氣態擴散 的英文怎麼說

中文拼音 [tàikuòsǎn]
氣態擴散 英文
gas diffusion
  • : Ⅰ名詞1 (氣體) gas 2 (空氣) air 3 (氣息) breath 4 (自然界冷熱陰晴等現象) weather 5 (氣味...
  • : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
  • : 動詞(擴大) expand; enlarge; extend
  • : 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
  1. The water current flows over the top of the dentoid baffle to the hydraulic jump as additional momentum. while it is cooperated with a stilling basin, the flowing condition emerged in the basin may be improved greatly and the length and downstream water depth required by the basin can be decreased to a great extent. such an appliance may be also used to solve the problems of insufficiently dissipating water flow energy and aerating flow, which are often faced with those hydraulic engineering constraction as acted by high waterhead, great specific discharge and low froude number

    本文通過齒墩頂部的水舌所形成的附加射流,從上部射入水躍,即可改善消力池內的水流流,又可降低第二共軛水深,減小水躍長度,增進水躍消能效果,同時還能解決大單寬、低佛勞德數條件下摻和消能不足的問題,試驗證實它是一種安全、經濟的消能工。
  2. Meso - scale atmospheric diffusion patterns and time scales over beijing area

    北京地區大中尺度和時間特徵分析
  3. The authors analyzes the function change of urban in its evolvement and the eco - environmental problems caused by this change. based on this analysis and the method of systems ecology founded by odum h t, the authors discuss the aim and the principle of urban eco - environment planning under the sustainable development ; put forward the general view of urban eco - environment planning in which the kernel is the adjusting of industry structure, land - use structure and spatial pattern ; construct the dynamic simulating model of eco - environment planning of guangzhou city, china which organizes the models of economy, population, the equilibrium of carbon and oxygen, and other models of atmospheric diffusion, rainwater sedimentation, vegetation absorbing to so

    在剖析城市演化歷程中的功能變遷與導引的生環境滯脹類型和危害的基礎上,著重利用系統生學的原理和方法,探討了可持續發展要求下的城市生環境規劃的目標原理和研究的內容方法及過程提出了以產業結構土地利用結構和空間格局的調整為核心制定城市生環境規劃的總體思路創造性地融大雨水沉降和植被吸納so
  4. A two - dimensional double diffusive laminar natural convection in rectangular enclosure is detailed analyzed. the results show that when the thermal and solutal buoyancies aid each other, the airflow consists of one main cellular structure and is steady, regardless of the relative strength variation between the heat and pollutant sources. there are multiple flow structures, however, according to the relative strength when the buoyancies opposing each other

    模擬結果表明雙自然對流系統的空流動與傳熱傳質特性完全是由離熱源與污染源浮升力之間的相互作用關系訣定的:當離熱源與污染源浮升力協同作用時,自然對流呈比較穩定的單一流動結構;而當熱源與污染源浮升力對抗作用時,自然對流系統隨它們之間強度變化呈現出多種流動狀
  5. On the basis of the safety system engineering theory. applying the dow fire & explosion index and the normal stability gauss mathematical diffusion model etc., combining with the practice of mouping port, the hazards during the handling and storage of liquid chemicals in bulk have been analyzed and the risks of fire explosion and leakage ( including water pollution and water pollution ) have been assessed. taking into account of insufficient consideration of the human factor in the dow fire & explosion index, the soft compensation coefficient has been raised

    本文以安全系統工程為理論基礎,運用道氏火災爆炸指數法、平均運動方程組以及常穩高斯數學模型,結合牟平港化運輸、裝卸的實際,對牟平港化儲運的火災爆炸危險性和毒物泄漏危險性(包括水污染性和大污染性)進行了定性和定量的分析評價。在評價程序上,針對道氏火災爆炸指數法中對人為因素和管理水平等考慮不足的問題,提出了軟補償系數的概念,找出了化碼頭日常監督管理工作的重點。
  6. We expected that this dense vapor would diffuse into the solid boron, producing pellets of mgb2

    我們預期這麼濃的蒸到固硼的內部,然後產生顆粒狀的硼化鎂。
  7. Through analyzing the effect of temperature and nitrogen on crude oil viscosity the influences of different nitrogen injection volume and injection modes on steam displacement are contrasted, the mechanism of nitrogen - assisted steam stimulation is clarified, which includes : heat carrying capacity is raised, the saturation of remaining oil is reduced after nitrogen - assisted injection is made ; crude oil flow is enhanced because of nitrogen compression and dispersion and the change of oil flow shape ; water back - production rate is improved by expanding the steam sweep volume and compensating in - situ energy ; steam distillation effect is enhanced

    通過分析溫度、氮對原油粘度的影響,對比不同注氮量、不同注入方式等對蒸汽驅油效果的影響,弄清了氮輔助蒸汽增產的機理主要表現在:氮輔助后增加攜熱能力,降低殘余油飽和度,氮的壓縮膨脹作用分和改變了原油流動形,增強了原油流動性;大蒸汽的波及體積,補充地層能量,提高回採水率,強化蒸汽蒸餾效應。
  8. Study of diffusion tube calibration gases preparation and dynamic volumetric method

