concentration basin 中文意思是什麼

concentration basin 解釋
濃縮池；選礦槽
  • concentration : n. 1. 集中。2. 【化學】提濃，蒸濃，濃縮；濃度；稠密度；【礦物】汰選，選礦，富化。3. 集中注意，專心。
  • basin : n 1 臉盆；水盆。2 滿盆，（一）盆。3 盆地，流域。4 水坑，地塘；（港灣）深度；內灣，小灣；【造船】...
  1. The additional flow is formed by the device of dentoid baffle, and the application of the device of dentoid baffle cooperated with a stilling basin has been investigated by systematic model tests. based on the research results, the hydraulic problems such as the characteristics of hydrodynamic pressure and cavitation on the head of the denotid baffle, the properties of flow under the condition that the device of denotid baffle is used with a stilling basin, the hydraulic computation about a stilling basin, the estimation of energy dissipation and its various affection factors, the mechanism and effect of energy dissipation, and distributions of velocity and pressure and aerating concentration, etc, have been analyzed ; the method and step of hydraulic design of device of denotid baffle by which the additional flow is produced has also been proposed

    文中利用齒墩設施實現附加射流，對齒墩設施與消力池聯合應用進行了大量的和系統的模型試驗，分析研究了中低佛勞德數條件下，齒墩墩頭的動水壓強及空化特性，齒墩設施與消力池聯合應用時的流態特性，消力池的水力計算，消能量的估算及其各種影響因素，消能機理和效果，消力池內的流速、壓強特性，摻氣濃度分佈等水力學問題，並提出了實現附加射流齒墩設施的水力設計方法和步驟。
  2. The carrier bar of the mud scraper in horizontal flow basin, concentration tank and secondly precipiting basin is blongs to pole and beam structure. in this paper, the method of finite element is used to analyze the structure, and provides the basic theory and the process of analysis

    水處理設備平流池、濃縮池、二沉池的刮泥機承載梁屬于桿梁結構。文中採用了有限單元法對其進行研究，並且給出了有限單元法的基礎理論和分析過程。
  3. The basin - formed mechanism, evolution model and petroliferous geological features of compresso - shear basins in the world are analyzed, by which six aspects of the features are summarized as follows : 1 ) in the compresso - shear process, the sedimentary speed of basin is high, forming thicker coarse - grained clastic rocks which normally shape good petroleum reservoir ; 2 ) the source rocks of basin tend to coming from the organic matter - enriched rocks formed in pre - compresso - shear stages, except that in intense compresso - shear process, deep water - semi deep water source rocks are possibly developed in pre - compresso - shear stages, e4xcept that in intense compresso - shear process, deep water - semi deep water source rocks are possibly developed in frontal of deep depression ( fore deep ) of thrust belt ; 3 ) the en echelon folds ( including anticline and fault - nose structure ) are generally as good oil traps ; 4 ) the compresso - shear process is helpful to hydrocarbon accumulation ; 5 ) it may promote the maturity and hydrocarbon - generating process of organic matte, and 6 ) the thrust belts in the surrounding areas of compresso - shear basin are favorable are favorable domains for petroleum concentration

    摘要通過對世界上壓扭性盆地的成盆機制、演化模式和油氣地質特點分析，總結壓扭性盆地具有6個方面的石油地質特徵：壓扭作用期間盆地的沉積速率較高，一般形成較厚的粗碎屑沉積，它們常構成很好的油氣儲集層：盆地的烴源巖往住來自於前壓扭期砂成的富含有機質的巖石，但在強烈的壓扭作用期間，在沖斷帶的前緣深坳陷（前淵）中有可能發育深水半深水相的烴源巖；壓扭（張扭）作用期間形成的雁行式褶皺（包括背斜和斷鼻等）往住是很好的油氣圈閉；壓扭作用易於成藏；壓扭作用可以促進有機質的成熟生烴作用；壓扭性盆地的周邊沖斷帶是油氣賦存的有利部位。
  4. Abstract : based on the basic geology this paper determines the development history of kailu basin, and comprehensively analyses hydrogeologic conditions and hydrogeochemical characteristics, as well as the uranium concentration in groundwater, determines the prospecting significance of regional confined aquifers in yaojia and sifangtai formations formed during the subsidence stage of the basin

    文摘:本文從基礎地質條件出發，界定了開魯盆地的發展歷史，全面分析了研究區的水文地質條件、水文地球化學特徵及地下水的含鈾性，確定了在整體坳陷期形成的姚家組和四方臺組區域承壓含水層的找礦意義。
  5. Based on observed sea ice concentration data and simulated results, there has been noticeable downward trend in the extent of arctic sea ice during 1979 - 1998. the model shows a substantial reduction of ice advection into the eastern arctic from the canada basin, and an increase of ice export through fram strait, both of which tend to deplete the sea ice of arctic

