結晶學方向 的英文怎麼說

中文拼音 [jiējīngxuéfāngxiàng]
結晶學方向 英文
crystallographic direction
  • : 結動詞(長出果實或種子) bear (fruit); form (seed)
  • : Ⅰ形容詞(光亮) brilliant; glittering Ⅱ名詞1. (水晶) quartz; (rock) crystal 2. (晶體) any crystalline substance
  • : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • 結晶 : 1 (析出晶體) crystallize2 (晶體) crystal 3 (成果) crystallization; fruit; product; quintess...
  • 方向 : direction; orientation
  1. Secondly, based on the microbeam analytical technique, on the one hand, through investigating the characteristic of major elements in the mantle minerals the author acquired the static information from mantle ; on the other hand, through multi - point analysis of a part of the minerals from mantle, the auther got dynamic information from mantle. finally, generalizating the fruits of this study and predecessors, the autor holds that the constituents of lithospheric mantle possibly includes spinel lherzolites, clinopyroxenites, websterite, dunite, harzburgites, garnet lherzite, phlogopite lherzite, eclogites, clinopyroxene megacrysts ; compared with east china and north china platform, the research field mantle shows the characteristics of higher degree of partial melting processes and more depleted mantle ; the. upper mantle beneath north hetian area is heterogeneous, with a tendency of deficit in a12o3 and lree from kaliyang in west hetian to the river basin of kalakshi river and yulongkashi river ; the subduction of the crust beneath north hetian has ever occurred in geological history and caused the mixing of mantle - crust ; the depth of the origination of basaltic magmas beneath north hetian exceeds 73km ; the thickness of the lithosphere beneath the research area amounts to 204. 9km ; the mantle beneath north hetian has geological condtions for forming diamond deposits

    最後,綜合本區幔源礦物和地幔巖石的特徵以及地球物理資料,得出如下論:本區上地幔的物質組成有尖石二輝橄欖巖、二輝巖、單斜輝石巖、純橄欖巖、輝橄欖巖、石榴石二輝橄欖巖、金雲母二輝橄欖巖、榴輝巖;與中國東部以及華北地臺上地幔相比,研究區上地幔具有富集主元素中相容元素和虧損其中的不相容元素的特徵,局部熔融程度較高;上地幔存在橫和縱的不均一性,從西部的克里陽到喀拉喀什河和玉龍喀什河流域, al和lree富集程度呈下降趨勢,不同來源的相同礦物中主元素的含量差異較大;地質歷史時期這里可能發生過地殼俯沖並產生殼幔混合作用;玄武巖漿的起源深度73km ;從幔源重砂礦物的溫壓估算果,可以推斷出巖石圈厚度可達204 . 9km ;綜合巖石圈物質組成特徵、巖石圈熱狀態、地幔溫壓狀態、氧逸度以及幔源巖石和幔源礦物的化成分,認為研究區具備了金剛石成礦地幔地質條件。
  2. In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab

    針對無連接和面連接的各種復雜網路環境下,通信頻帶資源緊張,音頻傳輸帶寬有限且復雜多變,而各種音頻數據又日益增多的局面,本文研究小波分析在信號處理面的數依據和在數據壓縮面的實際意義,在前人不斷工作的基礎上,提出了一種優化小波包變換編碼案用於音頻數據的壓縮演算法,兼考慮了編碼效率、多碼率和壓縮時延多個面,並在matlab環境下做了模擬實驗,對各種音頻信號及多種小波函數做了模擬果比較,實驗果證明該演算法可以在一定計算復雜度下可以很好地改進壓縮效果,達到多碼率下實現實時編解碼的過程,在高速dsp元等硬體設備支持下,可以有效應用於實際復雜多變信源編碼。
  3. We find that the petrology characteristic of all the samples have no characteristic of meteoric water such as geopetal structure, infiltrative sand, ( uniform cement and gravitational cement on base of the research of the dolomite in the regions. on the dot diagram of combination of mgco3 ( mol % ) and sr, the dot are all close to the line of seawater whether they are microlite - crystalline penecontemporaneous dolostone or diagenetic dolostone of various crystals. the 87sr / 86sr value of dolostone or matrix is less than the one of sparry calcite in cave or vein, and close to the value of seawater

