電導比 的英文怎麼說
中文拼音 [diàndǎobǐ]
電導比
英文
conductance ratio-
The le - an oil field is located on the southern slope of dong - ying sag. there are two sets of ek basalt in its western block. depending on the drilling, the logging and the seismic date, tha ek basalt has the characteristics of high resistancs, the low sound wave defferance and faradic conductance, the smooth curve of self potential
樂安油田位於東營窪陷南斜坡上，其西區發育了兩套孔店組玄武巖，根據鉆井、測井、地震資料，孔店組玄武巖具有電阻率高、聲波時差值和感應電導率值低、自然電位曲線平直的特點，地震波呈板狀強反射；沉積期該區有有二次火山活動，玄武巖平面分佈比較穩定，噴發方式為「裂隙式噴溢」 ，火山口分別位於草12和草31井附近。Piezoelectric sensors, commonly known as quartz crystal microbalance, are sensitive to multiple signals such as the surface mass and the viscosity, density, dielectric effect, conductivity of the liquid
壓電傳感技術則是一種比較成熟的傳感技術，可響應石英晶體表面的質量變化及溶液粘度、密度、介電常數、電導率等參數。The mass specific capacitance of anthracite - based hsaac is smaller in organic electrolyte than that in aqueous electrolyte, because the diameter of solvated ions in the former is bigger and its electrical conductance smaller
量比電容。這一現象的產生與有機電解質溶液中溶劑化離子的直徑較大、電導率；較低有關。Using diethanolamine as aminating agent and glacial acetic acid as neutralizing agent, aminated epoxy acrylic cationic resin was prepared. the effect of technology of aminated epoxy acrylic resin on properties of eletrodeposition was studied by conductivity meter and electrophoresis apparatus. it was shown that, conductivity firstly decreased, and then increased with aminating temperature increase. in contrast with putting polyacrylic resin into thin acetic acid solution, the more compact film could be achieved by neutralizing polyacylic resin with glacial acetic acid and then add it into water. when neutralizing temperature was enhanced, the speed of electrodepsidon was found to increase, and the film was also more compact. increasing the dn leads to enhanced conductivity and smaller particle size. when dn equaled to 80, the smoothest film could be achieved
以二乙醇胺為胺化劑、冰醋酸為中和劑，合成了胺化環氧丙烯酸陽離子樹脂.採用電泳儀和電導率儀，研究了胺化環氧丙烯酸樹脂合成工藝對陰極電泳塗料電沉積性的影響.結果表明，隨著胺化溫度的增加，電泳液電導率先下降後上升.將冰醋酸加入樹脂中中和，後用水稀釋，比樹脂在醋酸稀溶液中中和，電沉積性能更好.電沉積速率隨著中和溫度的上升而增加，電沉積膜緻密性相應增加.中和度（ dn ）愈高，電泳液電導率愈大，粒徑越小，而塗膜外觀在中和度為80時達到最佳The use of suppression - conductometry showed the special features of lowering the background of the eluent, increasing the conductance of the detected ions and improving the s / n ratio
採用抑制電導可以降低淋洗液的背景電導，又可以增加被測離子的電導值，改善信噪比。Furthermore, this dissertation also gives a comprehensive analysis and comparison to the torque ripple factor, torque - current ratio and other aspects for pseudo - sinusoidal emf bldcm drived by 120 conduction mode, 180 conduction mode and self - synchronous svpwm mode respectively. the simulation and the experimental results indicate that self - synchronous svpwm method is more effective for minimizing the torque ripple without any expense of the torque - current ratio when the crest width of the back - emf waveform is less than 107 electrical angles
對準正弦波反電動勢無刷直流電動機在120導通方式、 180導通方式和自同步svpwm三種控制方式下的轉矩脈動系數、轉矩電流比等方面進行了全面的分析與比較，模擬研究和實驗結果表明，當反電動勢的平頂寬度小於107電角時，採用自同步svpwm控制方法可以在不損失轉矩電流比的基礎上，更有效地抑制電磁轉矩脈動。Abstract : a new waveguide which can change the wide wall of a rectangular waveguide into a symmetric arc wall is named as a cam - rectangular waveguide. comparing to sectoral waveguide, the new waveguide has the same voltage characteristics and is easier to be produced and fixed. an approximate formula of the dominant mode fields and the normalized conductance of a longitudinal resonant slot cut in the curved wall of a cam - rectangular waveguide are given. a resonant slot linear array in c & x band is designed, in which the slot voltage distribution is equiphase and the input is matched. the input voltage stationary ware ratio and the h - plane pattern of the antenna are measured. the experimental results show the conformance with theoretical results
文摘:把常用的矩形波導一個寬面改成圓弧形構成的波導稱為圓突-矩形波導.這種波導與扇面波導相比：電性能相當；波導管結構更加簡單，容易加工，便於安裝.文中給出圓突-矩形波導中主模場，圓曲面上縱向槽歸一化諧振電導近似公式.設計了c和x波段波導曲面縱向諧振縫隙線陣，縫隙電壓相位為同相分佈，輸入端匹配.實際測量了天線輸入端電壓駐波比和h面方向圖，理論與實驗相吻合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The ratio of light conductivity to dark conductivity of the nv - si / a - si : h photoconductor is 103, and the light conductivity of nc - si / a - si : h photoconductor in the normal is 2 - 4 times more than that in the lateral
