曲折率 的英文怎麼說

中文拼音 [qūzhélǜ]
曲折率 英文
tortuosity ratio
  • 曲 : 曲名詞1 （一種韻文形式） qu a type of verse for singing which emerged in the southern song and ji...
  • 折 : 折動詞[口語]1. （翻轉） roll over; turn over 2. （倒過來倒過去） pour back and forth between two containers
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 曲折 : 1 （彎曲） circuitos; intricate; ups and downs; tortuous; winding; zigzag 2 （復雜的、不順當的情...
  1. In chapter 5, based on the measured refractive index distribution curve, according as the theoretical model of light transmission in the grin medium, using quadrivalent runger - kutta method to carry out the light tracking, we studied retro - reflection of grin polymer micro - sphere and its application and concluded the best conditions to get good results. in chapter 6 we analyzed the two ways to improve the retro - reflection effect of grin polymer micro - sphere using the light tracking and discuss the pleasant results we got

    第五章從上一章測量所得折射率分佈曲線出發，根據梯度介質球內光線傳輸的理論模型，用光線追跡的方法分析了327 #微球透鏡的反光性能，並對最佳性能條件進行了總結分析，發現效果提高並不明顯，進而在第六章中提出了提高grin聚合物微球回歸反射性能的兩個基本途徑，並用光線追跡方法進行了詳細的分析，最終得到了良好的效果，並對結果進行了一定的分析解釋。
  2. Chapter 5. based on the measured refractive index distribution curve, according as the theoretical model of light transmission in the grin medium, using quadrivalent runger - kutta method to carry out the light tracking, by this means the mainly imaging character index of the micro - lens such as foci, longitudinal and transverse spherical aberrations aberration etc is calculated. i

    第五章從測量所得折射率分佈曲線出發，根據梯度介質球內光線傳輸的理論模型，用四階runger - kutta方法進行光線追跡，計算了此種梯度球的縱橫向球差等光學特性，給出所製作梯度折射率微球透鏡成像性能的評價。
  3. Xin ri company is experiencing ups and downs along its way of development facing high rate liabilities, high financial cost, low profit and talents scarify, however, the company takes on great vitality boasting sound marketing internet, strong marketing ability, highly effective organization and vigorous life of products

    新日鋼公司發展的道路是曲折的，公司負債率高，財務費用大，利潤率低，人才匱乏；但公司也是富有生命力的，擁有健全的市場網路，市場營銷能力強，企業組織效能較高，產品生命力旺盛。
  4. When optical fiber bends, the refraction of towline rush pith changes with stress ' s function. then conduction and close region of the fiber change too

    光纖彎曲時，光纖的纖芯折射率分佈由於應力作用而發生變化，因此，光纖的通導和截止空域也發生了變化。
  5. The results indicate that ( a ) before heat treatment, with the increasing of substrate temperatures, content of lower valency ( tij + ) decreases, the stoichiometric proportion of o / ti in all samples is about 2 ; the films have amorphous incompact columnar fiber structure, and with the increasing of substrate temperature, the size of columnar fiber increases ; the films have good hyalescence in visible range and great absorbability at the wavelength of 350nm ; optical constants of the films are calculated from the transmittance spectrums in visible range by mathematical analysis of the orders of interference, the results show that the refractive ind

    研究結果表明， （ a ）熱處理前，隨著基片溫度的增加，薄膜中的低價氧化鈦含量逐漸減少，化學計量比趨于o ti = 2 ；薄膜具有非晶態不緻密的柱狀纖維結構，柱狀纖維的尺寸隨基片溫度的升高而增加;薄膜在可見光范圍內透明，在波長為35onzn時嚴重吸收，利用干涉級次法分析了薄膜的光學常數，結果表明，薄膜的折射率隨基片溫度的升高而增加，根據計算結果得到了tioz薄膜在不同基片溫度下的折射率色散曲線。
  6. In the end, the main content of this dissertation is addressed. in chapter 2, based on the analysis of present vibrator ' s principle and structure, two kinds of transfer functions and frequency response curves of the vibrator, driven by voltage feedback power amplifier and current feedback amplifier, are given separately. and turnover frequencies between different frequency rangs are also given

    第二章分析了標準振動臺的工作原理和結構，在此基礎上，建立了標準振動臺的機械和電氣方程，給出了恆壓源和恆流源功放激勵下的振動臺傳遞函數及幅頻、相頻特性曲線，列出了不同頻段間的轉折頻率。
  7. Introduce the measurement of the common optics parameter of the medium lens, for example, light passing index, no - sphericity and so on, emphasize on the way and result of using shearing interferometric technique to measure the refractive index distribution curve of the micro - lens

