熱敏器件 的英文怎麼說
中文拼音 [rèmǐnqìjiàn]
熱敏器件
英文
heat responsive device-
An initial measurement is carried out and the result shows that the bolometer is still sensitive to the infrared signal even the intensity of the signal source is very weak, if the bolometer is in a proper temperature
初步的測量表明,在最佳工作溫度點附近,器件對信號具有靈敏的響應。這就為器件的進一步測量和製作奠定了基礎,也為熱探測、熱成像等工作的進行提供了可能。Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping
本文的主要內容如下: 1 )對翅片管蒸發器結構特點進行分析,選取適當的微元控制體,就干、濕和霜工況下對每個微元分別進行傳熱傳質分析,基於經驗關系式確定霜的有關參數,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型,為系統模擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數模型進行分析和計算,為更好地描述製冷系統運行的全過程奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發器正常運行過程,運用動態分佈參數和參數間定量耦合的觀點來分析和計算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性; 4 )編寫翅片管蒸發器動態特性模擬計算程序,可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。Among the holy grails his team is chasing are a potential billionfold improvement in present - day calorimetry, which would allow observation of the individual heat quanta being exchanged as nanodevices cool, and a potential quadrillion - fold increase in the sensitivity of magnetic resonance imaging, which would enable complex biomolecules to be visualized with three - dimensional atomic resolution
他的團隊追求的聖杯之一,是讓現有量熱器靈敏10億倍,藉以量測奈米元件冷卻時釋放的一個個熱量子;另一個聖杯是靈敏千兆倍的磁共振成像,三維的解析度可達原子大小,藉以觀測復雜的生物分子。In a general way, the sensitive performance of gas sensor is closely relative to the working temperature. it is very easy for mems to integrate the gas sensitive element, the heater and temperature sensor together
氣體傳感器的敏感性能一般與工作溫度密切相關, mems技術很容易將氣敏元件和加熱元件、溫度探測元件製作在一起,保證了氣體傳感器的優良性能。General specifications for thermistors
熱敏電阻器通用技術條件It is proposed that the higher dose condition creates more hot carriers but the lower sensitivity to hot carrier effect. therefore, the optimum dose for reliability is determined from the trade - off between the above two aspects. finally, a simple model is proposed and discussed
本文還深入研究了sde區摻雜濃度對器件熱載流子可靠性的影響,指出濃度的提高雖然會產生更多的熱載流子,但由於其對熱載流子損傷的敏感度降低,因此將存在一種折衷,最後通過一個簡單的寄生電阻模型,對摻雜濃度提高后,器件對熱載流子損傷敏感度降低的現象做出了很好的解釋。On the base of thermal therapy and thermal dose principle, we have developed our thermal dosimeter which applies both computer and transducer technology
運用傳感器技術製作了微型熱電偶溫度傳感器,並根據敏感器件的工作原理,分析了這一關鍵元件的溫度特性。In order to improve bipolar power devices " reliability, propose not - uniform two - direction ballasting technology and overload - temperature defending technology with v - class thermistor film
為提高雙極功率器件的可靠性,提出了非均勻雙向鎮流技術和v系熱敏電阻過溫保護技術。Surface acoustic wave components, capacitors, emc filters, ntc thermistors, ptc thermistors, ferrites & accessories, inductors, microwave ceramics, arrestors, rf modules etc
聲表面波元件,電容器,電源濾波器,熱敏電阻,壓敏電阻,鐵氧體磁心與附件,電感器件,微波陶瓷元件,氣件放電管,射頻前羰模塊等等Abstract : a liquid level / temperature display alarming system consisting of transmitter, water column display alarming device, temperature sensing elements and temperature display device is introduced
文摘:介紹一種以變送器、液位光柱顯示報警儀、熱敏元件及溫度數顯儀組成的液位/溫度測量顯示報警系統。As umbirfpa is a new type of infrared detecting device, its work principle is complex and its performance is affected by many factors. in the initial stage of developing, the design experiment and theoretical understanding are little interiorly. furthermore, the problems such as sensitivity reduced, dynamic range shortened, nonuniformity increased come forth if umbirfpa is not designed properly
