焦散線 的英文怎麼說

中文拼音 [jiāosǎnxiàn]
焦散線 英文
caustic curve; caustics; caustic line
  • 焦 : Ⅰ形容詞1 （物體受熱失去水分 呈現黃黑色並發硬、發脆） burnt; scorched; charred 2 （著急） worried;...
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  1. Coke oven is a complex plant with the characters of large time - delay, strong non - linear, multivariable coupling and changeable parameters. the dynamic process of the coke oven is driven by both continuous variables and discrete events. the mean flue temperature is affected by many reasons and it is difficult to control the temperature to required precision by the normal control methods

    焦爐是具有大時滯、強非線性、多變量耦合、變參數的復雜對象，直行溫度受多種因素的影響，焦爐生產過程既受連續時間信號驅動，又受離散事件信號驅動，採用常規的控制方法難以將直行溫度控制到要求的精度范圍內。
  2. The position and size of the monochromator, focusing curvature radii and tilting angles of the germanium focusing monochromator under different different take - off angle, size and divergency of the second collimator and intensity loss due to the use of it were determined. the neutron flux at different wavelength, under different reflection and take - off angle of the monochromator and divergency of the first collimator, were given. the simulation on the aperture used for limiting beam size in front of the sample showed that, smaller the size of the aperture and further the distance from the aperture to the sample, greater the loss of the intensity and more serious the spread of the beam along vertical direction at the sample position which makes the practical sampling volume greater than expected

    用蒙特卡羅模擬方法對中子應力衍射譜儀的設計方案進行了優化研究，提出了一系列可供參考的數據：確定了單色器的位置、尺寸、垂直聚焦單色器在不同起飛角下的聚焦曲率半徑和傾角；討論了第二準直器的尺寸和發散，以及使用第二準直器造成的強度損失；給出了在不同單色器反射面、起飛角、中子波長和第一準直器發散度的情況下樣品處的中子注量率，以及多種組合情況下譜儀的解析度曲線；對限束方孔的尺寸、距離樣品遠近對強度損失和測量中的影響做了深入研究。
  3. In the paper we mainly researched space gainp2 / gaas / ge high efficiency tandem cells " making process by home - made low pressure mocvd technology and new solar concentrators. firstly, we presented reseached and development of solar cells in china and foreign countries ; secondly, on the basis of fundamental priciples and theories, we discussed some factors of influcing conversion efficiency of solar cells, and analysed the i - v output feature of two - junction tandem cells ; then the design concept of gainp2 / gaas / ge two - junction tandem cells was discussed, the detailed aspects of gainp2 / gaas / ge tandem cells epitaxy growth by low pressure mocvd was studied, and some questions on epitaxy growth ( such as crystal qualities, interface stress, element interdiffusion, n - and p - type doping et all ) were solved ; after that, the cell fabrication process was described ; finally, we reseached the hot pressing and mould process technology of an arched line - focus fresnel lens made by pmma, designed and fixed new solar concentrators

    本文致力於用自製的低壓mocvd裝置進行cainp _ 2 / gaas / ge空間用高效級聯太陽能電池製作的工藝以及聚光太陽能電池組件的研究。首先，介紹了國內外太陽能電池的研究現狀及應用情況；其次，運用太陽能電池基本原理討論影響電池轉換效率的因素，分析了級聯電池的伏安特性；隨后，討論了cainp _ 2 / gaas / ge雙結級聯電池的結構設計理念，研究了採用低壓mocvd技術生長cainp _ 2 / gaas / ge級聯太陽電池材料的工藝過程，解決了異質材料生長的結晶質量、界面應力、材料互擴散以及材料n 、 p型摻雜等一系列問題；然後總結了級聯電池的后工藝製作；最後，研究了以pmma為材料的菲涅耳線聚焦透鏡的熱壓成型工藝及其模具的加工工藝，設計並安裝完成新型聚光太陽能電池組件。
  4. From maxwell equations the refractive index equation and hamilton - jacobi equation, which describe the evolution of the electric field, are derived including the effects of the diffraction, the third - order intensity - dependent nonlinearity, plasma defocusing, the focusing and defocusing of the plasma channel, and the relativistic self - focusing

    從maxwell方程出發我們得到了兩個包含衍射、三階強度非線性、等離子體散焦、等離子體隧道聚焦和散焦以及相對論自聚焦等效應在內的激光場演化方程，即折射率方程和哈密頓-雅可比方程。
  5. In this paper, dual - beam transmission problem that possess to a certainty included angle and gains the nonlinear schrdinger coupled equation ( nnlse ) in self - defocusing media is discussed

    摘要自散焦介質中雙光束斜入射耦合能發生光束偏轉，通過數值模擬發現在非線性折射率不是均勻分佈時光束偏轉能降低抽運光功率並且偏轉角度不減小，在相同的功率條件下，能產生更大的偏轉。
  6. The principle of the method is illuminated by the numerical simulation of the scattering of caustic region in a two - dimensional concave antenna

    本文通過對二維凹面天線焦散區散射場的數值模擬詳細介紹了這一理論的基本思路。
  7. Along with the advent of the leisure ages, leisure need that attract people with appreciate beauty the wishes, and provide new stop and rest with the stroll place, and satisfy business district and live area of new need - - linear leisure space and dynamic landscape have become the important focus

    隨著休閑時代的即將到來，迎合人們的休閑需求與審美願望，提供新的休憩與散步場所，以及滿足商業區與居住區的新的需求? ?線性休閑空間已成為人們注意的重要焦點。
  8. Caustics analysis of mode dynamic crack tip in functionally gradient materials

    型動態裂紋尖端的焦散線分析
  9. The validity of the expression was verified by the instrumented impact test and caustic test results for hq785c steel

    分別採用受慣性效應影響的示波沖擊試驗及無慣性效應的焦散線技術對hq785c鋼進行了動態測試，驗證了修正公式的有效性。
  10. Notice that in all cases, the rays either diverge from or converge toward the foci.

