熱分子壓力 的英文怎麼說
中文拼音 [rèfēnziyālì]
熱分子壓力
英文
thermomolecular pre ure-
When the design pressure of the reactor / regenerator is less than or equal to the design pressure of the main fractionator, or there is some absolute mechanical limit to the regenerator pressure ( plus the static head difference between the regenerator and reactor ) that is less than the main fractionator design pressure, the units do not need large relief valves on the main fractionator
當所設計反應器或交流熱換器的壓力小於或等於主分餾器,又或者有些機械上無可避免的限制(還有就是兩靜電頭的不同)小於交流熱換器的壓力,其時整個部件就不需要大的調劑電子管了。( 2 ) the emission spectra of laser ablation metal copper plasma were measured. the detailed mechanism of plume emission of cu plasma was qualitatively explained using a simple model based on excitation of atom and ion in plume arising from inelastic collision between the elemental species and electron with high kinetic energy. under the local thermal equilibrium model, the electronic temperature of copper plasma was deduced to be in the 104 scale by its emission lines
( 2 ) cu等離子體光譜:在420 570nm波長范圍內觀測了激光燒蝕cu等離子體的光譜和各發射譜線在等離子體中的空間分佈;比較了激光能量對cu等離子體發射光譜、電子溫度的影響;用局部熱力學平衡( lte )近似,測得cu等離子體的電子溫度為104k數量級;在不同背景氣壓下,觀測了激光燒蝕cu等離子體光譜的空間分佈。A nonlinear mathematical model is developed to determine the flow rate distribution in the parallel tubes of boiler superheater and reheater by depending on the relation of pressure drop among individual tubes and accounting for the static pressure variations in the inlet and outlet headers
根據並聯管組各根管子進、出口壓力降之間的關系,並考慮到分配集箱與匯集集箱中流體的靜壓變化,建立了鍋爐過熱器、再熱器流量分配的非線性數學模型。The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade
葉片內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題,本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上,建立了三維、可壓縮紊流的物理模型,得到了通用的求解辦法;利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何模型,計算了冷卻空氣通過這幾種通道時的流動與換熱情況,得到了各種不同情況下計算區域的溫度場、壓力場、速度場;在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響,並整理得到了各種通道形式下,努謝爾數和阻力因子與雷諾數的函數關系;本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果,通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較,表明了這種新型鮚構的優勢,對于葉片內部通道冷卻結構的設計可以起到指導的作用。The reflected light spectrum from interaction of uv laser with solid plasma was measured to investigate the frequency shift due to doppler effect of expanding critical density
測量了紫外超短脈沖激光等離子體中的光譜頻移,分析表明是有質動力和等離子體熱壓力共同作用的結果。This paper analyzes the percolation mechanism and characteristics of gas under low - velocity percolation state in terms of slippage effect and threshold pressure effect by using molecular dynamics, thermodynamics and percolation mechanics in order to understand the practical reason of low - velocity non - darcy percolation
摘要為明確氣體在低速滲流狀態下的滲流規律以及產生低速非達西滲流的實質性原因,運用分子動力學、熱力學和滲流力學等相關知識,基於滑脫效應和閾壓效應兩方面分析了氣體在低速滲流狀態下的滲流機理及滲流特徵。Microstructure of the composite layer was analyzed with help of optical microscope, scanning electronic microscope ( sem ), electronic probe microanalysis ( epma ) and x - ray diffraction ( xrd ). the compacting of the billet and the forming mechanism of the carbide reinforcement were studied based on thermodynamics and kinetics of reaction, sintering theory and the result of dta. at the same time, the wear - resistance of the composite layer was studied under condition of dry sliding friction
利用光學顯微鏡、掃描電子顯微鏡、電子探針以及x -射線衍射儀,分析了表面復合層的基體組織結構;運用反應熱力學、動力學、粉末燒結理論和燃燒合成理論,結合差熱分析結果,探討了表面復合層壓坯的燒結緻密化原理和碳化物增強相的形成機理;利用坯塊在真空燒結爐不同溫度下的燒結出來的顯微組織分析,模擬出坯塊的燒結過程中的化學反應過程。The precondition of establishing mathematics model of torpedo turbine system in design condition is to fulfill the external conditions ( such as torpedo sailing speed and depth etc. ) and inner conditions ( such as turbine power and efficiency etc. ). after establishing mathematics model of torpedo turbine system in design condition, we compiled simulation program to compute all kinds of inner parameters of turbine engine include engine type, principal layout of turbine, inner structure of turbine and state parameters of gases
首先分析設計工況時渦輪機動力系統,在滿足魚雷動力系統的各項外部條件(如魚雷航深、航速等)和內部條件(如渦輪機功率、效率,燃燒室壓力、溫度,轉子機械強度等)的前提下,建立起設計工況渦輪發動機的數學模型,編程計算並確定渦輪機內部機械結構和燃氣熱力學狀態各參數。05. 01 molecular weight of hydrocarbons by thermoelectric measurement of vapor pressure, method of test for
用蒸氣壓力的熱電測量法測定烴類分子重量的試驗方法Standard test method for relative molecular mass molecular weight of hydrocarbons by thermoelectric measurement of vapor pressure