這種nc - si a - si ： h光導膜具有柱狀結構，薄膜的光暗電導比達到10 ~ 3 ，其縱向電導率是橫向電導率的2 4倍。In the lclv, the most important parameter, switching ratio of the lclv, is analyzed. it is mainly influenced by the dark - conductivity, ratio of light - to dark - conductivity, thickness of the photoconductor and the thickness of the liquid crystal. it is concluded that the switching ratio can be improved by matching the thickness of the liquid crystal and the photoconductpr, and the proper change region of the light conductivity of the photoconductor
在電學匹配方面，我們對光電導材料的暗態電阻、亮暗電導比、厚度以及液晶的厚度等對光閥開關比的影響進行了分析，認為液晶光閥開關能力的提高很大程度上取決于光電導層和液晶層的厚度匹配，以及光電導層的電導變化的區域位置。After extended the formula of normal state specific heat to the superconducting state, we obtain its electronic specific heat of superconducting state
擬合其正常態比熱，並把正常態的晶格比熱延伸到超導態后，在總比熱中減去，就得到mgb2在超導態的電子比熱。From sem of the polymer, we can found that, the polymer containing no dbp made by solvent of nmp had more and large pores than solvent of dmac, so it had larger liquid uptake and higher ionic conductivity
從sem測試圖上也可以看出，不含dbp時，溶劑為nmp條件下制備的聚合物膜孔徑比溶劑為dmac時大，孔隙多，吸液率大，離子電導率高。Solvents of dmac and nmp were used to prepare polymer electrolyte membrane, when the ratio of dbp and solvent was 20 %, both of the ionic conductivity can arrive at 10 - 3 s ? cm - 1, and the ionic conductivity of polymer made by nmp was 35 % higher than by dmac
分別用溶劑dmac及nmp制備了聚合物電解質膜，在增塑劑與溶劑體積比為20 %時，聚合物膜的離子電導率均能達到10 - 3s ? cm - 1 ，且以nmp為溶劑的聚合物膜的電導率比以dmac為溶劑的電導率高出大約35 % 。In the mean time, i test the separator ’ s performance, including the rate of hole 、 the performance of absorbing electrolyte and the conductance eletrochemical steady range 、 machine intensity test, and then make bettery to test its cycle performance. the test result show that, the spreading separator get better performance, when dbp ’ s percentum reach 50 %, and dry temperature reach 90, after ultraviolet radiation disposal. the test show that, the separator has high conductance reach 6. 1 10 - 3s / cm ( 25 ), and the machine intensity can reach 3. 92 mpa, this separator can meet the need of making bettery, the bettery capability will go down after 30 cycle. and the bettery show worse performance under high temperature, under 70, the bettery will get fire. making the intensified seprator, i find that when dbp % : pvdf % = 40 % : 60 %, dbp % + pvdf % : sio2 % = 70 % : 30 %, the separator get
但用其制備的電池循環30周期后容量發生衰減，並且電池高溫性能差， 70下電池燃燒;強化聚合物膜的最佳制備配比條件為: dbp : pvdf為40mass % : 60mass % ， dbp含量與pvdf含量之和與納米sio2含量比值為70mass % : 30mass % ;強化電解質隔膜的室溫離子電導率也可達4 10 - 3s / cm左右，完全能滿足聚合物鋰離子電池的使用需要;機械強度遠遠大於流延法制得的隔膜，達到108 . 84mpa 。Now the ion conductivity of gel polymer electrolyte ( gpe ) can reach the magnitude of 10 - 3s / cm, which can satisfy the practical request. however, it is still lower than that of liquid electrolyte ( 10 - 2 s / cm ), which causes the fall of high rate discharge and low temperature performance of lithium battery
目前凝膠聚合物電解質（ gpe ）的室溫離子電導率可達10 ~ （ - 3 ） s cm數量級，已經能基本滿足應用的要求，但相比液態電解液的電導率（ 10 ~ （ - 2 ） s cm ） ， gpe的電導率仍然偏低，使得凝膠聚合物鋰離子電池的高充放電速率和低溫性能都大大的降低。Secondly, the sorts and weights of the components of the gel electrolyte are optimized, and a gpe with excellent performance is prepared, whose ion conductivity reachs 9. 2ms / cm. we analyze all the factors influencing the performance of the gpe, and study many performances of the gpe, including the microstructure, conductivity performance, liquid electrolyte holding ability, electrochemical stability, thermodynamics stability, and interfacial stability between electrolyte and electrode, et al
其次，對gpe各組份進行了改進和優化，找到了最佳的配比，制備了性能良好的凝膠電解質，該gpe的室溫離子電導率最高可達9 . 2ms cm ；考察了影響凝膠電解質性能的各種因素；研究了凝膠電解質的微觀結構、導電性、保液性、電化學穩定性、熱力學穩定性以及電解質與電極間的界面穩定性等性質。Positive electrode and negative electrode that execute spanning crack prevention are simulated as the source point and merged point, so the temperature field owing to the concentration of current around the crack tip is educed at the moment when the current is switch on
將實施跨越止裂時的正、負電極比擬為電流場中的源和匯，從而導出了在瞬間電流作用下，裂紋尖端附近區域因繞流而形成的溫度場。The longer the air gap is, the higher the inception voltage ; the inception voltage is lower with 2kv at wet ice than dry ice. while, there is not a distinct effect of water conductivity on the initiative voltage
間隙越長，起暈電壓越高;濕冰情況下間隙的起暈電壓比乾冰約低2kv ;而覆冰水電導率對起暈電壓沒有明顯的影響。Superconductivity - residual resistance ratio measurement - residual resistance ratio of nb - ti composite superconductors
超導性.剩餘電阻比測量. nb - ti復合超導體的剩餘電阻比The conductance of the system is less 1 conduction quantum than perfect quantum wire in some specified parameter areas ; 2
存在著狹小的參數區間其電導比理想情況小一個電導量子； 2分享友人