熱電流表 的英文怎麼說
中文拼音 [rèdiànliúbiǎo]
熱電流表
英文
thermoammeter- 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...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 表 : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
- 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
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The china heating information network altogether divides into several big edition blocks they separately are : heats the on - line exchange area ; warmly passes the heating profession tendency ; heating ( thermoelectricity ) technical paper ; heating ( heating ) thermoelectricity product supply and demand information ; warmly passes the equipment, the heating product demonstrates, heating enterprise / heating company huang ye ; heating investigation ; heating magazine free subscription ; visitor visitors ' book ; and three leisure columns - reading room, joke, tabletop wallpaper and so on
中國供熱信息網共分幾大版塊分別是:供熱供暖論壇交流;暖通供熱行業動態;供熱熱電技術論文;供熱供暖熱電產品供求信息;招標采購投資合作;暖通設備供熱產品論文(包括鍋爐、熱量表、散熱器換熱器、保溫管材、地暖等) ,供熱公司供暖公司採暖供暖設備黃頁;及兩個休閑欄目-在線書屋、精彩笑話等。Induction heated oil tempered spring wire is a kind of new technical material which has been developed since 1980s. it can be heated by means of eddy induced into itself through electromagnetic coil and this method is mainly used in surface quenching. with correct designing and reasonable current frequency, induction coil and heat treatment process selected, as well as plc controlling applied, the wire can be uniform heated along cross - sectional and longitudinal direction and can be quenched and tempered continuously
應加熱油淬火-回火彈簧鋼絲,是二十世紀八十年代發展起來的新技術材料,在國外稱為itw induction heat oil tempered spring wire 。是通過線圈電磁感應鋼絲本身產生的渦流進行加熱,通常主要用於表面淬火。經正確設計,選擇電流頻率,合理的感應線圈及熱處理工藝,並實施plc控制,可使鋼絲整個截面及長度上得到均勻加熱,進行連續整體淬火和回火。Comparing shrinkage under bpec and conventional heating, we can conclude that obvious shrinkage occurred at relative lower temperature and velocity of shrinkage was greater under bpec heating
比較脈沖大電流和輻射加熱燒結過程中樣品的收縮,結果表明前者在相對較低的溫度即發生明顯的收縮,並且收縮速率大於後者。The third model was designed to investigate atom diffusion at contacting point. fe was sintered at 500, 550 > 600, 650 > 700 under bpec and radiation heating. the test results of image processing indicated that the average pore size took on wavelike with temperature under bpec heating
脈沖大電流加熱條件下,其它條件相同時,分別在800 、 900的溫度武漢理土大學碩士學位論文下擴散連接cu絲和ni絲,結果表明接觸線處cu和ni的擴散系數隨溫度的升高而增大。Compared to other commonly referenced high - k materials, hfo2 is known for its stability on silicon and process compatibility. the fabrication and electrical properties of hfo2 and hfoxny gate are carefully studied. with the study on hfo2. we can receive a few significative conclusion : 1
結果表明,與傳統的hf清洗的si表面相比, nh _ 4f清洗的si表面與hfo _ 2具有更好的熱力學穩定性,因而可獲得更低的eot和柵泄漏電流密度; 3 )研究了濺射氣氛和退火工藝對hfo _ 2柵介質薄膜性質的影響。Test results indicated : with the hoist of altitude, the increase of ice amount and the rise of pollutant, the average flashover voltage reduced. the character exponent generally depends on the insulator profile, ice amount, ice state and pollution severity etc. by means of a high - speed camera, a data acquisition system and high voltage test facilities, a series of the flashover processes on ice surfaces were record. the experimental results form this study and the subsequent theoretical analyses suggested : the thermal ionization of the air in front of an arc root resulted in arc movement ; the electrostatic force had an auxiliary effect of impelling arc propagation ; the electrical
通過對攝像機、數據採集系統及高壓試驗裝置記錄覆冰絕緣子表面閃絡電弧的發展過程的試驗結果進行理論分析得出:弧根周圍空氣的熱電離導致了電弧的發展,靜電場力對電弧的發展起到了加速作用,電擊穿僅發生在閃絡最終的跳躍階段;通過測量閃絡過程中的放電電壓、泄漏電流、閃絡時間、覆冰水電導率、電弧長度及電弧半徑等參數,得到了不同階段電弧(電弧起弧階段、電弧發展階段及完全閃絡)的發展速度、臨界電弧長度均隨覆冰水電導率的增加而減小。And the results of calculation and numerical simulation indicate, without increasing the intrinsic collector - junction area of power devices, collector - combed structure helps to raise the intrinsic heat - dissipating area and base ' s perimeter, improve heat - dissipating method of each cell of the chip, enhance the distribution uniformity of junction temperature and current of each cell of the chip, reduce the thermal resistance and raise the dissipation power pd and output power p0, fairly well relax the contradiction among frequency, out - put power and dissipation power of the devices, and further improve the devices " property against second breakdown