蒸氣壓力熱電測量法測定烴類相對分子質量Which is very dim and hence very difficult to find. if it is massive enough though model dependent, the lower mass limit is about 0. 1 solar mass, the gas in the protostar continues to heat up until the central portion becomes hot and dense enough for, say, the hydrogen nuclei to overcome their mutual electrical repulsion. nuclear fusion will then take place and a star is finally born
如果原行星質量足夠大下限約為0 . 1個太陽質量,要注意的是,不同的理論模型會給出不同的下限,原恆星會不斷變熱,直至核心部分足夠熱和高壓,令氫原子核克服質子間的電排斥力,產生核聚變,成為一顆真正的恆星。The author ' s main contributions are outlined as following : first, the roles of hot electron and hole in dielectric breakdown of ultra - thin gate oxides have been quantitatively investigated by separately controlling the amounts of hot electron and hot hole injection using substrate hot hole ( shh ) injection method. the changes of threshold voltage have been discussed under different stress conditions
主要研究結果如下:首先,利用襯底熱空穴( shh )注入技術分別控制注入到超薄柵氧化層中的熱電子和空穴的數量,定量研究了熱電子和空穴注入對超薄柵氧化層擊穿的影響,討論了不同應力條件下的閾值電壓變化。As a result, we focus on applications of spr and qcm biosensors for high - throughput screening and the acquisition of thermodynamic and kinetic parameters of different biding systems in this article
本文中,筆者針對表面電漿共振與壓電石英微天秤在小分子藥物活性篩選、動力學及熱力學參數的求測來進行探討。In this paper, the author will take the qibei area ad the example and from the point of to describe the oil generation, migration and accurmulation characteristics in superpressure condition
壓力對烴源巖中乾酪根的熱降解有阻滯作用,壓力升高不僅使乾酪根的化學鍵更穩定且不宜斷裂,還使乾酪根分子與烴源巖礦物結合更加牢固。The samples were characterized contrastively by sem, tem, saed, positron annihilate and the different mechanism for two methods were preliminarily discussed. the experimental results showed that nano - cuo prepared by sol - gel method was spherical, which was agglomerated badly and can aging easily. however, nano - cuo prepared by pressure - hydrothermal method has loose and thin - piece appearance structure
結果表明,溶膠-凝膠法制得的氧化銅粉末呈類球形,團聚嚴重,易老化;而壓力-熱液法制得的氧化銅具有疏鬆的、薄片狀的外觀結構,粒子厚度約為20nm ,分散性較好、抗老化能力強;壓力-熱液法制備的氧化銅比溶膠-凝膠法制備的氧化銅缺陷濃度小。( 2 ). the cyclic isotherms study of behenic acid and dppc surfactants we investigate the cyclic isotherms of behenic acid and dppc monolayer at different surface pressures, based on the existing theory, we discuss the standard free energy of the system on aggregation of the cyclic isotherms
( 2 )純水亞相上二十二酸、 dppc循環曲線研究河南大學凝聚態物理專業2001級碩士學位論文摘要二十二酸、 dppc單分子膜循環曲線進行了實驗研究,對二十二酸、 dppc在不同壓力處單分子膜循環曲線進行系統研究,並在現有一些理論模型基礎上對其成膜過程分子聚集狀態和熱力學特徵進行了理論探討。The effects of the monolayer - formation conditions on the monolayer behavior, including the phase structure ( molecular packing ), intermolecular interactions, stability, and so on, were discussed. based on the theory model we study low molecule weight surfactant ( behenic acid ) and phospholipid monolayer and the cyclic isotherms of their mono layers ; including the standard thermodynamic characteristics and aggregation of the cyclic isotherms
從力學性質著手,我們討論了成膜條件對相態結構(分子排列) 、分子間作用力、穩定性等物理化學性質的影響;在此基礎上,利用現有的理論模型討論小分子化合物(二十二酸)及其磷脂分子壓縮、擴張過程分子聚集、擴散機理及其熱力學問題。In this paper, an experimental investigation of the removal of volatile organic compounds ( voc ) from dilute aqueous solutions was presented by vacuum membrane distillation ( vmd ). experiments were carried out using aqueous mixtures of ethanol with hollow fiber module. the influences of operating variables such as feed concentration, flow rate, temperature and downstream pressure on the flux and separation factor were investigated
本文對膜蒸餾脫除水溶液中的揮發性有機化合物( voc )進行了試驗研究;文中以乙醇水溶液為研究對象,採用真空膜蒸餾法,膜材料為中空纖維膜,研究膜通量及分離因子與原料液的溫度、濃度、流速,冷側壓力的關系,並對真空膜蒸餾的傳熱傳質機理進行了初步探討。The relationship of the heat transfer coefficient with tea liquid concentration, heat transfer different temperature, vapor temperature, liquid flow rate, particle volume percent and different particle were studied. and analyzed the effect of liquid flow rate, particle volume percent on pressure drop. based on the character of inert particle fluidized bed evaporator, used the theorem, a mathematical model of inert particle fluidized bed evaporator heat transfer was proposed
設計和建立了惰性粒子流化床蒸發實驗裝置,進行了傳熱性能和流體力學的理論分析和實驗研究;研究了物料濃度c _ e 、傳熱溫差t 、蒸發溫度t _ v 、液體流量i 、惰性粒子體積分率_ s等操作參數對流化床蒸發器傳熱性能的影響,文中還分析了液體流量i 、惰性粒子體積分率_ s等參數對床層壓力降的影響。However, whether the conclusion could be applicable to porous samples with larger porosities needs to be further verified by experiments. in brief, this work has used shock wave experimental, thermodynamic and md method to study the hugoniot curves of 6. 151 - 6. 725mg / m3 porous iron
綜上所述,本文採用沖擊波實驗、熱力學理論方法和分子動力學方法對初始密度為6 . 151 - 6 . 725g / cm ~ 3的多孔鐵樣品沖擊壓縮特性進行了研究。分享友人