濃度擴散 的英文怎麼說

中文拼音 [nóngdùkuòsǎn]
濃度擴散 英文
concentration diffusion
  • 濃 : 形容詞1. （液體或氣體中所含的某種成分多; 稠密） dense; thick; concentrated 2. （程度深） （of degree or extent） great; strong
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 擴 : 動詞（擴大） expand; enlarge; extend
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  • 濃度 : potency; thickness; concentration; consistence; strength; consistency; density
  1. Blood contains diffusible factors that could leak out of vessels to affect neural activity, and changes to blood volume could affect the concentration of these factors

    血容量的改變能夠影響血液中的一些可擴散因子濃度，而這些因子能從血管中滲出而影響神經活性。
  2. Abstract : in this paper ， we make a study on sampling interval revision of atmospheric diffusion parameter in concentration prediction of atmospheric environmental impact assessment

    文摘:就大氣環境影響評價濃度預測中，對大氣擴散參數取樣時間訂正問題進行了說明和討論。
  3. Research on ground concentration mode of dust particle diffusion under calm condition

    靜風條件下煙塵擴散地面濃度模式的研究
  4. The distribution of concentration still obeys the diffusion law, only the efftects of the group particle fall velocity and the dispersive force on the diffusion index z1 shall be considered

    懸沙濃度分佈仍遵循擴散定律，但擴散指教z1將受到顆粒群體沉速和離散力的影響， -般為y的函數。
  5. The process by which the surface carbon concentration of a ferrous alloy is increased by diffusion from the surrounding environment

    從周圍環境中向鐵基合金表面擴散碳，從而使其表面碳濃度提高的工藝過程。
  6. At the same time, the intrapartical diffusion and liquid internal mass transfer can been enhanced by ultrasound field, owing to additional stirring, the increasing rate of intraparticle diffusion coefficient is enhanced, while that of the liquid film mass transfer coefficient is reduced under ultrasound field

    模型研究表明： freundlich ?兩相阻力模型計算得到濃度與實驗測定值非常吻合，超聲場能有效地強化浸取粒內擴散與液膜傳質，攪拌作用下超聲強化液膜擴散的的能力降低，強化粒內擴散的能力增強。
  7. The analysis model and design methodology for the gas field are discussed referring to related documents. the structure parameters of gas manifold, channel, diffusion layer and hydrophobic layer which affect the oxygen distribution are also studied

    本文闡述了氣場分析模型和設計思想，研究了進氣箱、交指型流道、擴散層和疏水層結構參數對氧濃度分佈的影響。
  8. Generally, the membrane thickness is much larger than the pore dimension. therefore, the resistance of the pore channel was the control resistance of the membrane diffusion process. while the existences of the stephen diffusion and pore interaction well explained the reason why the total membrane surface would be used as the interfacial area through where the mass transport took place

    盡管由於膜的厚度比孔的尺寸要大很多， stephen擴散以及孔之間的相互作用對通過膜的總擴散阻力影響很小，但它們存在的結果是使整個膜表面的氣體濃度趨於一致。
  9. When measuring a shallow diffused layer at low concentrations, reliable measurement free of noise are difficult to make.

    測量低濃度淺擴散層時，無干擾的可靠測量很難實行。
  10. In this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes

    本文將水質預測及水污染控制措施有機地結合，選取水環境容量和污染指數作為水污染控制的參數.這樣，一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進，因為其採用四點隱格式對水質進行預測，推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值，從而制定相應的水污染控制措施.為整體考慮各種污染物的情況，建議採用河流的污染指數進而推求綜合污染指數.總之，本研究為水質保護提供了科學的計算方法，該法對水污染控制及污水對河道水質的影響是實用有效的
  11. Abstract : in this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes

    文摘:本文將水質預測及水污染控制措施有機地結合，選取水環境容量和污染指數作為水污染控制的參數.這樣，一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進，因為其採用四點隱格式對水質進行預測，推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值，從而制定相應的水污染控制措施.為整體考慮各種污染物的情況，建議採用河流的污染指數進而推求綜合污染指數.總之，本研究為水質保護提供了科學的計算方法，該法對水污染控制及污水對河道水質的影響是實用有效的
  12. Ambient air quality - diffusive samplers for the determination of concentrations of gases and vapours - requirements and test methods - general requirements