    通過本區白雲巖的研究發現:已有的白雲巖樣品的巖石特徵沒有顯示出如示底構造、滲濾沙、新月型膠物和重力膠物等大氣淡水作用的特徵;在白雲石mgco _ 3mol百分數和白雲石sr含量的投點圖中,無論是準同生成因的泥?微白雲巖,還是粉?細(或中,或細以上的不等)的成巖白雲巖,均投在海水線的附近;白雲巖(或基質)的~ ( 87 ) sr / ~ ( 86 ) sr比值顯著低於與孔洞或脈中充填的亮解石,且與海水值十分接近, ~ ( 13 ) c和~ ( 18 ) o值顯著高於孔洞或脈中充填的亮解石,也偏于海水值; mn含量則顯著低於孔洞或脈中充填的亮解石。
  4. Based on sndm technique, a method of local capacitance - voltage characteristic characterization of ferroelectric thin films was proposed. the effect of traps at oxide - semiconductor interface on metal - oxide - semiconductor structure capacitance - voltage curve was discussed, and the influence of coercive field to the capacitance - voltage characteristics of ferroelectric thin films was also discussed. the dynamic switching of ferroelectric domain in ca doping ( pb, la ) tio3 thin film was studied by sndm from the view of electricity

    利用sndm ,從純電的角度觀察了plct薄膜中的電疇動態反轉過程,由電疇橫擴張的移動速度的降低,發現了界在電疇反轉過程中對疇壁移動的阻擋作用;根據sndm和pfm的在垂直上的不同信息敏感深度,得到plct薄膜中電疇反轉過程中電疇是楔形疇;用pfm觀察同一電疇在去掉外加反轉電場后電疇的極化弛豫現象,果表明空間電荷是發生極化弛豫的主要原因。
  5. In chapter 5 we discuss the design of ieee754 standard fpu ( floating point unit ). processor and uart ( universal asynchronous receiver transmitter ), these cores are used in this dissertation, fpu is used for floating point complex fft processor, uart is used for fft processor " s peripheral and our test platform. in chapter 6 we discuss the design for testability, including atpg, bist and jtag method, discuss the different verification and simulation strategy in soc scale facing to different modules, build up the test platform which is used to test high performance application specified digital signal processing processor. in chapter 7 we summarize the research results and creative points, and point out the further work need to do in the future

    第五章提出了基於ieee754浮點標準的浮點運算處理器的設計和異步串列通信核的設一浙江大博士位論文計,提出了適合硬體實現的浮點乘除法、加減運算的構,浮點運算處理器主要用於高速fft浮點處理功能,異步串列通信核主要用於pft處理器ip核的外圍擴展模塊以及本文所做的驗證測試平臺中的數據介面部分第六章提出了面系統級元的可測試性設計包括了基於掃描測試atpg 、內建自測試bist 、邊界掃描測試jtag設計,在討論可測試性設計策略選擇的問題上,提出了針對不同模塊進行的分別測試策略,提出了層次化jtag測試法和掃描總線法,提出了基於fpga
  6. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速率程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、構型式和倍頻法;其次,以空間相關的速率程為基礎,提出了ld端面泵浦nd : yag激光器的設計法,給出了一定泵浦耦合式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新法,並進行了理論和實驗研究,研究果表明:當激光體內泵浦光平均光斑半徑遠小於振西安理工大碩士位論文蕩光束腰半徑時,激光輸出功率的自然指數與泵浦光焦斑的縱位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  7. Presents the microstructure evolution in aluminum a nd copper after deformation by cold rolling in the strain range of 10 to 50 % red uction using tem and points out three types of dislocation structures are typica l and two of them are common for both materials and these two common types are f ound in non - cube grains and can be distinguished by crystallographic orientatio n of dislocation boundaries in the grains and the third type of structure is obs erved in cube grains, and concludes that grain orientation is important in deter mining the structure type but some other metallurgical parameters also have a ro le to play