    模擬結果表明北極海冰有很明顯的季節變化和年際變化，實測的海冰密集度資料和模式模擬結果都證明1979 - 1998這20年間北極海冰的一個最明顯的變化是海冰在不斷減少。
  6. Based on geological investigation in the mineralization concentration area and a lot of analytical data in the laboratory, this paper includes volcanic magmatic activity and magmatic distributing ; the petrology, element geochemistry features of the magmatic rock series in different areas in lanping basin ; the relationship between magmatic activity and mineralization

    本文以野外實地調研及室內測試數據為依據，研究了蘭坪盆地礦集區火山巖漿活動及巖漿巖分佈、不同區域巖漿巖巖石學特徵與元素地球化學特徵，探討了巖漿活動與成礦的關系。
  7. Based on abundant statistic data and photographs of seeping - type uranium deposits at the southern margin of ili basin, detailed description is given of the oxidation - migration of organic matter during seeping of oxygen - bearing water, secondary alteration of minerals, and concentration of uranium and associated elements on geochemical reduction barriers as well as formation of secondary seeping uranium deposits

    摘要採用伊犁盆地南緣滲入鈾礦床中的大量統計數據、圖片等資料，論述了在層間滲入型鈾礦床中，有機質在含氧滲流水作用下，發生氧化遷移，巖石中的礦物次生蝕變，並在地球化學還原障上產生鈾及伴生元素的富集，形成後生滲入鈾礦床的過程。
  8. " since the south basin of california started controlling the voc contents of consumer products in 1992, its numbers of basin - days of ozone levels breaching the federal standard had dropped from 143 to the lowest of 36 in 2001, and the maximum one - hour concentration has also dropped from its peak of 0. 3 ppm to 0. 19 ppm.

    自南加州於一九九二年開始引入管制消費品的揮發性有機化合物排放后，該地區每年的臭氧超標日數由最高的143日下降至二一年最低的36日，而最高一小時的臭氧濃度亦由高峰的0 . 3ppm下降至0
  9. Abstract : a number of comprehensive study data of cores, structures, inclusions, well - testing performance and fracture pressure gradient have shown that there are several fracture types in the jurassic tight sandstone reserviors of western sichuan basin, such as local structures, subtraction ( load relieving ), stratification and corrosion etc. the leading origin type of fracture is the paleo - subtractive one formed by uplifting subtraction during geohistorical process, which is the main percolation passage in the process of oil / gas concentration, reservoiring and production

    文摘:川西侏羅系緻密砂巖儲層中，存在局部構造、卸載、層理及溶蝕等數種裂縫類型，而由地史過程中的隆升卸載作用形成的古卸載裂縫是主導裂縫，也是油氣富集、成藏及產出過程中的主要滲濾通道。
  10. The study covers regional stratigraphy, regional geological structures and their evolution ; deep - large fracture system and building - moutain straps in the basin ; distributing of mineralization concentration area and mineralazition characteristics of different metal fields ; volcanic magmatic activity and magmatic distributing ; the petrology, element geochemistry features of the magmatic rock series ; the relationship between magmatic distributing and mineralization ; the relationship between magmatic forming - age and mineralization ; the relationship between magmatic form and mineralization ; source of mineral materials, source of hydrothermal solution and source of mineralizing agent ; transport forms of metal in the solution ; the ore - forming geochemical mechanism, etc. it turns out as follows : ( 1 ) lanping basin formed in the linkup of the plates and it was propitious to form deep - large fracture

    研究內容包括：區域地層及區域構造演化；盆地深大斷裂系統及造山帶；區域地球物理場；礦集區礦床的時空分佈、礦化特徵；巖漿巖活動與巖漿巖分佈；巖漿巖巖石學特徵；巖漿巖元素地球化學特徵；巖漿巖分佈與成礦的關系；巖漿巖成巖時代與成礦的關系；巖漿巖組成與成礦的關系；成礦物質的來源，成礦流體的來源；成礦物質搬運、富集的地球化學機理等。研究結果表明：蘭坪盆地發育于板塊的拼接地帶，有利於發育深大斷裂系統。
  11. Based on the basic geology this paper determines the development history of kailu basin, and comprehensively analyses hydrogeologic conditions and hydrogeochemical characteristics, as well as the uranium concentration in groundwater, determines the prospecting significance of regional confined aquifers in yaojia and sifangtai formations formed during the subsidence stage of the basin

    本文從基礎地質條件出發，界定了開魯盆地的發展歷史，全面分析了研究區的水文地質條件、水文地球化學特徵及地下水的含鈾性，確定了在整體坳陷期形成的姚家組和四方臺組區域承壓含水層的找礦意義。
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