drainage characteristics 中文意思是什麼

drainage characteristics 解釋
水系特徵;流域特徵
  • drainage : n. 1. 排水,放水;排水法;逐漸流出。2. 下水道;排水設備,排水系統。3. 水系,排水區域,流域。4. 陰溝水,(排出的)污水。5. 【醫學】引流,導液(法)。
  • characteristics : 產品性能描述
  1. In order to understand the effects of drainage ditches on the biogeochemical cycling in wetland, this paper takes the sanjiang plain as an example, and makes a detail introduction to the impacts of drainage ditches on the characteristics of movement, transformation, inputs and outputs of chemical elements and on the chemical mass balance

    以三江平原濕地為例,從溝渠對濕地化學元素遷移轉化、濕地化學元素輸入輸出和濕地化學質量平衡影響方面分析了溝渠對濕地生物地球化學循環的影響。
  2. Abstract : considering the stochastic characteristic of main hydrogeologic parameters in yuanbaoshan open coal pit, a groundwater stochastic management model for optimal drainage borehole design is established. the result of the modeling shows the effect of stochastic characteristics of hydrogeologic parameters on the result of management modeling. it was found that the higher the parameters uncertainty and the management reliability level, the worse the management result

    文摘:從影響元寶山露天礦地下水疏乾的主要水文地質參數隨機性特徵分析入手,建立並求解了元寶山露天礦疏干工程優化設計的隨機地下水管理模型,揭示了水文地質參數隨機性對管理模型結果的影響,認為參數的隨機性越大,管理結果越壞;置信水平越高,管理結果越壞,且滲透系數和邊界條件對管理結果影響最大。
  3. The endless variations of drainage pattern make descriptive characteristics difficult.

    水系型式的無限變化給描述特徵帶來了困難。
  4. Mineral composition and chemical characteristics of albic soils in jianghuai drainage basin

    江淮流域白漿化土壤的礦物組成與化學特性的研究
  5. The iwrm in the yangtze drainage basin is a scientific issue with multi - disciplinary characteristics

    長江流域水資源綜合管理是一個多學科的研究課題。
  6. We have extended our research on rocky desertification, provided solid theoretical and technical basis for the control of rocky descrtification and established successful rehabilitation model with chinese characteristics such as integrated control of small drainage area, returning cultivated land to forestry and grass, production of both animal and grass, changing slope to terrance in order to prevent water loss and soil erosion, aiding the poor byway of environmental immigration and development and improving representative fragility ecology, etc

    貴州對喀斯特石漠化生態環境進行了長期、持久的研究,為石漠化治理提供了堅實的理論基礎和有力的技術支撐,形成了具有中國特色的成功治理模式:包括小流域綜合治理模式,生態農業模式,退耕還林還草、林草結合的草、畜(禽)生產模式,草地畜教業模式,坡耕地防治水土流失的坡改梯模式,環境移民與開發式扶貧模式,典型脆弱生態環境綜合治理模式等。
  7. The conclusions from the paper were valuable in improving hydraulic characteristics of the urban drainage pumping station with side - inlet sump

    研究成果對改善側向進水城市排水泵站水力特性、提高該類泵站的安全可靠性與高效經濟性具有較好的指導意義與實用價值。
  8. Analysis of spatial variability of soil characteristics and crop yield under subsurface drainage

    暗管排水條件下土壤特性和作物產量的空間變異性分析
  9. The statistics show that the correlation of antecedent precipitation, lithology, landform, drainage density, drainage area, length and ratio of demotion of main river and four characteristics of low flow is very complex

    統計結果表明:流域的枯季前期降水、巖性、地貌、流域面積、河網密度、主河道長度及其比降等因子與喀斯特流域的枯水四特徵的相關關系異常復雜。
  10. ( 4 ) the seepage prevention structures and drainage structure is very important for the safety and stabilization of rcc dams, so their effects is discussed in this paper to the seepage field ' s characteristics of rcc dams, moreover, the seepage control schemes of rcc dam is analyzed

    ( 4 )碾壓混凝土壩的防滲與排水結構對于大壩的安全與穩定極為重要,本文研究了各種防滲與排水技術對大壩滲流場特性的影響作用,並分析了各種防滲與排水方案的特點。
  11. It is commonly recognized that subsurface drainage system can improve pavement performance and extend service life. as an essential part of subsurface drainage system, the layer setting and characteristics of asphalt treated permeable material directly affect the performance of subsurface drainage system, which is lucubrated in this paper. based on the typical semi - rigid pavement without permeable layer, using multilayer elastic system program, rational pavement structure with permeable layer at different locations is first analyzed

