溫度傳導率 的英文怎麼說

中文拼音 [wēnzhuàndǎo]
溫度傳導率 英文
temperature conductivity
  • : Ⅰ形容詞(不冷不熱) warm; lukewarm; hot; gentle; mild Ⅱ名詞1 (溫度) temperature 2 (瘟) acute ...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 傳名詞1 (解釋經文的著作) commentaries on classics 2 (傳記) biography 3 (敘述歷史故事的作品)...
  • : 動詞1. (引導) lead; guide 2. (傳導) transmit; conduct 3. (開導) instruct; teach; give guidance to
  • : 率名詞(比值) rate; ratio; proportion
  • 溫度 : [物理學] temperature
  1. The temperature rise at the center of a massive concrete wall is calculated by using the adiabatic rise of temperature and heat conduction equations of concrete based on the equivalent time, and considering effects of temperature on the hydration heat reaction ratio and creep characteristics of early - age concrete

    摘要基於等效時間的混凝土絕熱升、熱方程,考慮對早期混凝土水化熱化學反應速和徐變特性的影響,計算了大體積混凝土墻中心的升。
  2. The temperature effect which has been calculated is taken as " thermal load " forced on the body, then such thermal stress is settled as general elasticity mechanics question ; secondly, the thermal stress is taken as " surface force " forced on the body, and the new system stiffness is formed which include the extra stiffness matrix, then it changes the nature frequency of the structure

    首先,這篇論文介紹場和熱應力場的有限元方法,建立了三維熱模型計算有場產生的熱應力,計算熱應力時運用了一種轉化思維:將處理為「載荷」 ,這樣就能用彈性力學問題的處理方法來求解熱應力。其次,將熱應力作為結構的「面內力」 ,而面內力產生附加的幾何剛矩陣,改變了結構的剛,影響了結構的固有頻
  3. The results show that effects of alkali metal salts on conductivity are different because of their different anion radium, crystal lattice energy, ionic mobility and solubility in electrolytes, that different ionic conduction modes of electrolytes result to double - peak of salt concentration dependence of conductivity and different temperature dependence, and that different influences of plasticizer to conductivity result from their different action

    結果表明,不同堿金屬鹽對電解質電的影響因其陽離子半徑、晶格能、離子淌以及在電解質中的溶解的不同而不同;電的鹽濃依賴性因電解質的離子方式不同而明顯呈現雙峰形;增塑劑對電的影響則因其作用方式不同而產生不同的效果;電依賴性也因電解質的離子方式不同而呈現不同的規律。
  4. Zro2 fibrous cloths are characterized by their high melting point ( 2600 ), high - temperature resistance ( 2200 ), oxidation - corrosion resistance, quick absorbing alkaline, high alkaline absorption, and low heat - conductivity and resistivity, etc. zroi fibrous cloths that can be used as the nickel - hydrogen battery separators were first developed by using precursor process at home

    氧化鋯纖維布具有熔點高( 2600 ) 、耐高( 2200 ) 、抗氧化、耐腐蝕、熱低、吸堿速快、吸堿高、面電阻小等特點。
  5. The questions the researcher concerned are which system will be chosen and how to obtain the good lithium ionic conductor materials, which is the basic departure of the paper. the addition of second phase in composite can change the interface structure and the conduction mechanism, improve the matrix conductivity and other function such as the sintering, crisping and so on, so the research of composites are an interesting field of the ionic conductors. the synthesis of lithium ionic conductor is often by solid state reaction, but this method needs high temperature and leads to the volatility of lithium which not only causes the drift of the compounds but gets the no well - distributed materials

    研究者所關注的問題是選擇新的體系進行研究,以期得到性能更好的鋰離子體材料,這也正是本論文的基本出發點;復合離子體中第二相的加入改善了基質的界面結構和電機制,不僅可以提高基質材料的電,還可以在一定程上改善材料的其它性能,如燒結性能、脆性和機械強等。因此復合材料的研究是離子體一個有廣闊前景的發展方向;合成鋰離子體,特別是成分復雜的體系以統的固相合成法為主,但這種方法需要較高的,容易引起鋰的揮發,從而造成產物組成的偏移,而且不易得到顯微結構均勻的材料。
  6. In this paper, high heat penetration into a moving particulate bed is described mathematically with a comprehensive heat and mass transfer model. the distribution of gas velocity and pressure, the temperature field of gas and solid in the moving particulate bed are examined for different conditions. the results show that thermal penetration into the moving packed - bed particles by fluid flow in porous media is high only in the position near the gas entrance. the thermal penetration thickness tends to increase with the fluid flow velocity and decrease with the particle moving velocity. in the region of thermal penetration, the porosity of solid bed has significant effect on gas field and pressure loss. it is feasible to reduce the gas pressure loss by a larger width / height packed bed in design and operation. the correspondence between thermal infection depth and particle bed height would be helpful to keep high oapacity of reactor and reduce the cost of operation