    採用tem對冷軋多銅與多鋁的形變顯微組織演變進行了對比研究.果發現:多銅及多鋁形變顯微組織中均含有三類典型的位錯構類型,其中的兩種構特徵在兩種材料中是相似的,這兩種類型構存在於非立粒,可通過粒中位錯邊界的加以區別,另一類型構存在於立粒;粒的決定了其形變顯微組織類型,但其它冶金因素對顯微組織也有影響
  8. It spreads the information about people in exploring and transforming the world, it also has the feature of seeking the beautiful, the true and the kind. therefore the text of chinese can be regarded as the effective prescription to treat students " mental handicap. by means of different kinds of text, the teachers can give students some general and concrete guidance in order to make students grow up healthily and happily

    (六)語文教師應是習語文過程中的心理指導者,這是其他教師也做的工作,但語文教師有得天獨厚的條件,語文課程本是注重情感教育的課程,文本自身是人類情感和智慧的,傳遞著人類探索世界改造世界的信息,具有真的特徵,因而語文文本是教育生克服多種心疾病的好藥,教師藉助課內外不同的文本對生進行一般性和具體性的點撥,從而讓生健康而愉快地成長。
  9. The growth morphology of cu - cr eutectic are studied. during the process of eutectic growth, ( + ) growth is clinging to a phase. because cu - cr eutectic have very good coupling relation, the configuration of eutectic holds crystallography structure, and the influence of the direction of heat flow is not distinct

    2揭示了cu - cr共的生長形態,發現其在共生長過程中,共體( + )依附在相上生長; cu - cr因有較好的共格關系,其共形貌按照其特點生長,定凝固下熱流的影響不顯著。
  10. Clothing industry has always been one of the most important industries in china , among china ’ s whole exports , the clothing export has been holding the important status from this point of view, and on the basis of analyzing the history and current situation of china ’ s clothing industry, this paper points out the advantages of china ’ s clothing export with using the concerned theories of international trade in general , china ’ s clothing trade is growing steadily , but along with the intensify of the world clothing industry ’ s competition , the superiority of china ’ s clothing export is becoming less and less by analyzing the main counterparts of china ’ s clothing trade , that is the import features and trend of usa 、 eu 、 japan and hong kong , this paper gives the main problems that china ’ s clothing industry exists at present with designing the system structure for elements of affecting the clothing requirements , this paper uses ahp, grey 7heory and fuzzy theory to analyze the elements of affecting the clothing export and put them to order according to the degree of importance , which scientifically proves that the main elements that affect the clothing export are the green trade barriers 、 brands and styles , etc to counter these elements this paper supplies detailed suggestions on china ' s clothing trade management strategies these suggestions are practidal and operational , which must have a constructive role on china ’ s clothing industry entering into the world

    本文通過分析中國服裝貿易的主要夥伴,即美國、歐盟、日本和香港的進口特點和趨勢,指出中國服裝行業目前存在的主要問題。通過設計影響服裝需求因素的體系構,運用層次分析法、灰色模糊理論、模糊數對影響服裝行業出口的因素進行定量化法分析排序,科合理地分析出影響服裝出口的主要因素為綠色貿易壁壘、牌和服裝款式等,並針對這些因素詳盡地提出了中國服裝貿易經營戰略的建議。這些戰略性的建議具有可行性和可操作性,必將對中國的服裝行業走世界起到建設性的作用。
  11. The performance of the pbg antenna using the new pbg cover together with a pbg substrate is studied by the fdtd method together with the pml boundary treatment. the numerical results show that a more focused beam radiated in the broadside direction is achieved. the gain of the pbg patch antenna in the forward direction is improved by about 6 db. the radiation directivity is improved significantly and reaches 11. 5 db, which is 0. 4 db less than the maximum value that is allowed physically for this size of the antenna ( this difference is about 4. 1 db less than the difference achieved by thevenot et al.,

    用fdtd法並合pml吸收邊界條件,我們對加了這種新的覆層構並且基底鉆孔的復合構電磁(光子)體貼片天線的性能進行了研究,果證明加了這種新的電磁體覆層構以後,天線的波束收攏很多,並且前輻射的增益大大提高,與普通天線相比,天線的e面和h面圖上前輻射的增益均提高了約6db ,另外,該復合構天線的性系數達到了11 . 5浙江大博士位論文db ,與該物理尺寸天線的性系數的理論極限值( 11 . 9db )相差0 . 4db ,該差值比thevenot等人設計的電磁體覆層天線的相應差值減少了約4 . 1db ,比qiu等人設計的電磁體天線的相應差值減少了約1
  12. Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail

