熱反射器 的英文怎麼說
中文拼音 [rèfǎnshèqì]
熱反射器
英文
heat reflector-
Heat convected, a mode of motion developed by such combustion, was constantly and increasingly conveyed from the source of calorification to the liquid contained in the vessel, being radiated through the uneven unpolished dark surface of the metal iron, in part reflected, in part absorbed, in part transmitted, gradually raising the temperature of the water from normal to boiling point, a rise in temperature expressible as the result of an expenditure of 72 thermal units needed to raise i pound of water from 50 to 212 fahrenheit
燃燒所引起的運動形式之一-熱對流傳熱，不斷地加速度地從熱源體傳導給容器中的液體，由那凹凸不平未經打磨的黑色鑄鐵面把熱向周圍發散出去一部分反射回來，一部分被吸收，另一部分被傳導，使水的溫度從常溫逐漸升到沸點。這種溫度的上升可作為消費結果標志如下：將一磅水從華氏五十度加熱到二百十二度，需耗七十二熱量單位。It compute the parameter of deflexion caused by thermal distortion in orbit, deduce the general expression for spreading beam after thermal distortion of reflector and the center deflexion of facula received in ccd. with the method of fixing etc, it put forward the restrain measures adopted accordingly
計算了在軌運行條件下反射鏡面熱變形引起的表面法向偏轉參數，推導了鏡面變形后出射光線的通用表達式以及鏡面變形前後在ccd探測器上的接收光斑中心偏轉量的計算表達式。In this article, the current status of epithermal neutron beams in the world is reviewed and also the design and construction plan of the epithermal neutron beam at the tsing hua open - pool reactor is reported
本文將介紹世界各國在設計建造超熱中子照射管之現況，以及目前在國內清華水池式反應器建造超熱中子照射管之進展及計劃。Indium stannum oxide ( ito ) as semiconductor have caused a great deal of interest due to their prominent electro - optical behavior. ito has high prominent transmittance, high infrared reflectance, good electrical conductivity, ito applied as gas sensors, photovoltaic devices, heat reflecting mirrors, solar cells, flat panel displays, liquid crystal displays, electroluminescent, devices and organic light - emitting diodes ( oled ) etc. although preparations and applications of ito films have been studied deeply. nano - ito composites hardly studied
氧化銦錫（ ito ）是一種高簡並的n型半導體，由於具有導電性，可見光高透過率，紅外反射性，穩定的化學性，被廣泛應用於熱反射建築玻璃、抗靜電塗層，太陽能電池，熱發射鏡，平板顯示器和液晶顯示屏，傳感器，有機光致二級管（ oled ）等方面，國內外對高質量的ito薄膜的制備和應用進行了深入的研究，但是很少有ito納米粒子與高分子材料復合的報道。According to the demand of the concept design of china spallation neutron source ( csns ), the target station, i. e. the target, the reflector and the moderator have been simulated and optimized using monte carlo simulation software, nmtc / jam and mcnp4a, firstly. the neutron flux escaping from the target and the moderator and the heat deposition in the target, the reflector and the moderator are calculated. these results provided essential data as a basis of the spallation neutron source design
本論文結合當前中國散裂中子源（ chinaspallationneutronsource ， csns ）工程概念設計的迫切需要，選擇國際上廣泛使用的基於蒙特?卡羅方法，用於模擬粒子輸運過程的程序mcnp4a和nmtc jam作為研究工具，首次對csns靶站進行了全面的模擬與優化，內容包括靶、反射體與慢化器系統的中子通量分佈以及熱量沉積，同時計算了靶的溫度場與應力場分佈。At the initial stage of planar technique, b was employed as ideal diffusion impurity in base - region of npn si planar devices because of the match of its solid - solubility and diffusion coefficient in si with those of p in emission - region, and the good shield effect of sio2 film to b. but because of the relatively large solubility ( 5 1020 / cm3 at 1000 ) and the small diffusion coefficient, the linear slowly - changed distribution of acceptor b in pn junction can not be formed, which could not cater to the requirement of high - reversal - voltage devics. thereafter b - a1 paste - layer diffusion technology and close - tube ga - diffusion technology had been developed, while the former can lead to relatively large the base - region deviation and abruptly varied region in si, which caused severe decentralization of current amplification parameter, bad thermal stability and high tr ; the latter needed the relatively difficult pack technique, with poor repeatability, high rejection ratio, and poor diffusion quality and productio n efficiency
在平面工藝初期，由於b在硅中的固溶度、擴散系數與n型發射區的磷相匹配， sio _ 2對其又有良好的掩蔽作用，早被選為npn硅平面器件的理想基區擴散源，但b在硅中的固溶度大（ 1000時達到5 10 ~ （ 20 ） ，擴散系數小， b在硅中的雜質分佈不易形成pn結中雜質的線性緩變分佈，導致器件不能滿足高反壓的要求，隨之又出現了硼鋁塗層擴散工藝和閉管擴鎵工藝，前者會引起較大的基區偏差，雜質在硅內存在突變區域，導致放大系數分散嚴重，下降時間t _ f值較高，熱穩定性差；後者需要難度較大的真空封管技術，工藝重復性差，報廢率高，在擴散質量、生產效率諸方面均不能令人滿意。From the viewpoint of safety technology of chemical reaction with heat release. the technical causes of getting out of control of these reactors are analyzed. hazardous effects of the leakage of chemical reactants both on human and environment, and the existing problems in current safety technological measures are also discussed. the cooling method of jet vaporization based on the jet principle and the direct cooling by non - vaporized liquid are introduced. the development trends of the safety technology for chemical reactors are analyzed
