衍射條件 的英文怎麼說

中文拼音 [yǎnshètiáojiàn]
衍射條件 英文
diffraction conditions
  • : [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) ...
  • : Ⅰ名詞1 (細長的樹枝) twig 2 (條子) slip; strip 3 (分項目的) item; article 4 (層次; 秩序; 條...
  • : Ⅰ量詞(用於個體事物) piece; article; item Ⅱ名詞1. (指可以一一計算的事物) 2. (文件) letter; correspondence; paper; document
  • 條件 : 1. (客觀的因素) condition; term; factor 2. (提出的要求) requirement; prerequisite; qualification
  1. Our study shows that the optical potential of the diffracted light of the semi - gaussian beam is far higher than that of the evanescent - light wave, and its maximum normal velocity of the incident atoms can be far grater than that of the evanescent - light wave under the same parameters, so the blue - detuned semi - gaussian beam, as a novel atomic mirror, can be used to efficiently reflect atoms with a normal velocity of greater than 1 m / s

    研究表明,半束蘭失諧高斯光束光場的光學勢遠大於消逝波光場的光學勢,在同樣的參數下,入原子的最大速度也比消逝波光場的大,所以作為一種新穎的原子反鏡,半束蘭失諧高斯光束可以被用來有效的法向速度大於1m s的入原子。
  2. The effort of manganese removal was studied and the kinetics of manganese removal was tried to establish. the factors of dissolved oxygen concentration, fe2 + concentration, ph, p concentration and closing of the filter were studied to evaluate their effort for biological manganese removal, and the correlation of residual manganese and oxidation - reduction potential was also discussed. as the iron content of water was high, experiment results showed that the reaction was zero order, as the iron content of water was low, the reaction was first order. the time needed for the cultivation of biological manganese removal was 60 70 days. the filter operated at the filtration rate of 8 10m / h, silica sand of effective size 0. 95 1. 25mm filled the filter to a depth of 1200mm

    試驗結果表明,成熟后濾砂表面濾膜的x圖譜與mno _ x ? 5h _ 2o ( x = 1 . 86 )的x圖譜一樣,濾膜成熟后的結構在進水物質不發生變化的情況下不發生變化;合適的碳磷比對生物除錳有明顯的促進作用,試驗下的投磷量不會對出水造成二次污染;生物除錳需要亞鐵的參與,亞鐵的存在除了能夠促進微生物分泌胞外酶並刺激其活性外,還通過鐵離子的變價傳遞電子,催化錳離子的氧化反應,從而促進對二價錳的降解。
  3. Meanwhile, based on the magnetic material theory, a complete analysis and summary are carried out on the three crystal structure and technology theory ; especially the ingredient analysis is made on the microscopical morphology and x - ray diffraction and its mixtures existence and relevant metallurgy about the typical second resource such as coldrolling iron and oxide red, steelmaking sludge and feso4 based on the practeal investigation of the pre - burning materials in domestic products plant, especially the analysis on the domestic markets and components, and connecting with reality and material characters in panzhihua iron and steel ( group ) cmpany, we established the product orientation and developing direction in panzhihua iron and steel ( group ) company ; after carrying out the technology reform on the old no. 1 magnetic product plant of enterprise company, making a detailed study on the various conditions for establishing a plant, the feasible research report is formed of 1400 tons ( per year ) feo preburning material and 3000 tons ( per year ) middle and high quality magnetic products ; so a necessary and reliable supports are provided both theoretically and practically for the development of the magnetic industry in panzhihua iron and s teel ( group ) cmpany

