pollutant distribution 中文意思是什麼

pollutant distribution 解釋
污染物分佈
  • pollutant : n. 污染物〈尤指放入水中和空氣中的有害的化學物質〉。
  • distribution : n 1 分配，分發，配給；分配裝置[系統]；配給品；配給量；【經濟學】配給方法，配給過程；分紅；【法律...
  1. In the model the film thickness in the passage was obtained at first using two phase flow theory ; then, similar analysis solution of concentration distribution of the pollutant in liquid phase and biofilm was obtained through mass component equation of pollutant in gas - liquid phases combined with the biochemical kinetic equation of mass transfer in biofilm and dismission of oxygen limited ; at last, the distribution of pollutant along the filter height and the waste gas purification efficiency were obtained

    該模型首先運用兩相流理論獲得了通道內液膜厚度，然後通過污染物在氣相、液相的質量組分方程，結合生物膜內的傳質與不?慮氧限制的生化反應動力學方程，獲得了污染物在液相和生物膜中濃度分佈的近似分析解，最終得到污染物在氣相中沿塔高的濃度分佈及廢氣凈化效率。
  2. According to the distribution peculiarity of the two characteristic moments, the accessibility of water quality in taizhou source of yangtze river has been analyzed based on the maximal contamination zone of entire tide and the relationship between the length of contamination zone and the pollutant load. simultaneously, every project has been analyzed and compared by using the model in wuli lake water environmental renovation for getting some theoretic gist and technical supports for the engineering

    在此基礎上進行泰州江段水流水質數值模擬，建立排污混合帶范圍與排污量關系曲線，並對泰州江段供水水源地水質可達性進行了分析；將模型應用於五里湖水環境治理工程中，預測各引水方案下湖體水質狀況並進行各方案分析，從而為工程實施提供一定的理論依據和技術支持。
  3. Groundwater in zhangshi irrigated area is seriously polluted by both organic and inorganic pollutants, the spatial distribution of pollutant and characteristics are as a result of various sources of pollutant

    摘要張士灌區細河流域地下水中有機和無機污染均較為嚴重，其污染原因和污染特徵受多種污染源的控制。
  4. The result showed that the contamination situation in the lower zone of the office, i. e. the zone of occupants, was affected by of that of supply air. the supply air contamination should be kept to a low level in order to provide a good indoor air quality. however, the variation of the supply pollutant concentration has no influence on the indoor contaminant distribution of such system

    本文針對氣態污染物，研究了不同送風濃度對系統的影響，結果表明：置換通風房間的下部區域受送風污染物濃度的影響較大，人的工作區恰好處于該區，實踐中需要控制好送風濃度以保證人呼吸區的空氣品質；但是送風濃度的變化並不影響置換通風下污染物的分層分佈的特點。
  5. According to the model proposed, not only the distribution interval values of pollutant concentration under sudden pollutant discharged but also the respective corresponding faith degree can be obtained directly

    由該模型不僅能夠得到排污口下游各控制點污染物濃度可能值分佈形式，也可以得到各可能值區間相應的可信度分佈，從而為河流水質規劃管理和水污染控制提供豐富、有用的水質信息。
  6. The over - wintering form population of hawthorn spider mite in free - pollutant culture apple orchard was ground orchard > southern exposure orchard > northern exposure orchard. there had significant level at 0. 01 among these three orchards. culture condition affected the distribution of tetranychus viennensis zacher also

    果園立地類型對越冬態山楂紅蜘蛛的分佈有著顯著的影響，越冬態山楂紅蜘蛛種群數量平地園陽坡園陰坡園，三者之間差異達極顯著水平。
  7. The paper involves the research of the application of neural - fuzzy control method to the road tunnel longitudinal ventilation system : by learning the sample data, the neural network automatically produces the membership functions and the control rules, subsequently, the fuzzy control model is easily established ; the distribution of pollutant and the fan operation is simulated under the varies traffic flow circumstances, the simulation results show that the longitudinal jet ventilation in medium - length and long road tunnels can be effectively controlled with the application of above method

    本文提出了建立公路隧道縱向通風神經模糊控制系統的一般方法，利用神經網路學習樣本數據，自動提取建立模糊控制模型的隸屬函數和控制規則，通過模擬模擬各種交通狀況下的污染物分佈和風機運行情況，結果表明此方法對中長隧道全射流縱向通風具有良好的控制效果。
  8. It is thought - provoking that an expensive ventilation system for air distribution can be almost as big a pollutant as smokers

    這的確引人深思?如此昂貴的用於空氣分佈的通風系統，竟然與抽煙者一樣是一個大的污染源。
  9. The study of the indoor moisture distribution was done in this paper through a numerical simulation of a representative office. the result showed that the stratification phenomenon also exists for the moisture. similar to heat pollutant, we consider only the humidity desire in working zone

    本文模擬了一間置換通風辦公室的濕度分佈情況，結果表明：置換通風房間內的濕度也同樣存在層狀梯度分佈，這一特性使之非常適合於熱濕同源的場合，系統在濕度控制時只要保證工作區的濕度能滿足要求即可，使空調系統在節能上有了新的空間。
  10. Under different wind speed conditions, the dispersion characteristics of vehicular pollutant within a single driveway street canyon of 3 : 1 ratio of high to width were studied, and the effect of the position and intension of pollutant line source on the distribution and the dispersion of vehicular pollutant within a double driveway street canyon of 3 : 2 ratio of high to width were discussed

    對不同風速條件下高寬比為3 : 1的單車道街道峽谷內的機動車排氣污染物的擴散規律進行了研究；討論了在街道高寬比為3 : 2的雙車道街道峽谷內，污染源的位置及強度對街道內機動車排氣污染物分佈及擴散的影響。
  11. First, the difference between the stm and utm is compared and analyzed. the results show that it can accurately simulate the unsteady flow process of piston wind and the pollutant distribution in tunnel after train left the tunnel, can analyze and calculate the good effect of inertial action of piston wind if using utm

    文中首先分析和比較了傳統隧道通風設計所採用的恆定流理論與非恆定流理論的差別，表明運用非恆定流理論不僅更能準確模擬隧道內活塞風的非恆定流動過程，而且能模擬列車通過隧道過程中隧道內污染物濃度的分佈，同時還能考慮利用隧道內氣流（活塞風）慣性作用促進隧道通風，節約通風能耗。
  12. Built up numerical simulation model of ufad system with single heat and pollutant source, adopted fluent software to study distribution of temperature 、 velocity and contamination ’ concentration, and changes of heat lamination height when temperature and velocity of air - in and surface temperature of heat source were changed and when the leakage of air - in plenum was considered or not. and compared and verified the simulation results with experimental testing data

    建立了單一熱污染源地板送風的數值模擬模型，採用fluent軟體研究送風溫度、送風速度、熱源表面溫度的變化及有無考慮送風靜壓層的漏風時，室內溫度、速度和污染物濃度分佈以及熱力分層高度的變化，並與實測分析進行了對比驗證。
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