衍射點 的英文怎麼說

中文拼音 [yǎnshèdiǎn]
衍射點 英文
diffraction spot
  • 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） ...
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  1. By the methods of epn ( electronic probing needle ) 、 sem and xed, the formation mechanisms of the wear - resistant composite layer are studied, the results indicated that, molten iron has infiltrated into the alloying layer under capillary action. this caused ht powder, whose fusion point is low relatively, to be surperheated and formed a surface composite layer

    利用電子顯微鏡及x射線衍射等試驗方法，研究了復合層形成機理，研究表明，復合層是在毛細力作用下，鐵液被吸入合金層中，致使低熔點ht粉過熱熔化而形成的，並與母材是冶金結合。
  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

    內容包括類氫原子角度分布圖的繪制，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射線多晶衍射的微機模擬十個子模塊。
  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光衍射分析、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件生產廠家的工藝、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；對企業公司原有磁件一廠進行了技術工藝改造，對建廠各項條件進行了詳細的分析，形成了了年產14000噸年鐵氧體預燒料以及3000噸年中高檔磁件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. Considering the shape of quantum - wires, the modal x - ray diffraction of trapeze quantum - wire is established. the relationship between fourier transforms quantum wires shape and x - ray diffraction is presented to obtain the more exact info of parameters. so the fundamental characteristics of x - ray diffraction for quantum wire array are investigated

    考慮到量于線的形狀，建立了梯形量子線的x射線衍射模型，得出量子線的形狀與x射線衍射之間互為傅立葉變換的關系，從模擬的結果得到更為精確的參數信息，從理論上認識了量于線陣列的x射線衍射的最基本特點。
  5. The viewpoint of photon diffraction can help us understand the nature of light diffraction and the evanescent waves is necessary for the uncertainty principle

    光子衍射的觀點可以幫助了解光的衍射本質，衰減波是不確定性原理的要求。
  6. This thesis was divided into eight chapters, and the main results and innovations obtained here can be summarized as follows : ( 1 ) the physics model of tsrs in frequency conversion crystals has been built up firstly. based on quantum - mechanical viewpoints and the following physical processes and parameters : the two - photo interaction of light with matter, paraxial diffraction of stokes, langevin noise sources, reflection at the faces and the edges of crystals, gain coefficient, beam aperture, pulse width and fluence of 3, the physics model of tsrs in kdp and kdp crystals acting as high - fluence frequency convector and the paraxial operator maxwell - bloch - langevin equations have been built up

    全文共分八章，取得的主要成果及創新點如下： （ 1 ）首次建立了諧波轉換晶體的tsrs物理模型本文根據量子力學原理，在考慮如下物理過程和參量的基礎上：光與物質的雙光子相互作用； stokes光的傍軸衍射； langevin （郎茲萬）噪聲源；晶體表面反射和端面反射；增益系數、光束口徑、脈寬和三倍頻光能量密度，推導出高通量激光在kdp和kd ~ * p諧波轉換晶體中的tsrs物理模型和空間上的近軸算符maxwell - bloch - langevin方程組。
  7. 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，按使用條件在布喇格條件下進行消三級像差設計，製作設計的全息透鏡具有高衍射效率高、像差小的特點，可以滿足任意給定的窄帶光場合。
  8. 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角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 -射線衍射、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。
  9. The orientation relationships between cu and mgo are determined by means of electron diffraction patterns. the interface structures are analyzed according to high - resolution images of tem, csl and 0 - lattice theories and verified by simulation computation method

    通過電子衍射圖確定了cu與mgo之間的各種取向關系；根據高分辨像對界面結構進行了研究；通過計算模擬驗證了重位點陣和o -點陣理論。
  10. 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，從衍射理論的角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。
  11. 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

    文中根據衍射法求取平均粒度的方法，提出了用兩個不同散射角的散射光強比求取平均粒度的方法，解決了衍射法測平均粒度的缺點。
  12. Based on the theories of non - diffracting imaging system in coherent light, the measurement system of point spread function ( psf ) of non - diffracting imaging system has been presented

