晶體學極 的英文怎麼說

中文拼音 [jīngtǐxuéjí]
晶體學極 英文
crystallographic pole
  • 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...
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 晶體 : [晶體學] crystal; vitrella; crystal body; crystalloid; x-tal
  1. Ceo22 is used as optical materials, polishing agents, ultraviolet absorption materials, the cleaning catalyst of car ' s waste gases, chemical decolorant of glass, radiation - resisting glass permanent magnet, electronic ceramics etc. if it is processed into nanoparticles, it will exhibit some novel properties led to varied applications. for example, ceo22 nanocrystal is a better promoter of cytochrome c and the stabilizer of zro22 ceramics. because of its high index of refraction and good stability, it is used to produce reduced reflection film

    Ceo _ 2是一種廉價而用途極廣的材料，如用於發光材料、拋光劑、紫外吸收材料、汽車尾氣凈化催化劑、玻璃的化學退色劑、耐輻射玻璃、永磁體、電子陶瓷等，其納米化后將出現一些新的性質及應用，如ceoz納米晶是細胞色素c的良好的催進劑，還用作zro :陶瓷的穩定劑，由於ceo :折射率高，穩定性好，常用於制備減反射膜等。
  2. The course concentrates on circuits using the bipolar junction transistor, but the techniques that are studied can be equally applied to circuits using jfets, mosfets, mesfets, future exotic devices, or even vacuum tubes

    本課程集中講解使用雙極結晶體管的電路，但所學技術同樣適用於使用jfet ， mosfet ， mesfet ，未來的稀有裝置，甚至真空管的電路。
  3. 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。
  4. On account of qpm can take advantage of the largest element of x tensor, and any interaction with transparency range of the material can be noncritically phase matched without walk - off angle. therefore, the conversion efficiency in longer crystal may be improved

    由於準相位匹配可利用非線性光學晶體最大的二階極化張量元，在晶體的整個通光范圍內均可實現非臨界相位匹配，在較長的晶體上可望實現較高的變頻效率。
  5. At present, people usually use birefrigence and quasi - phase - matching methods to achieve higher effiency in the process of conversion. a significant advantage of quasi - phase - matching method is that the interaction is occurred through the largest element of the x ( 2 ) tensor ; the period of optical superlattice can be designed randomly, and any interaction can be matched without walk - off angle ; they are fitted to be used in frequency conversion of lower power especially. the quasi - phase - matching method has some advantages over birefrigence method, improving the efficiency of frequency conversion ; the range of frequency conversion covers its whole transperant wavelength

    由於準相位匹配技術有其獨特的優勢，可以利用非線性光學晶體的最大二階極化張量，如ppln 、 pplt 、 ppktp用的非線性極化張量都是d _ （ 33 ） ，其有效非線性系數高出普通非線性光學介質（如bbo 、 lbo 、 ktp ）一個數量級，而且可以人為靈活設計調制周期，通過周期設計其頻率變換范圍可以覆蓋準相位匹配介質的整個透明波段，選擇無走離效應，解決了常規pm難以解決的問題，拓寬了非線性晶體的應用范圍，極大地提高了頻率轉換效率，已成為非線性光學材料和固體激光器的研究熱點之一。
  6. 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方法並結合pml吸收邊界條件，我們對加了這種新的覆層結構並且基底鉆孔的復合結構電磁（光子）晶體貼片天線的性能進行了研究，結果證明加了這種新的電磁晶體覆層結構以後，天線的波束收攏很多，並且向前輻射的增益大大提高，與普通天線相比，天線的e面和h面方向圖上向前輻射的增益均提高了約6db ，另外，該復合結構天線的方向性系數達到了11 . 5浙江大學博士學位論文db ，與該物理尺寸天線的方向性系數的理論極限值（ 11 . 9db ）相差0 . 4db ，該差值比thevenot等人設計的電磁晶體覆層天線的相應差值減少了約4 . 1db ，比qiu等人設計的電磁晶體天線的相應差值減少了約1
  7. Srtio _ 3 ( sto ) thin films exhibit a large electric field dependence of dielectric permittivity. the microwave surface resistance of yba2cu3o7 - x ( ybco ) is much lower than that of the normal conductor. the typical value of rs for ybco epitaxial thin film is smaller than 1 m

    在低溫下， srtio _ 3 （簡寫為sto ）薄膜具有強烈的非線性介電性質，即:介電常數隨外加直流電場變化而變化; yba2cu3o7 - x （簡寫為ybco ）具有極低的微波表面電阻， rs （ 10ghz ， 77k ） < 1m ，而且它們的晶體結構相似，晶格常數匹配以及化學性質相容。
  8. 4. for the first time, the real - time on - line studies of adsorption of human serum albumin on different surfaces and the interaction between human serum albumin and anticancer drug vepesid were carried out using combined electrochemical quartz crystal impedance with electrochemical impedance spectroscopy system

    首次採用電化學石英晶體阻抗系統（ eqcis ）和電化學阻抗譜（ eis ）雙阻抗聯用新技術，實時、在線地研究了人血清白蛋白（ hsa ）在不同性質的電極表面的吸附行為以及與抗癌藥物足葉乙甙的作用過程。
  9. The recent developments in normal spinel limn2o4 were reviewed, in the process of the solid state synthesis, we researched the effect of materials and synthesis temperature on crystal structure and electrochemical performance, which were characterized by dta - tg, sem, xrd as well as electrochemical performance testing. the structure, electrochemical performance and the correlations between them were all discussed in detail for these doped samples

