衍射孔 的英文怎麼說

中文拼音 [yǎnshèkǒng]
衍射孔 英文
diffracting opening
  • 衍 : [書面語]Ⅰ動詞（開展; 發揮） spread out; develop; amplifyⅡ形容詞（多餘） redundant; superfluousⅢ名...
  • 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） ...
  1. As a comparison, ba1. 03ce0. 8gd0. 2o3 - was synthesized by sol - gel method. among these samples, nonstoichiometric samples were synthesized for the first time. the research work involved : the crystal phase of the sinters were determined by xrd ; ionic conduction under different experimental atmospheres was measured by gas concentration cells ; performances of hydrogen - air fuel cells with the sinters as electrolytes and porous pt as electrodes were measured

    用粉末x射線衍射儀鑒定它們的結晶相；在（ 600 1000 ）范圍內，以燒結體作為電解質隔膜，多孔性pt黑為正、負電極， pt - rh合金網為集電極，分別組成氫濃差電池、氧濃差電池及氫?空氣燃料電池並測定了它們的性能，研究了不同氣氛下樣品的離子導電特性及影響燃料電池性能的因素。
  2. In chapter two, we fabricated r - ni - fe / al2o3 nanocomposites successfully by using ball - milling mixing method plus hot - pressing process. meanwhile, their microstructures are characterized by x - ray diffraction ( xrd ) analyser, transmission electron microscopy ( tem ), field emission scanning electron microscopy ( fe - sem ) and brunauer - emmett - teller ( bet ). the results indicate that ni - fe particles are homogenously dispersed in the matrix in the composites

    在第二章中，我們採用高能球磨混合方法加上熱壓燒結工藝，成功制備了ni - 20fe al _ 2o _ 3納米復合材料，並通過x射線衍射儀（ xrd ） 、透射電鏡（ tem ） 、場發射掃描電鏡（ fe - sem ） 、比表面孔隙儀（ bet ）對該復合材料的微結構進行了表徵。
  3. Based on the principle of the double hemicycle diffraction, by giving each of them different discrepancy, the phase can be detected with the diffraction patterns

    摘要基於雙半圓孔衍射的基本原理，通過對其兩部分分別施加不同的相位，利用衍射圖樣，進行了相位信息提取研究。
  4. When only allows the total internal reflection beams focus on the small aperture, which is formed at the center of metal film coated on the bottom of solid immersion lens, the optical fields propagated from the aperture of different dimension is first simulated

    根據衍射超分辨原理首次模擬出了底面鍍有金屬膜、中心留有通光微孔的固體浸沒透鏡的出射光場分佈。
  5. The structure and the optical functions of porous anodic films were studied by xrd, sem and spectro - photometrical means

    摘要採用x射線衍射、掃描電鏡（ sem ）和光譜分析等測試技術，研究了多孔氧化鋁介質膜的組成、結構以及光功能特性。
  6. 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。
  7. In the experiment, we use the he - ne laser and the semiconductor laser as the source, record the bessel beam patterns behind the axicon by using a digital camera and a microscope, measure the radius of the bessel beam central spot by film - scanning and measure the effect of both the radius of the aperture and the open angle of the axicon on the maximum non - diffraction distance. the experiments show that a specific propagating range has constant power and the beam has a bessel - like distribution in this range. the results agree with the beam corresponding to a diffraction free beam

    同時我們還採用膠片掃描的方法測量了無衍射光束的中心光斑尺寸，測量了不同光闌孔徑和不同稜角情況下的最大無衍射距離和傳播軸附近橫截面內微小光孔中的光強，實驗結果顯示當激光光束經過軸棱錐轉換後有一段距離功率變化很小，且分佈近似貝塞爾分佈，符合無衍射光束的特性;經過聚焦后，呈現三維分佈中空的光束bottlebeam ，實驗結果與理論分析基本吻合。
  8. A simply and analytical formula of the axial light intensity distribution behind a circular aperture is derived by using the helmhotz - kirchhoff integral theorem and the kirchhoff ' s boundary conditions. it is studied the nonparaxial on - axis intensity distribution throughout the whole space behind a circular aperture. an accurate formula to calculate the fresnel number of circular aperture is presented and the validity of usual fresnel number formula is reexamined. by using the analytical formula and diffraction integral formula, some numerical simulation comparisons are done, and it is shown that the results of the two methods are completely coincident

    用亥姆霍茲-基爾霍夫積分定理和基爾霍夫邊界條件，推導出了平面波經小圓孔非傍軸衍射時軸上強度的簡單解析表達式，研究了平面波經小圓孔后整個衍射空間非傍軸的軸上光強分佈.給出了計算圓孔菲涅爾數的精確公式，重新檢查了通常的菲涅爾數公式的有效性.數值計算顯示，應用解析表達式所得的結果與應用衍射積分公式所得的結果完全一致
  9. The propagation characteristics of the diffraction field by a circular aperture of bessel - gauss beam

