熱電耦 的英文怎麼說
中文拼音 [rèdiànǒu]
熱電耦
英文
thermocouple-
In section one, by using fice scheme and time - gcm, a model of trace gases and oh airglow affected by gravity wave is set up, then the propagation of nonlinear gravity wave and the effect on trace gases and oh airglow are analyzed. the result shows gravity wave excited by tropospause forcing can propagate stably to the mesosphere through the stratosphere so that energy and momentum can be transferred from one region to another. in this process, gravity wave undergoes growth, overturning, convection and breaking
在第一部分的工作中,利用全隱歐拉格式和全球熱層-電離層-中間層-電動力學環流耦合模式( time - gcm ) ,對重力波的非線性傳播及其在傳播過程中對中高層大氣中氧族和氫族成分和與之密切相關的oh氣輝輻射的影響進行了數值模擬,結果表明,從對流層向上傳播的重力波經歷了產生、發展、飽和、對流產生直至破碎的非線性演化,大氣的非等溫結構加速了重力波在中層頂區的破碎,重力波的非線性傳播是小尺度對流和湍流產生的一個重要的源。Iv ) for the strong interfacial coupling, there exist three pyroelectric peaks in the temperature curve of pyroelectric coefficient, and with the decrease of the interfacial coupling, the number of the pyroelectric peaks will decrease gradually
我們還發現,較強的界面耦合導致熱電系數的溫度曲線上的三個熱電峰的出現;而界面耦合強度的減弱及鐵電超晶格尺寸的減少將導致某些熱電峰的消失。Standard specification for magnesium oxide and aluminum oxide powder and crushable insulators used in the manufacture of metal - sheathed platinum resistance thermometers, base metal thermocouples, and noble metal thermocouples
金屬外殼的鉑電阻溫度表基金屬熱電耦和貴金屬溫差熱電偶製造中使用的氧化鎂和氧化鋁粉末及壓扁絕緣子的標準規范Aiming at such problems in combustion system of homemade middle and miniature boiler, as a complex system with the character of dead zone, time variation, serious non - linearity, large time delay, coupling and a lot of disturbance, this paper presents a new set of optimal control resources. by using well - matched control method on system, stable automatic running is realized. having the serious divulgence coals difference a lot from each other in character, instability of chemistry, value of lowest emission of heat, home - made boiler controller is not at all ideal. instead of traditional model that controls the ratio based on proportional control or with the correct signal of the amount of oxygen, this paper, combined with intellect control theory - - fuzzy control and self - optimizing concept, propounded a kind of fuzzy self - optimizing controller to be used in air supplying system of the boiler, and expatiates on the idea of dividing the control process into two parts, dynamic and static to realize, thus meets the demand of homemade boiler economic running
本設計針對國產中、小型電站鍋爐燃燒系統參數時變、嚴重非線性、干擾因素復雜、耦合嚴重、模型不易確定的特點,提出多變量協調控制方案,解決了系統可控性差,難以實現穩定自動運行的問題;在此基礎上,改變以往以煙氣含氧量控制送風的傳統模式,針對國產電站鍋爐設備主體及一、二次送風迴路泄露嚴重,煤種混雜、成分不穩定、燃燒發熱值低、燃燒效率不高等問題,應用智能控制理論中的模糊控制技術,結合自尋最優控制的思想,設計了一種模糊自尋優控制器,應用在電站鍋爐送風控制系統上,並闡述了動靜態兩種實現途徑,通過在線優化風煤配比,實現最佳經濟燃燒,切實保障了鍋爐的經濟運行。Tantalum lithium ( litao3 ), a novel single crystal material, developed and industrialized with the development of communication and information industries recently, owns the excellent performances such as high mechanical - electrical coupling coefficient, lower wear - resistance, excellent high - temperature stability, excellent high - frequency capability, etc. however, researches on tantalum lithium single crystal wafer around world are still lacking
鉭酸鋰是近年來隨著通訊、信息產業迅速發展而開發並產業化的新型光電子材料。它具有機電耦合系數大、低損耗、高溫穩定性、高頻性能好等優良的壓電、電光和熱電性能。The signal sampling circuit fulfill the tasks of sampling signal and changing the double polarities signal to the single polarity signal ; the drive circuit receives the pwm signals from dsp and pass the signals to ipm through optical - couple devices ; the protective circuit safeguard the system against high current, high voltage, low voltage and high temperature on the ipm model
其中信號處理電路主要完成採集輸出電流和中間直流環節電壓信號,並對採集到的電流信號進行極性變換處理的功能;驅動電路接收dsp輸出的高頻驅動信號,通過耦合器件直接驅動ipm模塊;保護電路利用採集到電氣信號對整個系統實施保護,包括過電流、過電壓、欠電壓、 ipm模塊過熱等。It is found that the pyroelectric coefficient and susceptibility increase with the decrease of the magnitude of the long - range interaction and the interfacial coupling when the temperature is lower than the phase transition temperature
我們發現,在相變溫度以下,隨著雙層薄膜的界面耦合的減弱,鐵電雙層薄膜的熱電系數和介電極化率增加。We also find that the strong long - range interaction, the large transverse field and weak interfacial coupling can lead to the disappearance of some of the peaks of the pyroelectric coefficient and susceptibility of the ferroelectric bilayer. we believe that it is the reason why these phenomena always take place in the experimental studies