    同時,對磁性材料的理論基礎,尖晶石、磁鉛石、石榴石三大晶系結構以及其工工藝理論進行了較為全面的歸納、分析和總結;尤其針對攀鋼產生的二次資源如冷軋鐵紅、煉鋼污泥、硫酸亞鐵等三種典型原料分別作了成分分析、微觀物理形態以及x光分析、其夾雜物的存在形式及相應的金相分析。對國內鐵氧體磁性材料的預燒料及磁生產廠家的工藝、設備、技術、成本、質量狀況進行了實地的調研,特別是對國內磁性材料的市場及競爭對手進行了詳盡的分析,在此基礎上,結合攀鋼實際及原料特點確立了攀鋼發展磁材產業的產品定位及發展方向;對企業公司原有磁一廠進行了技術工藝改造,對建廠各項進行了詳細的分析,形成了了年產14000噸年鐵氧體預燒料以及3000噸年中高檔磁產品的可行性研究報告,從理論上和實踐上為攀鋼磁性產業的發展提供了必要的可靠的依據。
  4. Then the molybdenum disulfide nanoparticles which size was in the range of 20 - 30 nm were prepared by the desulfuration of molybdenum trisulfide if taking hydrogen as a protection atmosphere at some temperature. the mos2 nanoparticles were then characterized by x - ray diffraction and transmission electron microscope. the mos2 nanoparticles and commercial common mos2 particles ( c. a

    將乾燥后的三硫化鉬粉末在氫氣保護氣氛下,加熱脫硫得到粒徑在20 30nm之間的納米二硫化鉬顆粒,用x儀( xrd )和透電子顯微鏡( tem )對二硫化鉬納米顆粒進行了表徵。
  5. The structurally perfect and high - quality ba0. 5sr0. 5tio3 single - crystalline thin films were prepared on laalo3 and mgo substrates by pulsed laser depositioa the ba0. 1sr0. 9tio3 / yba2cu3o7 - heterostructure films were fabricated by pulsed laser deposition on a vicinal laalo3 su bstrates

    詳盡地分析這些薄膜的圖樣可知,薄膜都是以外延特性生長的而且晶體質量良好,但薄膜生長模式及表面平整度受沉積影響較大。
  6. The holographic lens, which is designed according to bragg condition to eliminate aberrations, has both high efficiency and low aberration, and can be used in a certain narrow - band condition. a example and its results are also given in this paper

    該方法採用雙片離軸全息透鏡復合,按使用在布喇格下進行消三級像差設計,製作設計的全息透鏡具有高效率高、像差小的特點,可以滿足任意給定的窄帶光場合。
  7. Here, the spatial distribution of fresnel diffraction field and different talbot effects of sinusoidal grating are presented, under three different illuminating conditions. especially, we discussed some interesting properties about fresnel diffraction field and talbot image, when sinusoidal grating is illuminated by divergent spherical wave

    特別地,我們討論了發散球面波照明的情況下,菲涅耳光場和泰伯像所具有的一些有趣的性質,如球面波對光場的放大作用,泰伯效應存在的等等。
  8. Abstract : the property of silk fabric grafted ( cross - linked ) with hydroxypropyl methacrylate and protein at different rate of weigh gain, by measuring strength and elongation at break, dyeability, elastic, moisturecontent, whiteness, permeability of gas, ir and x - ray diffraction diagrams was studied

    文摘:通過對織物的拉伸特性、吸濕性、彈性、染色性、白度、透氣性、紅外和x的研究,探討了在不同增重率下甲基丙烯酸羥丙酯在絲蛋白存在下與真絲綢接枝交聯后的結構及其特性的影響。
  9. 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,推導出了平面波經小圓孔非傍軸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積分公式所得的結果完全一致
  10. And then, we measured x - ray diffractive spectrum of samples and investigated the crystal lattice structure of samples treated under different annealing temperature and different implantation condition comparing the diffraction peaks

    然後,通過x測量了樣品的譜,通過比較不同樣品峰的形狀,了解了不同退火溫度及注入下樣品的晶格結構情況。
  11. The pulses can be broadening and become negatively chirped while propagating in anomalous dispersive media. in normal dispersive media, the pulses can be broadening, positively or negatively chirped, or even the dispersion - free propagation can be achieved, if the beam and material parameters are suitably chosen

