面輻射強度 的英文怎麼說

中文拼音 [miànshèqiáng]
面輻射強度 英文
radiance; radiancy
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : 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) ...
  • : 強形容詞(強硬不屈;固執) stubborn; unyielding
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 輻射 : radiation; exposure; radio; beaming
  1. The variations of sea ice in the arctic ocean are simulated by using a improved high resolution hibler dynamic - thermodynamic sea ice model during 1979 - 1998. the model is driven by surface atmospheric and oceanic forcing consists of geostrophic winds, surface air temperature, specific humidity, and longwave and shortwave radiative fluxes provided by international arctic buoy program ( iabp ). the simulated results show that arctic sea ice have noticeable seasonal and annual variability

    利用一個hibler海冰熱動力模式,在改進了其熱力部分和改變模擬范圍以及提高解析的基礎上,以北極國際浮標計劃( iabp )提供的1979 - 1998年間逐日變化的日平均海平氣溫場,濕場,長短波場,風場,洋流場,海洋熱流量場為迫場,模擬了上述20年間北極海冰的時空演變。
  2. Emittance and irradiance are meaningful measurements of flux at a specific surface.

    只有對一定表上通量的量才是有意義的。
  3. The activation effect of zn2 + modification, including enhancement of emission intensity, slowing of luminescence decay and increasing of quantum yields, results from the formation of zns shell outside the nanoparticles, which is passivating the surface of nanoparticles, eliminating the surface quenching centers, so as to block the nonradiative transition pathways through these kind of quenching centers

    Zn ~ ( 2 + )表修飾在納米顆粒表形成了zns殼層,鈍化了納米顆粒的表,消除了表猝滅中心,阻塞了通過表猝滅中心進行無躍遷的通道,從而使得發光增加,衰減變慢,量子效率提高。
  4. 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.計算中將發熱棒分解為無數微元發熱與燒結體進行熱交換,依據定律,建立了燒結體接收能量的數學模型,並用計算機進行了模擬計算.結果表明,依據模擬結果來優化硅碳棒的排布,可使結構設計更加合理,進而可以獲得分佈均勻的恆溫區溫場.計算結果已在窯爐設計中應用,實踐效果良好
  5. Abstract : it is observed that the sommerfeld ' s formula for a progressive spherical wave is not covariant with respectro the rotation of the coordinate system. it contains complex partial waves that are not physical. the standing wave representation of the same formula is shown to be covariant and physical. it is applied to solve the boundary value problem of fiber optics. the radiation modes as well as the guided normal modes are obtained in closed forms. the intensity distribution in various modes is obtained. it is remarked that the mode of critical refraction is missing

    文摘:說明了球行波的索末菲公式在坐標轉動下不協變.證明了球波的駐波表示是協變的,因而是一個物理的關系式,故適用於圓柱坐標中各類波動方程的定解問題.作為一個例,應用於光纖光學,導出了受導簡正模和模的表達式,以及各模式的分佈
  6. The result shows that the pbg structure has obvious character of forbidden band at the suitable size, and can be designed to good performance microwave filter. the pbg structure have the character of high resistance, that can reinforce the forward radiation, and reduce the backward radiation, increase the directivity, improve the gain and ameliorate the performance of the antenna. in addition, the pbg structure can also greatly increase the isolation and significantly decrease the coupling between the antenna elements

    研究結果表,取合適的尺寸時, pbg結構具有明顯的禁帶特性,可以設計成性能良好的微波濾波器; pbg結構具有高阻特性,把這種特性用於微波天線時, pbg結構可以加前向,減小後向,增大天線的方向性系數,從而提高天線的增益,改善天線的性能,另外, pbg結構還可以大大提高天線單元之間的隔離,顯著減小天線單元間的耦合。
  7. In this thesis, wide - fov ( field - of - view ) optical systems with optical gain based on fov and optical gain of laser detection and warning optical system are studied. it can solve the problem of wide fov matching with small photosensitive surface, enhance the power received, increase detecting sensitivity, reduce the power of laser and decrease the cost of laser accordingly

    本文正是針對上述問題,從激光探測光學系統的視場和光學增益出發,研究寬視場有增益光學系統,解決大視場和小光敏匹配的矛盾,增接收到的光功率,提高探測靈敏,降低對激光源功率的要求,從而降低相應激光器的成本。
  8. 3. on boiler retrofit, the calculation of fuel burning, the heat calculation of boiler inside structure and convection section, and the design of structure parameter of feed water heat exchanger are made. the flue gas channels " resistance calculation and the boiler strength verifying are also carried out. replacement of water cooling wall improves heat exchanging and decreases loss of heat radiant

