conductivity coefficient 中文意思是什麼

conductivity coefficient 解釋
傳導系數
  • conductivity : n. 【物理學】傳導性[力]，傳導率；導電率[性，系數]。
  • coefficient : adj. 共同作用的。n. 1. 共同作用；協同因素。2. 【數，物】系數，率；程度。
  1. Hard alloy die is made y taking high - quality hard alloy as its nips and fastening with steel die case. it is characterized by high hardness, good thermal conductivity, brasive coefficient and strong resistant to corrosion. it is suitable for drawn metal wire, bar and pipes. the types of dies includes rectangle, hecagon, octagon, diamond, trapezoid, basin and knob, u - shaped and half round types

    硬質合金模具採用優質合金作模芯，並用鋼質模套緊固，具有硬度高，導熱性能好，磨擦系數小，抗腐蝕性等特點，適用於拉制金屬線材，棒材，管材等，另外，模具的類型有矩型、六角型、八角型、菱型、梯型、凹型凸型、馬蹄型、半圓型等各種異形模。
  2. Refractory fiber and product is manufactured by means of dry method and wet method. as an excellent insulation material, it has comparatively low volume density, good softness and very low thermal conductivity coefficient. sticking method, ancjoring method and folding method can be selected respectively. this product can be used in various industrial kilns & furmaces for lowering heat consumption

    耐火纖維及製品是採用干法、濕法生產的具有較低體積密度、較好柔軟性、極低的導熱系數的優質絕熱保溫材料，施工時可分別採用粘貼法、錨固法、折疊塊形式施工，適用於各種工業窯爐降低熱耗之用。
  3. This study was conducted to examine the interrelationship of 10 seed vigor traits in 12 wheat genotypes through variance, co - variance and path coefficient analysis, to determine broad - sense heritability, and to estimate genetic advance under selection. the genotypes showed significant difference for all traits, except for percentage of normal seedling. genetic correlation between conversion efficiency of seed reserve, electrical conductivity with other traits were not significant, showed that selection for any of them might be possible without hampering any other traits. however path coefficient analysis indicated that conversion efficiency of seed reserve, seed reserve utilization ratio have strong direct effect in affecting seedling weight, and that mean germination time has significantly negatively correlated in affecting gi. moderate to high estimates of broad - sense heritability, genetic coefficient of variation and expected genetic advance were obtained for electrical conductivity, germination index, mean germination time, seed dry weigh, seedling dry weigh, seed reserve depletion ratio indicating the possibility for improving these traits

    本研究利用12個普通小麥品種對10個種子活力性狀的遺傳變異和相關研究，表明除正常幼苗百分率外，其餘種子活力性狀在品種間均存在顯著的差異.種子貯藏物質轉換效率、電導率兩個性狀間及與其它性狀均無顯著的遺傳相關，因此對他們的選擇不會影響到其它性狀.通徑分析表明幼苗干重主要取決于種子貯藏物質轉換效率、種子貯藏物質利用速率;發芽指數主要由平均發芽時間決定.電導率、發芽勢、幼苗干重、種子干重、發芽指數、種子貯藏物質消耗比率6個性狀表現中到高的遺傳力、遺傳變異系數和相對遺傳進展，指明通過遺傳育種手段改良這些性狀是可能的
  4. As a super refractory, nature flaky graphite has many advantages such as high thermal conductivity, high thermal shock resistance, excellent high - temperature strength, excellent machinability, high sublimation temperature and low thermal expansion coefficient. unfortunately, the poor water wettability, low density and flaky structure of graphite surface limit its application with large quantity

    天然鱗片石墨以其熱膨脹小，導熱性、抗熱震性和化學穩定性好等諸多優點而成為適應鋼鐵冶煉苛刻環境耐火材料的原料，但石墨在水中的潤濕性、分散性差以及在空氣中易氧化等缺點限制了它的進一步應用。
  5. 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。
  6. After testing thermal conductivity ( k ), electrical conductivity ( ) and see - beck coefficient ( a ), the results demonstrate that for cosb3 nano - materials, with decreasing in grains size lattice thermal conductivity falls, electrical conductivity decreases and seebeck coefficient increases. thermoelectric performance figure ( zt ) cosbs nano - compound with grains size of 200nm has reached 0. 43

    通過對一系列不同晶粒尺寸cosb _ 3化合物的熱導率、電導率和seebeck系數的測定，討論了晶粒尺寸大小對結構納米化對熱導率、電導率和seebeck系數的影響，結果表明：隨著cosb _ 3化合物晶粒尺寸的減小，晶格熱導率_ l顯著降低，從而導致cosb _ 3化合物的熱導率的降低；電導率也有一定的降低；以及seebeck系數顯著增加。
  7. Due to good chemical stability and electrical resistivity, high thermal conductivity and mechanical intensity, wide band gap and low thermal expansion coefficient, aln thin films can be applied for insulating chips for semiconductor devices with high power, thermal dissipation lagers for large and super - large scale integrated circuits, insulating layers or passivation layers for semiconductor

