正面輻射 的英文怎麼說

中文拼音 [zhēngmiànfúshè]
正面輻射 英文
head on radiation
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 面 : 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...
  • 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） ...
  • 正面 : 1 （人體前部那一面; 建築物臨街的一面; 前進的方向） front; frontage; facade 2 （主要使用的一面） t...
  • 輻射 : radiation; exposure; radio; beaming
  1. 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:說明了球面行波的索末菲公式在坐標轉動下不協變.證明了球面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輻射模的表達式，以及各模式的強度分佈
  2. Al. first applies the color - dipole approach to drell - yan process, which says that in the target rest frame the drell - yan process can be viewed as bremsstrahlung. rather than parton annihilation. according to factorization theorem, the drell - yan cross section can be expressed in terms of the same dipole cross section that appears in deep inelastic scattering

    雖然高能反應的微分截面是洛侖茲不變的，但其部分子解釋卻是與坐標系有關的，最近， b . z . kopeliovich等提出靶靜止系中drell - yan過程的色偶極模型，他們認為，在靶靜止系高能碰撞的drell - yan過程是一韌致輻射過程而不是正反夸克對的湮滅。
  3. 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，從激光輻射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面匹配的矛盾，增強接收到的光功率，提高探測靈敏度，降低對激光輻射源功率的要求，從而降低相應激光器的成本。
  4. The main concern is the genetic effects due to irradiation of this organ and the probability is proportional to the absorbed dose

    在致癌方面，生殖腺對輻射的敏感性較低，主要的考慮是遺傳效應，發生率與劑量成正比。
  5. The probability of cancer induction in this organ is comparatively low. the main concern is the genetic effects due to irradiation of this organ and the probability is proportional to the absorbed dose

    在致癌方面，生殖腺對輻射的敏感性較低，主要的考慮是遺傳效應，發生率與劑量成正比。
  6. After solution of radiational and diffractional fluid field of asymmetrical sections by applying the multipole expansion method, wave loads on damaged ships are calculated by the linear strip theory under the non - upright floating condition, taking the effect on the heel angle and trimming angle caused by the damaged tank inundation below waterline into account

    然後採用線性切片理論，計及水線以下破損后船舶由於艙室進水產生的橫傾角與縱傾角的影響，利用多級展開法求解非對稱剖面的二維輻射和繞射流場，計算了破損船體非正浮狀態條件下的波浪載荷。
  7. Since there exists ill - posedness in reconstructing velocity on the surface and reconstructing pressures in the field, this paper attempts to introduce an iterative regularization method to resolve such inverse problems

    由輻射聲壓重構結構表面振動速度和聲場聲壓存在解的離散病態問題，試圖利用一種迭代正則化方法來解決此類逆問題。
  8. Matched with the highest laser printing resolution of 2, 400dpi thatvs made possible with various print technology like the vertical - cavity surface emitting laser vcsel and the emulsion aggregate - high grade ea - hg toner

    垂直表面輻射激光技術vcsel和ea - hg墨粉技術使該設備能實現真正的2 ， 400dpi高精度激光列印。
  9. The compact algorithms for heat release from floor, indoor thermal environment, control characteristic and energy efficiency of room with imbed pipe floor heating system were studied in this dissertation. the heat release from floor is key nodes in designing of imbed pipe floor heating systems. the existing plate fine model is corrected to improving its accuracy by amending the temperature of fine root

    文中對原有的平面肋片簡化演算法採用了肋基溫度修正，提高了其計算準確度；根據埋管低溫熱水輻射地板結構特點，利用地板導熱形狀因子計算地板當量熱阻，首次提出了更為簡便的當量熱阻演算法，該演算法將影響地板傳熱的物性參數和各種結構參數歸結到當量熱阻中，方便於工程分析和計算。
  10. In this text, the principles of the radiation temperature measurement are related in detail. and some basic theories and the law on the black object radiation are included

    這裏面最為重要的是普朗克定律和維恩位移定律，也正是這兩個十分重要的輻射定律成為了本課題的基本理論和最初依據。
  11. A positive radiative forcing tends on average to warm the earth s surface ; a negative radiative forcing tends on average to cool the earth s surface

    正值的輻射力會使地球表面變暖，負值的輻射力使地球表面變涼。
  12. Abstract : the in servie tubular heaters built early in refineries and chemical plans have low thermal load and low heat efficiency, therefore measures for technical reform are offered, including ( 1 ) enlarging the surface area of convection tubes to increase the thermal load of rhe convection section ; ( 2 ) increasign the heat interchanging area of radiant tubes ; ( 3 ) changing the height of the chimney ; ( 4 ) using new burner with forced air supply to increase calorific capacityu ; ( 5 ) adding air preheater between the convection section and chimney to enhence the temperature of the air entering the furnace ; ( 6 ) adopting high temperature radiant coating to improve the effect of radiant heat interchanging

