type conductivity 中文意思是什麼

type conductivity 解釋
n型關導體電導率
  • type : n 1 型，類型，（工業產品的）品種；風格，型式。2 典型，榜樣，樣本，樣板，模範，範本；典型人物；具...
  • conductivity : n. 【物理學】傳導性[力]，傳導率；導電率[性，系數]。
  1. A new measurement system for electrical conductivity in an yj - 3000t press fitted with a wedge - type cubic anvil was set up on the basis of the old one. a solartron 1260 impedance / gain phase analyzer was used in the new system ; mo electrodes and a mo shield were also used to keep oxygen fugacity close to the mo - moo2, which is similar to that of iron - wustite ( iw )

    在yj ?緊裝式六面頂壓機上，對原有的礦物、巖石電性測量系統進行了進一步的改進：建立了一套以solartron1260阻抗增益?相位分析儀為測試儀器，使用mo電極和mo盾來控制樣品氧逸度的測量系統，該系統的氧逸度環境為mo ? moo _ 2 ，接近iw緩沖對。
  2. Another problem in the determination of a good representative value of the conductivity for a given rock type arises from the heterogeneity of the material.

    測取給定巖類具有良好代表性熱導率數據的另一個問題是材料的不均勻性。
  3. In this paper, metastable cu - al alloy powder with different aluminum content was prepared by mechanical alloying technique. high strength and high conductivity cu - al2c > 3 composites were prepared by a new type vacuum internal oxidation technique

    本文採用機械合金化法制備了不同鋁含量的亞穩態的cu - al合金粉末，採用新型真空內氧化工藝制備了不同成分的高強度高導電cu - al2o3復合材料。
  4. Determination of conductivity type in germanium by thermoelectromotive method

    用熱電動勢法測定鍺導電類型
  5. Perovskite - type complex oxides of la1 - xsrxga1 - ymgyo3 compositions are characteristic of superior intermediate temperature oxide - ion conductivity and chemical stability, which are expected to be used in solid oxide fuel cells, sensors, electrocatalysis, membrane separators and membrane reactors. they have highly promising prospects in energy, metallurgy, chemical engineering and environmental protection, etc. in this dissertation, improved embeded sintering method has been employed to prepare la0. 8sr0. 2ga1 - ymgyo3 ( lsgm ) electrolyte, and the contributing factors to preparation, microstructure characteristics, conduction properties and thermology properties of lsgm electrolyte have been investigated

    鈣鈦礦結構la _ （ 1 - x ） sr _ xga _ （ 1 - y ） mg _ yo _ 3復合氧化物具有優異的中溫離子導電特性和化學穩定性，作為固體電解質可用於固體氧化物燃料電池、傳感器、電催化、膜分離和膜反應器等，在能源、冶金、化工、環保等領域具有廣泛的應用前景。
  6. Standard methods for measuring conductivity type of extrinsic semiconducting materials

    非本徵半導體材料導電類型測試方法
  7. Conductivity type - the type of charge carriers in a wafer, such as “ n - type ” and “ p - type ”

    傳導性（電學方面） -一種關于載流子通過物質難易度的測量指標。
  8. 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。
  9. It is showed that after doping s the bn thin films of n - type conductivity are obtained

    研究表明，未摻雜的氮化硼薄膜電阻率為為1
  10. 2 for the first time, rf sputtering method and vapor doping method have been combined to prepare n type bn films. bn films doped with s are n type conductivity

    摻s后的氮化硼薄膜表現出n型導電，未摻雜的氮化硼薄膜的電阻率1 . 8 1011 cm ，摻雜后的氮化硼薄膜的電阻率為7 . 3 107 cm 。
  11. Epa ' s drastic method was apllied to evaluate the groundwater vulnerability of lijiang basin in the historical city of lijiang in yunnan province with the consideration of depth to the water table, net recharge, aquifer material, soil type, topography, impact of vadose zone and hydraulic conductivity of aquifer from the natural environment and humankind activities with the help of gis technology

    摘要應用美國環保署epa的地下水脆弱性drastic評價方法，考慮地下水位埋深、含水層凈補給量、含水層介質、土壤包氣帶、地形地貌、包氣帶介質和水力傳導系數等7個評價因子，結合gis技術，對雲南麗江古城所在的麗江盆地地下水脆弱性從自然和人類影響兩方面進行評價。
  12. Mathematical modeling and application of radial effective thermal conductivity for coil heat transfer in hph bell - type annealing furnace

    罩式退火爐爐內鋼卷徑向非連續介質導熱的模擬研究
  13. As a type of potentially good thermoelectric materials, cosb3 compounds with the skutterudite crystal structure mx3 have attracted attention widely, because of their high carrier mobility, large electrical conductivities, and large seebeck coefficients. however, the thermal conductivity of skutterudite is too large, so, zt is low. therefore reducing the thermal conductivity of cosb3 has becomed a main research way at present

    Cosb _ 3方鈷礦化合物作為一種具有潛在高熱電性能指數的新型中溫熱電材料具有大的載流子移動度、高的電導率和較大的seebeck系數，但由於熱導率較大，因此要提高cosb _ 3方鈷礦化合物的熱電性能，降低其熱導率是當前研究的熱點之一。
  14. ( 1 ) cfrc can effectively reduce the driving voltage required by catholic protection because of its good electric conductivity ; ( 2 ) applying cement - based pn - junctions on the prevention of reinforcement corrosion. in the interface of p - type region and n - type region of pn junctions a self - built electric field will be formed, and its direction is from n - type region to p - type region