    環境空氣質量.測定氣體和蒸汽濃縮度的擴散樣品.要求和試驗方法.一般要求
  13. Ambient air quality - diffusive samplers for the determination of concentrations of gases and vapours - requirements and test methods - specific requirements and test methods

    環境空氣質量.測定氣體和蒸汽濃縮度的擴散樣品.要求和試驗方法.特殊要求和試驗方法
  14. All the experiment analyses are presented in chapter 3, including the lodging of negative resistance effect based on the measurement of the parameters of ga - diffusion trans

    結構中近硅表面微區域濃度的變化規律， ga擴散過程的三個階段包括預沉積、再分佈和二次氧化，對應于ga在a
  15. Abstract : in this article, starting from solute s transport a nd diffusion equati on, aiming at the saturation state of liquid in homogeneous soil of impermeable stratum and on the condition that lots of saturated solute ( e. g. nutriment ) on t op of the soil maintain diffusion, a strict mathematical deduction is carried ou t, and the analytical solution of solute s concentration distribution in homogeneous s o il is given

    文摘:從溶質輸移擴散方程出發，針對強透水層上均質土壤的液體飽和狀態，在頂層含有大量飽和溶質（如養分等）維持著滲透擴散的條件下，進行嚴密的數學推證，給出均質土壤中溶質濃度分佈的解析解。
  16. When the water contains a high concentration of ions, the diffuse layer would obviously be compacted.

    當水中含有高濃度離子時，擴散層會明顯收縮。
  17. The exchange rates of po4 - p in the east china sea were correlated with the temperature, ph of the seawater and mainly influenced by the reaction at the surface of the sediments. the exchange rates were controlled by the do and ph. it was shown that relationships between the exchange rates of no3 - n, no2 - n and nh4 - n and the potential environmental controls were complicated

    Po _ 4 - p在沉積物?海水界面的交換作用受擴散過程的影響不大，而界面上的反應，如fe氧化物對摘要p04一p的吸附和解吸，可能是po4一p交換速率的主要控制過程， do濃度和ph值可能是主要的控制因子。
  18. The particles aggregation was simulated using particle - cluster and cluster - cluster aggregation model. several type of floes was reached and its morphological characteristics was analyzed the fractal dimension, density and porosity of floes was studied by changing sticking probabilities, sticking position, particle number, particle concentration, difrusion coefficient and motion trajectory. the parameters by which special floes growth were determined. in the study of morphology, floes of yellow river ' s loess particles was observed by tv - microscope. its morphological characteristics were obtained by image analysis. the effect of fractal dimensions by stirring time strring speed, macromolecule flocculant dosage, flocculant concentration and particle concentration was studie. its rule of change was obtained. on the basis of other studies, the flocculation kinetics and floes structure was studied

    本文應用計算機模擬技術，在二維空間內採用單體凝聚和集團? ?集團凝聚兩種模型對顆粒凝聚過程進行了模擬，得到了多種形態的絮體，並對絮體進行了形態分析，通過改變粘附概率、粘附位置、顆粒數量、顆粒濃度、擴散系數和運動路徑等模擬參數，我們考察了絮體分形維數、密度和孔隙率隨模擬條件變化的影響規律，得到了形成特定形態絮體的控制參數。
  19. Seawater intrusion is modelled as a nonlinear system of coupled two parabolic partial differential euqaitons, of which one is the pressure flow equation and the other one is the concentration equation of convection - dispersion type

    摘要海水入浸問題的數學模型是兩個耦合拋物型偏微分方程，其中一個是關于壓力的流動方程，另一個是關于濃度的對流擴散方程。
  20. Abstract : a new simulating method is established for the calcul ation of the hardness profile of high - carbon - concentration deep - carburization, on the basis of analyzing this process and taking into account the influence o f carbide solution and dissolution, carbon - concentration and temperature on the diffusion behavior, and the influence of the environment factor on carbon trans fer through the gas - solid interface

    文摘:在對高濃度深層滲碳的特點進行分析的基礎上，考慮到碳化物的析出與溶解、溫度及碳濃度對擴散行為的影響，氣氛環境對相界面碳傳遞過程的影響，淬火烈度對滲碳層冷卻效果的影響，提出了一種新的模擬高濃度深層滲碳滲層硬度分佈的方法。
分享友人
分享到 Line

分享到臉書