輻射發散度 的英文怎麼說

中文拼音 [fúshèfāsǎndù]
輻射發散度 英文
radiant emittance
  • 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） ...
  • 發 : 名詞（頭發） hair
  • 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
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 輻射 : radiation; exposure; radio; beaming
  1. A beam of high radiant power will have high divergence.

    高輻射功率的光束會有高的發散度。
  2. Topics include : planets, planet formation ; stars, the sun, " normal " stars, star formation ; stellar evolution, supernovae, compact objects ( white dwarfs, neutron stars, and black holes ), plusars, binary x - ray sources ; star clusters, globular and open clusters ; interstellar medium, gas, dust, magnetic fields, cosmic rays ; distance ladder ; galaxies, normal and active galaxies, jets ; gravitational lensing ; large scaling structure ; newtonian cosmology, dynamical expansion and thermal history of the universe ; cosmic microwave background radiation ; big - bang nucleosynthesis

    課程的主題包含了：行星、行星形成；恆星、太陽、正常的恆星、恆星形成；恆星演化、超新星、緻密天體（白矮星、中子星及黑洞） 、波霎、雙x -射線源；星團、球狀及疏散星團；星際介質、氣體、塵埃、磁場、宇宙射線；距離階梯；星系、正常及活躍星系、噴流；重力透鏡；大尺度結構；牛頓宇宙學、宇宙的動力膨脹及溫度發展歷史；宇宙背景微波輻射；大霹靂核合成。
  3. 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。
  4. 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面變性冷高壓穩定維持的大尺度背景條件下，地表凈輻射引起的近地層冷卻是大霧過程的觸發和加強機制；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。
  5. We give ptr ' s amplitude and phase signal of one dimension based on the theory of ptr, discuss the ptr ' s signal ' s frequency characteristic, and a method for measuring thermal diffusivity of opaque materials is introduced. then, we study on anisotropic materials " thermal conductivity, the temperature field and thermal conductivity tensor of anisotropic materials is theoretically deduced from the theory of ptr, and is proved by the experiment

    從光熱輻射理論出發，推導出一維情況下ptr信號的振幅和位相表達式，討論了光熱信號的頻率特性，介紹了一種用ptr技術測量不透明材料熱擴散系數的優化方法；接著研究分析了各向異性介質受調制激光束輻照下產生的光熱信號，在理論上推導出各向異性介質的溫度場以及熱導率張量並給予一定的實驗驗證。
  6. By the late 1980s, scientists had learned that methane traps more heat than an equivalent concentration of co2 because it absorbs a wider range of wavelengths of earth ' s outgoing radiation

    1980年代後期，科學家即知道甲烷捕捉的熱大於等濃度的二氧化碳，因為散發自地球的輻射中，甲烷能吸收的波長范圍較廣。
  7. 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。
  8. By calculating the feynman diagram in rtf, we find that when taking into account both the thermal photon emission, absorption and the virtual photon exchange processes, the infrared divergences at zero and finite temperature can be cancelled at the same time. the full quantum calculation results for soft photon radiation coincide completely with the poisson distribution obtained in the semiclassical approximation ( the coupling of the classical current and quantized field )

    通過實時溫度場論下的費曼圖計算，我們得到：將實光子的發射、吸收，虛光子的交換過程同時考慮時，零溫場論中出現的和由溫度效應引起的紅外發散都能得到消除；並且完全量子場論下的軟光子輻射幾率與半經典近似下（經典的電流和量子化的電磁場之間的耦合）得到的泊松分佈結果完全一致。
  9. Some variables regional distribution over south ningxia is given out in the course of evapotranspiration estimation : the regional distribution of surface characteristic parameters ( normalzed difference vegetation index, surface albedo, surface temperature ), radiation balance components ( surface absorbed shortwave radiation, surface longwave radiation, atmospheric counter radiation, net radiation ), surface heat and balance components ( soil heat flux, sensible heat flux, latent heat flux )

    估算區域蒸發（散）量的過程中，得到許多有意義的量：地表特徵參數（植被指數ndvi 、地表反射率、地表溫度） ；地表輻射平衡各量（地表短波吸收輻射、地表長波輻射、大氣逆輻射、地表凈輻射） ；地表熱量平衡各量（土壤熱通量、顯熱通量、潛熱通量） 。
  10. This paper proposed a multizone and multidimensional radiation heat transfer model of g4135 diesel engine, including a combustion chamber space zone - model, a radiate temperature model, a radiate emission coefficient and an absorption coefficient model

    摘要對g4135直噴式柴油機建立了一個輻射多區多維模型，包括缸內工質的幾何空間模型、輻射溫度模型、輻射發射系數、吸收系數以及燃料油滴的散射系數模型。
  11. Compared the heating load ( and energy consumption ) of a same room with floor heating or radiator heating under same operative temperature. revealed the energy consumption of floor heating room could reduce 5 % ~ 10 % to radiator heating, and the heating load could reduce 10 % ~ 15 %. the main season of energy efficiency is due to no apparent high temperature zone in floor heating room, which avoid additional heat loss in outside envelopes, rather than the lower of indoor air temperature

    利用對連續供暖房間溫度場的研究結果，對分別採用上述兩種供暖方式的典型房間的熱負荷和能耗進行了全面分析后發現：低溫地板輻射供暖房間熱負荷比散熱器供暖房間可降低10 15 ，能耗可降低5 10 ；低溫地板輻射供暖房間節能的主要原因並不是由於房間空氣溫度可以降低，而是消除了室內空氣局部高溫區，避免了由此產生的在外圍護上的附加傳熱量。
  12. To derive the accumulated daily evapotranspiration from remotely sensed instantaneous evaporation rate is a key step to use this kind of information in other domains. so - called simplified methods and self - preservation methods were introduced and compared, and a self - preservation method was validated using field and remote sensing data

    論文的最後部分討論了從瞬時蒸散速率推算日蒸散量的方法，介紹了簡化法和蒸發比率法的基本思路，分析了存在的主要問題，並用地面數據和遙感數據驗證了蒸發比率法中以長波上行輻射作為分母的方法，結果表明方法可行，精度基本可以滿足要求。
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