電子傳導率 的英文怎麼說
中文拼音 [diànzizhuàndǎolǜ]
電子傳導率
英文
electron conductivity- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 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
- 電子 : [物理學] [電學] electron
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After the stolon had suffered from severing disturbance, clonal ramets could keep photosynthetic organ from being damaged through the plastic responses of the chlorophyll fluorescence traits, such as increasing nonphotochemical quenching of chlorophyll fluorescence ( npq ), decreasing actual photochemical efficiency of ps ii in the light ( f / fm " ) and photochemical electron transport rate ( etr ). moreover, the clonal ramets could also increase water use efficiency by means of decreasing stomatal conductance
在匍匐莖受到切斷干擾后,臭柏能通過提高非光化學猝滅( npq ) 、降低ps實際光化學量子產量( f fm 』 )和表觀光合電子傳遞速率( etr )等葉綠素熒光特性的可塑性反應來保護小枝光合機構不被破壞,並且可以降低氣孔導度以提高水分利用效率。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導率的影響因其陽離子半徑、晶格能、離子淌度以及在電解質中的溶解度的不同而不同;電導率的鹽濃度依賴性因電解質的離子傳導方式不同而明顯呈現雙峰形;增塑劑對電導率的影響則因其作用方式不同而產生不同的效果;電導率的溫度依賴性也因電解質的離子傳導方式不同而呈現不同的規律。Strained - soi mosfet, which appears recently, takes both the advantages of soi ( silicon on insulator ) and sige ( silicon germanium ). it has shown advantages over bulk sample in enhanced carriers mobility, as well as higher transconductance, stronger drive capability and reduced parasitic capacitances. these properties make it a promising candidate for improving the performance of microelectronics devices
Strained - soimosfet是最近幾年才出現的新型器件,它將soi材料和sige材料結合在一起,與傳統體硅器件相比,表現出載流子遷移率高、電流驅動能力強、跨導大、寄生效應小等優勢,特別適用於高性能、高速度、低功耗超大規模集成電路。A trend of photo - induced electron transition from p - type pc to n - type organic semiconductor was strongly supported by the data of sps and fisps measurements, the wire - like configuration of the tio2 tubule nanostructure benefited the electron - transport thereby improved the efficiency of the disassociation of the photogenerated carriers
表面光電壓測試結果表明,復合材料中存在著強烈的從p -型酞菁材料到n -型氧化物半導體材料的光致電荷轉移。而且tio _ 2的納米管和線狀結構提高了電子的傳輸效率最為明顯,使光生電荷的分離得到顯著改善。Synthetic cryolites is mainly used as the flux in the aluminium electrolysing and the fillers of rubber, grinding wheel, the milk whiter agent of enamel glass - shaded and the flux of the non - iron metal, etc. its merits are adjustable molecular ratio, lower cost and good fluidity
人造冰晶石可作電解氧化鋁的助熔劑,橡膠,砂輪的填充劑,搪瓷玻璃罩的增白劑及非鐵金屬的助溶劑等,它具有可調整的克分子傳導率,成本低,流動性好等優點The research results show that the radius of the gas channels and the electronic conductivity in carbon phase of the reaction layer, and the porosity of the gas diffusion layer are relatively less important
研究結果表明氣體擴散層孔隙率,反應層氣體通道的半徑以及碳相中電子傳導率等參數的變化對電極性能影響不大。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Standard specification for high - strength, high - conductivity copper - alloy wire for electronic application
電子用途的高強度高傳導率銅合金線的標準規范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導體材料,這也正是本論文的基本出發點;復合離子導體中第二相的加入改善了基質的界面結構和導電機制,不僅可以提高基質材料的電導率,還可以在一定程度上改善材料的其它性能,如燒結性能、脆性和機械強度等。因此復合材料的研究是離子導體一個有廣闊前景的發展方向;合成鋰離子導體,特別是成分復雜的體系以傳統的固相合成法為主,但這種方法需要較高的溫度,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。The membrane properties were found to be dependent upon the content of styrene. the membrane physic - chemical properties compare to nafion 117 except that their chemical stability has to be further improved to make them acceptable for practical use in the proton exchange membrane fuel cell. the proton transport through the membrane follows the " liquid - like " proton conductivity mechanism y and the water balance is important for the working condition of the fuel cell
