相對透射比 的英文怎麼說

中文拼音 [xiāngduìtòushèbǐ]
相對透射比 英文
transmittancy
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 對 : Ⅰ動詞1 （回答） answer; reply 2 （對待; 對付） treat; cope with; counter 3 （朝; 向; 面對） be tr...
  • 透 : Ⅰ動詞1 （滲透; 穿透） penetrate; pass [seep] through 2 （暗地裡告訴） tell secretly; let out; lea...
  • 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） ...
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 相對 : 1. （面對面） opposite; face to face 2. （非絕對的） relative 3. （比較的） relatively; comparatively
  1. Based on projective geometry, the research works about 3d invariance ' s extraction and application have been done in this thesis as following : ( 1 ) the basic theories and concepts in projective geometry are systematically summarized. it includes : the camera models of perspective imaging, projective collineation, cross ratio, a simple compare about invariance ( invariant ) among some geometry transformations, fundamental matrix, epipolar and epipolar line in epipolar geometry, and so on. ( 2 ) the calculation methods for 2d projective transformation are extended from points to multi - element, which includes points, lines, points lines and so on, to get the relationship between two projective planes

    基於射影幾何理論，論文圍繞3d不變特徵的提取和應用進行了如下的研究工作： （ 1 ）系統總結了射影幾何中的若干基礎概念，包括：透視成像的相機模型、射影對應、交比不變量、基於不同幾何變換下的不變量的簡單對比、對極幾何中的基礎矩陣、對極點、對極線等。
  2. By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent

    最後，本文還對絮凝動力學和絮體結構進行了研究，在前人研究的基礎上，針對高分子絮凝黃河泥沙，對絮凝過程作了一些符合試驗條件的假設，建立了顆粒碰撞頻率表達式，應用了顆粒數量平衡方程，從而建立了絮凝過程的動力學生長模型，模型計算結果與試驗數據對比表明，二者趨勢一致，在沒有使用經驗參數的情況下基本上能夠描述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程；對絮體結構的研究中，應用掃描電子顯微鏡和透射電子顯微鏡對絮體進行了觀察，將絮體分為絮粒、絮團和絮網三個不同的生長階段，通過假設顆粒結合位置符西安建築科技大學博士學位論文合正四面體，建立了絮體結構模型，計算得到的模型絮體分形維數基本與試驗中的實際絮體相符，在一定程度上能夠反映高分子絮凝黃河泥沙生成的絮體結構。
  3. E., the carrier frequency of a gaussian beam deviates from the resonant frequency of a fabry - perot etalon ), variations of the peak intensity, the position of the peak intensity and the dwdm systems, has received considerable attention. in this work, after taking into account the wavelength - depended reflectivity distribution profile of a fiber bragg grating, the oscillation wavelength # _ ( 1 ) of long external cavity fiber bragg grat

    與共振情況（即高斯光束的載波頻率與法布里一拍羅濾波器的諧振頻率一致）相比，非共振條件（即高斯光束的載波頻率與法布里一拍羅濾波器的諧振頻率存在偏差）一透射光束的峰值強度、峰值強度所對應的位置、以及光斑的大小隨入射角的變化都發生了顯著的改變。
  4. Compared with current instruments, the setup can decrease disturbance of disorder radiation by using double layer refractive index sample matching vessel, and it can increase collecting and transmitting efficiency of radiation by adopting single mode fiber with gradient refractive index lens. with a low power laser, the sample has a low scathe, and the laser and the measurement system can be integrated conveniently

    與現有的同類型儀器相比，該儀器採用雙層折射率樣品匹配池減少了雜散光的干擾；採用帶梯度折射率透鏡的單模光纖接收、傳輸散射光信號提高了散射光的收集傳輸效率；用低強度的激光避免了對樣品的輻射損傷，同時可以使激光器和系統集成在一起，整個系統小型實用。
  5. In this paper, the ultrastructures of compound eyes in blue and red light conditions were firstly studied with the transmission electron microscope in macrobrachium nipponense. the changes of ultrastructural features of rhabdom and cells around were well observed, and were compared thoroughly with the features in full bright light and dark conditions. the functions and significances of related cells structures were discussed during the breakdown and rebuilding of the photoreceptor membrane

