準與實際需要不相適應或某些不完善的規定所帶來的問題。Microbolometer, which is the key part of umbirfpa, is the unit absorbing the infrared radiation and changing it into heat quantity and electrical quantity
微測輻射熱計是umbirfpa的核心部分,它是把紅外輻射轉換為溫度變化再轉換為電學量變化的象元單位。Acoustics - characterization of sources of structure - borne sound with respect to sound radiation from connected structures - measurement of velocity at the contact points of machinery when resiliently mounted
聲學.關于由連接結構產生噪聲輻射的結構載振動噪聲源的特性描述.機械裝置彈性連接接觸點聲速測量The measurement of reflectance is at 3b1 line of synchron radiation devices in beijing high energy physical institute, chinese abstract academy of science
多層鏡反射率的測量是在中國科學院北京高能物理研究所的同步輻射裝置的3b1束線上進行的。This information, together with surface observations of sunshine duration, global solar radiation, soil and grass minimum temperatures, evaporation and potential evapotranspiration, are essential for many fields of studies including climatology, hydrology, agriculture and civil engineering design
此等資料與及其他地面觀測,例如日照時間太陽總輻射土壤溫度最低草溫蒸發量及可能蒸散量等,對于很多研究領域,包括氣候學水文學農業及土木工程設計等,都是不可缺少的。Remote sensing techniques have demonstrated their potential for measurements of soil temperature, vegetation canopy and so on. however, what is very difficult that uses reasonably both remote sensing data and ground data in calculating the energy, mass. radiation and momentum exchanges at land - atmosphere interactions, let alone apply in practical works
但是,如何將遙感觀測資料和常規資料結合起來研究輻射傳輸、湍流交換以及地表水的通量等局地尺度特徵量是一難題,很多學者都已做了大量的工作,取得了相當鼓舞人心的結果,真正能實際應用的成果卻很少。Practice for use of a radiochromic optical waveguide dosimetry system
輻射色譜光學波導輻射劑量測定系統的實施規程分享友人