    摘要在分析相干光照明下無衍射成像系統理論的基礎上，設計了無衍射光成像系統的點擴散函數的測量系統。
  13. This paper systematically discussed the fundamental, characteristics, research status and equipment of microwave sintering, and introduced the preparation and development of sintered ndfeb magnets, on the basis of which the effects of the parameters on the heating rate and sintering temperature were investigated. and by means of optical metallurgical analysis, x - ray diffraction analysis and the measurement of density and magnetic properties, the paper compared the properties and technology of ndfeb magnets sintered in microwave magnetic field with that of magnets sintered in conventional heating process

    本文系統論述了微波燒結基本原理、特點、研究現狀和燒結設備，介紹了燒結ndfeb制備工藝和發展，在此基礎上研究了微波磁場燒結ndfeb永磁材料過程中各因素對升溫速率、燒結溫度的影響，並通過金相顯微分析、 x射線衍射分析、密度及磁性能測試等手段，將微波磁場燒結的ndfeb磁體與常規燒結的磁體進行了工藝與性能的對比分析。
  14. Electrons which pass through the thin specimen are brought to a focus in the back focal plane of the objective lens, this lens, like all electromagnetic lenses, acts as a converging lens and thus forms a diffraction pattern in this b. f. plane

    穿越薄樣本的電子被帶到目標透鏡背面焦點平面的一個焦點，這個透鏡，象所有的電子透鏡一樣，充當了聚焦透鏡的作用，因此，構造了在這個背面焦點平面的衍射模式。
  15. The quantum dots are considered as pyramid shape approximately, therefore the dittraction of dots is considered as diffraction from triangle. the transverse period is obtained using the transform of fourier. the trustiness of this modal is showed through comparing with the result come from triple - axis diffraction formula and result of stm

    將量于點近似看成金字塔狀，從而量于點的衍射可以看成三角形衍射，利用三角型的傅立葉變換，求得量于點的橫向周訕，與三9m力射結果及盯m求得量于點的橫向周期一致，說明本模型的可靠性。
  16. 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；通過高能電子衍射、 x射線衍射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條件，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。
  17. The main parts are as follows : 1 ) at the base of the fabrication methods, the photosensitivity of optical fiber and the uv laser sources are introduced simply, the diffraction characteristics of phase mask are analyzed to get the distribution of refractive index in fiber grating, referent the paper [ 4 ] ( delivered )

    全文概括如下： 1 ）從常用的製作方法出發，簡單介紹了光纖光敏性和成柵光源，重點分析掩模板的衍射場，從而獲得理想情況下光纖光柵的折射率分佈函數，參考已投論文[ 4 ] 。
  18. ( 3 ) based on the theory of linear diffraction, the linear propagation of obscuration is analyzed through equivalent diffraction distances, fresnel parameter, and obscuration ’ s area percent by the optical propagation software

    用中國工程物理研究院研發的光傳輸軟體數值模擬驗證了散射點的衍射規律。三、從散射點線性理論基礎上分析散射點的傳輸規律。
  19. Rheed is a powerful tool to monitor and analyze thin films growth dynamically. the growth modes ( layer - by - layer mode, stranski - krastanov mode, 3d mode, texture, and growth modes transition ) and strain relaxation behaviors ( by measuring and calculating the spacing between chosen diffraction dots or streaks ) can be tracked by rheed from its diffraction patterns and intensity oscillations

    從生長模式上看，可以分析如層狀生長，層島結合生長，島狀生長，織構以及這幾種生長模式的轉變過程;從監測應變釋放上看，可以通過精細分析衍射點的間距得到具體的應變釋放過程。
  20. After calibration, the distribution of the dot array can be calculated according the etching parameters and distance of diffraction

    系統標定好后，衍射點陣在平面上的分佈情況可根據光刻參數和衍射距離計算得到。
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