    本文利用透射電鏡技術，首次對紅、藍光照條件下日本沼蝦復眼結構，重點是小眼感桿束及其周圍細胞超微結構變化作了詳盡的觀察和研究，並與全光照和全暗條件下的結構特徵進行全面比較，探討相關細胞結構在光感受膜的降解和重新合成過程中的作用和意義。
  6. New york ( reuters health ) jul 31 - plasma testosterone levels in infant boys conceived by intracytoplasmic sperm injection ( icsi ) are significantly lower than in their naturally conceived counterparts, according to danish researchers

    紐約（路透社健康專欄） 7月31日? ?丹麥研究人員發現，通過精子卵母細胞漿內注射（ icsi ）產下的男嬰與自然受孕的對照個體相比，其體內血漿睪酮水平明顯下降。
  7. On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula

    應用透光率脈動檢測技術和光散射顆粒粒度分析儀（ pda ） ，通過理論分析，將pda的輸出信號之一? ?平均透光強度（對應于dc值）作為原水的特性表徵參數， dc值可以同時反映顆粒濃度和比表面積因素的影響，試驗結果證明， dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪函數關系： dc = cs _ p ~ d ，式中c 、 d為經驗系數，進而得到了以dc值為參數的高分子絮凝劑投藥量公式： d = f （ dc ） = e （ dc ） ~ f ，式中： e 、 f為經驗系數，平均相關系數達0 . 981 ，利用所建立的公式，建立了前饋? ?后饋聯合控制的在線自動投藥模型。
  8. On the basis of theories of physics, geometrical optics and photometry, the optical properties of collimated light beam incident upon single fiber perpendicular to the fiber axis are studied. by exploring the behaviors of reflected light and transmitted light from single fiber, the distribution of the light is described and the proportionalities between the intensity of the reflected, transmitted and scatered light are obtained respectively, and the different laws governing the intensity of diffused light and transmitted light from single fiber between near and far field are discussed. experiments demonstrate that the decrease of projecting light in far field is in direct proportion for the increase of fiber diameter, which serves as the theoretical basis for a series optics equations, as well as for the designment for photoelectric deviccs for detecting fibers

    結合物理學的基本原理和幾何光學的基本規律以及光度學的基礎理論等三方面，研究了單纖維在平行均勻光束垂軸入射時的光學性質.分析了單纖維反光和透光的特徵，光強分佈及反射光、透射光和散射光的相對大小;討論了在近場和遠場條件下，漫反射光和透射光光強的不同規律;通過實驗驗證了遠場時，纖維的漫射光強度與纖維直徑成正比的關系
  9. In the test of transmission coefficient property, semi - circle type, rectangle type, trapezoid type and concave type dyke are studied. research study is on the effect of relative water depth over the dyke to the transmission coefficient of the four different types dyke, and the comparison is done. finally, the experimental formula is given to the transmission coefficient, which are compared with the present formulae

    在潛堤透射特性的研究中，選取半圓型、矩型、梯型和槽型潛堤作為研究對象，在分析各個影響因素對潛堤透射影響的基礎上，選取最主要的影響因素，即相對堤頂水深作為研究的重點，分析研究了堤頂相對水深對四種結構型式潛堤透射系數的影響，比較分析了四種結構型式潛堤透射特性，在此基礎上，總結了計算潛堤透射系數的經驗公式，並與已存在的計算公式進行了對比，最後對潛堤的促淤效果進行了評估。
  10. In chapter two we study the transport properties of a curved quantum wire, such as the mixture of transverse modes, suppress of conductance, local density, abrupt change of transmission phase and so on. these properties is compared to those of a perfect quantum wire

