外質傳導率 的英文怎麼說

中文拼音 [wàizhízhuàndǎolǜ]
外質傳導率 英文
extrinsic conductivity
  • 外 : Ⅰ名詞1 （外面） outside; external side 2 （外國） foreign country 3 （以外） besides; beyond; in ...
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 傳 : 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）...
  • 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
  1. 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。
  2. The engineering bacterium which carried bcih i - chi and i - glu cdna was pcg - ii. two methods of agrobacterium - mediated and gene gun were used to transformate long ya lillium. the results of pcr analysis and southern dot blotting hybridization demonstrated that the chi a nd glu cdna have been intergrated into host genome. at the same time ; compared agrabactenum - mediated method with gene gun method, the transformation frequency of the former was 16. 7 %, while the latter was 50 %, so gene gun transformation method was suitable for long ya liiliwn

    用攜帶有幾丁質酶基因和- 1 、 3葡聚糖酶基因的工程菌，通過農桿菌介導法和基因槍轉化法轉化龍牙百合，經pcr和點雜交檢測證明外源基因已經整合到植物染色體中。同時對農桿菌介導法和基因槍法進行比較，發現農桿菌介導法的轉化率為16 . 7 ，基因槍法的轉化率為50 ，因此可能基因槍轉化法更適于龍牙百合的遺傳轉化。
  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. 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。
  5. For the pemfc cathode, besides above the parameters, the effects of the thickness of the reaction layer, the ion conductivity of nafion electrolyte and the electronic conductivity in carbon phase of the reaction layer on the electrode performance have also been investigated

    在對pemfc陰極的研究中，除了以上參數以外還考慮了反應層厚度， nafion ~ （ ? ）電解質的離子傳導率以及反應層中碳相傳導率對電極性能的影響。
  6. 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。
  7. 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
  8. It is a new branch to band piezoelectric chemistry and biological sensing technology. piezoelectric sensors are highly sensitive to multiple signals such as the surface mass and the density, viscosity, conductivity, dielectric effect of the liquid. the piezoelectric sensors are especially suitable for analysis of the proteins with high molecular weight

    壓電傳感器除了可響應質量效應外，還可響應溶液的粘度、密度、介電常數、電導率等多種信號，除了氣相之外，當前的壓電傳感器還提供液相壓電傳感理論和應用技術，尤其是用於生物大分子的測定。
  9. In addition of the analysis above, the construction of e - commerce logistics is studied and explored, including the relevant information technology and business policies to realize the new logistic functions. for the advanced logistics efficiency of inter - companies and inter - department for the management information system must be established, which is the platform of exact and efficient communication

    要提高企業間及部門間處理物流業務的效率必須建立高效的信息管理系統這是實現縱橫信息交流與溝通準、快的基礎，導入共同配送計劃在企業內外形成信息共享平臺等先進的管理手段，通過提高信息內涵的質量、傳送速度來增強決策的科學性。
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