電反射率 的英文怎麼說
中文拼音 [diànfǎnshèlǜ]
電反射率
英文
electroreflectance-
Then, we caculate the dynamic character of the reflective mtn cell with the optimized parameter, give out the distribution of velocity, twist angle and tilt angle at the midle of the mtn cell when switch on or off in consideration of the backflow
並針對選定參數的mtn液晶盒作了動力學上的計算。文中分別了給出mtn盒在加電壓和撤電壓時,引流效應對反射率的影響,並比較指向矢,速度,中間層的傾斜角等參量分佈的情況。Surface treatments. anodized aluminium and aluminium alloys. measurement of total reflectivity using a photoelectric reflectometer
表面處理.陽極氧化鋁和鋁合金.總反射率的測定.用光電反射系數計測量總反射系數Cold rolled, bright annealed and skin - passed, the product has excellent brightness and good reflexivi ty like mirror, used for lectrical appliances, mirror, kitch en apparatus, ornament materials etc
經冷軋后施以光亮退火,並經過平整得到的產品。表面光澤度極好,有很高的反射率。如同鏡面的表面。用於家電產品、鏡子、廚房設備、裝飾材料等。This article studies on a novel method about detector calibration and monochromator calibration by using silicon pin photodiode. the detector and the monochromator of one spectrum measurement system had been calibrated using the method, and the spectrum distribution of one laser - produced plasmas ( lpp ) source with jet gas target was measured. the use of a specific combination of the silicon photodiode and multiplayer reflect films is the notable character in monochromator calibration
本文研究了一種利用光電二極體傳遞標準探測器標定普通探測器和單色儀系統的方法,實際標定了所用的探測器和單色儀系統,測得了噴氣靶激光等離子體光源的相對光譜分佈,設計出絕對光譜分佈的測量方法,並且利用labview的g語言及相應的數據採集卡等硬體設備構造出一套智能化、高效率的測量系統,完成了多層膜反射率測量工作。As the isotropic etching being related to the resistivity of the si material and combining the practical need of the solar cell production, the paper emphasis on the etching of the multicrystal si with resistivity of about 1. cm. the results : ( 1 ) reflectance characteristics the appropriate etching solutions has led to a reduction of the total integrated reflectance to 5. 7 %, which is quite comparable with conventionally pretextured si surface covered by a double layer arc
由於以hf + hno _ 3 + h _ 2o為溶液各向同性腐蝕與矽片的摻雜濃度有關,結合生產太陽電池的實際需要,本文重點研究了電阻率1 . cm左右的多晶硅的腐蝕情況,結果如下: ( 1 )反射特性在適當的hf + hno _ 3 + h _ 2o溶液中制備的多晶硅電池的絨面,其反射率降到了5 . 7 。In general, microwave anechoic chamber can be designed in the following steps : 1. deciding microwave anechoic chamber dimensions in terms of measurement project and eut ( equipment under test ) dimensions
在對暗室靜區反射率電平進行計算以前,本文先討論了微波暗室的設計,主要可分為以下幾個步驟: 1根據測試項目和被測件的大小,決定暗室的尺寸。Second, the paper calculates some rfss ( radio frequency simulation system ) anechoic chamber to use go ( geometrical optics ) and gives the detailed calculating course and consequence. then compares it with measured consequence, observes that they tally well. so, the model of microwave anechoic chamber is right
本文採用幾何光學法計算了某射頻模擬微波暗室,並詳細給出了計算過程,最後得到了靜區反射率電平的計算結果,然後將其與實測結果進行比較,發現基本吻合。Then, after computing xpd induced by rain, its forecast model at different propagation distance is found. this paper also discusses the relation of reflectivity of rain with rainfall rate, taking different polarization wave into account, and that of fog with visibility
在研究了雨、霧介電特性的基礎上,計算了雨的去極化解析度,得到了不同頻率、不同傳播距離的去極化解析度預報模型;計算了不同極化狀態的波的反射率隨降雨率的變化規律。The permittivity and reflectivity of absorbing coating of moo3 - v2o5 - p2o5 - fe2o3 glasses doped with si / c / n nano powder were researched
研究摻雜納米粉體的吸波塗層的燒結工藝及其介電常數和反射率。Both the dielectric layer and metal film were internally deposited on the fiber. it is found that ag is able to engender the highest ir reflectivity among the metal materials, so ag is ascertained as the metal layer material of the hollow waveguide, cop was used in this work as the dielectric material. based on countless calculations, optimum thickness for the deposited films were obtained, namely, 0. 2 / / m for ag layer and 1. 4 fan for the cop layer
