晶體的熱電性 的英文怎麼說

中文拼音 [jīngtǐderèdiànxìng]
晶體的熱電性 英文
pyroelectricity of crystal
  • 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。
  • 的 : 4次方是 The fourth power of 2 is direction
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 晶體 : [晶體學] crystal; vitrella; crystal body; crystalloid; x-tal
  1. The structures and characteristics of several graphite samples are measured by means of powder x - ray diffraction ( xrd ), brunauer - emmer - teller ( bet ) surface area measurement, inductively coupled plasma ( icp ) spectroscopy, particle size analysis and electrochemical measurements. the effects of origin, structure, impurity, particle size, specific surface area of carbon materials on the electrochemical characteristics are studied. a synthetic graphite with abundant resources, low cost and favorable performance is determined as the raw material for modification of graphite

    採用xrd 、 bet 、 icp 、激光粒徑分析及電化學性能測試等方法，對國內外多種典型石墨樣品的結構與性能進行比較，研究石墨材料的來源、晶體結構、雜質含量、顆粒大小、比表面積等因素對其充放電性能的影響，確定一種性能較好、價格低廉、來源廣泛的普通人造石墨粉作為熱處理與摻雜改性、以及復合結構炭材料研究的原材料。
  2. Based on the review, the main objectives of this work had been determined. the thermodynamic analysis indicated that corundum - mullite - gahnite multiphase materials can be synthesized. the investigation of x - ray diffraction ( xrd ) and scan electron microscope ( sem ) proved the validity of thermodynamics research

    通過對al _ 2o _ 3 - sio _ 2 - zno體系相關反應熱力學的計算表明能夠合成出剛玉?莫來石?鋅鋁尖晶石復相材料， x ?射線衍射（ xrd ）和掃描電子顯微鏡（ sem ）的研究證實了熱力學計算的可靠性。
  3. Indium stannum oxide ( ito ) as semiconductor have caused a great deal of interest due to their prominent electro - optical behavior. ito has high prominent transmittance, high infrared reflectance, good electrical conductivity, ito applied as gas sensors, photovoltaic devices, heat reflecting mirrors, solar cells, flat panel displays, liquid crystal displays, electroluminescent, devices and organic light - emitting diodes ( oled ) etc. although preparations and applications of ito films have been studied deeply. nano - ito composites hardly studied

    氧化銦錫（ ito ）是一種高簡並的n型半導體，由於具有導電性，可見光高透過率，紅外反射性，穩定的化學性，被廣泛應用於熱反射建築玻璃、抗靜電塗層，太陽能電池，熱發射鏡，平板顯示器和液晶顯示屏，傳感器，有機光致二級管（ oled ）等方面，國內外對高質量的ito薄膜的制備和應用進行了深入的研究，但是很少有ito納米粒子與高分子材料復合的報道。
  4. Gaas crystal is a kind of iii - v group compound semiconductor material with good electrical performance. the semiconductor devices and integrated circuit ( ic ) fabricated on gaas substrate have such advantages of hign - speed information processing that they have drawn the researcher ' s attention

    Gaas晶體是一種電學性能優越的-族化合物半導體材料，以其為襯底製作的半導體器件及集成電路，由於具有信息處理速度快等優點而受到青睞，成為近年來研究的熱點。
  5. 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。
  6. The voltage of lithium - intercalation reaction, impedance and structural stability of intercalation - type cathode material were analysed and calculated. theoritical results show that the reaction voltage depends on the content of lithium and the bond energy, and that the key ways to lower the electrode impedance are to increase the electronic conductivity of the electrode and the diffusion coefficient of lithium ion in the host and to decrease the size of powder. in addition, the thermal stability of lithium - insertion structure can be improved by using crystallographic co - lattice theory and doping treatment

    本文從嵌入式陰極材料的嵌鋰反應的電壓、阻抗及結構穩定性的分析和理論計算著手，得到了電壓取決于基體中各種離子間的鍵能及鋰含量、降低電極阻抗的關鍵是提高電子型導電性和li ~ +在基體中的擴散系數及減小粉末粒度的理論依據及其利用晶體的共格原理和摻雜改性的方式來提高材料嵌鋰結構的熱穩定性的設計思路。
  7. The enhanced photoconductive effect from small amount of tnf facilitates the preparations of new organic photoconductive devices under the drive of low fields. in the fourth chapter, inclpc nanoparticles embedded in poly ( n - vinylcarbzaole ) ( pvk ) were prepared successfully by dissolving inclpc in aprotic organic solvent / lewis acid with great concentration for the formation of electron donor - acceptor complexes, i. e., the method of complexation - mediated solubilization. the fabricated inclpc nanoparticles were characterized by means of uv / vis absorption, x - ray diffraction pattern, and tem