    超薄鋁膜由於其特殊的的光學性質，在光學多層膜上有廣泛應用。氮化鋁薄膜化學穩定性高、熱傳導率高、機械強度高、電絕緣性能佳、高能隙、熱膨脹系數低，光學特性優良，可以用作大功率的紫外光學器件的散熱材料。
  8. Based on a cone - shaped compound heatshield, a series of research work has been done from the investigation of theoretical analyses of ablative and insulating principles and technical experiments. 1 based on the exploration of improving material performances, a feasible scheme of adding insulating functional layer is proposed ; 2 a simplified calculation method is proposed via establishing fea ( fmite element analysis ) and instantaneous heat transmission is calculated with the mentioned method ; 3 a practical engineering scheme is proposed through a series of experiments ; 4 the interface problems of the function layer are solved through co - curing method and successful samples are manufactured ; 5 in order to estimate properties, the heatshield was anatomized engineering applied possibility is explored on the analyses of performance evaluation by testing mechanical properties, coefficient of heat conductivity and doing dynamic ablative experiments, also, the comparison with that of the required materials is done

    本文以一錐形復合防熱套為研究對象，從燒蝕、隔熱機理的理論分析和工藝試驗兩方面，進行了一下研究工作： 1 、通過對提高材料及製品通過對提高材料及製品隔熱性能的多種途徑進行探討，提出了採用添加隔熱功能層，研究復合型大面積防熱套是理論有效、工藝可行的方案； 2 、通過建立有限元分析模型，對防熱套的燒蝕隔熱行為進行了理論分析，提出了簡化的隔熱計算方法，並用該方法對復合型防熱套的瞬態傳熱模型進行了分析計算； 3 、通過復合型防熱套的工藝探索試驗，提出了一種工程應用上切實可行的工藝方案。
  9. In both of the two doped models, the calculation results show that their conductivity is higher than that of the non - doped model, while the seebeck coefficient and thermal conductivity are lower than the non - doped on e

    兩種摻雜模型的電導率都高於未摻雜的ca _ 3co _ 2o _ 6 ，而seebeck系數和熱導率都降低。
  10. The paper introduces the fundamentals of the temperature distribution in the borehole drilled in the frozen formation, and discusses the ascertainment of these parameters, including the mass quantity of circulation medium, the coefficient of thermal conductivity of drilling rods, the coefficient of the intensity of heat exchange and the coefficient of unstable heat exchange between the rock and the circulation medium, and the rising of the temperature of the circulation medium in the bottom of the bore

    摘要介紹了凍土鉆孔內溫度分佈研究的理論基礎，其中主要討論了沖洗介質的質量流量、鉆桿桿壁的導熱系數、巖石同沖洗介質的熱交換強度系數與不穩定熱交換系數，以及孔底沖洗介質溫度升高值的確定。
  11. Ftir, thermal conductivity device and smart digital rounding temperature testing device are used to test the infrared absorption spectrum, thermal conductivity and temperature changes of the title coatings, it is concluded that when hudrotalcite and magnesium sulfate is mixed by 4 to 10, the heat insulation property is the best, and the temperature changes of nizi increased by 5 approximately compared with those without hydrotalcite and magnesium sulfate compound system, but the heat conduction coefficient is hardly increased because of the different mechanism of heat insulation of the fillers, which further prove that heat insulation with fillers is based on infrared barrier

    本文使用傅里葉變換紅外光譜儀、導熱系數儀和智能數字式巡迴檢測溫度測試儀分別測試了添加具有紅外阻隔能力填料的內墻塗料的紅外吸收光譜、導熱系數和溫度變化情況，通過測試結果得出結論：水滑石和硫酸鎂在質量比為4 : 10的時候，紅外阻隔性能最優，其溫差變化較沒有添加水滑石硫酸鎂復合體系時提高5左右，而對內墻塗料的導熱系數幾乎沒有影響，這是由於填料對塗料的保溫機理不同所致，同時也進一步驗證了填料是通過紅外阻隔來達到保溫效果的。
  12. The calculation program using the matlab has been worked out to get the numerical solutions of the proposed models. the experiment has first been conducted in the laboratory to get the fundamentals thermal and moisture properties ( such as materials density, specific heat capacity and thermal conductivity ) and also the material moisture absorption isotherms of adobe building materials. the methods of measuring the surface mass transfer coefficient and material moisture content have been proposed

