輻射計量學 的英文怎麼說

中文拼音 [shèliángxué]
輻射計量學 英文
radiation dose & protection
  • : 名詞(車輪中車轂和輪圈的連接物) spoke
  • : 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) ...
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : 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
  • 計量 : calculate; estimate; meterage; metering; batching; measure
  1. The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro

    激光陀螺的核心部件為he - ne環形激光器,而掌握光與介質的相互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在密度矩陣理論的基礎上,推導環形諧振腔中描述he - ne氣體增益介質原子運動的光布洛赫方程,運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ,對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究,並且運用全子理論,對激光工作原理進行分析,得出二能級系統單模場的光子數密度分佈,得出激光場的光子統分佈,模擬激光場的動態建立過程。
  2. The temperature distribution on the high temperature side of an electric tunnel furnace is analysed and simulated on the basis of the principle of thermal radiation by the way of thb ( thermal heat balance ). the heated silicon carbon sticks are decomposed into innumerable tiny heating faces, which exchange the heat with the heated materials. a numerical model based on the radiation intensity law is constructed to calculate the energy absorbed by the heated materials and simulated by a computer. the results showed that the even distribution of temperature can be obtained by optimizing the arrangement of the silicon carbon sticks according to the calculation results to make the structure design more reasonable. these calculation results have been used in the practical designs and the expected objectives achieved

    利用熱原理,採用熱平衡法對電熱隧道窯的高溫恆溫區溫場進行了分析和模擬.算中將發熱棒分解為無數微元發熱面與燒結體進行熱交換,依據強度定律,建立了燒結體接收能的數模型,並用算機進行了模擬算.結果表明,依據模擬結果來優化硅碳棒的排布,可使結構設更加合理,進而可以獲得分佈均勻的恆溫區溫場.算結果已在窯爐設中應用,實踐效果良好
  3. Abstract : in the field of optical wireless links, concentrators that are designed by the tools of nonimaging optics can be used to collect the light radiation and are more compact and have higher collection efficiencies than imaging concentrators. hemispherical concentrators are studied by ray tracing, then for several normal nonimaging concentrators : hemispherical concentrators, compound parabolic concentrators ( cpc ), dielectric totally internally reflecting concentrators ( dtirc ), simultaneous multiple surfaces concentrators ( sms ) and inhomogeneous media concentrators ( poisson bracket ), the design methods and the performances e. g. the gain and the field of view ( fov ) are compared as well as the application suggestion

    文摘:在無線光通信領域,利用非成像光的集中器能夠聚集光,而且相對于成像性集中器具有更緊湊的結構和更高的增益.利用光線追跡法對半球形集中器的性質進行了分析與研究.對好幾種非成像集中器:半球形集中器,復合拋物線形集中器,介質內部全反集中器,多表面集中器,多相介質集中器,從設原理、增益和視場進行比較,並分析其應用場合
  4. The amount of solar radiation in different period is figured out through the climatologic method of radiation

    通過的氣候方法算最終得到各時段達到地面的太陽
  5. 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

    利用中國科院大氣物理研究所與長春光精密機械研究所合作研製的太陽?大氣紫外光譜( sauvs ) ,測到達北京地表的太陽直接和散紫外光譜,導出了大氣氣溶膠的光厚度。初步結果表明:北京紫外波段大氣氣溶膠的光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厚度的特點,並與一般晴朗天氣條件下的氣溶膠光厚度特點做了比較分析;分析了太陽紫外譜中散與大氣質、大氣總光厚度的定性關系和定表達式;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。
  6. Displaying the radiation phenomena in the quantity optics is also an area less explored in computer graphics

    浙江大博士位論文子光現象是算機圖形很少研究的課題
  7. 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,運用已開發的工程方法對人員安全疏散時間、煙氣蔓延、熱通等進行模擬算,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。
  8. Microbolometer, which is the key part of umbirfpa, is the unit absorbing the infrared radiation and changing it into heat quantity and electrical quantity