    在負色散介質中傳輸時,脈沖會變寬、帶有負惆啾:而在正色散介質中傳輸時,脈沖會變寬、帶有正惆啾或負叨嗽,當光束和色散參數滿足一定時能實現「無無色散」傳輸。
  12. The techniques of preparing film buffer layers on si were studied. the sem, tem and xrd were adopted to study the crystal structure of films. the influences of buffer layers, substrate and heat treatment condition on the crystal structure and performance of the ybco films were discussed

    進一步用掃描電鏡、透電鏡和x儀研究了薄膜組織結構和結晶情況,分析了緩沖層和襯底對ybco薄膜制備的影響、以及不同熱處理對薄膜結晶結構及性能的影響。
  13. Furthermore, the growth and the study of self - organized quantum dots structures become more and more important recently, and the application of self - organization technique become wider and wider in this thesis, we address the theory of film growth and the growth technique firstly more, the ways and characteristics of surface detection are prescribed we mainly report the growth process, results and discuss of self - organized quantum dots structures in the a12o3 substrates by s - k mode using ecr - mocvd, in the espd - u device the growth art of ain epilayer which is the preliminary foundation of self - organized gan / ain quantum dots structures, including the substrate cleaning, nitridation, the growth of buffer and the growth of gan and ain epilayer, is discussed we deliberately compare the test result of rheed xrd and afm and achieved the optimalized condition of ain at last we have successfully realized the growth of ain which is much smooth and better crystal quality moreover, we grow the self - organized gan / ain quantum dots structure in s - k mode because the limits of the heater temperature, we can not grow the atom - smooth epilayer of ain until now so we could not grow better quantum dots which have small diameter and big density but the self - organized quantum dots structures with better quality will be realized successfully if the substrate temperature is increased the thesis study belong to my tutor subject of national nature science foundation ( 69976008 )

    本論文主要論述了在espd - u裝置上,採用電子迴旋共振等離子體增強mocvd ( ecr - pamocvd )方法,在藍寶石襯底上通過s - k模式自組裝生長gan aln量子點結構的生長工藝、結果及討論。而重點分析了自組裝生長量子點之前的aln外延層生長工藝,包括襯底清洗、氮化、緩沖層的生長和gan 、 aln外延層的生長;通過高能電子、 x和原子力顯微鏡測試,並且對這些測試結果進行了詳細的比較研究,得出了較優化的工藝,生長出了晶質較好、表面較平整的aln外延層;進而採用s - k模式自組裝生長了gan aln量子點結構。由於實驗裝置加熱爐溫度的限制,我們沒有能夠生長出原子級平滑的aln外延層表面,因而沒能夠生長出密度比較大和直徑比較小的量子點。
  14. Current researches, applications, preparation and structure of si3n4 are summarized in this paper. a new conclusion is drawn that silicon wafer can react with nitrogen at the temperature higher than 1100 and in super - pure nitrogen by direct - nitridation of silicon at the temperature from 800 to 1200. the prepared silicon nitride samples are tested by xps ( x - ray photoelectron spectroscopy ), sem ( scanning electron microscopy ), optical microscopy, xrd ( x - ray diffraction ) and edx ( energy dispersive x - ray analysis )

    通過矽片在800到1200各個溫度和各種氮氣氣氛下的氮化處理的實驗結果,報道了不同與其他研究者的氮化,矽片在氮氣保護的熱處理中的氮化為:高於1100的溫度和高純氮的氣氛,同時對該氮化硅薄膜進行了金相顯微鏡、掃描電鏡( sem ) 、 x儀( xrd ) 、 x線光電子譜( xps ) 、 x線能譜儀( edx )和抗氧化性等測試和分析。
  15. Point diffraction interferometer - a physical idea, is invented by smartt and strong in 1972, advanced by smartt and steel, and used to test astronomical telescope, it has simple structure and has not special demand to source. recently. with the development of fiber ' s manufacture and coupling technology. the simple modern fiber ' s center is smaller than before, this make it possible to progress fiber point diffraction interferometer ( pdi ), in addition to test convergent wavefront, it can test the reflective concave. the excellence of pdi is that it does not need standard mirror. in intereference testing, the standard mirror is the main reason which limit the improvement of precision, pdi can avoid difficulty to provide the wide future for high precision testing. pdi, which produce the standard sphere wavefront, is an instrument which realize the phase shifting with piezoelectric transducer ( pzt ), and collect the interferogram with ccd, in this paper, a adjusting methord is described, then data processing is obtained