而計算分析和二維數值模擬分析結果表明:梳狀集電結(基區)結構在不增加器件本徵集電結面積的條件下,增大了器件的本徵散熱面積和基區周長,改進了每個子器件單元內的散熱方式,提高了單元內結溫和電流分佈的均勻性,降低了器件的熱阻,增大了器件的耗散功率和輸出功率,較好地緩解了目前傳統結構中頻率與功率、功耗的矛盾,並有利於改善器件抗二次擊穿的性能。Based on the hydrodynamic energy transport model, the influence of variation of negative junction depth caused by concave depth on the characteristics of deep - sub - micron pmosfet has been studied. the results are explained by the interior physical mechanism and compared with that caused by the source / drain depth. research results indicate that with the increase of negative junction depth ( due to the increase of groove depth ), the threshold voltage increases, the sub - threshold characteristics and the drain current driving capability degrade, and the hot carrier immunity becomes better in deep - sub - micron pmosfet. the short - channel - effect suppression and hot - carrier - effect immunity are better, while the degradation of drain current driving ability is smaller than those with the increase of depth of negative junction caused by source / drain junction shallow. so the variation of concave depth is of great advantage to improve the characteristics of grooved - gate mosfet
基於能量輸運模型對由凹槽深度改變引起的負結深的變化對深亞微米槽柵pmosfet性能的影響進行了分析,對所得結果從器件內部物理機制上進行了討論,最後與由漏源結深變化導致的負結深的改變對器件特性的影響進行了對比.研究結果表明隨著負結深(凹槽深度)的增大,槽柵器件的閾值電壓升高,亞閾斜率退化,漏極驅動能力減弱,器件短溝道效應的抑制更為有效,抗熱載流子性能的提高較大,且器件的漏極驅動能力的退化要比改變結深小.因此,改變槽深加大負結深更有利於器件性能的提高Account for the high electrical field induced from the high applied voltage relative to small dimension device, the mechanism of hot - carrier generation is analysed, the si - h bond broken model for hot - carrier injection and interface states generation is deduced and the substrate current model is developed
基於mosfet偏壓不能按比例縮小所導致的高電場,對mosfet的熱載流子產生機理進行了分析,導出了熱載流子注入所引起的界面態的si - h健斷裂模型,並建立了表徵器件熱載流子效應的襯底電流模型。Theoretical analysis indicates, the two technology helps reduce the concentration of current, lower the peak junction - temperature, and effectively avoid the appearance of devices " breakdown caused by heat and current
理論分析表明:上述兩種技術,有利於減小電流集中現象,降低器件峰值結溫,避免熱擊穿和二次擊穿的發生。Use clamp ampere meter to measure the current and check if the heating power is normal
用鉗形表測量電流,檢查發熱功率是否正常。The pretreatment, effect of bath compositions and operation conditions such as temperature, currenty and time on compactness of the zinc and cu / ni / cr coatings have been investigated. the relationship of operation conditions to thickness of the coatings was studied by weight method. the specimens have been pickled in nacl or sulfate acid solution to evaluate the porosity of the coating
研究了鎂合金電鍍前處理工藝,電鍍鋅、電鍍銅/鎳/鉻工藝配方及其施鍍溫度、電流密度和時間對鍍層緻密性的影響;採用稱重法研究施鍍工藝與鍍層厚度的關系,利用nacl溶液和硫酸溶液浸泡試樣來考察鍍層孔隙率,採用劃痕試驗和熱震試驗檢驗鍍層的結合力,採用金相顯微鏡和掃描電子顯微鏡觀察鍍層表面形貌。General model c38 dc meters are portable taut - band suspended moving coil instruments with light - spot indication. the meters have the feature of extremely high in sensitity and small in consumpition being particularly suitable to be used for measuring weak electric quantity on dc circututs, also for testing the static paramenters of transistors as well for measuring the output of millivolt values of zhermocouple in the vacuun furnaces ( or hydrogen furnaces )
C38型直流電表是磁電系張絲支承光點指示可攜式電表儀表具有極高的靈敏度,功耗小,特別適合弱電量直流電路測量及晶體管靜態參數測試用以及用做真空爐(或氧氣爐)中測量熱電偶的輸出毫伏值As well - known, there is an induced current on the surface when metal material is in the high frequency electromagnetic field, since tending to skin heating effect to make the temperature of metal material surface go up promptly, surface beginning melt when temperature reaches the melting point of metal, metal material is heated up continuously by surface to core till the metal droplet of melting
