阻溫度變化 的英文怎麼說
中文拼音 [zǔwēndùbiànhuà]
阻溫度變化
英文
tvr temperature variation of resistance-
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 results showed that : there were five stages in the rising process of the internal temperature of untreated, fire - retardant solution soaked, and fire - proof paint coated wood during the fire ; the carbonization rate of wood decreased by 21. 1 % ~ 35. 6 % and the rising speed of internal temperature also declined greatly when wood was soaked in fire - retardant solution or coated with fireproof paint ; the carbonization rate of white pine was 8. 5 % ~ 17. 4 % higher than that of the northeast china ash ; for untreated wood, the carbonization rate in tangential direction was 5. 8 % ~ 10. 5 % higher than that in radial direction ; the internal temperature of wood varies with the developing direction of combustion
結果表明:火災發生過程中未處理木材、阻燃浸漬處理和塗刷防火徐料木材內部溫度上升過程出現5個階段;經過阻燃浸漬處理和塗刷防火塗料后,木材的燃燒炭化速度降低了21 . 1 % ~ 35 . 6 % ,內部溫度上升速度大幅度下降;白皮松木材的燃燒炭化速度比水曲柳木材的燃燒炭化速度快8 . 5 % ~ 17 . 4 % ;未處理木材沿弦向的燃燒炭化速度比徑向快5 . 8 % ~ 10 . 5 % ;木材內部的溫度變化沿燃燒推進方向不同而不同。The interior size and the calorific capacity of the borehole are much smaller, moreover the temperature change is slow, so usually we can neglect the influence of calorific capacity but to consider according to the heat transfer in steady state process, thus we can establish one - dimensional and the two - dimensional thermal resistance model in the borehole
而在鉆孔內部,包括回填材料,管壁和管內傳熱介質,與鉆孔外的傳熱過程相比較,由於其幾何尺寸和熱容量要小得多,而且溫度變化較為緩慢,因此通常可以忽略其熱容量的影響而按穩態傳熱過程來考慮,建立了鉆孔內的一維和二維的熱阻模型。Sheathed resistance and integral temperature transmitter
鎧裝熱電阻及一體化溫度變送器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 。Of the currently available coolers for electronic products with a high heat flux, microchannel heat sinks have been proved to be able to provide the best heat transfer performance and are one of the most promising coolers. the manifold microchannel ( mmc ) heat sink has many advantages such as low thermal resistance, compact structure, little amount of coolant, low flow rate, uniform temperature distribution along the flow direction and many others, so it is able to provide the best heat transfer performance : lowering the maxmal temperature and the temperature difference
在目前高熱通量電子產品冷卻器中,微通道熱沉已被證實是傳熱性能最佳且最具應用潛力的冷卻方式之一,而歧管式微通道熱沉因具有低熱阻、結構緊湊、所需冷卻液量小、沿流動方向溫度分佈均勻等優點則成為減小電子元器件換熱表面最高溫度、降低溫度變化的一種有效方法。Influence of parallel plate temperature on flame quenching
平板阻火單元溫度變化對火焰淬熄的影響Ftir, thermal conductivity device and smart digital rounding temperature testing device are used to test the infrared absorption spectrum, thermal conductivity and temperature changes of the title coatings, it is concluded that when hudrotalcite and magnesium sulfate is mixed by 4 to 10, the heat insulation property is the best, and the temperature changes of nizi increased by 5 approximately compared with those without hydrotalcite and magnesium sulfate compound system, but the heat conduction coefficient is hardly increased because of the different mechanism of heat insulation of the fillers, which further prove that heat insulation with fillers is based on infrared barrier