Umbirfpa是一種新型的紅外探測器件,微測輻射熱計的工作原理復雜,其性能受到很多因素的影響,目前國內尚處于發展初期,缺少實際的設計經驗和理論認識,同時umbirfpa又是在集成電路工藝線上生產的,投資大、周期長,如果設計不當,不僅可能導致靈敏< wp = 13 >度降低、動態范圍縮小、噪聲增大、非均勻性增大等問題,更可能的是根本就不能用於成像,從而造成很大損失。Compared with other materials, polymers have many advantages such as low cost, easy fabrication, better fixation to the sensing polymer film, and the potential for integrating with a to or eo modulator for a fine tuning of phase
與其它光波導材料相比,聚合物降低了材料及器件的制備成本;對聚合物敏感層具有相對更好的固定作用;有利於在傳感器上同時集成調制器(電光、熱光)進行相位微調。Electrical switchgear ; designation of connection at temperature sensitive devices in refrigerators and freezers
電器開關裝置.冷藏和冷凍設備中熱敏元件的連接標記There is a high precision anti - interference leakage detection sensor fitted in the enclosed oil chamber, and a thermosensitive element fitted in stator winding to carry out automatic protection of pump motor
該泵密封油室內設置有高精度抗干擾漏水檢測傳感器,定子繞組內預埋了熱敏元件,對水泵電機自動保護。According to the theory of boundary layer and the important of boundary - layer separation point detection of delta wing, the measuring principle and structure scheme of various system alternatives based on mems technology have been discussed, selecting the prototype of better workability. base on the master piece model of micro shear stress sensor
首先,結合空氣動力學的邊界層原理,針對三角翼邊界層分離點檢測在實現主動氣動控制方面的重要性,討論了光學式、電容式和熱敏式微型剪應力傳感器的測量原理和結構方案,選取適合加工條件的微型剪應力傳感器樣件。Specification for harmonized system of quality assessment for electronic components - blank detail specification : directly heated negative temperature coefficient thermistors beads in solid glass or vitreous enamel
電子元器件質量評定協調體系規范.空白詳細規范:直接加熱負溫度系數熱敏電阻Specification for harmonized system of quality assessment for electronic components - blank detail specification : directly heated negative temperature coefficient thermistors beads in envelopes
電子元器件質量評定協調體系規范.空白詳細規范:直接加熱負溫度系數熱敏電阻Thermistors directly heated positive step - function temperature coefficient part 1 - 2 : blank detail specification heating element application assessment level ez
直熱式階躍型正溫度系數熱敏電阻器第1 - 2部分:加熱元件用空白詳細規范評定水平ezPtc heater uses the ptc heating sensitive resistance as the heating source. it is widely use in the air - conditioner, warm drier and warmer etc. as the secondary heating. the resistance value of the ptc heater will rise or reduce with the change of the environment temperature as it makes the ptc heater has the features of energy saving, even heating, safe and long life. it is widely welcomed by a lot of customers
Ptc加熱器是採用ptc熱敏電阻元件為發熱源的一種加熱器,廣泛用於空調器的輔助加熱和暖風機取暖器等電氣設備上, ptc熱敏電阻元件因具有隨環境溫度高低的變化,其電阻值隨之增加或減小的變化特性,所以ptc加熱器具有節能恆溫安全壽命長等特點,被越來越多的用戶所歡迎。Compared with the common inertial devices, they offer significant practical advantages. thermal optimization of the micromachined convective accelerometer was theoretically conducted and experimentally tested. the effects of sensor position, cavity size, operating power and gas media on the sensitivity, linearity and response frequency of the convective accelerometer were numerically analyzed
採用數值模擬和實驗相結合的方法對熱對流加速度計進行了優化分析,研究了溫度傳感器的位置、器件尺寸、加熱絲的加熱功率和工作氣體種類對加速度計的靈敏度、線性度和響應頻率的影響。分享友人