    微測是umbirfpa的核心部分,它是把紅外轉換為溫度變化再轉換為電變化的象元單位。
  9. In the laboratory experiment part, human peripheral blood, cultured cells and icr mice were study objects. the changes of mitotic chromosome numbers were measured by human metaphase chromosome counts and statistic analyzed used x2 - test. the changes of meiotic chromosome numbers were measured by mice one - cell zygote chromosome counts and statistic analyzed usedx2 - test. the effects of low dose ionizing radiation on the expression of topoisomerase ii were measured by immunocytochemistry, western blot and rt - pcr

    流行病結果顯示長期小劑接觸與染色體不分離呈正相關,為進一步在細胞遺傳和分子生物方面研究小劑電離與染色體不分離關系及其機制,本課題第二部分以外周血、培養細胞、 icr小鼠為研究對象,用外周血染色體數和單細胞受精卵染色體數的方法研究小劑和拓撲異構酶復旦大2000級博士生位論文11a抑制劑及其二者的協同效應對有絲分裂和減數分裂染色體不分離的影響,用免疫細胞化染色、 westernblot 、 rt pcr等方法研究了電離引起拓撲異構酶a表達變化。
  10. 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土壤溫度最低草溫蒸發及可能蒸散等,對于很多研究領域,包括氣候水文農業及土木工程設等,都是不可缺少的。
  11. In succession, the theory of chirped - pulse amplifier system is given in detail, firstly, studying from designing experimental light road and optical components to theoretical analysis, we par ' tly finished the system by ourselves. about ultr a - shoft pulse with a pulse - width of 9. 8f s and output power of 650mw and band - width of about l 20nm is output from oscillator source, secondiy, the stretching capacity of single grating four - pass stretcher is measured using abcd matrix combining collins function, and the effect of relativ e parameters to the streching ratio is also simulated. thirdly, a new type of disjunctional frequency moduiating function is provided according to the gain - narrowing and gain - saturation which are appeared in the co urse of amplification, under modulating the two effects are both controlled on some e xtent, fourthiy, the effect of ase that is often ignored by people is analyzed and the resolving methods are also given

    從光路、光元件的自行設到理論分析算,初步建立了一臺實驗系統;採用abcd矩陣法結合collins公式算了四通式單光柵展寬器的展寬,並模擬了相關參數對展寬比的影響,對實驗具有指導意義;評價了再生放大器和多通放大器的優缺點,對放大過程中通常忽略的放大自發現象( ase )進行了分析,並提出了相應的解決方法;針對放大過程中出現的增益窄化和增益飽和現象,對輸入種子脈沖提出了一種新的分段頻率調制函數,實現了對增益窄化效應和增益飽和效應的共同抑制;提出了系統的材料(包括放大介質和光路中的普通介質)正是融合高階色散的來源。
  12. Based on apdl, the design language of finite element analysis software ansys, and visual c + +, the software on acoustics design of underwater cylindrical shell structure is developed. when input parameter of the cylindrical shell in the interface redeveloped in this paper, the software execute the batch file of apdl in the vc process to establish the finite element modal and carry out the analysis, the analysis result and the vibration mode can also be displayed. furthermore, the software has been developed to process the acoustics optimization design of the finite cylindrical shell with stiffener in appointed frequency range

    本論文從便於工程實際應用出發,對使用有限元分析軟體進行二次開發以方便結構振動分析及改進結構設的方法和過程進行了研究,在此基礎上對水下航行器圓柱殼體的結構聲特性進行了分析,在指定頻率區間,對結構以振動聲功率級為目標函數進行了部分參數的結構優化設,與此同時,為了方便有限元分析軟體的使用和簡化設過程中大重復的工作,利用ansys提供的參數化設語言apdl ( ansysparametricdesignlanguage )結合vc對有限元軟體ansys進行了二次開發,形成了一體化的水下圓柱殼體結構聲軟體。
  13. Our research group is involved in several areas of theoretical and phenomenological cosmology : the earliest instants of time, when the universe formed, the cosmic microwave background, the cosmic dark ages, structure formation, dark matter and dark energy as well as the development and adaptation of mathematics, statistics and computation to advance the state of cosmology

