氣體過慮 的英文怎麼說
中文拼音 [qìtǐguòlǚ]
氣體過慮
英文
gas filtration-
Teachers viewed bullies as hot - tempered, doing poorly at school work, physically strong, always anxious, popular and thought they come from a family background which is characterized by a lot of physical punishment, inconsistent discipline, distant relationships and physical or emotional abuse ; they thought of victims as having learning difficulties, having few friends, having low self - esteem, lacking social skills, unassertive or passive, having physical disability, physically weak and being over - protected by parents. 5. teachers recommended more positive strategies to victims
4 、中小學教師認為，與受欺負者相比，欺負者以下特徵更為明顯：脾氣暴躁、學業不良、身體強壯、經常焦慮、受歡迎、在家庭中經受了大量的身體懲罰和身體或情感虐待、父母管教不一致、家庭關系疏遠；與欺負者相比，受欺負者在下述特徵上表現更為突出：有學習困難、沒有朋友、低自尊、缺乏社會技能、不自信或被動、有身體缺陷、身體弱小、父母過度保護。This paper establishes a model simulating dam actual placing process and considering the non - continuity of initial temperature on the boundary of new and old concrete, daily air temperature change, concrete - placing temperature, hydration heat, heat insulation on boundary, water - storing process, placing intermission and curing with water. the calculation of stress field considers the concrete weight, static water pressure, thermal stress, different autogenous volume change between rcc and normal concrete, change of elastic modulus of concrete with age and creep action
考慮了乞今最為全面的初始條件和邊界條件，包括模擬壩體的實際升程過程，考慮了新老混凝土接觸面上的初始溫度不連續，逐日的氣溫變化，混凝土的入倉溫度，水化熱溫升，邊界保溫，水庫蓄水過程，澆築間歇以及灑水養生等因素；應力場的計算考慮了混凝土的自重，靜水壓力，溫度應力，常態混凝土與碾壓混凝土不同的自生體積變形，混凝土的彈性模量隨齡期的變化以及徐變的作用。Oxygen diffusion transport and electrochemical reaction in the oxygen cathode of direct methanol fuel cell ( dmfc ) have been expressed with the tffa model. model calculation has been carried out to investigate the effects of structural parameters of the dmfc cathode on the electrode performance, which is respectively represented by the curve of cathode overpotential versus current density. much attention has been paid to parameters including the porosity of the reaction layer, the thickness of the thin - film on the flooded - agglomerate, the radius of the flooded - agglomerate, the volume fraction of the flooded - agglomerates in the reaction layer
本文首先運用tffa模型描述直接甲醇燃料電池（ dmfc ）陰極氧氣的傳遞和電化學反應過程，研究了過電位-電流密度曲線受陰極結構參數變化的影響程度，其中著重考慮了以下幾個參數：催化層的孔隙率，浸漬聚集體薄膜的厚度，浸漬聚集體的半徑，浸漬聚集體在催化層中的體積分數。To get mass flow rate of vent gas and coarse aeetaldehyde from their volume flow rate data, density compensations are performed with regressed relationship between density and ( temperature, pressure and concentration )
針對包含化學反應過程的生產流程，提出了基於原子衡算的數據調和演算法，並將之應用於乙醛生產過程的數據調和。調和計算中考慮了粗乙醛流量和小放空氣體流量的密度補償。Firstly, based on the present research all over the world, a 3d quasi - single phase model is built together with k - equations. the special feature of this model is taking account of the influence of interaction between liquid and gas, that is to say, the influence of interphase drag force, lifting force perpendicular to the relative velocity, virtual mass force and gas or liquid volume fraction in the fluid field have been considered. a 3d two - fluid model is also built in order to describe more accurately the fluid flow on distillation trays by comparing the computational results of quasi - single phase mathematical model with of two - fluid mathematical model
本文在國內外已有的研究基礎上，首先建立了以k - （封閉模型為基礎的三維擬單相流模型，該模型的特點在於充分考慮了氣液兩相間相互作用的影響，即計入了相間曳力、橫向升力、虛擬質量力和氣、液相含率對流場的影響；並建立了塔板三維雙流體模型，主要目的是通過對比擬單相流數學模型、雙流體數學模型的計算結果，建立能夠準確描述塔板上流體流動的數學模型。By applying volume averaging operator to the local transient rng k - s model, the effects of interaction between liquid and bubble on the turbulent kinetic energy and its dissipation rate are incorporated to the rng k - s model