    本文以高等級公路瀝青路面的典型結構形式作為未設排水層的路面結構原型,通過不同的設置層位分析對排水層的回彈模量和厚度的要求,探討設置排水層的路面結構的一些結構參數適宜的取值范圍,並在此基礎上運用灰色系統關聯分析方法,對不同設置層位的路面結構的技術指標進行比較分析,得出較優的層位設置方案。
  12. The characteristics and measurements of flow in horizontal drainage pipe

    排水橫管流量的特性及其測定
  13. This paper analyzes on the formation and the water quality characteristics of the acid mine drainage, expounds the mechanism of treating the constructed wetland, and advances the possibility of using the constructed wetland to treat the acid wine drainage

    分析了酸性煤礦廢水的形成及水質特點,闡述了人工濕地的處理機理,提出了利用人工濕地處理酸性煤礦廢水的可能性。
  14. It was shown that there were many factors impacting on the creep characteristics of soils, such as the initial degree of consolidation, drainage condition, load ratios and so on ; and the relationship between coefficient of secondary consolidation and consolidation pressure depended on preconsoildation pressure and load ratios in the test

    結果表明:軟土的蠕變特性與多種因素有關,包括土體的初始固結度、土層排水條件、加荷比等:次固結系數與固結壓力的關系取決于土體的先期固結壓力和試驗中的加荷比。
  15. The fluid - geological map was made by combination of the characteristics of metallogenic fluids and the metallogenic conditions in terms of structural, stratigraphic and magmatic constraints. it shows the nature and state of metallogenic fluids and the basic characteristics of the two metallogenic fluid systems. the range of drainage area and seven concentration centers ( zijinshan, zacun, shiyancun, bijiashan, shuixie, xinmin and yongcui ) of the two metallogenic fluid systems are delineated

    本次研究得到的流體地質圖,基本反映了本區成礦流體的性質與狀態,反映了兩個成礦流體系統的基本特徵,圈定了兩個成礦流體系統的流域范圍及7個成礦流體濃集中心(紫金山、扎村、石巖村、筆架山、水泄、新民、擁翠) ,這些濃集中心與已知礦化點分佈、化探異常及有利的地質條件基本吻合,成為該區進一步找礦預測的重要依據之一。
  16. Geochemical characteristics of acid mine drainage and sediments from coal mines

    煤礦酸性礦井水及其沉積物的地球化學性質
  17. Abstract : because of the characteristics of straws, the reinforced preparation and displacement cooking for deep delignification caused a better result in yield, strength, colour, and consumptions. the drainage of cooking can be recovered or comprehensively utilized, so a new idea of straw pulping with high quality and low consumptions has been established

    文摘:從禾草原料的特性出發,採用強化備料,置換蒸煮,對草漿進行深度脫除木素,可以提高成漿的得率、強度和原漿的白度.對排出物進行堿回收和綜合利用,節能降耗顯著,為生產高質量、低消耗的草漿開拓了新的途徑
  18. Aiming at the characteristics of drainage pumps in mine, the paper presented a method of realizing balance run and automatic shift of multi - motor of drainage pumps by analyzing the control demand of drainage pumps and searching the optimization scheme between the reliability, simplicity and economy of system control

    文章針對煤礦井下排水泵的特點,通過分析其控制要求,在系統控制的可靠性和控制實現的簡潔性、經濟性之間尋求最佳化,給出了實現多臺排水泵電機均衡運行和自動輪值控制的一種方法。
  19. Based on characteristics of middle and upriver drainage areas of a river in our country, this paper analyzes and studies some hydrological information and draws a conclusion of floodgates, flood prevention standards and structure safety requirement are adopted as premises and compositive parts of floodgates are studied from an economical point of view. an economical and reasonable structure type was selected as an optimization

    本文根據我國某河流中上游流域特徵,通過對該流域水文等資料進行分析與研究,得出在該河流建設水閘防洪的結論,本文在水閘的結構布置設計中,以結構布置滿足防洪標準及結構安全要求為前提,以經濟角度對水閘的各組成部分進行方案研究與優選,選出經濟合理的結構型式。
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