理論晶體學 的英文怎麼說
中文拼音 [lǐlúnjīngtǐxué]
理論晶體學
英文
theoretical crystallography- 理 : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
- 論 : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
- 晶 : Ⅰ形容詞(光亮) brilliant; glittering Ⅱ名詞1. (水晶) quartz; (rock) crystal 2. (晶體) any crystalline substance
- 體 : 體構詞成分。
- 學 : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
- 理論 : theory
- 晶體 : [晶體學] crystal; vitrella; crystal body; crystalloid; x-tal
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The near - stoichiometri litao3 has excellent speciality, such as high efficient conversion, tune conveniency, biger size and high damnify value etc. in this dissertation, the theory of quasi - phase - matched ( qpm ) technology and optical parametric oscillation ( opo ) was expatiated and studied first
近化學計量比litao3 ( slt )晶體在做參量振蕩方面具有轉換效率高、調諧方便、尺寸大、損傷閾值高等非常好的特性。本文首先對準相位匹配技術和光學參量震蕩器的理論進行了闡述和分析。The methods that will be discussed are based on concepts derived from various fields, namely electron optics, the interaction of electrons with crystals, elasticity theory, crystal defect theory and crystallography
我們要討論的途徑是以源自多種領域的觀念為基礎,也就是電子眼,電子和晶體之間的干擾,彈性理論,晶體缺陷理論和結晶學。Abstract : starting from the crystal structural characteristics and through the theoretical calculation of the chemical bonds of diasporite and kaolinite structures and the study of the flotability of the flotation systems of anionic collector ( sodium oleate ) and cationic collector ( dodecylamine ), the relationship between the crystal structural characteristics and the flotability of diasporite and kaolinite and the main causes for the difference in their flotability are analysed by the crystal chemical theory of minerals
文摘:從一水硬鋁石和高嶺石的晶體結構特徵出發,通過對一水硬鋁石和高嶺石結構中化學鍵的理論計算及陰離子捕收劑(油酸鈉) 、陽離子捕收劑(十二胺)浮選體系中可浮性的研究,採用礦物晶體化學理論分析了礦物晶體結構特徵與可浮性之間的關系,以及產生一水硬鋁石和高嶺石可浮性差異的主要原因。This thesis mainly discusses the devices based on crystal optics and polarization, which includes polarization interference filter ( pif ) used in the separation and combination systems of lcos, achromatic wave plates based on the similar principal of pif and the crystal polarization beam splitter
本論文將主要討論晶體偏振光學器件:用於lcos分合色的偏振干涉濾光片( pif ) ,基於pif原理的消色散延遲片和偏振分束器。Through charoma theory and metal - bearing ores " color index analysis, the color of the turquoise is quantitated. crystal field spectra of cu2 + ion have been analysed and compared with the oretical calculations, the results show that the basic color of turquoise ( azure ) is related to the existence of cu2 + octahedron. in this charpter, quantum mineralogy theory is used in quantity
通過吸收光譜實驗,利用量子礦物學的有關知識,對綠松石中銅離子的晶體場譜進行了計算,並利用晶體場理論解釋了綠松石吸收光譜,揭示了綠松石顏色形成的主要原因是聯系著晶體場譜的顏色:過渡金屬銅離子對綠松石的顏色起主要作用? ?決定了綠松石的基本色調(天藍色) 。The inperfect crystal structure and its analysis for materials, is an elective course for the master graduate student, which include the crystallology principle, development of crystal diffraction, crystal determination and computer simulation of new phase, analysis of solid solution and superstructure, correction of crystal structure and bondvalent theory, analysis of inperfect crystal structure, analysis of amorphous structure and so on
材料不完整晶體結構及其分析方法,為材料科學及工程等專業碩士研究生的選修課,內容包括晶體學基礎、晶體衍射技術最新進展、新相晶體結構測定與數值模擬、固溶體與超結構分析、晶體結構修正與價鍵理論、不完整晶體結構分析、非晶結構分析等。0 x 10 " 3 and 264. 6mpa respectively. 6. the damping mechanism at ambient temperature is related to viscous motion of dislocation and interactions between dislocation with various point defects, the viscous sliding between the phase with rich zn and primary a dendrite crystals and the micro - plastic deformation of the soft phase in the eutectic
