熱導率計 的英文怎麼說

中文拼音 [rèdǎolǜjì]
熱導率計 英文
thermal conductivity meter
  • 導 : 動詞1. （引導） lead; guide 2. （傳導） transmit; conduct 3. （開導） instruct; teach; give guidance to
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  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溫升、熱傳導方程，考慮溫度對早期混凝土水化熱化學反應速率和徐變特性的影響，計算了大體積混凝土墻中心的溫升。
  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，這篇論文介紹溫度場和熱應力場的有限元方法，建立了三維熱傳導模型計算有溫度場產生的熱應力，計算熱應力時運用了一種轉化思維：將溫度處理為「溫度載荷」 ，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度矩陣，改變了結構的剛度，影響了結構的固有頻率。
  3. This paper introduce an exertion way of mensurate unsteady state, much improvement have be mading in the mensuration of the thermal conductivity for conductor of undesirability with the counter system

    摘要介紹了一種非穩態測量方法的運用，結合計算機系統，使不良導體熱導率的測定得到較大的改進。
  4. Standard test method for determination of the thermal conductivity of anode carbons by the guarded heat flow meter technique

    用防護熱流量計技術測定陽極碳熱傳導率的標準試驗方法
  5. Through the research of crosslinking of matrix resin, heating treatment of composite and mixing of different polymer, we draw some conclusions : 1 、 percolation theory can explain the phenomenon of the jump of resistance when the content of cb reach a critical volume ; 2 、 based on ohm conduct theory, abounded to the percolation the wbibull statistical theory and other theory, an adapted theory was obtained to explain the jump of resistance and the other phenomenon ; 3 、 the ntc phenomenon was eliminated by crosslinking the matrix of conductive composite, at the same time the stability of composite was improved

    通過對基體樹脂的交聯、復合材料的熱處理、聚合物共混物的研究得出了如下的結論： 1 、滲濾理論能夠很好的解釋導電粒子含量達到某一值時電導率劇增的問題； 2 、在歐姆導電模型的基礎上，綜合應用了weibull統計理論模型，結合原來的體積膨脹等理論，成功的解釋了ptc復合材料在基體材料熔點附近的跳變問題、 ntc現象以及熱循環穩定性等問題； 3 、有機ptc導電復合材料經硅烷交聯以後能夠消除ntc現象，改善了導電復合材料的穩定性能。
  6. The average thermal intensity inside the particle is obtained based on the solution of the temperature field inside the particle. the effective thermal conductivities for composites with different particulate geometry are calculated by using the prediction formula

    在求解顆粒復合材料不同形狀夾雜內溫度場的基礎上，進而求解其夾雜相的平均溫度梯度，利用有效熱導率的預測公式，對含不同形狀夾雜的復合材料進行數值計算從而得到其有效熱導率。
  7. As a new type of energy - saving equipment, the tubular heat exchanger with longitudinal flow of the shellside fluid ( thelfsf ) has many remarkable advantages. it betters anti - vibration and anti - smudge performance, enhances heat transfer efficiency, and decreases the shellside pressure loss. it also prolongs service lifetime, reduces the weight and saves material

    新型縱流殼程換熱設備作為一種新一代節能降耗設備，具有優良的防流體誘導振動性能、傳熱性能好、傳熱效率高、流體流動阻力小、抗結垢能力強、重量輕等優點，是鄭州大學「熱能工程研究中心」專利產品，為了加快該設備的推廣， 「中心」研發了hecad軟體系統，實現了新型換熱設備工藝設計、機械設計、零部件，圖及總裝圖繪制一體的cad軟體化。
  8. 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。
  9. 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率計算和生物質能量利用率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率（ 10 min 、 20 min 、 40 min 、 60 min ）和恆溫加熱的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率因子和活化能參數，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溫度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度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度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 ）採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究，解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間（ t ） ，得出了理論推導的充分熱解時間與最大產油率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，推導、建立了轉錐式閃速熱解反應器物料滯留時間（ ）與轉速（或頻率）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、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。
  10. The calculation method of technical parameters of maximum output power, the short time power and continued power ( equivalent heating ) in electric braking are derived from analyzing the relationship of maximum regenerative power with resistance value of ground absorption equipment, model of traction power supply, train circuit and network voltage drop while performing electric braking

    通過分析列車電制動時的最大再生功率與電阻吸收裝置的電阻值、電制動時刻牽引供電系統的模型、列車電流、網壓降之間的關系，導出了列車電制動時最大輸出功率、地面電阻吸收裝置的短時功率和持續（等效發熱）功率等技術參數的計算方法。
  11. The thermal conductivity of aluminum plate has a good thermal conductivity, so that the heating system is fast and heat distribution is uni tally friendly. heating rate is 4. 5 times higher than the traditional, so as to achieve rapid heating effect

    科學設計的導熱鋁板，安全牢固的嵌入萬能模板中，結實、平整且能夠承載，發揮其高效的傳導性能、環保性能，比傳統的混凝土施工方式節省40 %以上的燃料費，供熱效率在200 %以上。
  12. The paper indicates that the study on mechanism of boiling heat transfer in microchannels does not first - orderly instruct engineering design and appliance, and they are constraints between geometric dimension, passage diameter, number and length efficiency of evaporators, pump power and so on