    首次對生土建築材料物性參數進行了實驗測試，得到了常用生土建築材料的密度、比熱和導熱系數等參數值，得到了生土建築圍護結構的等溫吸濕平衡曲線的擬合函數關系式；此外，研究了生土建築圍護結構表面質交換系數實驗測定方法，探索了利用電阻率測量生土建築圍護的安窪築科技人學博十學位論文結構內部含濕量的測試方法。
  13. We have investigated transport properties of electrons in magnetic quantum structures under an applied constant electric field. the transmission coefficient and current density have been calculated for electron tunneling through structures consisting of identical magnetic barriers and magnetic wells and structures consisting of unidentical magnetic barriers and magnetic wells. it is shown that the transmission coefficient of electrons in a wider nonresonance energy region is enhanced under an applied electric field. the resonance is suppressed for electron tunneling through double - barrier magnetic ( dbm ) structures arranged with identical magnetic barriers and magnetic wells. incomplete resonance at zero bias is changed to complete resonance at proper bias for electron tunneling through dbm structures arranged with different magnetic barriers and magnetic wells. the results also indicate that there exist negative conductivity and noticeable size effect in dbm structures

    對磁量子結構中電子在外加恆定電場下的輸運性質進行了研究.分別計算了電子隧穿相同磁壘磁阱和不同磁壘磁阱構成的兩種磁量子結構的傳輸概率和電流密度.計算結果表明，在相當寬廣的非共振電子入射能區，外加電場下電子的傳輸概率比無電場時增加.對于電子隧穿相同磁壘磁阱構成的雙磁壘結構，共振減弱；對于電子隧穿不同磁壘磁阱構成的雙磁壘結構，無電場作用時的非完全共振在適當的偏置電壓下轉化為完全共振，這時的電子可實現理想的共振隧穿.研究同時表明，磁量子結構中存在著顯著的量子尺寸效應和負微分電導
  14. It ' s one of important component of rectifier of electrical locomotive, requires high heat conductivity coefficient, strength and electric breakdown voltage

    氮化鋁陶瓷絕緣散熱片是新型「交?直?交」電力機車整流器的重要部件之一。
  15. Study shows that great rainfall influences soil slope safety factor markedly, magnitude of rainfall intensity has a great influence on slope safety factor for steep slope under certain coefficient of saturated conductivity, the surface plant roots affect unsaturated zone seepage field distribution and postpone unsaturated zone moisture content ' s increase, so the soil slope safety factor is enhanced finally

    分析結果表明，在土體飽和滲透系數一定的條件下，強降雨對土坡穩定系數影響顯著；土坡越陡，降雨強度大小對土坡安全性影響就俞顯突出；土坡表層植物根系的存在影響非飽和區滲流場分佈，可以延緩非飽和區含水量的增大，土坡穩定系數得到提高。
  16. The soil - water characteristic curve, the coefficient of saturated hydraulic conductivity and the initial state of medium ; in the paper, the influence of rain infiltration on the slope stability is discussed, which is very helpful for forecasting slope stability in raining seasons and designing slopes in deep unsaturated zone

    ）介質的本身性質，如土水特性曲線、飽和滲透系數、及介質的初始狀態；通過本文的研究，初步分析探討了降雨入滲對邊坡穩定性的影響，為在雨季邊坡失穩的預報和具有深厚非飽和區的邊坡的設計提供了科學的依據，具有一定的工程意義。
  17. The definition of stability and repeatability of the laser frequency and factors affecting the stability of laser frequency were analysed. the normal methods used to stabilise frequency and produce double - frequency were explained. after analysing the working conditions and related parameters of the laser device, it was concluded that the laser tube should be put inside an insulating cover and an electric discharge tube with a bigger diameter and length, smaller wall thickness and a higher thermal conductivity coefficient should be chosen

    分析了激光頻率的穩定性、復現性的定義及影響激光頻率穩定的因素；介紹了常見的穩頻及產生雙頻的方法；分析論證了激光器雙縱模熱穩頻的使用條件和有關參數的關系，得到結論是：應將激光管裝在保溫罩內；選用放電管直徑及長度大、壁厚小、材料導熱系數大的放電管。
  18. Mass conductivity coefficient

    傳質系數
  19. The effects of the conductivity coefficient of adsorbent, heat transfer coefficient of water fluid and diameter of tube on the performances of the system have been analyzed

    在此基礎上分析了吸附床的導熱系數、真空管管徑、冷卻水管側的對流換熱系數對系統cop的影響。
  20. Three temperature equations include disconnected thermal conductivity coefficient and energy exchange terms between electron and ion, electron and photon, which are affected by the density an d temperature of the plasma, and by the atom parameter. implicit scheme have to be used to solve them. we use entirety linear iteration method to do this work

    三溫方程含有間斷的熱傳導系數，存在著電子與光子、電子與離子的能量交換，這些量與離子的密度、溫度和原子物理參數有關，對它們的求解必須採用隱式格式，我們採用整體線性化迭代格式迭代求解。
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