氣體傳導 的英文怎麼說
中文拼音 [qìtǐzhuàndǎo]
氣體傳導
英文
gaseous conductance-
At the same time, the paper puts forward the design projects of each part of the transmission system, explains design thoughts of several parts, such as the ballscrew, aerostatic guide, connection of ballscrew and aerostatic guide
同時，對傳動系統各個傳動環節也提出了具體的結構設計方案，解釋了滾珠絲杠副、空氣靜壓導軌、絲杠導軌連接等多個傳動環節結構設計的具體思路。This paper deriving the theory work inflection point in the static stage characteristics curve of small measurement range linear dimension measurement. by the way of high pressure and back pressure pneumatic measure and designed the parameter of the mainly and measure spray head, which are the key component in the spray head - baffle pneumatic sensor. the different groups for the main - spray head and the measure spray head, will effect the dynamic and static stage characteristic parameter. the author have done contrast experiment and optimization design to test and verify the theory derivation whereby made the rang of show valve of pneumatic measure system measure range up to 40 u m, the sensitivity up to 100mv / u m, resolution up to 0. 05 p m, the uncertainly of measure is less than 0. o2 u m, satisfaction of requirement of groups the carboy hatch thickness size precise measure of soft shims
對高壓背壓式氣動測量用於小量程線性尺寸測量的靜態特性曲線的理論工作拐點進行了推導，對氣動測量系統中的噴嘴-擋板型氣動傳感器中的關鍵部件? ?主噴嘴和測量噴嘴的參數進行了理論設計，對主噴嘴和測量噴嘴的不同組合，將影響測量系統靜、動態特性指標的噴嘴參數進行了對比實驗和優化設計，並通過實驗驗證了理論推導，從而使氣動測量系統量程的示值范圍達到40 m ，靈敏度達到100mv m ，解析度達到0 . 05 m ，測量不確定度小於0 . 2 m ，滿足了壓縮機缸蓋軟體墊片厚度尺寸精密測量分組的要求。Thermal conductivity varies for different gases.
熱傳導率因不同氣體而異。This sensor in this paper is based on the characteristic absorption spectrum of acetylene to detect acetylene content and utilizes the optical waveguide all through the process, so it has the intrinsic anti - explosion function, fast response time and good repeatability
本文研製的吸收型光纖乙炔傳感器是利用乙炔氣體的特徵吸收峰來在線檢測乙炔氣體的含量的，且整個過程利用的是光波導，因此它有本質防爆功能。在檢測乙炔時該傳感器響應快、重復性好。According to gaseous " molecular kinetic, the mass diffusion rate is within finite value. so theoretical conclusion of mass flux ' s producing and the essential relation of flux vs. force could be drawn. with the assumption that local density states in near equilibrium and the distribution is gradual changed, the classical first pick ' s law was modified considering mass relaxation time
根據氣體分子運動論對質量傳播速度為有限值情況下的質量流的產生及流與力之間的本構關系作了理論推導，在假定局域濃度處于近平衡態，其分佈為漸進的情況下得到了考慮質量鬆弛作用的經典fick第一定律的修正式。Therefore it is urgent to research and develop a rapid, easy and non - destructive way to detect fish freshness by using gas sensor
半導體金屬氧化物wo3用作電導型氣敏材料已經為人們所熟悉，但用它來檢測三甲胺（ tma ）氣體製作魚鮮度傳感器的研究還處于起步階段。The research results show that the radius of the gas channels and the electronic conductivity in carbon phase of the reaction layer, and the porosity of the gas diffusion layer are relatively less important
研究結果表明氣體擴散層孔隙率，反應層氣體通道的半徑以及碳相中電子傳導率等參數的變化對電極性能影響不大。Test for micro air pressure semiconductor sensor based on micro - hotplate
微加熱板式半導體微氣壓傳感器的測試In this paper, high heat penetration into a moving particulate bed is described mathematically with a comprehensive heat and mass transfer model. the distribution of gas velocity and pressure, the temperature field of gas and solid in the moving particulate bed are examined for different conditions. the results show that thermal penetration into the moving packed - bed particles by fluid flow in porous media is high only in the position near the gas entrance. the thermal penetration thickness tends to increase with the fluid flow velocity and decrease with the particle moving velocity. in the region of thermal penetration, the porosity of solid bed has significant effect on gas field and pressure loss. it is feasible to reduce the gas pressure loss by a larger width / height packed bed in design and operation. the correspondence between thermal infection depth and particle bed height would be helpful to keep high oapacity of reactor and reduce the cost of operation