根據eulerian體平均原理，對局部瞬時rng -模型方程進行平均化處理，經過數學演繹首次得出氣液兩相湍流rng -模型，並在模型中考慮了相間作用對液相湍流動能及耗散的影響。Considered the tiny quantity of the hydrogen, first we choose the gas chromatography technology to analyze the component of the work gas and to obtain the chromatography curve. then, treat the curve with the adaptive aperiodic stochastic resonance algorithm in order to eliminate the apparatus noise submerged in the tiny hydrogen signal. at last, calculate the quantity of the hydrogen based on that the quantity varies directly as a function of the area of the chromatography curve
考慮到氫的含量非常微弱，在測量時採用氣相色譜法，並通過自適應非線性隨機共振演算法對色譜信號進行處理，以便提取出被儀器噪聲淹沒了的微弱氫信號的色譜曲線，最後根據氫含量與其色譜峰面積呈正比計算出工作氣體中的氫含量。Based on the analysis of gas - solid multiphase catalytic reaction, the chemical reaction model is established. when the reaction is controlled by the chemical dynamic, the reaction rate is introduced by consideration of the adsorption and desorption effects. when the reaction is controlled by mass transfer, the diffusion coefficient is established which can present the flow rate increases in small reynolds domain ; for the internal diffusion, the internal diffusion coefficient is derived, and then the internal diffusion is coupled with chemical reaction to represent the phenomenon that the diffusion and the chemical reaction occur cocurrently
本文在考慮催化轉化器載體內發生的傳熱傳質現象的基礎上，建立了催化轉化器的一維單孔道和三維多孔道傳熱傳質模型;在分析載體內以氣-固多相催化反應為特點的工作機理的基礎上，建立了催化轉化器的化學反應模型:當催化轉化處于化學動力學控制區時，引入了考慮吸附、表面反應和脫附的表面化學反應速率公式，當催化轉化處于質量輸運控制區時，引入了決定外擴散能力的擴散系數公式和和決定內擴散速率的內擴散系數公式，並與化學反應速率相耦合，得出由擴散過程決定的化學反應速率公式。Numerical simulation by cfd was carried out to understand the hot current behavior in a tunnel with longitudinal ventilation. it becomes clear that fire source modeling is very important because the hot current behavior is strongly affected by the fire source position and is sensitive to methods in the modeling of the fire source. the flame area which has developed from the fire source is an area of chemical reaction caused by combustion. even if grids in the vicinity of the fire source are made fine, it was difficult to simulate the heat generation area with consideration to this chemical reaction through using a method for setting the heat release rate simply on the fire source surface. therefore, we proposed a method adopting the knowledge on flame shape under the longitudinal ventilation and incorporating it into numerical simulation and it showed a good agreement with the experimental results. it was shown through experiments in a tunnel with longitudinal ventilation that the hot current developed toward the tunnel center downwind from the fire source near a wall. the cause was investigated by numerical simulation and it became clear from the results that the spiral air by the fire plume created a vortex in the crevice between the wall and the plume
運用cfd進行數字模擬，以了解縱向通風隧道內熱煙氣流的特性.通過模擬發現對火源進行模擬非常重要，熱煙氣流特性受火源位置的影響很大，並且對火源模擬方法很敏感.火源生成的火焰區是燃燒引起的化學反應區域.即使火源附近的木垛排列完好，也很難在考慮這些化學反應條件下模擬熱生成區域.建議考慮縱向通風隧道內火焰形狀並對它進行數字模擬.模擬結果與試驗結果非常吻合.試驗證明，在縱向通風隧道內，熱煙氣流從靠近墻體火源處順風向隧道中心蔓延.數字模擬結果發現，火災羽流造成的螺旋上升空氣會在墻體和羽流之間形成一個渦流區Abstract : numerical simulation by cfd was carried out to understand the hot current behavior in a tunnel with longitudinal ventilation. it becomes clear that fire source modeling is very important because the hot current behavior is strongly affected by the fire source position and is sensitive to methods in the modeling of the fire source. the flame area which has developed from the fire source is an area of chemical reaction caused by combustion. even if grids in the vicinity of the fire source are made fine, it was difficult to simulate the heat generation area with consideration to this chemical reaction through using a method for setting the heat release rate simply on the fire source surface. therefore, we proposed a method adopting the knowledge on flame shape under the longitudinal ventilation and incorporating it into numerical simulation and it showed a good agreement with the experimental results. it was shown through experiments in a tunnel with longitudinal ventilation that the hot current developed toward the tunnel center downwind from the fire source near a wall. the cause was investigated by numerical simulation and it became clear from the results that the spiral air by the fire plume created a vortex in the crevice between the wall and the plume