    本文在綜述國內外鋰離子電池尖晶石型材料limn _ 2o _ 4研究進展的基礎上，結合dta - tg 、 sem 、 xrd和電化學性能測試等手段，系統研究了固相法制備鋰離子電池正極材料摻鈷錳酸鋰合成原料、合成溫度對所得材料外觀形貌、晶體結構和電化學性能的影響。
  10. And then the theoretic technique of import the periodically wave of periodically poled crystals in the process of opo was studied, the theoretical method was realized by using period poled crystal in quasi - phase - matched optical parametric oscillation

    研究了將周期極化晶體的周期波矢引入光學參量振蕩過程，利用周期極化晶體實現準相位匹配光學參量振蕩的理論方法。
  11. Compared with the traditional lamp - pumped solid - state lasers, the diode - pumped solid - state lasers ( dpssls ) have many advantages such as high efficiency, long lifetime, all - solid - state, small size and little heat effect, etc. of many kinds of dpssls, laser diode ( ld ) end - pumped nd : yag laser plays an important role and has been found wide applicatins in industry, mainly because of its good mechanical and optical properties of nd : yag crystal and good mode matching to output a fundamental transverse mode

    與傳統的燈泵浦相比，激光二極體泵浦固體激光器（ dpssls ）具有高效、長壽命、全固化、熱效應和體積小等優點。在眾多的dpssls中，激光二極體（ ld ）端面泵浦nd ： yag激光器在工業中起著重要的作用並得到了廣泛的運用，這主要歸因於nd ： yag晶體具有良好的機械和光學特性，而且端面泵浦具有良好的模式匹配，能獲得基橫模激光輸出。
  12. Some electro - optical crystals can result in birefringency when they are pressed by electric field, by controlling the intensity of the electric field, we can change the phase of the output optical beam, so the desired scanning direction can be got

    它主要是利用某些電光晶體在電場的作用下，可以產生雙折射的原理，通過控制加在光學相控陣中各相控單元兩極間的電場強度，可以改變出射光的相位，從而得到所需角度的掃描。
  13. Based on these, due structure and physical and chemical properties of an excellent cathode material are presented. and oxides of high - valence cobalt, manganese and vanadium as lithium - insertion host were chosen as experimental model

    在此基礎上，提出了優良的陰極材料應具備的晶體結構及物理、化學性質，並選定了鈷、錳、釩的高價氧化物作為鋰嵌入基體的實驗對象。
  14. At same time. osl ( optical supperlattice ) does n ' t change the optic property of crytal. and only modulate the direction of the tensor d33 periodically

    同時，光學超晶格不改變晶體的光學性質，僅是對晶體的極化率進行周期調制，它擴大了現有晶體的應用范圍。
  15. In the last chapter, a novel method of optical voltage sensing based on second harmonic generation in periodically poled linb03 is proposed

    本文最後一部分，從光學電壓傳感器的原理出發，在周期性極化鈮酸晶體倍頻效應基礎上，提出了一種新的光學電壓傳感方法。
  16. The piezoelectric quartz crystal impedance analysis is a new method to study the quartz crystal resonance. it has been well established as a powerful tool capable of responding in situ to an electrode mass change down to the nanogram level and the change of the solution viscosity and density, and it is also expected to find wider applications in chemistry, life science, surface science, food science, environment monitoring and so on

    壓電石英晶體阻抗分析法是研究石英晶體諧振的新技術，可獲取多維壓電信息，從而現場動態監測電極表面低至納克級的質量及溶液粘密度等響應，可廣泛應用於化學、生命科學、表面科學、食品科學、環境檢測等領域。
  17. Larger growth pressure of buffer layer led to the dramatic increase of structural and optical quality of gan epilayer, and the improvement in quality was attributed to the transition of growth mode from 3d to quasi 2d, which was revealed by scanning electron microscope

    發現緩沖層的生長壓力變化對退火后緩沖層表面的狀態影響極大，增大緩沖層生長時的反應室壓力可以明顯提高外延gan的晶體質量和光學質量。通過sem分析，發現提高緩沖層生長壓力時，高溫gan生長明顯經歷了從三維生長到二維生長的過渡，晶體質量明顯提高。
  18. Device applications of physical phenomena are considered, including electrical conductivity and doping, transistors, photodetectors and photovoltaics, luminescence, light emitting diodes, lasers, optical phenomena, photonics, ferromagnetism, and magnetoresistance

    包括電導性及摻雜，電晶體、光偵測器及光伏特計，螢光、發光二極體、雷射、光學現象、光電子學、鐵磁性及磁阻性等物理現象之元件應用。
  19. ( 2 ) the adsorption of lysozyme from phosphate - buffered saline ( ph 7. 4 ) onto bare and cysteine or 1 - octadecanethiol - modified au electrode has been investigated in situ using an electrochemical piezoelectric quartz crystal resonance system ( eqcis )

    （ 2 ）用電化學石英晶體阻抗系統（ eqcis ）現場監測了ph7 . 4磷酸緩沖液中溶菌酶在金電極和半胱氨酸或正十八硫醇修飾電極上的吸附。
  20. The optical characteristic and photoelectricity response of zno have been studied in this thesis. in addition, zno - based schottky diodes and zno - based thin - film transistors were fabricated

    本文主要研究了zno薄膜的生長及其光學性質和光電響應;製作了肖特基二極體和薄膜晶體管。
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