實驗用來制備空芯光纖的基管材料為石英基管;內徑為1mm ;通過理論推導與分析發現:相對于其它的金屬材料而言,金屬銀的紅外反射率最高,因此金屬銀最適合用做制備空芯光纖的金屬膜層的材料;通過比較幾種聚合物的性質確定選擇環烯聚合物cop為電介質層材料;通過理論推導與計算確定了金屬銀膜與電介質膜的最佳理論厚度,即銀膜為0 . 2 m , cop膜的厚度為1 . 4 m 。Methods of test for anodic oxidation coatings on aluminium and its alloys - measurement of total reflectance using a photoelectric reflectometer
鋁及鋁合金陽極氧化鍍層試驗方法.第11部分:光電反射計測量總反射率This work studied the preparation process of aluminum coating and the factor of the properties of the aluminum coating such as processing condition, pre - treatment, electroplating system, current density, and current efficiency and electroplating time etc. it is shown that alcl3 + lialh4 organic solution system can be fabricated aluminum coating and processing parameter of having high reflectivity aluminum coating is obtained
對鋁膜的制備工藝及影響鋁膜性能的因素如工藝條件、預處理過程、電鍍液體系、電流密度、電流效率及電鍍時間等進行了研究,確定了通過alcl _ 3 + lialh _ 4有機溶液體系可用來鍍制鋁膜及獲得高反射率膜的工藝參數。Based on impedance theory of em wave transmitting in medium, we calculate the reflection of single - layer carbonyl - iron / epoxy ds and discuss the influence of matrix type, carbonyl - iron content and thickness on absorbing properties
此外,根據電磁波在介質中傳輸的阻抗理論計算了單層羰基鐵粉分散體系的反射率,並考慮了不同基體、羰基鐵粉含量及體系厚度對反射率的影響。The photo - induced phase transition of the different light intensities, photo - energies and directions of the polarized light is investigated. it suggested that the photo excites the down spin eg electrons and destroys the spin order system of the thin films. the relation between the he - ne laser reflectivity of the thin film, applied current and resistance was analyzed by the optics theory of solid state physics
光子通過激發e _ g向下電子的躍遷,從而改變材料自旋極化方向,影響體系的輸運行為;首次研究了cmr薄膜的激光反射率和偏置電流的關系,並用固體光學理論對其定性分析,表明反射率的變化是由於電場引起材料的晶格畸變,改變了極化率,從而導致材料的折射率和反射率發生改變。Measurement methods for reflectivity of electromagnetic wave absorbers in millimetre wave frequency
毫米波頻率電磁波吸收裝置反射率的測量方法Zero - expansion models satisfy the request of space structures for they can possess high dimensional stability in temperature - change fields. the surface morphology, electrical conductivity and spectral reflectivity of al / kapton films before and after space environment simulated tests were
對于al / kapton薄膜試驗分別採用原子力顯微鏡、四探針電阻測量儀、紫外可見分光光度計測試其空間環境試驗后的表面形貌、面電導率、光學反射率。Compared pec pmc method with periodic boundary method. basing on these, writes stimulation program for the wave absorber of bowtie patch array loading resistance, and computes its reflectance
比較了電壁磁壁和周期邊界條件兩種截斷方法,在此基礎上針對蝴蝶結型加載阻抗吸波材料,採用c語言編寫模擬程序,計算了它的反射率。In this system, we employed a newly developed holographic filed concave grating as splitting beams element, as well as multi - channel photodetector - ccd ( charge coupled devices ) as spectrum detection. these all solidified the foundation of measurement ; microcomputer control make the system automatic
採用新型的全息平場凹面光柵作為分光元件,並引入多通道光電探測器件ccd進行光譜信號探測,為光譜反射率的測量準備了物質條件;採用微型計算機控制,達到自動化測量。Furthermore, the absorbent ' s electroconductibility as the function of its permittivity and permeability was also uncovered. the reflectance of the absorbents was calculated, and the effects of the preparation and the thickness on the absorbing ability were discussed. in a word, the prepared ilmenite absorbents are non - magnetic materials, at given thickness used in applications, the single - layered absorbents have the minimal reflectivity of - 50db and maximal bandwidth of 5ghz
初步研究表明:鈦酸亞鐵類化合物屬于電損耗材料;在實際應用允許的設定厚度范圍內( 2 . 0mm ) ,單層吸收劑的最小反射率( rmin )可達- 50db左右,最大帶寬( ? db )接近5個ghz ,吸波性能很好。1 measurement items : luminance ( transmittance, grey scale inversion ), chromaticity, response time, flicker, eoc, gamma curve, view angle performance, spectrum, reflective luminance, reflective chromaticity, reflectivity, module optical performance with certain temperature range
1量測項目:亮度(穿透率,灰階反轉) ,色度,響應時間,閃爍度,光電特性曲線,圖像輝度曲線,視角特性,光譜曲線,反射亮度,反射色度,反射光譜,反射率,產品光學參數的溫度特性。分享友人