    針對移動顆粒床中物料層內的高氣體滲流熱現象,考慮滲流與熱的相互作用,採用局部非熱平衡假設建立了多孔介質滲流熱物理數學模型並進行了數值計算.研究了不同情況下床內填充多孔介質中的流速、氣固和床層壓力損失.計算結果表明,高熱氣對移動床顆粒料層的熱滲透主要發生在滲流入口端區域,增大入口滲流速以及減小床層物料下移速致物料沿床高慢速下降,熱滲透深擴大,熱滲透作用區域內的物料水平提高.在熱滲透作用區域,孔隙對流場和壓力損失有很大的影響.研究結果對于移動顆粒床反應器的設計與運行具有一定的參考作用
  7. The undisturbed ground temperature of the seasons " transitional days in chongqing and the chart of some kinds of material ' s heat conductivities are given in the appendix a and appendix b

    在附錄中,我們還給出了重慶地區季節過渡日的大地原始圖及各種材料的熱圖。
  8. The chip of microbridge structure thermocouple type microwave power sensor is designed by using seeback domino offect of thermocouple. ta2n of relatively low resistor - temperature coefficient and si of relatively high thermoelectric power seebeck coefficient are used as thermocouple materials in the chip

    微梁結構熱偶微波功感器晶元就是利用熱偶的塞貝克效應設計的,晶元選擇具有低電阻系數的ta2n和具有高熱電系數的半體單晶si作為熱偶材料。
  9. Then after analyzing the heat conduction in laser diode array, we simply simulate the transient thermal behavior of high power laser diode array and build a two dimensional static model of temperature distribution of it by fem ( finite element method )

    接著分析激光器陣列中熱的,簡單的模擬工作工程中瞬態的變化。然後通過有限元分析法,建立二維態分佈,得到穩態工作時,大功激光器陣列中晶元和載體的的空間分佈。
  10. In order to eliminate the influences caused by temperature, electrode - polarization and autoeciousness - capacitance, the traditional instrument has added complicated circuits so that it cause such shortcomings as big error, time - retardation and a relatively small scope. through the problems caused by 2 - probe electrode and ac current source, a new measuring circuit based on the excitation of bi - directional voltage pulse and the sensor of 4 - probe electrode is proposed, using single - chip to achieve auto - temperature compensation

    作者在參閱國內外大量相關參考文獻的基礎上,從電測試技術的原理性研究出發,分析了採用交流激勵源、兩電電極為感器的統電測試系統所面臨的種種問題,提出並研製了一種基於雙極性脈沖電壓激勵、以四電電極為探頭、運用單片機進行自動補償的新型電測量系統。
  11. The x - ray diffraction, scanning electronic microscope and the squid were used to characterize the properties of the mgb2 core in mgb2 / fe tapes and wires. the effect of the proportion of mg, b and sic as well as the sintering parameters on the phase formation, microstructure and the critical current densities of mgb2 / fe tapes and wires was discussed in details. the results showed that the high purity of mgb2 core could be synthesized by both the traditional vacuum sintering and the sparking plasma sintering and the vacuum sintering environment restrained the oxidation of mg effectively

    相對于統真空燒結, sps燒結方式成相速快、樣品晶粒細小均勻、 mgb2超芯緻密性好、晶間連接優良,因而sps燒結樣品的臨界電流密明顯高於統真空燒結樣品,其中未摻雜的帶材樣品經過sps800 , 15分鐘燒結后,自場下的臨界電流密jc值在10k時達到8 . 64 105a / cm2 ,而且隨著測量和外加磁場的增加, sps燒結樣品的臨界電流密下降統真空燒結樣品緩慢,在20k ,自場時為5 . 97 105a / cm2 , 20k , 3t時,臨界電流密值仍大於104a / cm2 。
  12. Thirdly, the conclusions of the two aspect applications are given as follows : the exploration of the application of the evaporation duct prediction to the flux relationship research and evaporation duct predicting shows that based on this predicting method and with microwave refractometer, as sensor, ( 1 ) the dimensionless gradient function of temperature, humidity and refractivity in the flux relationships can be determined with higher precision, ( 2 ) the limitations of conventional observations on the predicting accuracy for evaporation duct can be avoided and the precise prediction for evaporation duct can be obtained with the accurate measurement of refractivity profile within a few meters. the radar performance under given evaporation