    我們的研究團隊的研究范圍包括了理論宇宙和唯象宇宙的好幾個領域:原初宇宙狀態、宇宙微波背景、黑暗時期、物質結構的形成、暗物質和暗能和對數、統算在宇宙中的發展和應用。
  14. In this paper, the author will firstly introduce the meanings of the photometric units, photosynthetically active radiation and photosynthetic photon flux, then theoretically derive the relations of the three units above, and finally utilize the full range of spectral characteristics of three different lamp to illustrate the process of conversion

    該文在介紹人眼光度、促進光合作用功率和光合作用光子流的基礎上,主要從原理上推導出三個單位之間的轉換關系,最後用三種光源具體舉例算。
  15. At present, the measuring methods are not enough and these known methods are in all kinds of shortages. so the institude of atmospheric physics, chinese academy of sciences cooperate with jilin weather modification office, changchun consigning the institude of geograpy, changchun to develop the airborne up - looking microwave radiometer for the first time in china

    然而目前測的手段並不多,且已有的手段中又各有其局限,鑒于這種情況,中國科院大氣物理研究所與吉林省人工影響天氣辦公室合作,委託中國科院長春分院地理所在我國首次研製了對空機載微波
  16. Single - layer model is convenient to apply but the unclear relationship between radiative and aerodynamic temperatures is still a bottleneck in this field. a new method was developed to derive reliable surface heat fluxes from radiative temperature viewed from arbitrary zenith angle. aerodynamic and radiative temperatures are connected through a so - called optimum component fraction ( ocf ) parameter - the fraction of vegetation in the field of view when the two temperatures are equivalent in oblique viewing

    該方法利用表面熱方向性和顯熱通都是源於土壤和植被溫度的貢獻這一共同點,發現在一定傾斜角度的觀測下,視場中植被與土壤的比例可以較好地反映植被和土壤與大氣進行湍流熱交換的貢獻率,所以稱該方法為最佳組分面積比法,用最佳組分面積比可以將任意角度下觀測到的溫度訂正為空氣動力溫度,經過地面和遙感數據驗證表明,用該方法算的通精度高於普通的單層模型。
  17. In the temperature measurement, using a means of the optical fiber homochromous radiation temperature measurement, the mathematical model is created, and the temperature is monitored in real time. in the displacement measurement, the reflex mode method of displacement measurement of optical fiber is adopted. in order to eliminate the unstability of measurement system created by the illuminant receiving outside disturbance, the system designs referenced channel to assure the reliability of measurement and monitor the change of displacement in rea time

    在溫度測中,採用光纖單色式溫度測方法,建立數模型,實時監控溫度的變化;在位移測中採用光纖反式位移測方法,為消除光源受外界干擾給系統測帶來的影響,系統設了參考通道,以此保證測的可靠性和高精度,實時監控位移的變化。
  18. Based on the direct and scattering irradiance spectra measurements of ultraviolet waveband arrived at beijing ground surface by the sun - atmosphere ultraviolet spectrum radiometer ( sauvs ), a method for retrieving the atmospheric aerosols optical depth ( aod ) is given in this paper

    摘要利用太陽大氣紫外光譜( sauvs ) ,測到達北京地表的太陽直接和散紫外光譜,給出反演大氣氣溶膠光厚度的一種方法。
  19. With the operation conditions, the adsorber, the evaporator, the condenser, the receiver and the throttle are disigned. the adsorber is of the most importance in the adsorption system, so we provide the non - dynamic equilibrium model of active carbon fibre ( acf ) - methanol adsorption refrigeration pair. the numerical simulation is carried out based on the recorded solar radiation data measured in nanjing and daily ambient temperature for the typical clear days. the temperature field, the pressure field, the methanol concentration and the temperature of evacuted tube, and water tube are caculated

    吸附床是吸附製冷系統的核心,本文以活性炭纖維?甲醇為工質對,建立了吸附床非動態平衡吸附傳熱傳質數模型,以南京夏季典型一天中的強度和環境溫度為條件,模擬算了吸附床在通水冷卻和自然冷卻兩種狀態下,吸附床內各點壓力、溫度、吸附率、吸附總及真空管和冷卻水管壁溫隨時間變化關系。
  20. Nuclear instrumentation - guidelines for selection of metrologically supported nuclear radiation spectrometry systems

    核裝置.支持地核光譜系統選擇指南
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