    對鍋爐本體進行了燃料燃燒計算、爐膛結構熱力計算、對流受熱結構熱力計算、鍋爐給水加熱器結構參數設計、煙道阻力計算及鍋爐元件校核等;改進了水冷壁布置使換熱效果更好,減少換熱損失;改進對流段結構,更充分的利用爐膛出口煙氣余熱,提高熱效率;並且進行了煙氣阻力計算、熱效率計算和能量平衡測試,對改進后的稠油燃料和改進前進行了對比,燃燒狀況和熱效率有明顯改善。
  9. The maximum of instantaneous global radiation is beyond 1000w / m2 and the ten - days average intensity is 338. 90w / m2 because of high atmospheric transparency over semi - arid rainfed agriculture region of loess plateau between june and august. global radiation, reflected global radiation and surface long wave radiation emerge the characteristic of daily variations on a typical clear day and cloudy day, whereas atmospheric long wave radiation has not this characteristic. meanwhile, net radiation, latent heat flux sensible heat flux and soil heat flux appear the same characteristic as the mean daily variations above spring wheat field and bare soil on a typical clear day and cloudy day

    黃土高原半乾旱雨養農業區夏秋季大氣透明較高,晴天地的總值最大瞬時值均超過1000w m ~ 2 , 6 8月總旬平均為338 . 90w m ~ 2 ;典型晴天和陰天總、反、地表長波均表現出明顯的日變化特徵,而雨天沒有明顯的日循環規律;無論是晴天、陰天還是雨天,大氣長波基本沒有明顯的日變化規律。
  10. The results show that a warm high ridge at the middle level and transformed surface cold high over the plain provide a good background condition ; a cooling process produced by net surface radiation fluxes is the trigger and strengthening mechanism for the fog event ; the subsidence flow at the middle and low tropospheric levels is favorable for the setting - up and maintenance of stable stratification at the boundary layer and weak wind condition at the ground layer over the fog region ; the transportation of weak warm advection at lower levels and weak lift motion at the boundary layer play a very important role to the long maintenance of the fog event ; the intrusion of north wind accompanied by cold advection is a main dynamic factor of the fog dissipation

    結果表明:在中高層暖性高壓脊及地變性冷高壓穩定維持的大尺背景條件下,地表凈引起的近地層冷卻是大霧過程的觸發和加機制;中低空下沉氣流的存在有助於近地層的弱風條件和穩定層結的建立;低層暖平流的輸入和邊界層的淺層抬升是大霧長時間持續的原因;伴隨冷空氣南下的偏北大風是驅使大霧消散的動力因子。
  11. Then some cavity quantum electro - dynamic ( cqed ) effects are studied by experiment. the photoluminescence ( pl ) intensity enhancement at resonance wavelength and suppression at off - resonance wavelength, emission spectrum narrowing as well as emission intensity redistribution in space are observed in the microcavity device fabricated with distributed bragg reflector ( dbr ) and silver mirror as well as that done with two silver mirrors

    分別在帶有dbr結構的平微腔及全金屬鏡構成的平微腔中觀察到了諧振模式處的及非諧振模式處的抑制,發譜線窄化以及空間分佈重組等腔量子電動力學現象。
  12. 5. the luminescence enhancement of eu3 + was also observed after ultraviolet irradiation but was weaker than the zns : mn2 + and the branch ratio of 5d0 - 7f0 increased after irradiation. it indicates probably the contribution from the centers in the surface of nanoparticles increased

    在紫外光的照下首次觀察到eu3 +離子發光的熒光增現象,照后5d0 < wp = 5 > 7f0發分支比增加,表明對稱性較低的發光中心對發光的貢獻增加,可能是處于顆粒表的eu3 +離子對發光的貢獻增加。
  13. The optimized experimental conditions are determined and the densities of some elements in the mental alloy standard samples are measured. the experimental results shows that the spectral intensity of the plasma enhances significantly with the increase of the operating voltage and the power density. ( 1 ) to the steel ally sample, the emission intensities of the spectra reach to the maximum values when the laser operating voltage is 1600v and the argon pressure is 600 torr. under the same pressure, the spectral intensity of the plasma in the argon atmosphere is stronger than that in the air. when the argon pressure is 320 to rr, the signal - noise ration is about 5 times than that which the argon pressure is 700 torr, but the temperature of plasma is less about 1000k