    指出對于微通道沸騰換熱的傳熱機理等的研究對工程設計和應用來講還沒有形成合適的技術指導依據，蒸發器尺寸、通道直徑、數目、通道長度、換熱效率以及泵功率之間是相互制約的。
  13. The formulas for calculating transmit drying rate and emitting drying rate were also established based on the theory of heat transmit and heat emitting

    利用熱傳導和熱輻射理論，分析建立了盤式乾燥機的傳導乾燥速率和輻射乾燥速率計算關系式。
  14. By the numerical results basic physical processes of electrode erosion are investigated, the relations between eroded volume of electrodes and some characteristic parameters of electrode materials such as heat conductance, specific heat, melting point, boiling point and so on were obtained, and erosion - resistant capabilities of copper, tungsten and aluminum were compared

    通過計算研究了電極燒蝕過程的基本物理圖象，得到了電極材料燒蝕量與材料熱導率、比熱、熔點、沸點等特性參數的關系，並比較了銅、鎢、鋁三種電極材料的耐燒蝕能力。
  15. In this paper, firstly, monolithic materials cosb3 and bi2te3 were prepared by sparkle plasma sintering ( sps ) respectively, and at the same time the microstructure of cosb3 and bi2te3 were studied by sem ; the seebeck coefficients and electrical conductivities of monolithic materials were measured by standard - four - probe method ( ulvac zem - 700 ) in a he atmosphere simultaneously, and their thermal conductivities were investigated by laser flash method ( tc - 7000 ) in vacuum. secondly, the junction temperature of graded bi2te3 / cosb3 thermoelectric materials was optimized based on the thermoelectric transport properties of monolithic materials, also when graded materials were used in the temperature difference ranging from 300k to 800k, the length ratio of monolithic materials cosb3 and bi2te3 were optimized in theory. thirdly, graded bi2te3 / cosb3 thermoelectric materials were prepared by two - step sps sintering, and the relationship between its average seebeck coefficients and temperature were calculated by theory mo del

    均質材料cosb _ 3和bi _ 2te _ 3的電導率和seebeck系數採用標準四端子法于he氣氛下在zem - 1上同時進行測量；熱導率採用激光微擾法（ tc - 7000 ）于真空狀態下進行測量；其次，在對均質材料cosb _ 3和bi _ 2te _ 3熱電傳輸特性研究的基礎上，對結構梯度bi _ 2te _ 3 cosb _ 3熱電材料的界面溫度進行了優化；為了使結構梯度bi _ 2te _ 3 cosb _ 3熱電材料在300k至800k的溫度范圍內具有最佳的熱電性能，本研究同時對梯度結構熱電材料當中均質材料cosb _ 3和bi _ 2te _ 3材料的長度進行了優化設計；第三，通過兩步放電等離子燒結的方法制備出了結構梯度bi _ 2te _ 3 cosb _ 3熱電材料；採用理論計算的方法研究了梯度結構熱電材料平均seebeck系數和溫度的關系；同時為了驗證設計的結果，本論文對結構梯度bi _ 2te _ 3 cosb _ 3熱電材料的開路輸出電壓和熱端溫度之間的關系及梯度材料在300k至800k的溫度范圍內使用時的功率輸出進行了相應的研究。
  16. In application when we get the fitting result, we can calculate the principal conductivity value and axial orientation with those expressions

    實際應用中只要將實驗擬合的結果代入文中的公式，即可計算出主熱導率的值和埋軸方位。
  17. According to these results, the electronic conductivity, seebeck coefficient, thermal conductivity and figure of merit of materials are computed. the results are consistent with experimental measurements

    根據所求出的有效質量、載流子濃度估算了上述三個模型的電導率、熱導率、 seebeck系數和材料的熱電品質因子，計算結果與實驗測量值的變化趨勢一致。
  18. In the wrscs, the self - consistent model is used to describe the complex configurations of the particulate composite and the temperature field is solved by weighted residual collocation method with some proper simplifications. this method provides a more efficient way of setting up the algebraic equations corresponding to the governing differential equations. the prediction formula for the effective thermal conductivity of the composite is obtained

    權殘自洽方法可以用於描述不同形狀夾雜的復合材料的微觀結構，通過對不同幾何形狀角點做適當的圓弧化處理，採用加權殘值數值計算方法的配點法將求解微分控制方程變為求解線性方程組，進而得到任意形狀夾雜內部的溫度場，建立含不規則形狀夾雜的復合材料有效熱導率的預測公式。
  19. Design and simulation of on - line test structure for thermal conductivity of polysilicon thin films

    在線檢測多晶硅薄膜熱導率測試結構的設計與模擬
  20. Examining results corresponding to different particulate geometry, it shows that the effective thermal conductivity not only depends upon the volume fractions and the properties of components, but also depends on the particulate geometry

    對含有其它形狀夾雜的復合材料的計算結果表明，復合材料的有效熱導率不僅僅依賴于夾雜相的體積含量及組分性質，還與顆粒的幾何形狀有關。
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