熱電學法 的英文怎麼說
中文拼音 [rèdiànxuéfǎ]
熱電學法
英文
thermoelectrometry-
The samples with smaller grain sides were obtained in our experiment, and the properties are corresponding with that of those samples prepared by melting method mentioned previously. several approaches can be proposed for further increasing the thermoelectric properties. preparation of the material with different compositional deviations availably controlled from stoichiometry is one of the ways to change the carrier concentration, and hence to optimize the value of power factor
該方法獲取的塊體樣品的片狀顆粒的粒度遠小於熔煉法制備的樣品,樣品的性能也與熔煉法相當,如果能有效控制樣品的化學計量比,提高生成物的純度將會更大程度的提高材料的熱電性能。The temperature distribution on the high temperature side of an electric tunnel furnace is analysed and simulated on the basis of the principle of thermal radiation by the way of thb ( thermal heat balance ). the heated silicon carbon sticks are decomposed into innumerable tiny heating faces, which exchange the heat with the heated materials. a numerical model based on the radiation intensity law is constructed to calculate the energy absorbed by the heated materials and simulated by a computer. the results showed that the even distribution of temperature can be obtained by optimizing the arrangement of the silicon carbon sticks according to the calculation results to make the structure design more reasonable. these calculation results have been used in the practical designs and the expected objectives achieved
利用熱輻射原理,採用熱平衡法對電熱隧道窯的高溫恆溫區溫場進行了分析和模擬.計算中將發熱棒分解為無數微元發熱面與燒結體進行熱交換,依據輻射強度定律,建立了燒結體接收能量的數學模型,並用計算機進行了模擬計算.結果表明,依據模擬結果來優化硅碳棒的排布,可使結構設計更加合理,進而可以獲得分佈均勻的恆溫區溫場.計算結果已在窯爐設計中應用,實踐效果良好According to the result of analysis and the fabricating technique of our lab, we designed the parameters of oversized rib waveguide and devices on the polymer / silicon material and simulated the behaviour of the devices by using the bpm method simulation soft named " beamprop "
同時我們利用熱傳導學中的傳導方程和有限差分法對熱電極作用下不同材料結構中的熱場分佈情況作出了分析。利用實驗室現有的beamprop軟體對器件工作情況進行了詳細的模擬,優化了各項設計參數。The heating response curves of temperature rise and thermal resistance of semiconductor power emitting - lighting diodes are obtained according to electrical methods
摘要通過電學測量方法得到了半導體功率發光二極體溫升與熱阻的加熱響應曲線。Copper - nanosized tibi composites were prepared by in - situ process. the microstructure, mechanical and electrical properties, and dry sliding wear behavior and electric sliding wear of cu - nanosized tib _ 2 in - situ composites was investigated ; mostly task as follows : the thermodynamic data for the reactions between b and ti in the molten liquid of copper were analyzed, the copper matrix composites reinforced by in - situ tibi nanoparticles were prepared by reactions of 8263, carbon and titanium in copper - titanium melt, and copper - titanium, copper - boron in alloy melt, respectively, which controlled the reaction temperature, reaction time and solidification process. the rnicrostructure and mechanical and electrical properties of the in - situ composites were investigated by using optics microscope, tem and xrd
本文採用原位反應法制備了cu -納米tib _ 2原位復合材料,在此基礎上分析了原位復合材料的微結構,進行了干滑動摩擦磨損和電接觸滑動磨損實驗,完成的主要工作如下:從熱力學的角度出發,分析了陶瓷tib _ 2顆粒在銅基體中原位生成的熱力學條件,並用電解銅、工業純鈦、 b _ 2o _ 3 、 c (還原劑)以及cu - ti 、 cu - b等合金為原料,通過控制適當的反應溫度、反應時間和快速凝固等工藝手段,制備了cu -納米tib2原位復合材料。Antimony doped tin oxide ( ato ) and indium tin oxide ( ito ) thin films have been prepared by a sol - gel process using inorganic metal salts as precursors. the effects of heat - treatment atmosphere, temperature, time and dopant content on the electrical and optical properties of thin films were investigated. the fine patternings of the ato films were fabricated by chemical modification and sol - gel method
本文以無機鹽為出發原料,採用溶膠?凝膠法制備了光學和電學性能較為優良的摻銻二氧化錫( ato )薄膜和摻錫氧化銦( ito )薄膜,進一步研究了熱處理氣氛、溫度、時間、摻雜量對薄膜電學及光學性能的影響。Studying the heat - mass transfer and multi - spices electric - chemical reaction, a dynamic temperature model was deduced for molten - carbonate fuel cell stack. the thermal radiation, shift reaction, and the change of gas spices were considered in this model. establishing momentum equation, the paper has developed a 3d temperature and flow fields model for mcfc stack based on cfd technique
建立了熔融碳酸鹽燃料電池堆內部單體的暫態溫度模型,並考慮了電堆的輻射換熱、轉換反應、反應氣體組分變化對溫度場的影響;根據mcfc的微分控制方程組,考慮氣體組分的熱力學性質及動量變化的影響,利用數值分析方法求解熔融碳酸鹽燃料電池堆的三維流場與溫度場,分析了各作用因素對熔融碳酸鹽燃料電池堆溫度分佈的影響機制。A general solution of the thermodynamic energy of systems of gas, magnetic dielectric, dielectric, and of battery was found by working from thermodynamics first law ' s different forms in different matter systems, by using equation of state and thermal capacity in different thermodynamics system and by solving thermodynamic energy differential equation, thus provide a method of studying other qualities in thermodynamics system
