溫變電阻 的英文怎麼說
中文拼音 [wēnbiàndiànzǔ]
溫變電阻
英文
thermoresistance-
Traveling cranes, drying furnaces, transformer wiring facilities, transformer automatic inspection machines, pressure meters, insulation resistance meters, ac dc stabilized power sources, memory high coder brightness meters, light meters, film thickness meters, noise meters, hand thermometers
起重機,乾燥爐,變壓器卷線設備,變壓器自動檢查機,耐壓計,絕緣電阻計,交流直流穩定性電源,內存快速編碼器亮度計,光度計,膜厚計,噪音計,手指尖溫度計Using the rock resistivity meter with simulating in - situ conditions, the relations between rock resistivity and temperature were observed from 6 sandstone samples with different porosity and permeability, while samples were brine water - saturated and subjected to certain confining pressure. it is found that the resistivities of water - saturated rock samples decrease in the form of power expression with the temperature increase. although the resistivity of brine water decreases with temperature in the same rule, it can not entirely account for the decreasing of rock resistivity. the cementation factor
利用模擬地層條件巖芯電阻率測量儀,對6塊孔隙度滲透率各不相同的砂巖巖芯,在一定圍壓條件下,巖芯完全飽和鹽水時,考察了巖芯電阻率隨溫度的變化。發現飽和鹽水巖芯的電阻率隨溫度升高,以冪函數形式下降。雖然巖芯中飽和鹽水的電阻率同樣隨溫度以冪函數形式下降,但巖芯電阻率的下降不能完全用巖芯飽和鹽水的下降表徵。Thermistors are semiconductor devices whose resistance varies with temperature.
熱敏電阻是一種半導體元件,它的電阻隨溫度而變化。When it is affected by different temperature, a sensing signal will be obtained through inside measuring loop
以熱電阻偶為感溫元件,當它感受到溫度變化時,通The sensor adopted micro melts technology and introduce aviation application science and technology ; using high temperature glass the micro processing silicon voltage dependent resistance strain gauge to melt on the stainless steel diaphragm
傳感器採用的微熔技術,引進航空應用科技,利用高溫玻璃將微加工硅壓敏電阻應變片熔化在不銹鋼膜片上。We select ni / cr alloy resistor as element together with ceramic embedding hearth ; select small flat - and - disc heat - even hubby ceramic sample holder, select ni / cr & ni / si thermoelectric couple ( type k ) as thermoscope with threads 0. 5 mm in diameter which is installed in the middle of the holders symmetrically ; select aluminum silicate fire - retardant fiber as materials for heat preservation ; design some hardware, for example temperature controller & transporter, signal amplifier etc ; design controlling curve to heat stove ; and introduce the method of least squares nonlinear regression and subsection function to deal with data. in order to obtain the reasonable operation conditions and operation curve, we have also done many theory analysis and experiment discussions
通過理論和試驗探討,選用鎳鉻合金電阻絲作為加熱元件,配以陶瓷質埋入式爐膛;選用陶瓷質小尺寸扁平?圓盤均熱塊體型樣品支持器;選用0 . 5mm絲徑鎳鉻?鎳硅熱電偶( k )作為測溫元件;熱電偶對稱安置在樣品支持器容器的中部;選用硅酸鋁耐火纖維作保溫材料;合理選用和設計了溫度控制器、溫度變送器、信號放大電路等硬體;採用升溫曲線來控制爐膛供熱過程;採用最小二乘法非線性回歸與分段函數相結合的曲線模擬方法,進行圖形處理。A model of the interface state density distribution near by valence band is presented, and the dependence of the threshold voltage on temperature, the c - v characteristics and the subthreshold characteristics are predicted exactly with this model ; the effects of s / d series resistance on the output characteristics, transfer characteristics and effective mobility of sic pmosfets are analyzed. thirdly, the output characteristics and the drain breakdown characteristics are modeled with the procedure medici. the output characteristics in the room temperature and 300 ? are simulated, and the effects of gate voltage. contact resistance, interface state and other factors on sic pmos drain breakdown characteristics are analyzed
提出了一個價帶附近的界面態分佈模型,用該模型較好地描述了sicpmos器件閾值電壓隨溫度的變化關系、 c - v特性曲線以及亞閾特性曲線;分析了源漏寄生電阻對sicpmos器件輸出特性、轉移特性以及有效遷移率的影響;論文中用模擬軟體medici模擬了sicpmos器件的輸出特性和漏擊穿特性,分別模擬了室溫下和300時sicpmos器件的輸出特性,分析了柵電壓、接觸電阻、界面態以及其他因素對sicpmos擊穿特性的影響。The sort, material composite, structure properties and conduction mechanisms of eca ( electrical conductive adhesive ) were discussed in this paper. then three types of ega specimens were designed and made, on which temperature cycles test from - 55 ? to + 125 ? and thermal aging at + 125 ? were carried out. changes of the adhesive strength, eca ' s bulk resistance and contact resistance under the environment stress were summarized and a detailed evaluation on these specimens was given