    文摘:針對早期建造的煉油廠和化工廠在役管式加熱爐熱負荷和熱效率低的狀況，提出了若干技術改造措施包括，增大對流管表面積以增大對流段的熱負荷；增加輻射管的換熱面積；修正煙囪高度；換用新型燃燒器，變自然通風為強制供風，以增大燃燒器的發熱量，減小過剩空氣系數，節省燃料2 % 3 % ；在對流段和煙囪之間增設空氣預熱器以提高空氣入爐溫度；採用高溫輻射塗料增強輻射換熱效果，從而增加熱源對爐壁的輻射傳熱量和爐管的傳熱量等。
  13. The in servie tubular heaters built early in refineries and chemical plans have low thermal load and low heat efficiency, therefore measures for technical reform are offered, including ( 1 ) enlarging the surface area of convection tubes to increase the thermal load of rhe convection section ; ( 2 ) increasign the heat interchanging area of radiant tubes ; ( 3 ) changing the height of the chimney ; ( 4 ) using new burner with forced air supply to increase calorific capacityu ; ( 5 ) adding air preheater between the convection section and chimney to enhence the temperature of the air entering the furnace ; ( 6 ) adopting high temperature radiant coating to improve the effect of radiant heat interchanging

    針對早期建造的煉油廠和化工廠在役管式加熱爐熱負荷和熱效率低的狀況，提出了若干技術改造措施包括，增大對流管表面積以增大對流段的熱負荷；增加輻射管的換熱面積；修正煙囪高度；換用新型燃燒器，變自然通風為強制供風，以增大燃燒器的發熱量，減小過剩空氣系數，節省燃料2 % 3 % ；在對流段和煙囪之間增設空氣預熱器以提高空氣入爐溫度；採用高溫輻射塗料增強輻射換熱效果，從而增加熱源對爐壁的輻射傳熱量和爐管的傳熱量等。
  14. 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

    流行病學結果顯示長期小劑量輻射接觸與染色體不分離呈正相關，為進一步在細胞遺傳學和分子生物學方面研究小劑量電離輻射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，用外周血染色體計數和單細胞受精卵染色體計數的方法研究小劑量輻射和拓撲異構酶復旦大學2000級博士生學位論文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，用免疫細胞化學染色、 westernblot 、 rt pcr等方法研究了電離輻射引起拓撲異構酶a表達變化。
  15. In addition, the mom - po hybrid method is proposed to dissect radiation from radome - enclosed antennas and the correction impedance matrix upon which the solution to equivalent currents of radome ' s surface depend is built. a comparative analysis of those methods is finally presented to examine respectively their accuracy as well as computational efficiency

    最後，對矩量法物理光學法的混合演算法分析問題的過程進行討論，給出混合演算法分析帶罩天線輻射問題的具體解決方案，建立混合演算法求解天線罩表面等效電磁流的校正矩陣。
  16. Finally, applying the current basis function of three - term sinusoidal expansion, the radiation characteristic and input impedance of the vertical and horizontal antennas above lossy ground are analyzed by the method of moments with the variation of frequency, height from the ground and ground parameters

    最後，用矩量法，採用正弦插值基函數，研究地面上方垂直、水平線天線的輻射特性和輸入阻抗隨著頻率、離地高度、地面參數等變化的情況。
  17. Measurement and monte - carlo correction of neutron radiative capture cross section for 75as

    中子輻射俘獲截面的實驗測量及蒙特卡羅修正
  18. Three absolute radiometers compare with the solar irradiance absolute radiometer ( siar - 1 ) respectively on ground, and calculate the corrected coefficient of three absolute radiometers relativity to wrr respectively. seven calibrated factors are introduced, and the formula of every calibrated factor is showed, which according to the principle and the work in fact of stim. it can truly calculate corrected coefficient of every calibrated factor by formula

    在地面，通過把三臺絕對輻射計分別與同世界輻射基準wrr比對過的絕對輻射計siar - 1進行了比對，分別計算出了三臺絕對輻射計相對於世界輻射基準wrr的修正系數；在空間，結合太陽輻照度監測儀的工作原理及其實際工作情況，研究出了太陽輻照度監測儀星上測量七項校正因子的計算公式，通過這些公式能夠準確地計算出各項校正因子的修正系數。
  19. 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

    該方法利用表面熱輻射方向性和顯熱通量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輻射溫度訂正為空氣動力學溫度，經過地面和遙感數據驗證表明，用該方法計算的通量精度高於普通的單層模型。
  20. Radiant floor heating is getting more and more popular, and has become the symbol of high quality heating, some people even remove the expensive imported wooden floor, and reinstall floor heating system, and real estate companies are also installing radiant floor heating system in their sample apartment, as the new spotlight in the housing sales advertisements

    地面輻射採暖正日漸流行，成為供暖高品質的象徵，有人甚至不惜拆除昂貴的進口實木地板，重新設置地面採暖系統，房產開發商也在樣板間中設置地面輻射採暖系統，作為房屋銷售廣告中的新亮點。
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