    論文的最後一章中，我們合成了具有較好的電子傳輸性能的化合物』一二苯基四竣酸花酚亞胺（ ddp ） ；研究了其溶解性、熱穩定性、晶體結構、紅外光譜、紫外吸收光譜和蒸鍍薄膜的屬性，並用量子化學計算方法模擬其單分子的空間構型；載流子遷移率測試的結果約為ix10 「 、 m 』 v 」 』 ? s 「 』 。
  8. The fact that tatb crystal in expands along c axle and could not be recovered in a heating circulation were explained from the distance between atoms as well as from miilliken population analysis. we also have explained that p - hmx crystal is easy to initiate decompose and detonate but tatb is very stable through the research of electrostatic potential map of electric charge

    分析原子間距和m lliken集居，解釋了tatb晶體沿c軸膨脹以及受熱循環后長大的各向異性和不可復原性等實驗現象；還通過對點電荷靜電勢的研究，闡明了- hmx晶體易於在分子間相鄰硝基處引發分解和起爆，而tatb則很穩定等實驗事實。
  9. It adopted after years of use proved to be totally reliable, professional design, transistors chassis grounding professional design, large transistors allow direct contact cooling unit and do not have to insert the middle of mica insulation film, thermal capacity increases promoting - - warming is the burning of the power amplifier transistors number one killer. professional design significantly improve the heat dissipation problems so as to enhance the reliability of the power amplifier

    它採用了經過多年使用證實是完全可靠的一種專業設計，電晶體機殼接地的專業設計，讓放大電晶體直接接觸散熱片而中間不用加插絕緣用的雲母片，加促散熱能力? ?升溫是燒毀功放電晶體的頭號殺手，專業設計大大改善了散熱問題從而提高了功放的可靠性。
  10. Recent years, the using of piezoelectric sensors becomes a focus in novel biosensors research. the basic principle is that the characters of its oscillation are highly responded with the changes of the surface mass adsorption, or the physic characters in the reaction system including density, viscosity, conductivity and so on. a piezoelectric biosensor with a nanogram sensitivity could be constructed through a reasonable biological processing and structure designing to the piezoelectric quartz crystal

    近年來，壓電傳感器檢測技術逐漸成為生物分析中的研究熱點，其基本原理是利用石英晶體振蕩特性對石英晶體表面質量負載（質量效應）和反應體系物理性狀如密度、粘度、電導率（非質量效應）等的改變具有高度敏感的特性，通過對石英晶體進行適當的生物學處理和結構設計，構建出具有具有ng級檢測能力的生物傳感器。
  11. According to negative temperature coefficient of vbe and positive temperature coefficient of vt, a framework of band - gap voltage reference is investigated. the reference offer a source of pir, distributed three voltage, one as upper - threshold voltage of dual - threshold comparator, the other as lower - threshold voltage of comparator, the other as direct current voltage for second band - pass filter amplifier

    同時利用pnp晶體管發射結電壓的負溫度特性和發射結差值電壓的正溫度特性設計了一個帶隙基準電壓源。此帶隙基準電壓源本身作為熱釋電紅外傳感器的電源電壓，同時分壓提供雙限電壓比較器的上限電平和下限電平以及第二級帶通濾波放大器的直流電平。
  12. Thermal and welding residual stress often produces in the proceeding of the electronic package, the residual stress release and thermal deformations of the microelectronics will reduce the assemble intensity between the chip and package, and then debase the electrical performance of the assemble circuit, numerous thermal cycling will lead to thermal fatigue or thermal failure of the microelectronics

    電子封裝器件在生產的工藝過程中，往往會產生熱殘余應力以及焊接殘余應力，殘余應力的釋放作用及器件在使用過程中的熱變形，會降低集成電路晶元與封裝體的結合強度，進而降低集成電路的電性能，反復的熱循環，將導致器件的熱疲勞失效，嚴重時可導致矽片或陶瓷片破裂，使整個器件遭到破壞。
  13. The maximal power outputs of 37. 0 mw / cm2 and 30. 0 mw / cm2 for the p - and n - type laminated materials respectively at the temperature difference 490 have been experimentally obtained, which are about 2. 5 and 3. 0 times those of - fesi2. chemical analyses show that the interface failure between the bridge alloy and the semiconductor bi2te3 results mainly from the eutectic mixtures with low melting point and brittle compounds formed during welding and long time annealing at 190. it is found that the electrical properties of a laminated structure are mainly controlled by the wettability of the bridge alloy on the semiconductor surface