    管標準體及其動方法的研究
  9. This paper take the conditions of tarim as an example, calculate quantity of gas generation, residual gas hydrocarbon, gas adsorption, gas dissolving in oil, gas dissolving in water, and gas diffusion under different geologic conditions, then according to the principle of material balance, work out gas expelling quantity

    本文以塔里木盆地地質參數為例,計算了不同地質條件下源巖的生量、殘留烴量、吸附量、油溶量、水溶量、量,進而根據物質平衡法計算出排排量。
  10. Since the generated gas from gas source rocks is expelled in the form of separate phase, can it be useful for the form of pool. so, the expelling gas value of carbonate gas source rocks is more important, this paper, based on the principle of material balance, divide the tough problem of expelling hydrocarbon into relatively and easily investigated problems of gas hydrocarbon generation, residual and diffusion gas hydrocarbon and evaluate gas source rocks in temis of the magnitude of expelling gas ; hydrocarbon ( quantity of expelling gas = gas quantity of generation - adsorption - dissolving in oil - dissolving in water - diffusion )

    由於所生成的烴只有從源巖中以游離相運移出來之後才能對藏的形成做出貢獻,因此對源巖的排能力的評價顯得猶為關鍵。本文根據物質平衡法原理將比較棘手的排烴問題,分解成相對較易考察的生烴問題和殘留、耗烴的問題,以排量大小(排量=生量?吸附量?油溶量?水溶量?量)為評價碳酸鹽巖源巖標準。
  11. Systematically investigate the hydrocarbon generation of organic matter ( oil and gas generation from organic matter and oil to gas ), residual hydrocarbon of source rocks ( residual liquid hydrocarbon of rocks, gas adsorption of rocks, gas dissolving in oil and gas dissolving in water ) and gas diffusion etc. take the conditions of tarim as an example, calculate quantity of oil and gas generation, residual liquid hydrocarbon, gas adsorption, gas dissolving in oil, gas dissolving in water, and gas diffusion under different geologic conditions, then according to the principle of material balance, work out oil expelling and gas expelling quantity

    對評價中遇到的有機質生烴(有機質成油、成、油成) 、源巖殘留烴(巖石殘留液烴、巖石吸附天然、油溶、水溶) 、天然等問題進行了較為系統的研究,並以塔里木盆地地質參數為例,計算了不同地質條件下烴源巖的生油量、殘留液烴量、吸附量、油溶量、水溶量、量,進而根據物質平衡法計算出排油量、排量。
  12. The analytical solutions for the utilization of chlorine and the yield of singlet oxygen were obtained, which agree with the experimental results and are helpful for further improvement and optimization of the jsog

    通過邊界條件,採用試探解的方法,解得氯、總氧、單重氧的相、液相方程,得到了氯的利用率,及單重氧產率的解析解,與實驗結果基本相符。
  13. In the experiments, two series of catalysts were synthesized by co - deposition and sol - gel methods each. the composition of both waterproof and gas diffusion layer and catalysis layer were optimized by the orthogonal test. meanwhile, quasi - steady cathode polarization curves, x - ray diffraction ( xrd ), scanning electronic microscope ( sem ) were used to analyst the relationship between the microstructure and the performance of air electrode

    實驗採用共沉澱法和溶膠凝膠法合成了兩類催化劑;對防水透層和催化層進行了正交試驗優化;同時,還採用測準穩極化曲線, x射線衍射( xrd ) 、掃描電子顯微鏡( sem )等分析測試手段,對空電極催化材料、空電極界面結構與性能的關系等作了較深入的研究。
  14. The impact of unsteady aerodynamic wake of man ' s movement on contaminant transportation should be taken into account in the air contamination control of crucial medical rooms, and most previous studies regard the occupant as static object, which resulted in the contaminant distribution in hospital being rather different from the actual situation

    摘要醫院關鍵科室內應考慮人體活動引起的動尾流對空中污染物的影響,通常假設人體靜的模擬方法並不能反映真實情況。
  15. The paper expounds on the following aspects. firstly, on the basis of analysis of current techniques for measuring plant water potential and with the dynamic characteristics of vapor diffusion in consideration, the relationship between the transient process of humidity at the position of the sensor and the water potential of the plant sample is studied in depth, and the corresponding testing apparatus for the on - line non - invasive automatic monitoring of plant water potential is designed

    在仔細分析現有植物水勢測量技術原理及優缺點和所開發的植物水勢測量儀的基礎上,考慮植物水分的動特性,研究樣品水分無阻尼自然,其上方空的暫過程與水勢的關系,設計了研究植物水勢在線無創傷自動監測技術的試驗裝置。
  16. Gaseous material once leaks, it is very difficult to control in a limited area, wide spread disaster would happen

    因此,事故狀下有毒體的,是安全評價中災害後果評價的重要內容。
  17. Standard test methods for water vapor diffusion resistance and air flow resistance of clothing materials using the dynamic moisture permeation cell

    使用動透濕單元法測試布質材料耐水蒸性和耐流性的標準試驗方法
  18. Therefore, the accidental poisonous gas diffusion is an important content in safety assessment

    筆者通過梯度輸送理論,建立了無風條件下的動模型。
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