輻射能的散射 的英文怎麼說
中文拼音 [fúshènéngdesǎnshè]
輻射能的散射
英文
scattering of radiant energy- 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) ...
- 能 : 能名詞(姓氏) a surname
- 的 : 4次方是 The fourth power of 2 is direction
- 散 : 散動詞1. (由聚集而分離) break up; disperse 2. (散布) distribute; disseminate; give out 3. (排除) dispel; let out
- 輻射 : radiation; exposure; radio; beaming
- 散射 : [物理學] [電學] scattering; radio scattering; scatter; dispersion
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Based on information of the source term and meteorological conditions, the acas models the transport and dispersion of the radioactive plume and predicts the associated exposure
,根據源項資料及氣象數據,模擬輻射煙羽在空氣中的擴散情況及預測市民可能受到的輻射煙羽照射。Using information of the source term ( information on the magnitude of the radiological release, including the amounts, types and ratios of the released radioactive materials ) and meteorological conditions, the acas models the transport and dispersion of the released radioactive materials and predicts the radiation dose to the public
根據輻射源項的資料(即事故釋放源的資料,包括放射性物質的釋放總量和各種放射性物質的相對比例等數據)及氣象數據,這套系統模擬是次核事故所泄漏的放射性物質在空氣中的擴散情況,及預測市民可能受到的輻射劑量。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學布洛赫方程,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,並且運用全量子理論,對激光工作原理進行分析,得出二能級系統單模輻射場的光子數密度分佈,得出激光場的光子統計分佈,模擬激光場的動態建立過程。Based on the fog drop size distribution model of radiation and advection fog, the backscattering characteristics of fog have been investigated and the empirical relations of the radar reflectivity factor and water content or visibility are obtained
對霧的雷達後向散射特性進行了分析和研究,得到了平流霧和輻射霧的雷達反射因子與含水量和能見度的經驗關系。The average pmv value indoor by ceiling heating is higher than the other two be used for room heating under same energy consumption, and the vertical distribution of indoor temperature results by either of the method in a heating room is different from that in a closed room
頂棚輻射供暖墻體具有一定蓄熱能力,使其節能性優于散熱器供暖和熱風供暖。在相同的能耗條件下,輻射供暖比散熱器供暖和熱風供暖的pmv值要高。Energy consumption of heating rooms will increase when air exchange rate become large. because the mechanisms of heating methods used currently, such as radiator heating, ceiling heating and warm - air heating, are different from each - other, the indoor thermal environment is not the same when each one of them employed for room heating. for enhancing energy efficiency of heating rooms, indoor thermal comfort and energy saving effects should be investigated when natural ventilation is used to make a good air quality indoors
房間換氣次數的增加勢必導致供暖房間能耗加大,頂棚輻射、散熱器和熱風等三種採暖方式由於供暖機理不同,形成的室內熱環境特徵不同,通風換氣時產生的通風熱損失也有所區別,為了提高大換氣量房間的供暖節能效果,必須對不同供暖方式在大換氣量情況下的熱舒適性與節能效應進行研究。Based on the structure and emission characteristic of the diode bar, a numerical calculation. model of the thermal dissipation was proposed and a related simulation of the effects of heatsinks parameters on the performance of the packaged laser was carried out
根據二極體條結構及輻射特性,建立了散熱過程數值計算模型,數值模擬研究了熱沉參數對封裝激光器性能的影響。In the focal plane of z = 0, the smaller the dss of the fhb, the higher the optical potential, and the greater the corresponding optimal detuning 8, which are beneficial to atomic lens because it cannot only be profitable to obtain an atomic lens with a higher resolution, but also helpful to reduce the spontaneous emission and photon scattering effects of atoms in the fhb
在焦平面上,聚焦中空光束的dss越小,光學勢越大,相應的最佳失諧量越大,這對原子透鏡的性能越有利。因為這不僅容易得到高解析度的原子透鏡,而且還可以減少在聚焦中空光束中原子的自發輻射和光子散射效應。In this paper, the target radiate characteristics and waveband selection of the infrared system reviewed briefly ; the suppression of the stray radiation in the infrared sub - system is discussed ; the material selection, the support structure and optimization of the primary mirror in the infrared sub - system of the theodolite, every factor which will affect the surface figure of the mirror is discussed in detail and get the result that in the circumstance of shooting range, the primary factor which affects the surface figure of the mirror in the infrared sub - system is temperature changing, this ca n be resolved by using material of low expansion coefficient and using same material in the mirror and the mirror seat
本文將對紅外系統的目標輻射特徵分析和波段選擇進行簡要回顧,討論紅外系統中雜散輻射的抑制,並詳盡分析經緯儀紅外光學系統設計中所涉及到的反射鏡的材料、支撐、結構和優化設計等問題,認真討論和分析影響主鏡的面形精度的各種可能因素。並指出:在靶場環境下影響經緯儀紅外分系統主鏡面形精度的主要原因是溫度的變化,這種情況可通過選擇低線膨脹系數的材料並且使鏡座和反射鏡採用相同的材料予以解決。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。The high buildings by the streets could effectively reduce the absorption of solar energy within the streets. in a word, l / h value did not affect the absorption of solar energy in a w - e street.