本文使用傅里葉變換紅外光譜儀、導熱系數儀和智能數字式巡迴檢測溫度測試儀分別測試了添加具有紅外阻隔能力填料的內墻塗料的紅外吸收光譜、導熱系數和溫度變化情況,通過測試結果得出結論:水滑石和硫酸鎂在質量比為4 : 10的時候,紅外阻隔性能最優,其溫差變化較沒有添加水滑石硫酸鎂復合體系時提高5左右,而對內墻塗料的導熱系數幾乎沒有影響,這是由於填料對塗料的保溫機理不同所致,同時也進一步驗證了填料是通過紅外阻隔來達到保溫效果的。Firstly, the temperature varies in a large range in the place where the gap sensor works, so this paper analyzes the temperature drift of gap sensor, and finds out that the main reasons which result in temperature drift are the resistance of detecting coil and demodulating circuit parameters. to resolve this problem, a practical design of detecting coil is given, and a compensative measure considering the detecting coil and demodulation circuit is proposed to improve the temperature stability of gap sensor
首先,針對間隙傳感器工作環境溫度變化較大的情況,本文對間隙傳感器溫度漂移現象進行了分析,認為檢測線圈電阻和檢波電路參數變化是造成傳感器溫漂的主要原因,建立了檢測線圈的數學模型,提出了檢測線圈和檢波電路綜合補償方法,解決了間隙傳感器的輸出信號溫度穩定性的問題。The main work can be summed up as follows : firstly, we studied the thermal - field properties of vcsels, and analyzed the influences of current spreading, material parameters and operating conditions on the temperature distributions. secondly, we began with the electrode voltage and calculated the equipotential s distributions, compared the distributions of voltages and current densities in different depths of vcsels, and then studied the influences of the oxide - confining region with different position or thickness, and the different sizes of the gain - guided aperture and emitting window on the distributions of the injected current density, carrier concentration and temperature in the active region. thirdly, we realized the coupling of electricity, optical and thermal - fields, worked out the threshold voltage, calculated the distributions of the injected current density, carrier concentration and temperature under different offset voltages, and analyzed the impacts of temperature profile and carrier density on the refractive index, fermi levels and optical - field
具體工作可以概括如下:首先,研究了vcsel的熱場特性,分析了電流擴展,材料參數和工作條件對于溫度分佈的影響;其次,從電極電壓入手,計算出激光器中的等勢線分佈,並對不同深度處的電壓和電流分佈進行比較,研究了高阻區的不同位置和不同厚度、限制層和出射窗口半徑的大小對電流密度、載流子濃度和溫度分佈的影響;再次,實現了電、光、熱耦合,求出了閾值電壓,計算了不同偏置電壓下的電流密度分佈、載流子濃度分佈和熱場分佈,分析了溫度和載流子濃度變化對折射率、費米能級和光場的影響;最後,給出了考慮n - dbr和雙氧化限制層時激光器中的等勢線分佈,分析了n - dbr和雙氧化限制層對vcsel電流密度、載流子濃度、溫度和光場分佈的影響。We have many industry automize instruments such as temperature transmitter ( integrate temperature transmitter module ( double temperature transmitter module ), integrate temperature transmitter, track isolation temperature transmitter, hanging temperature transmitter, pressure transmitter ( expanding silicon pressure transmitter, sapphire pressure transmitter, spraying ( metal slim film ) pressure transmitter, strain pressure transmitter, ceramic resistor, capacitance pressure transmitter, 1151 and 3151 series pressure transmitter, fluid location transmitter module ( specializing for fluid location meter ), collocated electricity meter ( sigle round, double round ), signal isolation ( single round, double round ), transducer ( temperature, pressure ), display head ( showing 100 % scale, lcd fluid crystal, led digital display ), numerical instrument and so on