    ( 1 )對于光譜標鋼準樣品,當激光器工作電壓為1600v 、氬氣壓力為600乇時,譜線達到最大,並且在相同壓下,氬氣中的等離子體與空氣中的等離子體相比,其明顯增;氬氣壓力為320乇時的譜線信背比約為600乇條件下的5倍,而等離子體溫卻下降了近1000k ,即等離子體溫隨環境氣壓的增大而增大;當激光束的焦斑在樣品表上下移動時,激光誘導量、等離子體的激發溫、譜線都呈不對稱性分佈,其最大值對應的焦斑位置都位於樣品表之下0 . 4mm左右。
  14. The regression equation to estimate the cloud shortwave radiative forcing was established, the result can be used to estimate the cloud shortwave radiation forcing, thus remedying the shortage of radiation data. the surface global radiative flux which occurs for clear skies was computed by using modtran3 model and sounding data and that which actually occurs with cloudiness was from the routine data

    利用中解析計算模式modtran3和站點的探空資料以及地資料,計算出無雲情況下的地,再與實際情況下的實測地結合得出雲對太陽迫,分析了短波雲迫和實測地的關系。
  15. Experimental results on butane and butane - plant oil flames indicated that, measurement precision by the multi - wavelength method is strengthened by taking radiation information on multiple wavelength units into consideration, and moreover, the radiation calibration procedure is simplified, in that a halogen light source is used instead of in situ flame radiation. in section 2, fluctuation and averaging analyses are carried out on optical transmission signals by particles passed through laser beams to derive particle size and concentration in measuring area, furthermore, correlation calculations are conducted on two adjacent laser beam signals to obtain flowing velocity of particle

    對丁烷氣體火焰及丁烷-植物油混合燃料火焰的測量結果表明,多波長分析方法優于傳統的雙色法,表現在兩個方:一、由於綜合考慮多個波長單元上的火焰信息,多波長方法的測量精比雙色法有較大的提高;二、在多波長分析方法中,採用標準鹵素燈進行相對標定,簡化了雙色法中的火焰絕對的標定。
  16. Testing method on transmittance, reflectance and emittance of flat glasses and evaluation of solar heat gain coefficient

    玻璃的透率反的試驗方法和太陽增熱數值的評估
  17. The exo - atmospheric combat enviroment is introduced, including the outer - space ’ s optical signature, the optical and dynamic signature of the potential targets. the research focus is the precessing rv and tumbling decoy ’ s irradiance intensity ’ s periodical changing rule. a double periodical function model is presented to simulate their irradiance functions

    根據空間彈道目標的光學與運動學特性,重點研究了進動旋轉的彈頭和翻滾運動的誘餌的光學序列信號的周期性變化規律,並採用雙周期性函數來表示該光學信號,以反映彈頭和誘餌在運動特性和表特徵方的差異。
  18. Through regulation of the heater power, the solar radiation varying with the time was simulated. the collector was 10 square meter

    通過調節電加熱器的功率,模擬了太陽隨時間的變化情況,模擬集熱器積10m ~ 2 。
  19. The main works and results are as follows : 1. by use of one order multiple scattering theory, light scattering and reflection by a single coating layer is analyzed. the variance of radiation intensity, bidirectional reflection distribution function ( brdf ) and laser radar scattering cross section with coating layer parameters is given, with the effect of rough contrast on bidirectional reflection distribution function

    本文主要研究了單層和多層塗層結構介質的光散特性,以及近場條件下復雜目標對激光波束的散,其主要工作如下: 1 、採用一階多重散近似理論分析單層塗層對光波的散和反,計算並討論了、雙向反分佈函數和單位積激光雷達散隨塗層結構參數的變化規律,數值分析了粗糙基底對雙向反分佈函數的影響。
  20. In the paper, the following work was accomplished by theoretical analysis, numerical simulation and experiments : this paper analysis the weather character in beijing, solar irradiance in south wall of buildings and inner surface temperature of south windows and wall in winter has been calculated hourly. with the winter solar irradiance character, calculating the hourly heat load

    主要研究內容如下:本文對北京地區的氣候進行了分析,對冬季建築物壁的太陽、南外窗和南外墻的內壁溫進行了逐時計算,並結合冬季太陽的特點進行了逐時熱負荷計算。
分享友人