本文在全面闡述導電膠的分類組成、物理結構、導電機理的基礎上,設計並製作了三批導電膠樣品,通過對樣品進行長時間的- 55 ? ? + 125溫度循環和125高溫存儲試驗,總結了導電膠粘接強度、體電阻和接觸電阻在環境應力下的變化規律,對三類樣品的長期可靠性做出了全面的評價,並結合導電膠電阻率和「穿流閾值」的計算機模擬,給出了提高導電膠可靠性和電導率的建議,介紹了國內外在高電導率高可靠性導電膠研製方面的一些最新進展。Di - on electric one of the beijing hi - new - tech enterprise develop and manufacture lots of equipment like sf6 dewpoint meter dp100, cable fault location system cfl6000 and more. di - on electric supply the most advanced technology and equipment on such as gis surge arrestor on line monitoring, resistance measuring, ac dc metrology, thermal - temperature bridge, power transformer diagnostic and testing, cable diagnostic and fault location, sf6and oil moisture measuring, oil treatment and testing, optic fiber temperature monitoring, circuit breaker testing, relay testing and more
迪揚電氣在gis和避雷器的帶電測試與故障診斷分析,電力電纜的故障定位與局放檢測,變壓器電抗器的各種測試診斷與溫度監測, sf6的水分測量與回收,絕緣油的測試分析與濾油處理,紅外測溫與光纖在線測溫,以及各種電阻測試與計量,溫度計量與電能計量等方面擁有世界一流的技術與成熟的儀器設備。With the increasing of cu contents, flie resistivity of composite samples nd _ ( 0. 67 ) sr _ ( 0. 33 ) mn _ ( 1 - y ) cu _ ( y ) o _ ( 3 ) ) _ ( 0. 7 ) / ( nife _ ( 2 ) o _ ( 4 ) ) o. 3 changes rapidly and the mr gets better ; 6. as for the composite samples composed of nd _ ( 0. 67 ) sr _ ( 0. 33 ) mn _ ( 0. 8 ) cu _ ( 0. 2 ) o _ ( 3 ) of different sizes, with the increasing of heat treatment temperature, the grain size becomes larger, so the resistivity decreases and the capability of mr gets worse ; 7
6 .經不同溫度熱處理后的n斷67sr033mn0 . scu0203粉體與nifezo ;復合制得的困衡67sr033mno . scu0203 ) 0袱困ifezo4 ) 03復合樣品,隨著粉體熱處理溫度的升高, nd067sr033mnoscu02o3顆粒粒徑逐漸增大,從而導致復合體系電阻率減小,同時磁電阻性能逐漸變差。Thermistors - directly heated positive step - function temperature coefficient - part 1 - 3 : blank detail specification : inrush current application - assessment level ez
熱敏電阻器.直熱式突變型正溫度系數.第1 - 3部分:空白詳細規范:起動電流應用.評估級別ezSheathed resistance and integral temperature transmitter
鎧裝熱電阻及一體化溫度變送器At last, we introduced the design of demodulation device of white - light interferometer modulation / demodulation fiber - optic fabry - perot sensor. we provide the ways to improve the property of sensor. we performed a experiment to test the capability of our sensor to strain gauge, and applied our sensor into study on carbon fiber material temperature property
最後討論了白光干涉型光纖fp傳感器信號解調裝置的設計,提出了改進該種傳感器性能的方法,並對該傳感器系統與電阻應變片作了對比實驗,將該種傳感器用於了碳纖維材料的溫度性能實驗中。The average partical size of bismuth ruthenate and pbo - b _ 2o _ 3 - sio _ 2 glass was researched. the smaller bismuth ruthenate partical is, sheet resistivity is lower and temperature coefficient of resistance ( tcr ) is more positive and the refiring change ratio is nearer to zero. the limit size of bismuth ruthenate partical is 0. 56 m
研究了各相粉體平均粒徑對膜層性能的影響,結果表明:釕酸鉍平均粒徑越小,膜層的方阻值越小,電阻溫度系數偏正,重燒變化率越接近零值,球磨工藝的極限平均粒徑為0 . 56 m 。The properties of lacamno3 films were enhanced dramatically with a post annealing treatment in high temperature and high oxygen pressure. the films show the highest so far tmi, which reaches the 300k, the transition of resistivity is kept in a narrow temperature range and the temperature coefficient of resistance ( tcr ) is about 5 - 8 %
以高溫、高氧壓的條件對薄膜進行後退火處理,薄膜性質得到極大改善,轉變溫度點提高到了300k ,電阻?溫度系數也達到了5 - 8 ,不僅提高了轉變溫度點,而且使轉變保持在一個較窄的溫度區間內。On the other hand, relationship between doping concentration, phase transition temperature, magnitude of resistance change and hysteresis width was investigated
在此基礎上,本文進一步探討了摻雜濃度與vo _ 2薄膜相變溫度、電阻突變數量級以及熱滯寬度的關系。Then, the effect of vacuum annealing temperature on vo _ 2 thin film phase transition temperature, magnitude of resistance change and hysteresis width by doping zr ~ ( 4 + ) was discussed
( 2 )本文以摻鋯為例,探討了不同的真空退火溫度對vo _ 2薄膜的相變溫度、電阻突變數量級以及熱滯寬度有何影響。Below 280k the degenerated states were relieved and the electrons turned to the ordered states from the disordered, leading to the resistance increase suddenly and the transition from the cubic to the tetragonal structure
280k以後, mn原子軌道電子態的簡並被解除,電子由無序向有序狀態轉變,電阻隨溫度的降低,急劇增加,材料結構由立方相向四方相轉變。When the calcinations temperature fell into the scope of 300 - 400, its resistance begun to decrease sharply. however, the resistance almost kept unchanged under higher calcinations temperature
電阻值隨熱處理溫度的升高而下降,在300 ? 400左右時,電阻值下降很快,繼續升高熱處理溫度,電阻值減小趨勢變緩。The relationships among stress, strain, resistance and temperature of niti memory - wire and superelastic wire, which are in constant temperature, constant stress and shape recovery, were measured and analyzed. the actuating property of cu - based spring in three basic conditions was investigated
對niti記憶絲及超彈性絲在恆溫拉伸卸載、恆載變溫以及形狀回復過程中的應力-應變-電阻-溫度之間的關系進行了系統的測試和分析;對cu基螺旋彈簧在三種基本使用狀態下的驅動特性進行了研究。分享友人