    第二章分析了弧形量子線的模式混合，電導抑制，局域態密度，透射相位突變等性質，並將這些性質與理想直量子線進行了對比。
  11. The analyses given in this paper to quasi - three - level for 946 nm laser are complete. the relation between 946 nm laser transmission and optimal crystal length has been derived from the rate equations describing the population inversion and the photon density in the laser cavity in the steady - state case. the minimal claims to coating have been given on the base of contrasting 946 nm transmission with 1064 nm transmission in the condition of different cavity losses and how the pump beam radius in the laser crystal and optimal crystal length affect the laser threshold and output power of 946 nm laser has been given as well

    對產生946nm譜線的準三能級結構給出了較為完整的分析，利用激光諧振腔處于穩態時的速率方程，導出了準三能級nd ： yag946nm起振時，透射損耗與最佳激光晶體長度的關系，在與1064nm透射損耗相比較的基礎上，給出了不同的腔損耗情況下的最低鍍膜要求，並且給出了激光閾值、輸出功率和最佳激光晶體長度及泵光光斑大小的關系，這為設計室溫下高效運轉的946nm激光器的提供了理論基礎，這種分析方法對研究此類低增益，準三能級或三能級激光系統輸出特性有借鑒意義。
  12. The fourth chapter describes the experimental system we design. using the relation formula of angles we get in chapter three, a formula of light transmission corresponding to the experimental system is

    第四章設計了驗證光強透射比的實驗系統，利用第三章給出的角度關系公式，得到了相應于實驗系統的光強透射比公式，並對各種形式的棱鏡的光強透射比進行測試。
  13. The fourier transform infrared ( ftir ) spectrum is an effective technology for studying the hydrogen content ( ch ) and the silicon - hydrogen bonding configuration ( si - hn ) of hudrogenated amorphous silicon ( a - si : h ) films. in the paper, ch and si - hn of a - si : h films, fabricated at different ratio of h2 / sih4 by microwave electron cyclotron resonance plasma chemical vapor ( wmecr cvd ) method, have been obtained by analyzing their ftir spectra that are treated by baseline fitting and gaussian function fitting. the effects of ratio of h2 / sih4 on ch and si - hn are studied

    Fourier紅外透射（ ftir ）譜是研究氫化非晶硅（ a - si : h ）薄膜中氫含量（ c _ h ）及硅-氫鍵合模式（ si - h _ n ）最有效的手段，對于微波等離子體化學氣相沉積（ mwecrcvd ）方法在不同h _ 2 sih _ 4稀釋比下制備出的氫化非晶硅薄膜，我們通過紅外透射光譜的基線擬合、高斯擬合分析，得出了薄膜中的氫含量，硅氫鍵合方式及其組分，並分析了這些參數隨h _ 2 sih _ 4稀釋比變化的規律。
  14. According to the principle of correlation detection, an automatic measurement system for extinction ratio of polarizer consisted of monochromator and dsp lock - in amplifier and compurer is designed not only to eliminate the influence on measurement accuracy caused by drift of intensity of light source but also to obatain approximate extinction spectrum

    摘要基於相干檢測原理設計了一套由單色儀、數字鎖相放大器和計算機聯合使用的透射式偏光鏡消光比智能化測試實驗系統，採用雙頻雙光路分光單探測器接收鎖相放大器分離信號比對法進行源補償測量，克服了光源光強漂移所帶來的影響；實現了可見光區消光比的精確自動測量，而且可以測得近似的消光光譜。
  15. The vertical structure optimization through simulation of the new structure, low loss igbt ( lpl - igbt ) has been discussed in detail in this paper. in comparison with the prevalent igbt, lpl - igbt has not only the merit of transparent back emitter and high lifetime of carriers owned by npt - igbt but also the complex n7n + voltage sustain layer structure owned by pt - igbt. not only possesses lpl - igbt lower power loss but also the other capacities are no better than npt - igbt such as break down voltage, current capacities, safe operation area and cost