    針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展,本論文重點做了以下幾個面的工作,目的在於提高dtc系統的綜合性能: ( 1 )提出一種新型的速度磁鏈觀測器,新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度,並且根據popov超穩定性理論推導出轉速的新型自適應收斂律; ( 2 )改善系統的低速運行性能,主要從提高低速時對定子磁鏈的估計精度入手,提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp習演算法來實時在線地修正定子電阻參數; ( 3 )採用數字信號處理器dsp實現系統全數字化硬體控制,合ti公司生產的tms320lf2407元,設計了直接轉矩控制系統的實驗裝置; ( 4 )提出了基於sercos總線網路化分散式的直接轉矩控制系統, sercos ( serialrealtimecommunicationsystem )是目前最適合同步和協調控制的串列實時通信協議; ( 5 )基本勾勒出整個控制系統的硬體和軟體設計基本框架,詳細描述一些實驗中的具體的細節問題。
  13. From the results of the experiment, we can see that simultaneity electrochemical polymerization of 3 - pyrrole - dna and 3 - [ 2, 5, 8, 11 - tetraoxa - tridecyl - 13 - ol ] - pyrrole was a new promising method for preparing dna chips because this method had such following advantages : first, the immobilization procedure can be controlled easily. second, with the progress of microelectronics, the miniaturization and integraterization of polypyrrole - based dna chip can be achieved in the future ; third, using an electrochemical active compound like the mb, the hybridization detection will be performed more easily

    從以上實驗果可看出,電化聚吡咯法制備dna元和傳統的法相比具有下列優越性:首先,固定可通過電化信號控制和完成,操作簡單易行;其次,微電子技術和電化的進一步合,可以提高元的集成程度,將dna元進一步產業化推進;第三,通過應用電化活性物質,有望建立無標記的dna元檢測技術,有利於減少環境污染、提高靈敏度、降低成本。
  14. By dating the rocks and noting their crystalline structure, paleomagnetists can tell which direction the magnetic field took at any given time

    通過測定巖石的年代和標示它們的水構,古磁家能說出任何指定年代的磁場
  15. Prepared technical parameters were optimized by l9 ( 34 ) experiment analysis. a unique method for cleaning and drying of substrate - cleaning used by scour, drying used by infrared light was fished out by large numbers of experiment. chemical mechnism of zno thin film prepared by sol - gel technique was discussed by dta for the first time. by the measurements of sem, xrd and uvs, the thin film was analysed. the result proved that the thin film with strongly preferred orientation of c - axis perpendicular to the substrate surface which surface was homogenous, dense and crackfree was the crystalline phase of hexagonal wurtzite. the thin film was composed of plentiful asteroidal crystal which crystal dimension approximately 10 30nm. the average transmittance of thin film in visible region was above 90 %. the results of measurements else also proved that the thickness of single dip - coating was 75 240nm, this films resistivity was found to be 3. 105 102 3. 96 105 ? cm. the thickness and resistivity of thin film influenced by dope - content, withdrawal speed, pre - heat - treatment, anealing were reseached respectively

    利用xrd 、 sem以及uvs光譜儀等分析法對薄膜進行了研究,果顯示,所制備的薄膜為六纖鋅礦型構,具有高c軸擇優取性;表面均勻、緻密,薄膜材料由許多星狀粒組成,粒尺寸大約為10 - 30nm左右;薄膜可見光透過率平均可達90 % ;對薄膜厚度以及電性能進行了測定后發現:單次鍍膜厚度約為75 - 240nm , al ~ ( 3 + )離子摻雜型氧化鋅薄膜的電阻率在3 . 015 102 - 3 . 96 103 ? cm范圍內;分別研究了摻雜濃度、提拉速度、預燒溫度、退火溫度等工藝參數對薄膜厚度和電阻率的影響。
  16. This part emphasizes the synthesis of nanoarrays, aiming at controlling the size and distance of nanocrystallites using calixarene derivatives by altering the size, length and chemical structure of the organic molecules ; 2. this part emphasizes in situ synthesis strategy for fabrication of polymer network of zns based nanopowder, aiming at size controls, coating and preventing agglomeration following " one - pot " synthesis ; this method fits to low cost, large scale production ; 3. according to development in zno nanomaterials, we first report on the synthesis, characterization of amorphous zno, aiming at describing the principles and approaches of synthesis techniques, optical properties, spatial structure and doped effect ; the amorphous zno displays cage - like structure, showing a strong ultraviolet emission while the visible emission is nearly fully quenched, a potential uv - emission material ; 4