東西走向街區吸收的太陽輻射能不會因街道兩邊建築物的高度產生明顯變化,但是l h值太小時,會減慢街區內的散熱從而使溫度提高。Reduce the consumption of power and dissipation of radiation
減少能源耗用量和散發的輻射量。A study on the spreading ability of radiation - sterilized male moth of bombyx mandarina in field
輻射不育野蠶雄蛾田間擴散能力的研究From mathematical models for inverse scattering in two dimensional inho - mogenous media including variable impedance, all kinds of probable mixed variable impedance boundaries and cracks, from interior and exterior trans - mission problems and radiation condition, ill - posed integral equation and indicator function method are formulated for the diverse of boundary iden - tification. it is shown that the kernel of the integral equation characters the boundary of scatterer, which is determined by solving it by virtual of regularity method, meanwhile, some numerical tests are given. 3
在二維非均勻介質逆散射邊界識別的數學模型(包括一般的非均勻介質,正交各向異性介質,變阻抗介質,各種可能的混合變阻抗邊界問題)下,由內透射問題和外透射問題以及輻射條件,推導了上述介質的邊界識別的積分方程和指示函數方法,由於積分方程的核充分表徵了散射物的邊界,由此說明只要利用正則化方法求解該積分方程,就可以確定散射物的邊界。We presents a detailed studied of the linewidth of parametric light in clbo - opo caused by the linewidth of pumping beam, off axis phase matching, divergence angle of pumping, time above threshold, high gain coefficient of nlo crystal, fluctuate of cavitylength, spontaneous radiation, according to the momentum and energy conversion laws, and the sellmeier equations of the clbo, we calculated curves of the type - i and type - ii compared with the bbo ' s
根據能量動量守恆關系和clbo的色散方程,詳細分析了由於泵浦光的線寬、泵浦光偏軸泵浦、泵浦光的發散角、泵浦光功率超過參量光振蕩閾值一定倍數、高增益系數、有效腔長波動以及自發輻射引起的參量光線寬,並得到了與bbo晶體在類、類相位匹配下比較的理論曲線。In short, through retrieving the parameter such as surface albedo, surface temperature and surface emissivity, all the energy flux such as net radiance flux, soil heat flux and latent heat flux can be computed in sequence further, then latent heat flux which provide energy for et can be computed based on energy balance equation, finally instantaneous et and daily et can be obtained
總之,根據地表能量平衡方程,通過計算對地表反照率、地表溫度、地表比輻射系數、歸一化植被指數等參數進行反演,進一步計算出了地表凈輻射通量,土壤熱通量和潛熱通量,最後獲得了遙感影像成像時的瞬時蒸散及當天的總蒸散量。The thesis designs a hardware - in - the - loop - simulation system, including a virtual radiator and a pseudo radiator, as a betterment of the ground experimental system of thermal management so as to make it available for dynamic thermal simulation
本文利用半物理模擬的方法設計並建造了空間站熱輻射環境及輻射散熱器模擬系統,完善了空間站熱管理地面實驗系統使之能夠進行空間站的動態熱模擬實驗。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。The purpose of this work is to improve the space resolving power of the temperature measurement system for small laser - processed region. the main conclusions and contributions are as follows : 1. after expatiating upon the principle of radiation thermometry, we mainly discuss the effects on the space resolving power and the measurement precision of the real - time temperature measurement system by some factors
本文的工作就是圍繞輻射測溫系統空間分辨能力的提高技術展開的,主要的研究結果和創新之處如下: 1 .在闡述不接觸測溫原理的基礎上,討論了影響空間分辨能力及測溫準確性的兩種因素? ?強度點擴展函數有效分佈、進入系統中的雜散光。Scattering of radiant energy
輻射能的散射分享友人