摘要通過熱力學第一定律在不同物質系統中的不同形式,利用不同熱力學系統相應的物態方程及熱容量,以及通過求解熱力學能微分方程,一般性地求解了氣體系統、磁介質系統、電介質系統、電池系統的熱力學能,為研究其他熱力學系統的特性提供了一種方法。The solid reaction synthetic process, sintering properties and phase composition of the lsgm samples are investigated by tg - dta, sem, xrd and the archimedes method. the results reveal that the sintering technology generated significant influence on the sintering properties of the lsgm samples. the optimum synthesis parameters to prepare lsgm electrolyte with a pure perovskite - type structure were ascertained ; the sintering temperature and chemical constitution contributed greatly to the phase composition, the solid solubility limit of lsgm electrolyte increased with increasing of the sintering temperature, and we made lsgm electrolyte of single - perovskite structure above 1400 #
本文採用改進埋燒法制備出la _ ( 0 . 8 ) sr _ ( 0 . 2 ) ga _ ( 1 - y ) mg _ yo _ 3 ( lsgm )電解質,對制備方法與工藝參數、材料結構、電學性能以及熱學性能進行了研究,分析了組成、結構與導電性能的關系,探討了離子傳輸機制,其目的在於為該類離子導體的進一步研究和應用提供實驗和理論依據。Practice heating test of spread sample has been underway and contrasted with traditional electric furnace. production technology, structure and property of the coating have been studied in order to search for a. new technology method with not only enhancing thermal conductivity of coating but also dropping its electrical conductivity and reducing its production cost
對試樣進行了關鍵熱學性能、電學性能的測試,並進行掃描電鏡分析,對塗覆樣品進行實際加熱測試,並和傳統意義上的電爐進行對比,通過對耐火塗層生產工藝、組織及性能的關系的研究,以探求一種既能提高塗層的導熱性能又能降低導電性能和生產成本的工藝方法。In this paper, the thermoelectric properties of ca3co2o6, and ca3co409 with layered structure are investigated by the quantum chemistry calculation. their conductivity and good thermoelectric properties are explained
本文運用量子化學計算方法對ca _ 3co _ 2o _ 6和ca _ 3co _ 4o _ 9層狀氧化物體系的熱電性質進行了研究,解釋了其傳導特性及其具有良好熱電性能的原因。The tubular sensors were made with brass tubes used in thermal power plant and their electrochemical impedance spectroscopy ( eis ) were tested and compared in two kinds of cell ( classical tri - electrode cell and the same material tri - electrode cell )
採用熱電廠實際使用的黃銅管製作管狀傳感器,利用交流阻抗法在同種材料三電極體系電解池中測量傳感器的電化學阻抗譜,並與經典三電極體系電解池下的數值作比較。The mathematical and physical dynamic models are given based on the adsorbent theory of porous medium. its running and parameters affecting its performance are numerically studied and the method that control the water content in the absorbent bed is recommended. the improvement on system configuration to recover heat is discussed and the operation scheme is given
利用多孔介質吸附模型和平衡吸附壓力的概念建立了該系統工作過程的物理數學模型,數值模擬的方法模擬了其工作過程和影響因素,提出了控制吸附床含濕量的方案,驗證了改進流程回收能量的可行性並給出了操作方案,提出並分析了用熱電製冷器回收水蒸氣潛熱節約電能的方法。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。The model is solved with the finite difference method, the simulation software is organized to simulate the transient thermal response of the front region of projectile wing such as those launched by electrothermal chemical guns
採用有限差分法進行數值求解,並編制了較為通用的模擬軟體,用於模擬諸如由電熱化學炮發射的高超聲速穿甲彈彈翼前緣的瞬時熱效應。Catalysts were prepared by impregnation reduction, thermal reduction, advanced thermal reduction and sol - gel methods from these metals. electrochemistry measurements, xrd, tem were used to test these catalysts. the results showed that these metals have some electrocatalysis activities towards hydrogen oxidation reaction
本文選擇了w 、 mo 、 co等金屬,採用浸漬還原法、熱還原法、改進的熱還原法以及溶膠凝膠法分別制備了這幾種金屬的碳載催化劑,對制備出的非貴金屬催化劑進行了電化學測試、 x -射線衍射( x - raydiffraction , xrd ) 、透射電子顯微鏡( transmissionelectronmicroscopy , tem )等測試,研究結果表明:這些非貴金屬在硫酸體系中對氫氣的氧化反應均有一定的催化活性。However, the limitation of large - scale production and the high cost have restrained the development of the research on their application. comparing to arc discharge and laser ablation, chemical vapor deposition ( cvd ) is the most possible method with large - scale, low - cost and high - yield advantage to fabricate swnts
相對電弧法與激光蒸發法,化學氣相沉積法( cvd )是最有望實現大批量、低成本、高產率制備swnts的方法,因此已成為其制備方法研究領域的熱點。The relative intensity method is adjusted to deal with this case. the measurement of the temperature distribution based on this improved method is successful, and the measurement results are compared with the results of the thermocouple method
並將sq - 2推進劑的結果和熱電偶以及化學平衡計算的結果進行了比較,結果表明譜線法測量不但有很好的精度,而且能在一些熱電偶無法測量的情況下得到好的結果。It shows that the spray pyrolysis can effectively improve the optical and electrical properties of snoi : sb film with antimony doping. the analysis of the film formation mechanism will play an important role for the direction of preparation other low - e films
價江大會碩士學性措式本工作表明用噴霧熱分解法可以有效的實現在snoz中摻雜sb ,並制備出光電性能優良的低輻射薄膜。This paper lists the course and technology progress of various processes to get hydrogen and sulfur by h2s decomposition, such as thermal decomposition, catalytic thermal decomposition, electrochemical method, microwave method and photochemical catalysis method, etc
本文闡述了高溫熱分解法、催化熱分解法、電化學法和光催化法以及微波法等分解硫化氫制氫氣和硫的工藝過程和技術進展情況。分享友人