    第四章介紹對所制備的此種介質球透鏡的透過率、不圓度等重要光學參數的測量。重點闡述利用剪切干涉技術測量微球透鏡的折射率分佈曲線的方法和測量結果。
  8. We have calculated and plotted the curves of the refractive index, group velocity index, lowest - order and second - order dispersion indexes as a function of wavelength. the lowest - order and higher - order dispersion - induced broadening and deforming of light pulses is analyzed for various pulse shapes, such as gaussian, super - gaussian and hyperbolic secant pulses

    給出了折射率、群速指數、低階和二階色散系數隨波長變化的關系曲線，研究了高斯脈沖、超高斯脈沖和雙曲正割脈沖等超短脈沖在clbo晶體中傳播時，由於低階色散和高階色散引起的脈沖展寬和形變。
  9. This paper discussed the material of equipmen t which was used to prepare diethyl oxalate by co coupling - regeneration reactio n wi th the method of weight. the seven kinds of metal material, such as 306, 314l, 316l, zr, ti ( 2 ), ti ( 10 ), 1cr18ni9ti and one kind nonmetal material ( pe ) have been hung in the liquid compound in the regeneration reactor for 1500hours. the experiment ind icative that the corrosion rate of the 306 is the biggest, in the after is 316l, t i ( 10 ), 1cr18ni9ti, zincorium ( zr ), ti ( 2 ), that of pe is lest ; 1cr18ni9ti is the better material of equipment

    沙河市散裝水泥事業起於上世紀九十年代初，經過十多年艱苦曲折的發展，目前我市水泥散裝率達到20 %左右，這一水平還達不到河北省水泥平均散裝水平，與先進省市"發散"水平相比更是相差太遠.我們對發達國家和我國"發散"先進省市的考察和對比分析，可以看出除國家行政推動外，市場有效需求是拉動散裝水泥發展的重要因素
  10. Firstly, the process of fold and deployment was divided into several steps. secondly, the relative geometry results of the last simulation step was picked up as the initial geometry configuration of current step, using the restarting technology provided by fem programs, then the models of a inflatable structure with an paraboloid shape were established

    然後，基於ls - dyna970中的airbag模型，建立了捲曲折疊空間充氣展開管的有限元模型，運用控制體積法將充氣管離散為若干連續的腔，成功模擬了其充氣展開過程，並研究了不同充氣速率對充氣管展開過程的影響規律。
  11. Secondly, the third order nonlinear optical properties of these compounds are studied under the excitation of ps pulsed laser with the wavelength of 1064nm using z - scan technique, nonlinear refractive indices and nonlinear absorption coefficients are calculated according to the z - scan experiment curves of the compounds. all the three compounds have self defocusing characters and two photon absorptions. lastly, nonlinear refraction and absorption properties of these compounds are studied by z - scan technique under the excitation of ps pulsed laser with the wavelength of 532nm the self defocusing and reverse saturation absorption are found in these compounds

    根據實驗曲線計算了它們在1064nm下的三階非線性折射率和非線性吸收系數，三種化合物都具有自聚焦特性，並且在該波長下，三種化合物均具有雙光子吸收，最後，以皮秒脈沖的532nm為激發波長，採用z掃描方法，研究了三種金屬有機化合物的非線性折射和非線性吸收性質，在該波長下三種化合物仍然表現為自聚焦特性，且其吸收為反飽和吸收。
  12. We simulate the practicality system to experimentalize, obtain the relation between defocus and focus error signal, make it a condition that na = 0. 625 and n = 1. 7979

    並模擬實際系統，實驗得出當臨界角棱鏡的折射率n = 1 . 7979 、物鏡的數值孔徑na = 0 . 625時，離焦量與離焦誤差信號的關系曲線。
  13. The mode refractive index of 632. 8nm wavelength, which propagates in ion - exchanged planar waveguides, is obtained by m line technology ; the serious problems of silver film ion - exchange also be pointed out. the refractive index profile of planar waveguide is obtained with inverse wentzel - kramer - brillouin method by measured mode refractive index. finally, some improvements of silver film ion - exchange is put forward

    最後介紹了銀膜電場輔助法制備光波導的試驗過程，對實驗獲得的參數進行了分析和計算，得到了波導的模折射率和折射率變化的函數曲線，隨后對在試驗過程中遇到的一些問題和現象進行了闡述，分析了其產生的原因，並提出了自己的觀點和改進的辦法。
  14. This is an important initiative that should help to foster fuller compliance with china s wto commitments. there have also been some bumps in the road, such as the delayed and flawed allocation of tariff - rate quotas, trade - distorting biotechnology regulations, inadequate adherence to commitments benefiting foreign insurers, and restrictive measures in the area of express delivery services