從放熱化學反應的安全技術觀點出發，分析了放熱化學反應器失控的技術原因、化學反應物泄漏對人員和環境造成的危害、現有安全技術措施存在的問題；介紹了基於射流原理的噴射汽化和非汽化冷卻液體的直接冷卻方法；還展望了化學反應器安全技術的發展方向。Abstract : from the viewpoint of safety technology of chemical reaction with heat release. the technical causes of getting out of control of these reactors are analyzed. hazardous effects of the leakage of chemical reactants both on human and environment, and the existing problems in current safety technological measures are also discussed. the cooling method of jet vaporization based on the jet principle and the direct cooling by non - vaporized liquid are introduced. the development trends of the safety technology for chemical reactors are analyzed
文摘:從放熱化學反應的安全技術觀點出發，分析了放熱化學反應器失控的技術原因、化學反應物泄漏對人員和環境造成的危害、現有安全技術措施存在的問題；介紹了基於射流原理的噴射汽化和非汽化冷卻液體的直接冷卻方法；還展望了化學反應器安全技術的發展方向。The influences of the thermal deformation of resonator mirrors induced by absorption of laser energy on geometric structure parameters of unstable resonators and intensity distributions of the far field were theoretically analyzed using finite difference methods
摘要利用交替方向隱式有限差分法分析了高能激光器虛共焦非穩腔反射鏡的溫度場及熱變形的數值計算方法。The neutron flux extracted to different angles has been calculated. finally, the heat depositions in the target, the reflector and the moderator have been calculated. based on these results, the temperature and stress distribution hi tungsten target under different cooling condition have been calculated too
最後計算了靶、反射體以及不同慢化器（水、液態氫、液態甲烷）中的熱量沉積，並以此為依據，利用工程軟體ideas進一步計算了各種冷卻條件下，靶中溫度場與應力場分佈。In this article, constituting some the equations which reflect the flow law and building and applying many mathematical models of physical and chemical reactions in the the plasma ignition : applying k - two equations turbulence model to calculate the turbulence parameter supplying simplied reaction systerm model and applying eddy break - up model and p - i thermal radiation model. with these reasonable simplied modles, numerically simulating the flow field in the plasma ignition. during the numerical simulation, applying the body - fitted coordinates for the complex geometry of the computional field ; using the mixing format to disperse the equations ; applying simplec algorithm method to solve the equations ; using above models and methods, it can get flow field distribution ; including temperature, pressure, turbulent kinetic energy and its dissipation rate, turbulent viscosity, velocity, density. these results are significant to design and improve the plasma ignition
本文旨在通過構造反映等離子點火器內部流動規律的基本方程組，建立描述等離子點火器內部的復雜物理化學過程機制數學模型：模擬等離子發生器內部燃燒的-雙方程湍流流動模型；模擬氣體燃料在燃燒時中化學反應的簡單化學反應系統模型；模擬等離子點火器內部湍流預混燃燒的漩渦破碎模型；模擬等離子點火器高溫燃氣及其壁面的p - i輻射換熱的模型等等，對模型進行一定的合理的簡化，然後數值模擬等離子點火器內部流場的流動。A special clamp for etching optical fiber and depositing pd film on the fiber is designed. designed a encapsulation set of the characteristics that is dampproof, shake and eroding resisted. the experimental set - up for hydrogen sensing includes the light source, gas cell, mass flow controller, stainless steel helical tubing and the detector, etc. the experimental results are also discussed
本文還設計了一套光纖腐蝕用夾具、光纖封裝加熱夾具和一套光纖濺射鍍膜實驗夾具;設計並製作了一套具有防潮、抗震和抗腐蝕功效的光纖傳感頭封裝裝置;設計了一套由激光器、反應混合氣室、光功率計、質子流量計和流量控制器等組成的氫氣定標實驗裝置並對實驗數據進行了分析與處理。The work mainly consists of four parts : the first part is to use oxidation and lpcvd technique to produce sio2 mask film and si3n4 insulation film in order to enhance the heating efficiency of micro chamber, and guarantee the carry out of the reaction. the second part is to use the combination of dry etching and wet etching to produce reaction micro chamber, it is the container which carry out the pcr reaction, and dna sample carry out amplification reaction here. the third part is to use the sputtering, photolithography to produce heaters and temperature sensors which heat the reaction micro chamber and provide the temperature condition for the pcr reaction
首先，利用氧化工藝和lpcvd技術，生長sio _ 2掩膜層和si _ 3n _ 4絕緣層，以提高反應腔的熱效率，保證擴增反應的順利進行；其次，用濕法腐蝕和干法刻蝕相結合的方法加工微型腔體，使之作為dna樣品進行pcr擴增反應的容器；第三，用濺射、光刻等工藝在微型腔體底部製作微型加熱器和溫度傳感器，實現對反應腔體的加熱及其溫度的精確測量，提供pcr擴增反應所需的溫度條件。The experimental results show that the fiber phase conjugator can compensate for the beam distortion cased by thermal effects of amplifier and 60 % sbs reflectivity can be reached
實驗結果表明，光纖相位共軛鏡能很好補償放大器熱效應造成的光束畸變，在100hz時獲得近60的sbs反射率。Vco ’ s theory and parameters especially for the basic mechanism of phase noise are studied. the parasitic effects of rf - ic passive devices such as inductors and varactors and the design guidelines for the on - chip spiral inductors are included too. the accumulation - mode varactor, which has a higher quality factor value than the inversion - mode mos varactor, is studied in detail
研究電感和變容管這兩種射頻集成無源器件的寄生效應和射頻mos晶體管的熱噪聲模型，提出集成電感的設計原則和優化方法，詳細研究了一種新型的積累型mos可變電容，這種積累型mos變容管比一般的反型mos變容管有更高的品質因數。分享友人