    發現： 1 ）疊層材料具有明顯優于均質材料的熱電性能，在490溫差下， p -型和n -型疊層材料的最大輸出功率分別達到37 . 0和30 . 0 （ mw / cm ~ 2 ） ，是同類型均質- fesi _ 2的2 . 5和3倍； 2 ）在焊接過程和190長時間退火處理過程中，焊接過渡層合金和基體半導體（特別是bi _ 2te _ 3 ）之間存在明顯的元素相互擴散，從而在過渡層中形成一些低熔點共晶體和脆性化合物，這是導致疊層材料破壞的主要原因； 3 ）焊接過渡層合金與半導體基體之間的潤濕性是影響界面層電性能的主要因素。
  14. The structural characterization of v _ 2o _ 5 compounds were measured bymeans of differential thermoanalysis ( dta ) and thermogravimetry ( tg ), scanning electron microscopy ( sem ), and x - ray diffraction ( xrd ). the testsreveale that materials which were prepared by sol - gel ( inorganic sol gel andmelting - coling ) showed that the amorphous structure, and the interlayer spacingenlarge a lot than that of crystalline v _ 2o _ 5

    採用熱重與差熱（ tg - dta ） ，掃描電子顯微鏡（ sem ） ， x射線衍射（ xrd ）等測試手段對材料的結構性能進行表徵，結果顯示兩種溶膠-凝膠法（無機溶膠凝膠法和熔融淬冷法）制備的v _ 2o _ 5材料均為無定型結構，其層面間距均比晶體v _ 2o _ 5成倍增大。
  15. Accordingly, a new framework, which provides a common scheme for the numerical simulation on the macroscopic behavior of ferroelectrics though multi - scale analysis on the coupled thermo - electrics - mechanical behavior of multiphase in heterogeneous material, is induced to construct the effective constitutive equation of multiphase. in chapter four, based on the law of domain nucleation and domain wall motion of 1800 domain switching, a new scheme of domain switching and numerical simulation approach is put forward on the foundation of thermodynamics. driving traction, nucleation criterion, velocity of domain wall motion, kinetic relation and rate of domain switching in a single grain are given

    第四章以鐵電體1800疇變的過程中形核規律和疇界運動規律的實驗觀察結果為基礎，根據熱力學理論建立鐵電體疇變的理論框架和數值模擬方法；給出了單疇內疇變驅動力、新疇形核準則、疇界運動速度公式、疇變動力學的表達式，單晶的疇變速率公式；用細觀力學的觀點給出了對多晶鐵電體多場耦合的有效性質進行包含疇變速率影響的多尺度分析方法。
  16. Wang zijun ( condensed matter physics ) directed by prof. zhong guozhu and li wenlian hotly studied organic thin film electroluminescence, because of its ultra high brightness and efficiency, reminds man to consider the possibility of realizing organic semiconducting laser diods

    熱點研究的有機薄膜電致發光，由於極高的亮度和效率，使人聯想有機半導體薄膜激光二極體的可能性。率先的突破是在單晶上作出的，用了場效應注入雙電極。
  17. In this paper, we implanted mn + ion of different dose into undoped semi - insulating ( 100 ) gaas substrate then performed rapid thermal annealing in different temperature and time. studied the different annealing condition dependence of the samples " structure, electrical and magnetic properties and the relation of the mn + forms and these properties

    本課題採用離子注入的方法將不同劑量的mn ~ +注入到非摻雜半絕緣（ 100 ） gaas單晶襯底中，然後進行不同溫度和時間的快速熱退火處理，研究了不同的退火條件對樣品注入層的晶體結構、電特性和磁特性的影響以及mn ~ +在樣品中的存在狀態與這些性質之間的關系。
  18. As a kind of condensed state matter, the characteristic and structure of liquid crystal between solid crystal and isotropic liquid. it is a ordering liquid, as the macroscopical characters are concerned, it have the flowing power and viscidity like liquid, and the anisotropy like crystal, it has birefringence, bragg reflection, diffraction and optical rotation like crystal. furthermore, it has thermal light effect, electrical light effect or magneto optical effect in outside field

    它是一種有序性的液體，從宏觀物理性質上看，既具有液體的流動性、粘滯性，又具有晶體的各向異性，能象晶體一樣發生雙折射、布拉格反射、衍射及旋光效應，也能在外場作用下產生熱光、電光或磁光效應。
  19. Because of the crystalline leading to the piezoelectricity of pvdf, pvdf fiber and pvdf / pa11 fiber ' s structures and crystalline were investigated and analyzed by means of wide angle x - ray diffraction, differential scanning calorimetry, fourier transmittance infra - red spectroscopy and scanning electron microscopy, etc. it was shown that there are two kinds of crystalline - a phase and b phase in pvdf fiber

    由於pvdf的壓電性與晶體結構有關，於是利用紅外光譜、差熱分析、廣角x光衍射和掃描電鏡等測試手段對純pvdf纖維以及pvdf pa11共混纖維的結構性能及晶型轉變進行了深入的研究。
  20. Crystal structures and thermoelectric properties of sm - filled skutterudite compounds smyfexco4 - xsb

    化合物的晶體結構和熱電性能
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