    干涉儀這一物理思想,早在1972年smartt和strong就已發明,由smartt和steel做了進一步發展,並成功的用於檢測天文望遠鏡,它結構簡單,對光源沒有特殊要求,近年來,由於光纖製造工藝以及耦合技術的發展,單模光纖纖芯不斷縮小,為光纖點干涉儀得以發展提供了前提,該干涉儀由激光照明,除了檢測會聚波前外,還可以用來檢測反凹球面,進而應用到單個面形的檢測;另外,光纖點干涉儀最大的優點是不需要標準鏡,在干涉檢測中,標準鏡是檢測精度受限的很大原因,光纖點干涉儀能繞開這一難度,為進行高精度的光學檢測提供了廣闊的前景。
  16. And then, zno thin films were synthesize on quartz and silicon substrates by sol - gel dip - coating and spin - coating. the properties of the films and the effects of growth parameters on the quality of zno films were studied using x - ray diffraction, optical absorption, photoluminescence techniques, etc. to modify the energy gap of the zno, mg2 + was added in the sol - gel solution, and mgxzn1 - xo films were prepared by the same method as that for zno films

    利用溶膠凝膠法成功地在石英玻璃和單晶矽片等襯底上制備出了c軸擇優取向的zno薄膜,並利用x儀、紫外-可見光光譜儀、熒光光譜儀等對zno薄膜的結構和性能進行了測試、分析,並研究了熱處理參數等對zno薄膜性能的影響。
  17. In this paper the formula, the technics, the dosage of the filler and the macromolecule coupling agent are studied which influence the technics condition, mechanical properties, structure configuration. also x - ray large angle diffraction, scan electron microscope, dta etc are used to analysis and test the properties of the pp / talc composites. conclusions as follows : 1

    本文系統地研究了復合體系配方、工藝方法、填料及偶聯劑用量對復合體系工藝、力學性能及結構形態的影響,同時利用廣角x、掃描電鏡、 dta等對復合體系的性能進行了測試與分析,主要研究內容及結論如下: 1滑石粉的加入,雖然使pp的熔化時間增加,但是混煉能耗下降,有利於pp的加工;偶聯劑的加入,使pp的熔化時間增加,能耗略有降低,總體而言,對加工無不利影響。
  18. The condition, under which the paraxial approximation is valid, is given. 4. starting from the rayleigh diffraction integral, the propagation equation of ultrashort pulsed beams in dispersive media has been derived without making the paraxial approximation and slowly varying envelope approximation ( svea ), which allows for relatively large angles

    從瑞利積分公式出發,未作慢變振幅近似和近軸近似的下,導出了等長度超短脈沖高斯光束在色散介質中非近軸傳輸方程,可用來處理色散介質較大角度的傳輸。
  19. The effect of deposited condition, include substrate temperatures, different substrates and annealing on the structural properties of zno films has been studied in considerable detail. it is found that the optimal conditions to deposit zno are below : the substrate temperature of 450c, the substrate of sapphire. the sample on this condition is 0. 3491

    通過分析襯底溫度、不同襯底和退火對樣品結構的影響,得到了樣品的最佳制備:襯底溫度450 、藍寶石襯底,此下制備的樣品具有高度( 002 )取向性, ( 002 )峰半高寬僅僅0 . 3491 ,原子力顯微鏡( afm )分析表明zno薄膜具有密集堆積的均勻柱狀晶粒。
  20. An analysis of phenomenon of grating diffraction in conditions of the oblique incidence

    斜入下光柵現象的分析
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