    高斯光束圓孔衍射場的傳播特性
  10. A simple and effective method is given to successfully simulate circular and different serrate type aperture ' s far - field diffraction and compared with the diffraction of hard - edged circular apertures

    摘要採用一種簡單有效的方法，模擬了光束經圓形孔徑和不同齒形光闌的遠場衍射分佈，並與經圓孔硬邊光闌的衍射作了比較。
  11. Axial irradiance distribution throughout the entire space behind a binary annular aperture

    二元環形孔徑全空間軸線上的衍射光強分佈
  12. Two spherical waves and multiple spherical waves interference, and yang ' s interference experiments are simulated by using different methods. two spherical waves interference is focused on the on - plane or out - plane of the spot light source plane and the observing plane. then, we analyze how the temporal coherence of optical waves influence the contrast of the interference pattern

    用光波波前疊加的方法實現了對兩列球面波干涉、多光束干涉等實驗的模擬；用傳播矩陣描述衍射光波波前傳播的方法對楊氏雙縫和雙孔干涉實驗進行了模擬，並具體詳細地分析了單縫衍射對雙縫干涉的影響；另外還分析了光場的時間相干性對干涉條紋反襯度的影響。
  13. The human eye is not a perfect optical system, we analyzed the optical factors of affecting the human eye vision quality, such as diffraction on small pupil, the aberration of the eye system, the size of the pupil, illumination arid optical dispertion

    摘要人眼作為一種光學器官，存在著一些光學缺陷，從物理學的角度分析了小瞳孔的衍射效應、眼球光學系統的像差、瞳孔尺寸、照明度和光學散射等對人眼視覺質量的影響。
  14. The window function of circular hard - edge apertures is simulated and optimized by the laguerre - gauss truncated series, and applied to study the diffraction of gaussian beams and 0 - order bessel - gaussian beams by the hard - edge aperture

    摘要用拉蓋爾高斯截斷級數模擬了任意半徑的圓孔硬邊光闌窗口函數，並應用於研究高斯光束和零階貝塞爾高斯光束通過硬邊光闌的衍射。
  15. However, if the plane of the selector aperture is not precisely coplanar with that of the first image, then diffracted rays originating from outside the area defined by the aperture may contribute to the diffraction pattern

    然而，如果選擇孔的平面與第一次成像不是正好共面，源自孔指定區域外部的衍射線可能影響衍射模型。
  16. In considering diffraction errors there are two factors which will lead to diffracted rays originating from outside the area defined by the selector aperture, these are important in any work where a spatially accurate correlation of the diffraction data and the micrograph is required

    考慮到衍射的差錯，有兩個因素決定源自選擇孔指定區域外部的衍射線，在任何工作中這些都是重要的，當衍射數據和顯微圖之間準確的空間對射被要求時。
  17. The effects of acid counteranions on the mesophases were investigated by x - ray diffraction and high - resolution transmission electron microscope

    採用小角x射線衍射和高解析度透射電鏡研究了不同酸根離子對產物介孔結構的影響。
  18. Abstract : the petrologic characteristic and the pore types of y8 y10 reservoir are studied by x - ray diffraction method, the quantitative mineral clay analysis method and thin - section analysis method. based on the study, the mistakes are corrected in the naming of the sandstone and in the composition of the pore filling substance. the pore characteristic of the sandstone and the main factors of controlling the pore development are discussed

    文摘:利用x衍射全巖分析方法、粘土礦物定量分析方法和薄片鑒定等方法研究了城華地區延8 -延10儲層巖石學特徵和孔隙成因類型.綜合論述了城華地區延8延10油組不同巖相儲層砂巖的基本特徵，糾正了砂巖定名的錯誤和主要填隙物成份的錯誤，同時還論述了儲層砂巖的孔隙特徵和控制孔隙發育的主要因素
  19. The petrologic characteristic and the pore types of y8 y10 reservoir are studied by x - ray diffraction method, the quantitative mineral clay analysis method and thin - section analysis method. based on the study, the mistakes are corrected in the naming of the sandstone and in the composition of the pore filling substance. the pore characteristic of the sandstone and the main factors of controlling the pore development are discussed

    利用x衍射全巖分析方法、粘土礦物定量分析方法和薄片鑒定等方法研究了城華地區延8 -延10儲層巖石學特徵和孔隙成因類型.綜合論述了城華地區延8延10油組不同巖相儲層砂巖的基本特徵，糾正了砂巖定名的錯誤和主要填隙物成份的錯誤，同時還論述了儲層砂巖的孔隙特徵和控制孔隙發育的主要因素
  20. This paper analyses light energy of fraunhofer diffraction of circular hole, and proves that the energy of airy disk is 84 % of light energy of normal incidence

    摘要對圓孔夫瑯禾費衍射光能量進行了定量分析，並證明了愛里斑能量?入射光能量的84 % 。
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