    與現有igbt相比較， lpl - igbt在結構上保留了npt - igbt中的透明發射區和高載流子壽命的本質優點，同時又具有pt - igbt中n ~ - n ~ +復合薄耐壓層的優點；在器件性能上， lpl - igbt不僅具有比npt - igbt更低的能量損耗（包括通態損耗和開關損耗） ，而且其餘性能如器件耐壓、電流密度、安全工作區以及製造成本等相對現有npt - igbt均有明顯改善。
  16. It was found from the experiment that, with the increasing of substrate temperature, there were more oxygen vacancies in the films, which lead the conductance of the sample become larger, and the absorb edge of zno thin films shifted toward higher wavelength ; with increasing of ar : o2 ratio, there were lesser oxygen vacancies in the films, which lead the absorb edge of zno thin films shifted toward lower wavelength

    實驗還發現，隨著襯底溫度的升高，薄膜中產生的氧空位將會增多，使得zno薄膜的電導逐漸增大，而且其紫外透射吸收截止邊帶向高波長方向漂移；隨著氬氧比例的增加，薄膜中的氧缺陷相對減少，薄膜的透射吸收截止邊向低波長方向漂移。
  17. It was found from the experiment that, with the increasing of substrate temperature, there were more oxygen vacancies in the films, which lead the conductance of the sample become larger, and the absorb edge of ito thin films shifted toward lower wavelength ; with increasing of ar : o2 ratio, there were lesser oxygen vacancies in the films, which lead the absorb edge of ito thin films shifted toward lower wavelength

    實驗還發現，在一定的溫度范圍內隨著襯底溫度的升高，薄膜中產生的氧空位將會增多，使得ito薄膜的電導逐漸增大，而且其紫外透射吸收截止邊帶向短波長方向漂移；隨著氬氧比例的增加，薄膜中的氧缺陷相對減少，薄膜的透射吸收截止邊向低波長方向漂移。
  18. Aiming at acupoint, i sample active infrared signal and research its auto scoring algorithm in computer special system. after comparing auto - correlation integration structures, my circuit in verilog hdl was synthesized and loaded into cpld of 4128v and arm platform of ge01. in this experiment playing card lie detection method was used

    具體針對全息耳穴映射，採集紅外主動透射信號，應用軟體平臺錘煉自相關演算法，比較自相關集成架構方案，基於cpld平臺手動映射尋優，基於ge01arm平臺自動映射尋優，測謊方法系撲克牌實驗。
  19. In this article, molybdenum wire multi - doped with la2o3 and k, al, si, molybdenum wire doped with k, al, si and molybdenum wire doped with la2o3 or y2o3 are analyzed by dsc, hot - draw, sem, optical microscope, micro - hardness, x - ray and tem. it is found that multi - doped molybdenum wire is better at elevating the recrystallization temperature and improving the micro - structure and mechanic properties after recrystallization than molybdenum wire doped with k, al, si

    本文通過差熱分析、熱模擬、掃描電鏡、金相顯微鏡、顯微硬度、 x射線衍射和透射電鏡等實驗手段對復合摻雜k 、 al 、 si和稀土氧化物的鉬絲、單摻雜k 、 al 、 si的鉬絲以及單摻雜稀土氧化物的鉬絲的再結晶溫度、高溫下的綜合力學性能和組織形貌進行了綜合對比分析。
  20. Nanocrystalline cerium ( iv ) oxide ( ceo2 ) powders were prepared by means of different methods, sol - gel method, precipitation method and electrochemical method. the powders were analyzed by using x - ray diffraction ( xrd ) and transmission electron micrograph ( tem ). ceo2 powders in different ways were compared from shape of particles and preparation technics

    本文主要採用液相法中的溶膠-凝膠法、均勻沉澱法和電化學法制備了ceo _ 2納米粉體，通過x -衍射、透射電子顯微鏡等手段對所制備的納米粒子進行了表徵，並從粒子的形態及制備工藝上進行了比較。
分享友人
分享到 Line

分享到臉書