    但亨茨曼指出， 「在這條道路上也出現了一些曲折，如關稅率配額的分配遲緩而且有缺陷，有關生物技術的規章扭曲貿易，對有助於外國保險公司的承諾遵守不夠，以及在速遞服務領域採取限制性措施。 」
  15. The critical crack and stress put forward provides theoretic foundation for monitoring portal machine. 3. applying steady theory of board, studying the problem of early curvature, flexibility model, welding remaining stress, elastic transmutation and brace condition and so on, conclude that structure of beam is primary place where metal structure of portal crane lose stabilization and the break of main beam is result of losing partial stabilization of main board

    文章提出的界限應力和臨界裂紋對于港口機械的監測提供了理論依據； 3 、運用板的穩定理論，探索了作為薄壁構件的門機金屬結構在失穩破壞中所涉及到的初曲率問題、彈性模量問題、焊接殘余應力問題、彈塑性變形問題以及支承條件問題等，得出了門機金屬結構發生失穩破壞的主要部位為臂架結構，且主臂架的折斷是由於受壓翼板局部失穩引起整體破壞； 4 、探討了焊接對結構承載的影響。
  16. The particularity of large - section rib waveguide with large refractive index difference in soi results in some special characteristics distinguished from other waveguides, which need elaborate explanation in theory. the large bent radius of the rib waveguide hinders the device performances from improving further, and confines the device to small channel number and simple functions

    Soi材料上大折射率差脊形波導結構的特殊性帶來了一些特殊的性質，必須從理論上深入地探討；脊形波導大的彎曲半徑在某種程度上制約了soi波導器件性能的提高，使得多通道、多功能器件的發展受到限制。
  17. Chapter 2 : using a so - called variance matrix, we studied the propagation and the focusing characteristics of the paraxial light beams. the quantities characterizing the gross features for a paraxial optical beam, such as the beam width, the divergence, the curvature radius of the wavefront, the complex beam parameter q. and the beam quality factor, are related by using variance matrix

    第二章：闡述了常數折射率介質中光束的傳輸和聚焦，建立了表徵傍軸光束總的特徵的量，如：束寬、衍射發散角、波前曲率半徑、復光束參數q與變換矩陣的關系，得到了光束質量因子和變換矩陣行列式的定量關系。
  18. The mechanism for optical storage in these materials has been attributed to a statistical reorientation of the azobenzene chromophors perpendicular to the polarization of the incident electric field of the pump laser beam. the photoinduced birefringence and holographic storage in methyl orange dyes ( mo ) doped polyvinyl alcohol ( pva ) films were reported firstly in this thesis. the relationship between the photoinduced birefringence and the dye content and pumping power was investigated by using the writing light of 532 nm ( double - frequency of nd : yag laser ) and the reading light of 632. 8 nm

    本文研究了甲基橙（ mo ）偶氮苯染料摻雜聚乙烯醇（ pva ）薄膜的光致雙折射和全息光存儲特性，利用yag激光2倍頻（ 532nm ）作為寫入光， he ? ne激光（ 632 . 8nm ）作為讀出光，研究含有不同染料濃度pva薄膜的光致雙折射特性，探討了光致雙折射和泵浦光功率的關系，實現了全息光存儲，所得光柵生長曲線包含快過程和慢過程，快過程以異構相位光柵的生長為主，慢過程以取向光柵的生長為主，對此實驗結果本文給出了合理的理論解釋。
  19. As a result of employing multilevel phase - shifted method with zig zag connection in transformer secondary, in the primary the current harmonics their orders are lower than 6m 1 are eliminated ( m is the number of power cell each phase ). in the inverter side because of using pulse shifting pwm control, the equivalent switch frequency of output is m times as high as one h - bridge, so the output voltage waveform of the inverter is near sine with less harmonics

    對于整流電路，由於採用變壓器移相多重化整流，在理論上可以實現曲折變壓器一次繞組中低於6m 1次諧波電流相互抵消（ m為串聯單元個數） ；對于逆變電路，由於採用移相pwm控制方式，等效開關頻率提高m倍，因此輸出電壓接近正弦波，諧波含量較小。
  20. The model analysis of the deployed beams were studied in both theory way and simulation way. the differences of the beams in different pressures were studied. investigations showed that the method of modeling for short and long rolled beams is doable ; the process of fold maybe lead so large displacement and stress that membrane is damaged at local areas, ration and material wrinkle generates,

    研究結果表明:本文提出的分別針對短、長捲曲折疊充氣管的建模方法是有效的;在充氣管展開過程中，充氣速度越大，展開的速度越快，但由於阻尼損耗，二者並非線性關系;充氣速度過大不利於結構展開過程的穩定性;充氣支撐管的氣壓越大其固有頻率越高，但影響效果很小。
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