6 ) azsm合金的室溫阻尼行為與組織中的溶質原子和位錯的交互作用以及位錯的粘性運動、富鋅相與基體之間的粘性滑移、以及共晶體中較軟相的西安理工大學碩士學位論文微塑性變形有關。The leec biochip can be connected with pcb ( printed circuit board ), thus it can generate a moving electric field by changing time, scope and field intensity discretionarily under single chip processor ' s control. meanwhile it is probable to reduce driving voltage and decrease temperature greatly, and so increase resolution of dna separation
研究內容包括線性分散式電極陣列的理論設計,以普通載波片和有機高聚物pdms ( polydimethylsiloxane )為基本材料的晶元製作工藝, leec晶元和pcb板的連接方式,硬體控制系統的設計以及控制晶元工作的單片機程序編制等,此外還包括電化學檢測方法的研究。In the present dissertation, some properties of sodium tellurite glasses, including density, chemical durability, stability against crystallization and fragility of glass forming liquid are studied. the melting, evaporation and solidification of sodium tellurite glasses in low gravity during drop shaft experiments are observed. except this, the phase - separation of lead borate glasses under different gravity condition is also studied
本文亞碲酸鈉玻璃作為研究對象,系統探索了亞碲酸鈉玻璃的熔化條件,化學穩定性,玻璃抗析晶能力以及玻璃形成液體的脆性等問題,著重研究了na _ 2o - teo _ 2玻璃在落塔實驗中的熔化和氣化以及pbo - b _ 2o _ 3玻璃在落塔實驗中的分相,為解釋玻璃在不同重力條件下的熔化和分相等現象提供了理論依據。The dissertation discussed the theories of second - harmonic generation for negative uniaxial optical crystal and summarized properties of nonlinear optical crystals, which are subjected to ultraviolet second - harmonic generation, and represented the theorizational law of double frequency crystal select ( tldfcs ). at present, bbo crystal is the most subjected to commercial crystal of ultraviolet second - harmonic generation according to compared kdp, bbo, clbo, kabo and kbbf crystals based on tldfcs
論述了負單軸晶體的倍頻理論,總結了適用於紫外倍頻的非線性光學晶體的特性,提出了倍頻晶體選擇的理論依據,並根據該依據通過比較,最後選定bbo晶體為目前最適宜用於產業化的紫外倍頻晶體。The effects of the fabrication conditions on the crystal structure, grain size, micromorphology and electrochemical performance of these materials have been studied in depth. the reaction mechanism of the low - heating solid - state reaction method has also been investigated. in addition, a novel electrochemical method ( rpg method ) based on the concept of " ratio of potentio - galvano - charge capacity " has been for the first time developed to determine the diffusion coefficient of lithium - ion within insertion - host materials on the basis of the spherical diffusion model
本論文較系統地考察了低熱固相反應法合成鋰離子電池正極材料的可行性問題,研究了工藝條件對材料的晶體結構、晶粒尺寸、微觀形貌及電化學性能等的影響,探討了低熱固相反應的機理,並通過引進「恆壓-恆流充電容量比」的概念,給出了一種測定鋰離子嵌入脫出固相擴散系數的新方法。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,從四能級速率方程出發,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、結構型式和倍頻方法;其次,以空間相關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,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晶盒,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激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學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向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 。Theoretically, on the bases of the physical and chemical characters of nonlinear frequency - conversion crystal ktp, the parameters such as walk - off angel, acceptance angle and effective nonlinear coefficients are calculated, analyzed and discussed, together with elaborate analysis to phase - matching process for type ii ktp opo phase - matching
在晶體的光學性能方面,根據ktp的物理和化學性能,對它的有效非線性系數、走離角和接受角等參數進行了計算、分析和討論。對ii類相位匹配的ktp晶體在參量振蕩過程中的相位匹配進行了詳細的分析和計算。It is directed by the 1atest theory of terrain stickin plate tectonic, and based o n petrographical series and stratum layers. from the aspects of structural analysis, stratigraphy, petrology, sedimentology, structure geology, remote sensing geology, geophysics as well as tectonics, the author put the ordos basin into a bigger and deeper studying field while using the combination of sedimentation and structure analyses, the data of outcrops around the basin and the deep drilling coring data in the middle of this basin, geochemistry analysis, seismic methods and non - seismic methods, etc. this paper discussed the relationship between the crystalline basement and the suprastructure in and surrounding the ordos basin, and also the influences of deep geology on the basin platform cover, and some new point of view and better understanding have been brought forward on the basement growth of ordos basin and it ' s platform cover
