透射率 的英文怎麼說
中文拼音 [tòushèlǜ]
透射率
英文
permeability-
Opacity is the reciprocal of transmission.
阻光率是透射率的倒數。Standard test method for determining transmissivity of nonleaky confined aquifers by the theis recovery method
用泰斯復原法測定非越流性封閉含水層透射率的標準試驗方法Standard test method for determining transmissivity and storage coefficient of bounded, nonleaky, confined aquifers
測定有限的,非越流性,封閉含水層透射率和蓄水系數的標準試驗方法The main results achieved in this thesis can be summarized as follows : 1. by means of the fourier series expansion, an approximate analytical propagation equation of flattened gaussian beams ( fgbs ) passing through an apertured paraxial abcd optical system is derived, and illustrated with numerical examples, when the transmissivity of the aperture is t ( x ) = cos ( x )
用傅立葉級數展開法研究了平頂高斯光束通過有光闌限制的近軸abcd光學系統的傳輸特性,導出了光闌透射率為t ( x ) = cos ( x )時的近似解析傳輸公式,硬邊光闌的情況可作為= 0的特例得到。The quartenvave film stack based on one dimensional photonic crystal technology is designed. the measurement of the ir band is relatively mutual while that of mmw band is lack of report. the reflectivity of ir area ( 3 - 5 m ) by fourier transform infrared spectrometer ( ft - ir ) is given, and the experimental data of mmw band in microwave network analysis is also given
本文給出了直接在傅立葉紅外光譜儀中進行的紅外波段透射率(實際是反射率)測量結果,在毫米波波段,通過自行設計的測試方法與測試系統,給出了在hp8510矢量網路分析儀下測得的未鍍膜、鍍膜樣品的比對測試結果。It is concluded that the stress transmission rate varies with stress wave s incident angle
通過對相似模型超動態應變的測試驗證了所得理論公式的正確性,並獲得了透射率隨入射角的變化規律。The maximum of electron dwell time in the irradiated area is relation to the transmission ; 4
電子在輻照區逗留時間的與透射率有對應關系; 4Mapping of spatially explicit distribution of solar radiation. using the digital elevation model ( dem ) data as input, the distribution of extraterrestrial radiation and possible sunshine duration from january to december were mapped both for chongqing ( resolution of 100m x100m ). integrated with kt and kb, the distributions of direct and diffuse radiation were also mapped for long - term mean
太陽輻射空間分佈研究利用dem數據,完成了重慶市100m 100m各月天文輻射和可照時間的空間制圖;結合晴空指數、直接透射率的模擬結果,分別完成了氣候平均狀況下重慶市100m 100m的起伏地形下各月太陽直接輻射、散射輻射空間制圖。The slopes can be made quite steep, but the peak transmission will decrease accordingly.
欲使兩側的斜度很陡,則必須以損失峰值透射率為代價。Film defect influences on transmissivity of multi - layer film
多層膜膜層缺陷對透射率的影響Absorptivity, reflectivity and transmissivity depend upon the wave length of the radiant energy striking the surface and also upon the temperature of the surface.
吸收率,反射率和透射率取決于打在物體表面上的輻射能的波長,也和物體表面的溫度有關。Method for testing cryogenic transmissivity of crystals
低溫下晶體透射率的試驗方法Test method for measuring the transmissivity of transparent parts
測量透明零件透射率的試驗方法The optimal transmissivity of inhomogeneously broadened single - mode laser
非均勻加寬單模激光器的最佳透射率Photography - camera lenses - measurement of iso spectral transmittance
攝影.攝影鏡頭. iso光譜透射率的測量Test method for visible light transmittance of fine ceramic thin films
精細陶瓷薄膜的可視光透射率的試驗方法Photography - camera lenses - method for measuring iso spectral transmittance
攝影.攝影機鏡頭.測量iso光譜透射率的方法The main cause of signal ' s decrease in infrared channel of spacecraft flying remote sensing instrumentation is water vapor deposition on the surface of low temperature optical instruments which released from materials
摘要空間遙感儀器紅外通道的信號衰減,人軌初期的主要原因是由於材料釋放的水汽在低溫光學窗口表面沉積,導致紅外透射率降低所致。Measuring the intracavity loss of laser. in the theory, we analyze the relation of output power and input power of the different transmission rate of output mirror. using the experiment validated the theory result
實驗上測量了激光器的內腔損耗,並計算得到在泵浦功率等於2 . 2w時,最佳輸出耦合透射率t _ ( opt ) = 5 . 2 。2. we design a configuration of frequency - doubler according to the optimum focus condition and the cavity stability condition | a + d | < 2 and optimize it based on " mode - matching " and " optimum coupling ". 99. 96 % of optical impedance - match efficiency and over 95 % of spatial mode - matching efficiency are achieved eventually by using t = 10 % of input coupler in our experiment
( 2 )根據最佳聚焦條件和腔的穩定性條件( | a + d | 2 )對四鏡環型倍頻腔進行了設計,並分別從「模式匹配」和「最佳輸入耦合鏡透射率的選擇」兩方面著手對腔進行優化,在我們的實驗中採用10的輸入耦合鏡,獲得阻抗匹配效率為99 . 96 ,空間模式匹配效率高於95以上的模式。分享友人