自懸浮定向流技術制備金屬納米微粒與一般的蒸發冷凝法有所不同,其原理是:金屬材料在高頻電磁場中產生表面感生電流,由於趨膚加熱效應使得金屬材料表面的溫度迅速升高,當溫度達到金屬的熔點時表面開始熔化,通過熱傳導作用金屬材料由表面到芯部不斷加熱直至熔化成金屬液滴。In order to improve measurement precision and display fidelity of the instrument, three new methods of nonlinear calibration of thermal instruments, which are based on intelligent control theory, are presented in this paper, such as nonlinear compensation of zr02 oxygen measurement instrument using bp nn, nonlinear calibration of temperature measurement sensors using cmac nn and nonlinear identification of throttle flow meter using ga. these methods prove to be not only simple but also effective
火電廠熱工儀表普遍存在非線性特性,為了提高參數測量的準確度和儀表顯示的精確度,基於智能控制理論,文中提出了熱工儀表非線性校正的新方法: bp神經網路補償氧化鋯氧量計非線性特性的方法、 cmac神經網路校正測溫傳感器非線性特性的方法、遺傳演算法辯識節流式流量儀表非線性特性的方法。Manufacturer of liquid level, pressure, and optical sensors, and proximity switches for aviation, medical, transport, commercial, industrial and marine applications
-主要生產智能儀表溫度儀表,熱工儀表醫用儀表電工儀表分流器互感器等系列和其配套產品。The main work lists as following : 1 on the condition that cfrc is an macroscopically isotropic material, the governing equations of electric and thermal conduction for the inspection were established ; the current density and joule heat distribution around several kinds of flaws were investigated 2 by fem, the process of inspection was simulated ; the current density, joule heat and temperature distribution were also investigated, and the simulation results were contrasted with experimental data
主要工作為: 1 、將機敏混凝土合理假定為宏觀各向同性材料的基礎上,建立了檢測過程中的熱、電傳導相關的控制方程;並研究了幾種不同缺陷周圍檢測過程中的電流密度、焦耳熱分佈規律。 2 、通過有限元方法對機敏混凝土的電熱場進行了模擬分析,研究電流密度、焦耳熱分佈及試件表面溫度分佈變化規律並與實驗所得試件表面溫度場進行了對比分析研究。The samples were welded at 750, 800, 850 and 900. the diffusion coefficients ( d ) of cu and ni at interface increased with the increase of welding temperature. and comparing with radiation heating, atom diffusion velocity at interface quickened
其它條件相同時,分別在750 、 800 、 850 、 900的溫度下採用脈沖大電流加熱連接cu和ni片狀材料,結果表明接觸面處cu和ni的擴散系數隨溫度升高而增大。Ir - ta - ti metal oxide coated titanium anodes of variable composition were prepared by thermal decomposition. their micro morphorogies and electrochemical properties were characterized by scanning electron microscope, open circuit potential, cyclic voltammetry, consumption rate measurements and accelerated life test. the sem results indicated that all coatings were of a porous and cracked - mud microstructure influenced greatly by the composition of coatings. the electrochemical measurements showed that the ir - ta - ti ternary oxide - coated anodes exhibited excellent electrochemical activity and electrochemical stability in both acidic media and seawater which were affected by the composition and microstructure of the coatings. owing to good corrosion resistance and low consumption rate in seawater, metal oxde coated anodes belong to insoluble material, and can be potentially applid in impressed current cathodic protection systems as an anode
採用熱分解方法在鈦基體上制備銥鉭鈦金屬氧化物陽極,用掃描電鏡對陽極塗層顯微形貌進行分析,通過強化電解壽命試驗、開路電位測試、消耗率試驗及循環伏安曲線研究了金屬氧化物陽極的電化學性能. sem分析結果表明銥鉭鈦金屬氧化物陽極塗層呈現多孔多裂紋形貌結構.隨陽極塗層組成不同,塗層顯微形貌表現出很大差異,這種差異直接影響陽極電化學性能.電化學性能試驗結果表明銥鉭鈦金屬氧化物陽極在酸性介質和海水中具有良好的電化學穩定性和電化學活性.此外,銥鉭鈦金屬氧化物陽極在海水中的消耗率很低,屬于不溶性的陽極材料,作為外加電流陰極保護用輔助陽極具有廣泛的應用前景Xps measurement results exhibited that no detectable fe2 + existed in the compound of a ~ fe2os doped with sn4 +, which suggest that oxygen anions or cation vacancies not only can compensate the charge balance but also significantly enhance the gas - sensitivity of a - fe2o3 based gas sensors. ( 3 ) conductive type of a - fe2o3 doped with sn4 + is showed in the n - type by hall measurement and gas - sensitivity measurement. the results of measurements and characterizations suggest that the sensitive mechanism of the a - fe2o3 based nano - materials prepared by this work be the surface resistance controlled mode
( 3 )首次進行了霍爾測量,並結合氣敏測試結果,從不同方面證實了摻錫- fe _ 2o _ 3納米半導體的導電類型是n型;綜合粉體的電導率?溫度曲線、元件的電阻?加熱電流特徵曲線、元件在不同氣氛下的電阻特性以及比表面積等測試表徵結果,得出本文所製成的- fe _ 2o _ 3基氣敏元件的氣敏機理特徵屬于表面控制型。分享友人