論文以板塊構造研究的最新地體拼貼理論為指導,以巖系、地層為基礎,將沉積與構造分析相結合,並以地層學、巖石學、沉積學、構造地質學、遙感地質學、地球物理學、大地構造學等多學科入手,在充分整理現有資料及前人研究的成果基礎上,利用盆地周緣野外露頭以及盆地中部分鉆井深部取芯資料、地球化學分析資料、地震、非地震等資料將鄂爾多斯盆地置於一個更大的尺度,更深的范疇,討論了鄂爾多斯盆地及其周緣地區結晶基底與淺層構造之間的關系,探討了深部地質對盆地蓋層的影響,以不與前人雷同的視角對鄂爾多斯盆地基底發育及其蓋層中存在的問題提出了新的觀點和認識。With the very low water to cement ratio, rpc has ultra - high strength high ductility and low permeability. in this paper, the compressive strength of rpc can reach to a high point with the number approximately 135mpa. as illustrated from the study results, we can approve some fundamental conclusions : there are big effects on rpc with deferent kinds and properties of raw materials and deferent curing conditions ; stress - strain curve shows the process of destroy with rpc samples ; x - ray diffraction analysis indicates that heat treatment at temperatures 90 accelerate the hydration of rpc sharply, therefore, mechanical and microstructural properties of rpc are highly dependent on heat treatment ; it is believed that rpc materials have excellent resistance to chloride permeability ; during the heat treatment, the shrinkage of rpc developed quickly because of chemical reactions ; the rpc with slag mostly has the advantage of rpc without slag about resistance to solutions corrosion
研究結果表明:通過對rpc各組分摻量變化的研究,可以找到rpc的最優配合比;試件成型后的熱養護制度對rpc的性能影響巨大; rpc的抗壓應力?應變曲線可以反映出試件受破壞時微裂紋的擴展情況,剛纖維的摻入可以大幅改善rpc的韌性; rpc在成型后存在較大的收縮,而其中的化學收縮要遠遠大於乾燥收縮; rpc具有很強的抗氯離子滲透性能,漿體的密實度很高;通過x射線衍射實驗,可以發現rpc的膠凝體中ch晶體已經幾乎不存在,膠凝體主要由c - s - h凝膠和未水化水泥顆粒組成;在抗溶液侵蝕的實驗中,摻礦渣rpc的抗溶液侵蝕性能在絕大多數情況下要好於不摻礦渣試件,酸、堿溶液和浙江工業大學碩士學位論文摘要一些鹽溶液都會對rpc的結構產生侵蝕作用,但是機理各有不同。With the increasing deepening of the study on crystallization mechanism of the magmatic system, the magmatic kinetic theory of volcanic and intrusive rocks has entered the stage of establishing a model
摘要隨著巖漿體系結晶機理研究的不斷深入,火山巖和侵入巖巖漿動力學理論已經進入到模型建立階段。With the thermodynamic theories and techniques, it is relatively easy to determine the phase equilibrium data with enough accuracy, however there still exist much more difficulties in crystallization kinetics study even for a simple binary system. that is the reason that nucleation and crystal growth rate are generally represented in form of the empirical expressions. the crystallization kinetic is important for crystallizer design, process control and optimization, and it is strongly depended upon the accurate characterization of process information concerning with multiphase flows and the further disclose of its mechanisms with suitable mathematical models
熱力學理論和方法已足以獲得準確的相平衡關系;然而即使對于簡單的二元物系的結晶過程,晶核形成和晶體生長動力學的研究仍面臨許多困難,通常採用經驗模型表述,而動力學參數的準確性和可靠性是結晶器放大設計、過程式控制制與優化的關鍵,因此多相流信息的準確表徵、結晶機理的進一步揭示及建立起與之相適應的數學模型有著十分重要的學術研究和實際應用價值。Furthermore, reaction thermodynamics, reaction mechanism and forming mechanism of crystal were analyzed. the crystal lattice constants of production were also calculated
此外,對反應熱力學、反應機制、晶體的形成機理等方面進行了理論分析,並計算了部分產物的晶格常數。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結構,運用層次分析法、灰色模糊理論、模糊數學對影響服裝行業出口的因素進行定量化方法分析排序,科學合理地分析出影響服裝出口的主要因素為綠色貿易壁壘、晶牌和服裝款式等,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向世界起到建設性的作用。In this paper, based on my experiments, the mechanism of pneumatic defrosting of air cooler was studied through the application of thermodynamics, heat and mass transfer, classical theory of nucleation, boundary - layer theory, the theory on gas dynamics
本文在對氣動除霜進行了實驗研究的基礎之上,應用工程熱力學、傳熱傳質學、晶體成核理論、邊界層理論、氣體動力學等有關知識,從系統的觀點出發,探討了氣動除霜的機理。分享友人