我們還發現,較強的長程相互作用,較大的橫場以及相對較弱的界面耦合作用將會導致鐵電雙層薄膜的熱電系數和介電極化率的某些峰消失,這可以用來解釋在實驗中常常觀測不到熱釋電系數和介電極化率的某些峰值的原因。The homogeneous state control equations with mechanic electric heat coupling effect of piezoelectric thermoelastic open shell is derived by uniting the static equilibrium equations, the charge displacement equilibrium equations and thermal flow equilibrium equations
依據此增維的本構關系,結合壓電熱彈性體平衡方程和熱平衡方程,成功地導出了壓電熱彈性體層合開口殼機、電、熱耦合問題的齊次狀態方程。The treatments simplifies greatly the solution programs which are often performed to solving non - homogeneous equation and second order differential equation on the thermal equilibrium and gradient relationship and the workload of numerical computation at same time
這類方法大大簡化了人們在分析壓電熱彈性體耦合問題時通常要求解的非齊次微分方程和關于溫度的平衡方程和導熱方程的二階微分方程的繁瑣方法,同時,齊次狀態方程的提出大大減少了數值計算的工作量。The paper establishes mathematics model of electromagnetic heating system of eddy current field and temperature field, and gives corresponding discrete format with elements as eight nodes, hexahedron equal cell, through calculating eddy - current field to gain the internal heat source that the temperature field needed, to use discrete method to solve the problem of induction - heating part ' s temperature field by axial symmetrical electromagnetic, and then to analyze the characteristic of instantaneous temperature field
本文建立了電磁加熱系統的渦流場和溫度場間接耦合的數學模型,分析了不同頻率下渦流和溫度的分佈情況,並以八節點六面體等參元為例給出了渦流場對應的離散格式,通過計算渦流場獲得溫度場所需要的內熱源強度,加熱部件的溫度場以軸對稱格式進行離散求解,並對瞬態溫度場有限單元法的求解特點進行了分析。Ii ) with the increase of the long - range interaction and the interfacial coupling, the pyroelectric coefficient before the phase transition temperature decreases
另外,隨著長程相互作用以及界面耦合強度的增強,相變溫度以下的熱電系數明顯減小。We obtain that i ) with the increase of the phonon - pseudospin interaction and the thickness of the superlattice, the phase transition temperature of the superlattice will increase. ii ) the increase of the phonon - pseudospin interaction leads to the change of the number of the pyroelectric peaks in the temperature curve of pyroelectric coefficient and to the change of the pyroelectric coefficient
研究發現,聲子與贗自旋的相互作用會影響鐵電超晶格熱電峰的數目以及熱電系數的溫度曲線的形態,而且聲子與贗自旋耦合作用的增強以及超晶格尺寸的增大都會使整個材料的相變溫度增加。The effects of the interfacial coupling and the thickness of one period on the pyroelectric properties of the superlartice are investigated by taking into account the long - range interaction
研究了長程相互作用對鐵電超晶格熱電性質的影響,並在考慮了長程相互作用的情況下,分別研究了界面耦合和尺寸效應對鐵電超晶格熱電性質的影響。In the present paper, according to the characteristics of the dynamic running of the thermoelectric refrigerating devices and its components for the refrigerator is analyzed and the independent components " models are established. the entire model describing the working procedure of the refrigerating system is set up with the method of parameters coupling to combine the models of the refrigerating system, load, cabinet and air in the cabinet. the running characteristics of thermoelectric refrigerators on the effects of received current, load and ambient temperature are investigated using small - signal linearization method
本文根據熱電製冷系統動態運行的特點,分析了電冰箱製冷系統及各個部件的熱物理過程,運用參數耦合的方法把製冷系統、負載、箱體及箱內空氣模型有機地結合在一起,建立了完整的製冷系統工作過程模型,用小階躍信號線性化法分析了電流、負載功率和環境溫度波動共同作用下的熱電製冷器工作特性。The growth temperature was 518 “ c, as probed by a profile thermocouple located inside the reactor
生長溫度在518c ,由位於反應腔下的熱電耦檢測。Measurement, control, regulation. electrical temperature sensors. isolating tubes for thermocouples
測量控制和調節.電氣溫度傳感器.熱電耦絕緣管Control technology - protective tubes and extension tubes for liquid - in - glass thermometers, dial thermometers, thermocouples and resistance thermometers - dimensions, materials, testing
控制技術.玻璃管液體溫度計度盤式溫度計熱電耦和Control technology - protective tubes and extention tubes for liquid - in - glass thermometers, dial thermometers, thermocouples and resistance thermometers - general review ; assignment protective tube thermometer
控制技術.玻璃管液體溫度計度盤式溫度計熱電耦和The theory and basic equations of piezothermoelectric elastic medium were established by analyzing the function mechanism of piezothermoelectric coupling field
分析熱壓電耦合場的作用機理,建立熱壓電彈性介質理論和基本方程。分享友人