    三、對兩個應用問題的討論表明:基於本文發展的蒸發波預測理論,使用微波折射儀為感器: ( 1 )開展通量關系研究時,可以用於邊界層、濕和折射無量綱梯函數的精確測定和得到蒸發波環境預測所需的偽折射參數化函數關系; ( 2 )預測蒸蒸發波環境特性和播特性及其應用研究發波環境時可以避免使用統氣海界面要素測量中存在的局限,並用折射音d面不太高的精確測量結果精確預測蒸發波環境。
  13. It presents a mathematical heat transfer model of air and soil temperature in greenhouse basing on the theory of transmission of heat. the model calculates the heat diffuse coefficient of soil by difference method and establishes regression equation on experimental data by sas

    基於熱學的熱方程,利用測試的地數據,選用差分法計算了土壤熱擴散,應用sas軟體擬合了非線性方程,建立了日光室土壤場的數學模型。
  14. The laser heats up the diamond and causes the temperature rises on the surface of diamond film. at the different temperature, the different physical and chemic change will happen. the rules of the laser ablating diamond were researched by experiment

    從激光加熱和熱的理論出發,研究了激光熱及其在金剛石表面引起的分佈情況,以及在不同的和激光功下,金剛石膜發生的不同的物理和化學變化。
  15. Theoretical analysis and experimental results showed that the high emissivity coating speeds up the heat - absorption and heat release process, strengthens heat transfer by radiation and heat conduction in the regenerator, improves heat transfer efficiency and the blast temperature

    理論分析和實驗結果表明,熱風爐蓄熱體表面高發射塗層可以提高蓄熱體的蓄熱和放熱能力,強化爐內輻射熱和蓄熱體的熱,從而提高熱風
  16. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能量轉化計算和生物質能量利用計算提供了依據和方便; ( 2 )選擇了8種生物質試樣作了等加熱速( 10 min 、 20 min 、 40 min 、 60 min )和恆加熱的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程,並採用goast - redfem積分法和p函數對其動力學參數進行了求解,解析出各種生物質的頻因子和活化能參數,進而建立了各種生物質的熱解動力學模型,為科學確定反應器的閃速熱解工作范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同尺的生物質顆粒中心達到全熱解的時間,在體視顯微鏡下對不同粒的生物質顆粒的長徑比進行了實驗觀察和測定,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜熱學理論對生物質熱過程及充分熱解時間理論進行了研究,解析推出了不同尺寸生物質顆粒中心達到充分熱解的時間( t ) ,得出了理論推的充分熱解時間與最大產油的熱解時間相一致的結果,為閃速熱解反應器固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用工程力學、工程材料、機械設計學原理,推、建立了轉錐式閃速熱解反應器物料滯留時間( )與轉速(或頻)合理匹配理論; ( 6 )提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強設計、生產能力設計理論和功計算方法及臨界轉速理論等。
  17. Conductance instrument is applied very popularly. but the traditional instrument has such shortcoming as many gears, manual compensation, big error. and it has complicated circuits and only can be used in a relative small scope

    然而,統的電儀分檔多,、極化效應和電容效應的影響引起的誤差需人工進行補償,或使用復雜的硬體電路,造成使用不便,電路復雜、校正范圍小。
  18. The heat sources are analyzed in theory and calculated under some hypothesis. a thermal conductive model is built and by solving the model equation, the numerical values of the 1 - active region laser, 2 - active region laser, 3 - active region laser and 4 - active region laser are obtained. the dynamical temperature distribution plots are obtained, too

    在一定的假定條件下對其內部的熱產生進行了定量計算,並分別針對一、二、三、四有源區激光器建立了熱模型,得出數值解,畫出激光器內部瞬態分布圖,推了激光器連續工作條件。
  19. Furthermore, the impacts of the geometric dimensions of the coils, the inlet temperature and the flow velocity of the secondary fluid on the charge / discharge modes were discussed. a comparison of the total freeze - up and the partial freeze - up has also been made

    研究了載冷劑進口、流速和盤管材料的熱對蓄冰盤管熱性能的影響,並對完全凍結方式和不完全凍結方式的結冰和融冰過程作了比較。
  20. It is shown that the high hardness and low thermal conductivity promote the formation of transformed asbs, and the deformed asbs will form if low hardness and high thermal conductivity are involved ; for steel with both high hardness and thermal conductivity, the transformed asbs will transform into deformed ones, due to that the fast heat conduction from high temperature asbs results in rapid temperature rise around and thus decreasing the hardness

    研究結果表明:鋼的高硬和低熱有利於形成相變帶;反之,則傾向于形成變帶;對于具有高硬和高熱的鋼,由於高相變帶區域的熱量迅速遞到周圍的基體組織而使其升高、硬降底,形成的相變帶會向形變帶轉化。
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