對磺化膜的研究分析表明:膜的性能參數如離子交換容量、吸水率、水合系數、形體穩定性、導電性能、化學與熱穩定性等依賴于膜中苯乙烯含量,且接枝苯乙烯相互間的位阻效應對膜性能影響很大;膜的性能可與nafion膜相比較;質子在膜中的傳導遵循「似液體」質子傳導機理;電滲析與擴散作用使膜保持水平衡。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。With the development of electronic technology in the field of high - frequency and high - power, power mosfet is gradually enhancing its important status in semiconductor apparatus and is being widely applied in power converters as switch. with the increasing of the operating frequency ( > 200khz ), the energy loss caused by parasitic capacitance will affect the efficiency of power transforming in converters. especially in the applications of high frequency power supply using mosfet as main devices ( the unit of frequency is mhz ), the energy loss caused by the switch process will badly affect its efficiency
隨著電力電子技術進一步向高頻的大功率用電領域發展,功率mosfet在各種電力半導體器件中的重要地位日益顯著,使用功率mosfet作為開關器件的功率轉換電路也日益增多,但隨著器件開關頻率的提高(大於200khz ) ,由器件極間電容引起的能量損耗將會影響到功率轉換電路的能量傳輸效率,特別是在以mosfet作為開關器件的高頻感應加熱電源中(工作頻率可達兆赫) , mosfet在開關過程中的能量損耗嚴重影響到電源的效率,因此如何減小開關器件的損耗提高高頻功率轉換線路的效率成為電力電子技術領域的重要研究課題之一。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The properties of the membranes such as proton conductivity, water uptake, swelling degree and thermal stability were measured. results show that the sulfonated sbs membranes had good proton conductivity, at the same time, the water uptake and the swelling degree could meet the need of fuel cell
通過對不同磺化度的質子交換膜的電性能、吸水率、溶脹率以及熱穩定性等性能進行了研究,表明磺化sbs膜具有了比較好的質子傳導能力,吸水率與溶脹率也能滿足燃料電池的工作需求。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。The simulation findings uncover that : either a higher inefficiency level of e - marketplace, or a higher opportunity cost that a seller in the traditional marketplace takes, or a low upper limit of active sellers in e - marketplace, or a higher probability of taking stochastic actions, or less information to form expectation, can be propitious for spurring the shift from the traditional marketplace to the e - marketplace. as for the popular “ thorough shift ” presumption, this paper puts forward that, an aggressive shift from traditional marketplace to e - marketplace is probably built on an effort by the buyer to constrain his own bargaining power or to share benefits with the supplier. by developing economic models and leveraging the general game theory, this paper also finds out that cost is the critical factor that governs the evolution of monopolistic market, monopolistic competitive market and oligarchic market
保持其它因素不變,以上因素對市場演化的影響作用分別為:市場演化對電子市場競爭無效率度高度敏感,當電子市場競爭無效率度小幅度下降時,市場顯著地偏向傳統市場,當電子市場競爭無效率度小幅度上升時,市場顯著地偏向電子市場;傳統交易中賣方所承擔的隱性成本是市場演化的另一個決定性因素,當傳統交易中的賣方所承擔的隱性成本取值較大時,電子市場將佔主導地位,當傳統交易中的賣方所承擔的隱性成本取值較小時,傳統市場將佔主導地位, ;當為電子市場中實際參與每筆交易的賣方設置一個低的上限時,傳統市場將迅速演化為電子市場;市場參與者的非理性行動概率越大,市場越容易向電子市場The results show that transformation of transmission mechanism and much higher birefringence can be achieved after nlc - filling. farther, we firstly demonstrate the realization of modulating pbg and modes of pbg - pcfs by changing refractive index filled of filled nlc by virtue of temperature or electric field, and finally tunable
在此研究的基礎上,首次提出並設計出通過用溫度或者電磁場來調節空氣孔中液晶的折射率來連續調節這種高雙折射光子帶隙光纖中的傳輸帶隙和傳導模式,最終實現的高雙折射可調的光子帶隙光纖。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。Polydispersed a - fe nanoparticles have been obtained by using bi - amine terminated polyurethane flexible macromolecule as a surfactant, and on the basis of them, the epoxy - iron nanocomposite particles have been synthesized by in situ polymerization compositing technology. the real parts of both the permittivity and the permeability of the nanocomposite decrease firstly and then increse with increasing dose of surfactant. the composite particles have ideal comprehensive properties at the dosage of the sufactactant of 0. 5 g, and its frequency dispersion exceeds that of traditional micrometer carbonyl iron powders
以雙端氨基柔性大分子為表面活性劑制備了多分散的- fe粒子,並在此基礎上以原位聚合復合法制備了環氧樹脂-鐵納米復合粒子,發現隨表面活性劑用量增加,復合粒子介電常數實部和磁導率先降低后增加,在表面活性劑用量為0 . 5g時復合粒子有較好的綜合性能,頻散特性優于傳統微米羰基鐵吸收劑。A novel dual randomized pwm modulator with synchronous varying switching frequency and pulse position delay is proposed to reduce conducted electromagnetic interference ( emi ) in power converters
摘要提供了一種新的雙隨機脈沖調制技術,它能夠很好地減小電力電子系統中存在的傳導電磁干擾,這個調制技術是通過同時改變開關頻率和脈沖的上升沿位置來實現的。分享友人