針對移動顆粒床中物料層內的高溫氣體滲流傳熱現象，考慮滲流與傳熱的相互作用，採用局部非熱平衡假設建立了多孔介質滲流傳熱物理數學模型並進行了數值計算.研究了不同情況下床內填充多孔介質中的流速、氣固溫度和床層壓力損失.計算結果表明，高溫熱氣對移動床顆粒料層的熱滲透主要發生在滲流入口端區域，增大入口滲流速度以及減小床層物料下移速度將導致物料溫度沿床高慢速下降，熱滲透深度擴大，熱滲透作用區域內的物料溫度水平提高.在熱滲透作用區域，孔隙率對流場和壓力損失有很大的影響.研究結果對于移動顆粒床反應器的設計與運行具有一定的參考作用The wo3 based gas sensor is based on hall effect
摘要利用霍耳效應成功地研製了wo3月半導體氣敏傳感器。We also ensure public safety in all major e & m areas, administering the legislation and issuing codes of practice and guidelines on the safe use of electricity, gas, lifts and escalators as well as in such diverse areas as amusement rides, aerial ropeways and the peak tramway among others. our energy efficiency office is also actively involved in a number of programmes and initiatives to promote the wise and efficient use of energy in hong kong
我們並負責執行法例，就使用電力、氣體、升降機及自動梯，以至機動游戲機、架空纜車及山頂纜車等制訂實務守則及指引，以保障主要機電設施操作范圍內公眾的安全。此外，我們的能源效益事務處更積極倡導各類計劃及參與連串宣傳活動，藉以提高本港市民有效使用能源的意識。Thermal conductivity gas transducer sensor
熱導式氣體傳感器Standard test method for determination of hydrogen in titanium and titanium alloys by the inert gas fusion thermal conductivity infrared detection method
惰性氣體熔解熱傳導紅外檢測法測定鈦和鈦合金中氫的標準試驗方法The electronic - ceramic capacitive - type sensor for coi is based on the nanometer and semiconductor theories. according to the mechanism of the gas surface absorbing actions and the mechanism of grain boundary effect of semiconductors, the capacitance of the sensor can be changed with the variation of co2 concentration
Co _ 2氣敏陶瓷電容型傳感器將納米理論和半導化理論引入了傳感器的研製過程中，這種傳感器通過氣體表面吸附，及在半導體介質的晶界層產生的晶界效應，使得不同濃度co _ 2氣體產生不同的電容值。5. in response to heat conduction test, air heat - insulation course is proved to work well, it reduces temperature difference of tank walls greatly and prevents cracks effectively
進行了罐體熱傳導試驗，證明了空氣隔熱層具有令人滿意的效果，大大降低了罐壁溫差，有效預防了溫度裂縫的發生。Abstract : by using the 3 - d unsteady state heat transfer equation, the heat convection and radiation between the checker and the gas which flows through the checker holes, and the heat conduction among the checker in the chamber of the hot blast stove were studied. the time dependable gas temperature and the temperature distributions within the checker were obtained
文摘:應用三維非穩態熱量傳輸方程，對高爐熱風爐在燃燒過程中蓄熱室內格子磚與氣體之間的對流和輻射傳熱，以及格子磚內部的導熱過程進行了耦合求解.得到了在燃燒期內格子磚及燃燒過程中燃燒廢氣的溫度分佈情況及其隨時間的變化規律Organic semiconductor gas transducer sensor
有機半導體氣體傳感器Gas - sensing technology, which employs laser diode ( ld ) and light emitted diode ( led ) as light resource, has multitude advantages over traditional approaches, such as high sensitivity, multiple selection, wide dynamic range, good signal to noise ratio and quick response time
以半導體激光器或發光二極體作為光源的氣體傳感技術在靈敏度、選擇性、動態范圍、信噪比和響應時間等方面比傳統方法具有諸多優點。The progress in sensing mechanism of semiconductor gas sensors
半導體氣體傳感器敏感機理的研究進展As a kind of organic semiconductor, metallophthalocyanines ( mpc ) has been widely applied in many fields such as photoconductor, electroluminescences devices, non - linear optics devices, gas sensors, and solar cells, etc. the band structures of mpcs can feasibly be changed on purpose by kinds of methods
酞菁類金屬配合物作為一種有機功能材料，在光電導器件、電致發光器件、非線性光學器件、氣體傳感器、太陽能電池等眾多領域得到廣泛應用。分享友人