    由於cfrc具有良好的導電能力，利用cfrc進行陰極防護，能有效的降低陰極防護驅動電壓；應用水泥基pn結的自建電場進行鋼筋銹蝕防護，能在不降低結構性能的基礎上提高鋼筋的電子逸出功，使鋼筋中的電子不易逸出，達到鋼筋銹蝕防護的目的。
  15. As we all know, the heat transfer of geothermal heat exchanger ( ghe ) is affected by a lot of factors, where groundwater advection has a comparatively great impact indicated by experimental data. while almost all the design tools for ghe are based on principles of heat conduction and rely on some estimate of the ground thermal conductivity and volumetric specific heat. however, the large part of vertical u - type pipe lies in the saturated soil, especially in zones along the coast or with plentiful groundwater, which will be affected by groundwater advection greatly

    但是對於垂直u型埋管來說，管段大部分位於土壤飽和區內，實際上其穿透的地層中總是存在著地下水的滲流，尤其是在沿海（河、湖泊）地區或地下水豐富的地區，埋管的傳熱性能大部分都受到地下水滲流的影響，此時土壤內發生的是熱傳導和地下水滲流共同作用下的復雜的、非穩定的傳熱傳質過程（簡稱熱滲耦合傳熱過程） 。
  16. Polymers have had an edge over kodak - type small - molecule devices in power efficiencies because the greater electronic conductivity of the polymer layers allows lower operating voltages

    與柯達型的小分子裝置相比，聚合物在用電效率上見長，由於聚合物層的導電率較高，所以操作電壓可以較低。
  17. The study results show that the minimum ac flashover voltage decreases with the increase of the ice amount accreted on the insulator surface by an exponential law, and the down - trend of the minimum ac flashover voltage will slow gradually with the bridging of the shed of the insulators by icicles, both the average saturated ice amount and the special exponent m of effect of ice amount for different insulators depend on the radius of shed and the air - gaps of the sheds of the insulators, and that the ac ice flashover voltage decrease with the decrease pressure ratio p / p0 ( rise of the altitude ) by power - law for different esdd and icing - states when the altitude is from 4000m to 5500m. the special exponent n, which show the effects of altitude on the flashover voltage, is various with the type of insulator, icing - states and the surface status of iced insulator etc., and that the minimum ac flashover voltage of iced insulators decreases by power - law with esdd or the freezing water conductivity for different ice amount and atmospheric

    研究結果表明：在不同海拔高度和等值鹽密esdd下，絕緣子的最低交流冰閃電壓均隨覆冰量的增加而呈指數規律降低；當覆冰量增加到一定程度后，最低交流冰閃電壓隨覆冰量增加而降低的趨勢趨于飽和；不同絕緣子串的平均飽和覆冰量及閃絡電壓的覆冰量影響特徵指數m均與絕緣子的盤徑和傘距等因素有關；在海拔4000 5500m之間，不同等值鹽密esdd和覆冰狀態下，絕緣子的交流冰閃電壓隨海拔高度的增加（氣壓的降低）與p / p0呈乘冪關系降低，氣壓影響特徵指數n與絕緣子類型、覆冰類型、覆冰表面狀況等因素有關；當覆冰量和氣壓一定時，絕緣子的最低冰閃電壓均隨著等值鹽密（ esdd ）或覆冰水電導率的增加而呈乘冪關系降低，並逐漸趨于飽和。
  18. The intermediate - temperature sofc ( solid oxide fuel cell ) ’ s electrolyte with perovskite - type lsgm ( la _ ( 0. 9 ) sr _ ( 0. 1 ) ga _ ( 0. 8 ) mg _ ( 0. 2 ) o _ ( 3 - ) ) was synthesized using advanced pechini method and solidification method. the thermal and electrical properties of the sintered samples ( synthesized by two different methods ) were measured and compared by thermal expansion and ac impedance spectroscopy ; the phase transformation process and inner structure were measured and compared by xrd, dta - tg and ac impedance spectroscopy. the research results show that the electrolyte synthesized by advanced pechini method has several advantages, such as fine pre - powders, low sintering temperature, reduced or eliminated impurity phases and high conductivity etc. so, the apm is ideal method to synthesize lsgm

    採用改進的檸檬酸法（以檸檬酸和edta乙二氨四乙酸為復合絡和劑，檸檬酸為燃料）和固相法分別制備了具有鈣鈦礦結構的中溫固體氧化物燃料電池的電解質材料lsgm （ la _ （ 0 . 9 ） sr _ （ 0 . 1 ） ga _ （ 0 . 8 ） mg _ （ 0 . 2 ） o _ （ 3 - ） ） ，用差熱?熱重分析（ dta / tg ） 、 x光衍射分析（ xrd ） 、交流阻抗譜技術（ ac - impedancespectra ） 、比表面積分析（ bet ）和燒結收縮率曲線等手段對產物的熱分解過程、物相轉變和內部結構等進行了表徵，並對由這些粉體燒結而成的固體氧化物燃料電池的電解質材料的電導率進行了檢測。
  19. Xrd reveals a mixture structure of the face - centered cubic and hexagonal close - packed phases. the sn doped makes the electrical conductivity change from insulator to n - type semiconductor

    用共蒸發法制備摻錫的c60薄膜，發現摻入的sn原子的薄膜導電性由原來的絕緣體變為n型半導體。
  20. Bn films doped with s are n type conductivity. undoped bn films exhibit a resistivity of 1. 8 1011 cm and those of doped are 2. 13 105 cm ， decreased by six order of magnitude. s fountain temperature and substrate temperature impact the resistivity evidently

    S源加熱溫度對氮化硼薄膜的電阻率有直接影響，表現在隨著s源加熱溫度的升高，氮化硼薄膜的電阻率下降的趨勢加快。
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