衍射角 的英文怎麼說

中文拼音 [yǎnshèjiǎo]
衍射角 英文
angle of diffraction
  • : [書面語]Ⅰ動詞(開展; 發揮) spread out; develop; amplifyⅡ形容詞(多餘) redundant; superfluousⅢ名...
  • : 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) ...
  • : 角Ⅰ名詞1 (牛、羊、 鹿等頭上長出的堅硬的東西) horn 2 (古時軍中吹的樂器) bugle; horn 3 (形狀像...
  1. The relationships between the number of diffraction order and grating pitch, refractive index of medium, light wavelength, incidence angle and azimuth angle are investigated

    討論了入、入方位、入光波長、光柵柵距、介質折率與矩形光柵級次數目間的關系。
  2. Consisting of the protracting graph of hydrogen - like atom ' s angle distributing, computer simulation of the symmetry of molecular orbital and chemical reaction mechanism, showing the molecular point group and symmetry element, computer simulation of molecular vibration, bravias ' s crystal lattice and their transforming, extracting of plane periodic lattice, extracting of solid periodic lattice, close packing of isometrical pellet and the structure of simple mental substance, close packing of unequal pellet and crystal structure of representative ionic crystal, computer simulation of phase analysis by x - ray diffraction

    內容包括類氫原子度分布圖的繪制,分子軌道對稱性和反應機理的微機模擬,分子點群和對稱元素顯示,分子振動運動的微機模擬,布拉維晶格和晶格轉化,平面點陣抽取,立體點陣抽取,等徑網球的密堆積和金屬單質結構,不等徑圓球密堆積和典型離子晶體結構, x線多晶的微機模擬十個子模塊。
  3. Abstract : the far - field spot characteristics of laser converted by random phase plate are analyzed theoretically, including the shape, size, rotational symmetry and diffractive efficiency of the spots, as well as the distribution of subsidiary spot. by comparing the influence of phase element shape ( triangular, square and hexagonal ) on the characteristics, we found that the random phase plate with hexagonal array structure is more suitable for the beam smoothing in laser fusion

    文摘:從理論上分析了激光經隨機位相板變換后在遠場的光斑特性(包括光斑的形狀、大小、旋轉對稱性、效率以及旁瓣分佈) ,通過比較三種形狀位相元(等邊三形、正方形和正六邊形)的遠場光斑特性,得知正六邊形位相元結構的隨機位相板更適合於激光聚變中的束勻化。
  4. Prepar1ng po1 ypropy1ene / montmori l lon 1 te nanocomposi tes ( pcn ). ma1 ei c anhydride ( mah ) / styrene ( st ) was app1 ied to graft wi th pp and montfnori 1lo - nite was interca1ated by ppalg - - mah / st in the same t1me. effects of intercalat ion agent htab on the basal spaci ng ( d., . )

    首先考察了插層劑對蒙脫土片層間距的影響,小x -表明在插層劑十六烷基三甲基溴化銨( htab )的作用下,無機土片層間距最大可被撐至4 . 0nm ,並且d _ ( 001 )值與插層劑的濃度大小有密切的關系。
  5. Components, structure and surface morphology of the resulted films were identified by fourier transform infrared ( ftir ) spectroscopy, x - ray diffraction ( xrd ) and scanning electronic microscopy ( sem ). the analyses showed the content of cubic boron nitride in the resultant films on substrates was rather high and crystal particles of c - bn with uniform size, smooth crystal plane and regular shapes ( quadrangle and hexagon ) densely arrayed on the substrate

    傅里葉轉換紅外吸收( ftir )光譜儀、 x( xrd )儀和掃描電鏡( stm )的測量結果顯示,基底上的bn膜中立方相含量很高,且晶粒大小均勻、排列緻密,晶形呈規則的四和六形。
  6. The main element analysis of whole rocks, the ree analysis and the trace element analysis have been done for the granitoid samples in this area. the chemical composition analysis has been done for the amphiboie and biotite minerals. the epma and x - ray powdered crystal diffraction have been done for k - feldspar, plagioclase, amphiboie, biotite, quartz, magnetite, titanite

    對本區花崗巖類樣品進行了全巖主量元素、稀土元素及微量元素分析,對閃石和黑雲母單礦物進行了化學成分分析,對鉀長石、斜長石、閃石、黑雲母、及石英、磁鐵礦、磷灰石和榍石進行了電子探針和x線粉晶分析。
  7. The recording characteristics of the material are discussed in detail in terms of sensitivity, diffraction efficiency, bragg angle, refractive index modulation ( an ) and so on