    注意在所有的情況下，光線不是從焦點發散就是會聚到焦點。
  11. Standard test method for determination of trace metals in petroleum coke by wavelength dispersive x - ray fluorescence spectroscopy

    利用波長色散x射線熒光光譜學測定石油焦中痕量金屬的標準試驗方法
  12. Semi - classical limit of cubic defocusing nonlinear chrodinger system

    非線性散焦立方薛定諤方程的半古典極限
  13. The conclusions are as follows : the ultrasonic intensity is proportion to the laser intensity ; the ultrasonic induced by a laser line source has much more advantages than by a laser point source, such as stronger energy, higher snr, more directivity and shape ; the intensity of cfpi ' s output signal is linear with ultrasonic vibration velocity, and is effected by incidence angle and scattered angle ; snr will increase by reducing cfpi ' s bandwidth, reducing incidence angle, increasing cavity ' s length and reflectivity

    在分析點光源激勵聲表面波機理的基礎上，求出了線光源激勵的超聲振動的位移表達式，發現線光源激勵的近場區表面波具有波形好，信噪比高，指向性好，幅度強等特點。通過理論推導，得出共焦fabry - perot干涉儀的輸出光強除了與樣品表面的振動速度成正比，並與入射角和散射角有關；適當減小cfpi的帶寬，增加腔長，增大鏡面反射率，或者減小檢測入射角都可以提高系統的信噪比。
  14. Moreover, for co ( ii ) - porphyrin and fe ( iii ) - porphyrin, nonlinear optical absorption and optical limiting properties are studied respectively. results suggest that fe - porphyrin probably become a potential candidate as optical limiting material excited by wavelength 514. 5nm ar + laser

    在第四章，研究了鐵卟啉（ fe （ ） tppcl ）和鈷卟啉（ co （ ） tpp ）的非線性吸收和熱自散焦光限幅特性。
  15. According to scattering phenomenology, we point out that the commonly used point scattering models fails to accurately describe the complex scattering behavior of real target. for that reason, based on the theory of effective scattering centers, researches are taken on more accurately physical - relevant description of target scattering and on approach that is more effective to characterizing and extracting target scattering features by means of time - frequency analysis and scattering centers modeling

    全文以此為線索，以光學區散射中心理論為基礎，分別從目標二維像的散焦效應、二維像的時頻分析、以及二維散射中心的模型化這三個角度，探討對目標復雜散射特性進行更為合理的描述和分析，並提取可用於識別的目標結構特徵。
  16. The thesis analyzed the effects, associated with the propagation of laser in plasma channel, such as diffraction, plasma defocusing, the third - order intensity - dependent nonlinearity, the relativistic self - focusing, the focusing and defocusing of the plasma channel, and the absorbtion in the collision plasma and the finite pulse length effect

    文中用哈密頓-雅可比方程方法和源展開方法分別對激光在等離子體隧道中傳輸所涉及的衍射效應、等離子體散焦效應、三階強度非線性、相對論自聚焦、等離子體隧道的聚焦和散焦效應、碰撞等離子體中的吸收效應、有限脈寬效應等等做了基本的闡述。
  17. Astigmatism is caused by differences in the curvature of the cornea in different meridians, distorts the light rays entering the eye and prevents them from focusing sharply. astigmatism can occur with short - sightedness and long - sightedness

    如果角膜稍有弧度不一，某一面弧度較彎，而另一方較扁平，光線便不能準確地聚焦在視網膜上，這種情況便稱為散光。
  18. Single mode optical fiber laser confocal scanning microscopy is a new technology in microstructure studying. the speciality of the system is limiting the out - of - focus light reflected from out - of - focus plane in object to restrict the blur of image. therefore, the plane resolution and axial resolution of the system could be improved to sub - micron grade

    單模光纖激光共焦掃描顯微成像系統是研究微觀結構的一種新技術，其本質是抑制目標物體離焦面所反射的光線進入系統，從而抑制這些離焦光線造成像點彌散斑增大的影響，使系統的橫向與軸向解析度得到大幅度的提高，能實現亞微米級的層析。
  19. We analyze the generation of external cavity frequency - doubling with knbo3 crystal theoretically. in order to get the second - order nonlinear conversion from 858nm to 429nm with knbo3, we use non - critical type - i phase - matching to avoid the walk - off effect the corresponding optimum focusing condition is as followings : double refraction parameter b = 0, focus parameter = 2. 84, optimum phase mismatch parameter = 0. 574. based on the theoretical analysis and numerical calculations, we obtain the ideal nonlinear conversion coefficient about 1. 45 % / w with crystal length of 7mm and 2. 07 % / w with crystal length of 10mm at the phase - matching temperature around 23. 50c

    根據對其倍頻原理及性能的分析討論，在用該晶體完成波長從858nm到429nm的二階非線性轉換時，採用非臨界相位匹配條件（此時無離散效應，對應的雙折射參數b = 0 ，共焦長度為= 2 . 84 ，最佳相位失配因子為= 0 . 574 ） ，在相位匹配溫度約為23 . 5時，理論上通過計算得到理想情況下非線性轉換系數約為1 . 45 / w （長度為7mm ） ， 2 . 07 / w （長度為10mm ） 。
  20. Attenuation, scattering, modeling water surface, light shafts, caustics

    衰減，散射，水面建模，光線束，焦散。
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