產品有溫度變送器(一體化溫度變送器模塊(雙支溫變模塊) 、一體化溫度變送器、導軌式隔離溫度變送器、壁掛式溫度變送器、架裝式溫度變送器) 、壓力變送器(擴散硅壓力變送器、藍寶石壓力變送器、濺射式(金屬薄膜)壓力變送器、應變式壓力變送器、陶瓷電阻、電容壓力變送器、 1151 、 3151系列壓力變送器) 、液位變送器模塊(專為液位計廠配套) 、配電器(單迴路、雙迴路) 、信號隔離器(單迴路、雙迴路) 、傳感器(溫度、壓力) 、配變送器的顯示表頭( 100刻度顯示、 lcd液晶顯示、 led數碼顯示) 、數字儀表等工業自動化儀器儀表。Standard test method for change of resistance with temperature of high resistance alloys for electrical heating
高電阻電熱合金電阻隨溫度變化試驗方法This paper offers a method that can avoid the incorrect or rough methods mostly accepted now, and this method considers the temperature change along pipeline, the difference of friction loss in turbulence zone and the throttle effect in cross - section of reduced pipe
針對現有的靜態模擬演算法存在的錯誤和不足,提出了一種更為精確的模擬演算法,該演算法除考慮了管道沿線的溫度變化、處于不同的紊流區摩阻損失的大小不同之外,還考慮了變徑管道在變截面處存在節流效應等問題。Series for sheathed thermal resistance with thermowell and integral temperature transmitter
- wzpk系列鎧裝熱電阻帶套管及一體化溫度變送器5. manganin thin films with low temperature coefficient of resistance were prepared by magnetron sputtering. the changes of tcr under difference deposition and heat treatment conditions were studied
首次採用磁控濺射法沉積了低電阻溫度系數的錳銅薄膜,研究了在不同電子科技大學博士學位論文沉積及熱處理條件下薄膜tcr的變化。Pbo - b _ 2o _ 3 - sio _ 2 glass reacts with bismuth ruthenate and lead ruthenate is produced as transition layer. the transition layer can make the interface gradually change and the properties of resistors are improved at the same time. based on the study above, the way to get series of pastes was developed
鉛硼硅玻璃粉體平均粒徑對厚膜電阻的性能影響有一極值點,約為1 . 51 m ,在該點處膜層的方阻值最小,電阻溫度系數絕對值最小,重燒變化率最接近零值。Comparing to the influence of the bias, the variation of the giant - magnetoresistance induced by change of temperature is smaller. it becomes important only in the situation when the variation of temperature is large
與偏壓的影響相比,溫度的改變所引起的巨磁電阻的變化相對較小,只有在溫度變化較大時才有顯著的影響。When the content of nife _ ( 2 ) o _ ( 4 ) reaches to 30 %, the maximum mr value gets to - 6 % at the temperature from 310k to 340k, and the resistivity ranges from 1354 to 646 cm, where applied magnetic field is 1. 8t. it is interesting that the mr value is negative which is different from that of the usual material ; 4. with the decreasing of sr contents, the resistivity of composite samples ( nd _ ( 1 - x ) sr _ ( x ) mno _ ( 3 ) ) _ ( 0. 7 ) / ( nife _ ( 2 ) o _ ( 4 ) ) _ ( 0. 3 ) changes apparently, at the same time, the mr gets worse ; 5
3系列復合樣品的電阻率顯著變化,同時磁電阻性能逐漸變差; 5 .隨著cu含量的增大,伽嘶67sr033mnl一uyo3 ) 07 /困ifezo4 ) 03系列復合樣品的電阻率顯著變化,同時磁電阻性能得到明顯改善,當cu含量增大到y = 0 . 2時,樣品磁電阻值在293k到317k較寬的溫度范圍內基本保持在一13 . 6 % ,隨溫度變化很小,由於該溫區恰好在室溫范圍且溫區寬,因而具有很好的潛在應用價值。In the same way, the ncz silicon with nitrogen - oxygen complexes was annealed by rtf at range of 750 - 950 ? for different time to detect the change in resistivity. we found that nitrogen - oxygen complexes were annihilated with less time and lower temperature than conventional annealing method
同樣,我們將650oc , zh處理生成氮氧復合體的微氮矽片在750 950c范圍內進行不等時的rtp處理,觀察電阻率的變化,確定了最佳的氮氧復合體消除溫度和時間。The passing - obstructing effect of topography was obviously showed in the distribution of summer temperature over nu - valley and lancang - valley ; such effect was only obvious on the spatial change of summer temperature around northwest part of lrgr, but was not obvious in the other region
地形對怒江、瀾滄江流域夏季溫度空間分佈的「通道阻隔」作用較明顯;對夏季溫度變化的「通道阻隔」作用則在縱向嶺谷西北部地區最明顯,但其餘地區地形的作用則相對較弱。分享友人