文摘:運用cfd進行數字模擬，以了解縱向通風隧道內熱煙氣流的特性.通過模擬發現對火源進行模擬非常重要，熱煙氣流特性受火源位置的影響很大，並且對火源模擬方法很敏感.火源生成的火焰區是燃燒引起的化學反應區域.即使火源附近的木垛排列完好，也很難在考慮這些化學反應條件下模擬熱生成區域.建議考慮縱向通風隧道內火焰形狀並對它進行數字模擬.模擬結果與試驗結果非常吻合.試驗證明，在縱向通風隧道內，熱煙氣流從靠近墻體火源處順風向隧道中心蔓延.數字模擬結果發現，火災羽流造成的螺旋上升空氣會在墻體和羽流之間形成一個渦流區In recent years, it is obtained from experiments that water infiltration is affected by air pressure, the problem on one - dimensional water infiltration is soloed by many researchers. in this paper two - dimensional water infiltration with air - out is considered and numerical simulation is made. unsaturated infiltration is the process of factors coupling each other
近年來，許多研究人員從實驗中得出了氣體壓力變化對水流入滲有影響，並對一維水流入滲問題進行了求解，本文將進行考慮氣體排出過程影響的二維水流入滲問題的數值求解。An integral boundary layer method based on the dissipation integral is used to account for viscous effects
考慮附面層影響，通過粘/位迭代得到跨音速翼/體的非定常氣動力。Our model introduces the general equations of chemical evolution used in galaxies to studies of gcs. in this model the important gas outflow caused by the supernova explosion and other processes during the formation of globular clusters is included. based on such a self - enrichment model, monte carlo method is used to simulate the formation and chemical evolution of globular cluster systems, from which a new explanation of the bimodal metallicity distribution can be given
本文把星系演化中通用的化學演化方程引入到球狀星團這一系統中來，特別考慮到球狀星團中恆星形成過程中超新星爆發等因素引發的氣體外流，把這一重要的物理過程包含到化學演化方程中，並用蒙特卡羅方法來模擬球狀星團系統的自增豐演化。This projection takes into account the effects of aerosols which tend to cool the climate as well as the delaying effects of the oceans which have a large thermal capacity. however, there are many uncertainties associated with this projection such as future emission rates of greenhouse gases, climate feedbacks, and the size of the ocean delay. . etc
這預計已考慮到大氣層中懸浮粒子傾于對地球氣候降溫的效應與及海洋吸收熱能的作用（海洋有較大的熱容量） 。但是，還有很多未確定的因素會影響這個推算結果，例如：未來溫室氣體排放量的預計、對氣候轉變的各種反饋過程和海洋吸熱的幅度等等。Fractal porous media can be simplified as a kind of binary mixture with different thermal conductivities. the calculated results show that heat transfer in fractal porous media is very complicated, the thermal coupling effect of matrix with pore structure is studied. when heat transfer in pore structure is neglected, the effective thermal conductivity for random sierpinski carpet is scaled up with the percent of matrix, which is described by the classic archie ' s law
本文首先採用有限容積法分析了分形多孔介質中的熱傳導過程，多孔介質可以視為二元混合介質，計算中發現分形結構中的導熱規律非常復雜，基質與孔隙之間存在著很強的相互換熱，當不考慮孔隙氣體中的導熱時，本文所構造的隨機sierpinski地毯上導熱系數與基質率（基質百分含量）大多呈指數關系，這與archie定律的結果是-致的。The changing procedure includes : extending of the blade on the tip, extending of the blade on the root, expanding of the surfaces of the blade, extending of the blade on both sides, calculating the balance angle, changing the coordinate system, changing the data on the consideration of the shrinking and the reflecting of the blade material, etc. a blade surface is bended and distorted in three dimensions
具體轉化過程包括：葉尖型面延伸、葉根型面延伸、葉身型面余量加放、進排氣邊余量加放、平衡角的計算、考慮葉片的收縮和回彈、坐標轉換等。完成了葉身實體造型。葉身型面是復雜三維彎扭曲面，造型上既有精度要求又有光順性要求。Simulation for different types of air distributions the 3 - d distributions of airflow and tenperature fields in large space are numerically calculated using the software of fluent. through comparing the result of simulation, thinks that the delaminated air conditioning is better than the one of middle supply - up return air distribution. the air supply of low sidewall has large temperature efficiency and can supply the air with low temperature, as is a considerable type of air distribution
不同送風方式的數值模擬本文運用fluent軟體對地下水電站高大廠房三維溫度場和速度場的模擬，通過研究比較，認為分層空調方式比中送上回送風方式空調效果好，在大空間應採用分層空調，而下送上回送風方式溫度效率較大，可實現較大溫差送風，是一種值得考慮的氣流組織方式。分享友人