    通過在材料中記錄無傾斜光柵,研究了該材料的全息存儲特性(包括效率,靈敏度,動態范圍,折率調制度,度選擇性等) 。
  8. 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下的聚焦曲率半徑和傾;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面、起飛、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。
  9. In this paper, the nacre of hyriopsis cumingii ( lea ) which is one of the main freshwater pearl - forming mollusk in china is studied emphatically, as compared with the nacre of three species of saltwater pearl - forming mollusks, pinctada martensii ( dunker ), pinctada maxima ( jameson, and peteria penguin ( roding ). the basic characteristics of nacreous and prismatic layers are understood by powder x - ray diffraction analysis, trace elements analysis, amino acid composition of protein and differential thermal analysis

    本文以我國主要育珠蚌淡水三帆蚌貝殼珍珠層為重點研究對象,以三種海水育珠貝馬氏珍珠貝、企鵝珍珠貝及大珠母貝貝殼珍珠層為對比研究對象,首先通過粉末x -、微量元素分析、蛋白質氨基酸分析及差熱分析對珍珠層及其與之密切共生的稜柱層的基本特徵進行了初步研究。
  10. 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光束的中心光斑尺寸,測量了不同光闌孔徑和不同稜情況下的最大無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。
  11. Four kinds of c / c composites with different preparation techniques were graphitized at 2400 - 2880. the relations between magneto - resistance and orientation ( the angle between surface of samples and magnetic field ), measure temperature, the intensity of magnetic field ( b ) were studied for each sample. the micro - structure and x - ray diffraction pattem were investigated too

    本論文在對制備工藝不同的四種碳/碳復合材料樣品進行2400 2880的石墨化處理后,應用ppms ( physicalpropertymeasurementsystem )研究了測試位向(試樣某特定面和磁場方向夾) 、測量溫度以及外加磁強對材料磁電阻特性的影響,同時研究了各試樣的微觀結構和x譜圖。
  12. Only with very high-flux reactors is it usually possible to employ diffractometers of high angular resolution.

    只有對非常高通量的反應堆,才可能應用高解析度的計。
  13. In general, the thesis covers the following aspects : first, in accordance with the property of variable tuning optical attenuator ( voa ), which is analyzed and discovered through diffraction theory, selected block plate and made attenuator, and achieved satisfactory effect by experiment in light transportation circuit

    針對可調型機械擋光衰減器的擋光特點,從理論的度分析和發現該器件的衰減特徵,並根據該特徵選擇擋光片,製作了衰減器。在傳輸光路上試用,獲得了較好的效果。
  14. According to the mean size measurement based on diffraction, we put forward a new method by calculating the ratio of two scattering light intensity at different scattering angle, which can solve the problem caused by the diffraction method

    文中根據法求取平均粒度的方法,提出了用兩個不同散的散光強比求取平均粒度的方法,解決了法測平均粒度的缺點。
  15. Of montmori l 1oni te were invest igated first1y. x - - ray di ffract ion ( xrd ) resu1ts suggested that the spaces of si1icate 1ayers increased from 1. 5nm to about 4nm

    根據小x -結果,來計算分析有機土中htab分子的排列方式,提出了htab在無機土片層雙層斜立排列的模型。
  16. The diffraction efficiency changing with grating parameters, especially for the situation that gaussian beams diffracted by finite grating, is numerically studied. 3

    對單色平面波和有限尺寸高斯光束入矩形光柵時的效率與光柵柵距、槽深、開口比和入等參數的關系進行了模擬計算。
  17. Experimental determination of the diffraction angle of volume holographic gratings under off

    體全息光柵偏移布拉格讀出時衍射角的測定
  18. The blue wavelengths are diffracted at a lesser angle than the green wavelengths, which are at a lesser angle than the red wavelengths

    藍色波長的衍射角度要小於綠色波長的衍射角,它們均比紅色光的衍射角度小。
  19. The basis is that when incident polarized light gets through a liquid - crystal box, it ’ s first diffraction angle and optical intensity are controlled by periodic electric field

    其原理為:入偏振光通過空間周期電場作用下的液晶盒,一級衍射角光強受到電壓的調制。
  20. Numerical examples show that, pulse deformation and broadening, spectrum redshifting, narrowing and distortion take place with increasing diffraction angle in the near field, and the pulse form changes with propagation distance in the near field, but is preserved in the far field

    數值計算例說明在近場隨衍射角的增大會出現脈沖變形、加寬、譜紅移、變形、變窄等特性,脈沖形狀在近場隨傳輸距離變化而變化,但在遠場保持不變。
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