    本論文以量子構自組裝為出發點,提出利用杯芳烴及其衍生物的化受限反應實現尺寸可調半導體納米粒子自組裝;提出有機聚合網路原位組裝zns基納米熒光粉法,把熒光粉的納米化、包敷、防團聚在「一鍋」反應中完成,適于低成本,批量生產;根據當前zno的研究情況,我們首次合成了非zno ,研究了它的光性質,確定了它的構,並對其摻雜進行了初步的研究,非zno表現出強的深紫外發光特性,而可見發射非常弱,是一種有巨大潛在應用價值的深紫外發光材料;利用非zno的亞穩特性,對化過程中非zno納米zno三維受限量子構特性,界面特性進行了深入的研究;利用固相熱分解一般受擴散控制特性,實現了尺寸可控的zno三維量子構的自組裝;利用非zno的高度分散性,容易均勻成膜特性,實現了非誘導低溫液相外延自組裝生長高取zno體薄膜。
  17. Taking in - situ toughened silicon nitride as a design object, principle component analysis ( pca ) is applied to study the microstructure and mechanical properties, to find out the main microstructure controlling factors, and to simplify the characterization variables and criterions ; fuzzy neural networks ( fnns ) is also applied to develop a design expert system for this material, which can realize the forward prediction from processing, microstructure to mechanical properties, and backward design from mechanical properties or microstructure to processing ; monte - carlo method is applied to simulate the grain growth of this material, and then crack propagation is simulated, which is another way based on physics and chemistry to developing prediction models from processing until to mechanical properties

    本文以自增韌氮化硅陶瓷為設計對象,運用主成分分析法( principlecomponentanalysis : pca )對自增韌si _ 3n _ 4陶瓷的顯微構和力性能進行數據空間降維,獲得自增韌si _ 3n _ 4陶瓷顯微構控制的主要因素,進而簡化了表徵參量變量和準則;運用模糊神經網路( fuzzyneuralnetworks : fnn )建立了自增韌si _ 3n _ 4陶瓷設計專家系統,能實現工藝?微構?性能的正預測及反設計;運用monte - carlo法( mc )進行自增韌si _ 3n _ 4陶瓷的體生長模擬,然後進行裂紋擴展模擬,探索建立工藝?微構?力性能預測模型的思路。
  18. The transmittance of zno thin films with suitable doping molar ratio is above 80 % in the uv - visible range. the films obtained in this work show to have a high c - axis orientation, smooth and smooth morphology, high electrical resisitivity and high transparency, which can meet the requirements for piezo - electrical devices

    本論文通過對li : zno以及( mg人中znot4膜的分析研究,深入地探討了旋塗式、熱處理溫度、摻雜濃度和熱處理式等對zno膜的影響以及電和光性能的影響關系等,對z ; 。
  19. Polarizing microscope a light microscope that uses polarized light to illuminate the specimen. the orientation of molecules in certain crystalline substances affects the transmission of polarized light

    偏振光顯微鏡:指利用偏振光照射樣品的一種光顯微鏡。在某些體中,分子的影響偏振光的傳播。
  20. Tb doped pt thin films with highly ( 100 ) orientation were prepared. rapid thermal annealing process was used to supply enough energy for the movement of the atoms. so perovskite phase began to form at ( 100 ) orientation which had the lowest surface energy

    研究發現, pt / tb薄膜系統為非均相成核,利用快速熱處理工藝可控制原子以高能量遷移,使鈣鈦礦體以表面能最低的( 100 )面在薄膜生長生長, pt / tb薄膜出現了( 100 )浙江大碩士位論文面的擇優取
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