sediment pollution 中文意思是什麼

sediment pollution 解釋
沉積物污染
  • sediment : n. 1. 沉澱（物）；沉渣。2. 【地質學；地理學】沉積物。
  • pollution : n. 1. 污染（作用）。2. 腐敗，墮落。
  1. The research indicates that the modern sediment is divided three layers : polluted layer, transition zone and unpolluted layer. just the pollute layer cause dianchi lake environmental pollution. the high value district of ammoniac nitrogen distributes near northern part haigeng mainly, middle part increase slightly, have most lower near southern part, the content of ammoniac nitrogen of the polluted layer sediment lower than the lower layer ; the high value district of effective phosphorus distributes near haikou - jinning, from the north to the south, the content of effective phosphorus increases progressively, the content of effective phosphorus of the polluted layer sediment obviously higher than the lower layer

    研究結果表明：滇池現代沉積物主要分為三層，污染層、過渡層和未污染的湖泊沉積層，其中污染層是對滇池環境污染造成影響的層位；氨氮的高值區主要分佈在北部海埂附近，中部略有增高，南部則最低，表層沉積物的氨氮含量低於下層；而有效磷的高值區則分佈在海口?晉寧附近，由北向南，有效磷的含量依次遞增，表層有效磷的含量要明顯高於底層。
  2. Similar sediment pollution scenarios are occurring in the headwaters of the salween and yangtze rivers

    在薩爾溫江和長江上游也存在類似的泥沙污染狀況。
  3. The assessment on the pollution of heavy metals in sediment of guangxi inshore

    廣西近岸海域沉積物中重金屬污染評價
  4. Heavy metal pollution of stream sediment in panzhihua area

    攀枝花地區河流沉積物的重金屬污染研究
  5. Index of geoaccumulation ; taizi river ; sediment ; heavy metal pollution

    地積累指數太子河沉積物重金屬污染
  6. Review of water quality models for sediment - induced pollution

    泥沙污染水質模型研究綜述
  7. This paper summarized the progress of studies on the environmental pollution of heavy metals in lake sediment

    摘要綜述了湖相沉積物重金屬環境污染研究進展。
  8. ( 3 ) pah " levels in maricultural site tvere much higher than that in the adjacent non - maricultural site, and it showed that mariculture was one of the contributors of marine pah " pollution in seal atef. 2 western xiamen harbort ( 1 ) pah " levels in surface seat " ater and sediment of the survey site " ere quite severe

    5系統研究了鱸魚、真鯛體內不同器官、組織的生化指標? ?過氧化氫酶（ cat ） 、超氧化物歧化酶（ sod ） 、脂質過氧化（ lpo ）指標，結合水體及生物樣的pah污染分析結果，探討了這些指標對水環境pah污染的指示作用。
  9. In 2005, 61 physical and chemical parameters were measured and analysed in sediments. these included particle size, electrochemical potential as highly anoxic sediment with negative potential is related to organic pollution, chemical oxygen demand which indicates organic pollutants, total sulphide inorganic constituents, source of the unpleasant - smelling gas hydrogen sulphide, 15 metals and metalloids aluminium, arsenic, barium, boron, cadmium, chromium, copper, iron, lead, manganese, mercury, nickel, silver, vanadium and zinc, and trace toxic organics pahs and pcbs - 16 compounds and 18 congeners respectively

    2005年，沉積物監測包括分析61種物理及化學參數，其中有粒子大小電化學勢有機污染促使沉積物缺氧，而讓電化學勢呈負數值化學需氧量顯示有機污染程度總硫化物無機物，是造成難聞氣體硫化氫的主因15種金屬及準金屬鋁砷鋇硼鎘鉻銅鐵鉛錳汞鎳銀釩及鋅和痕量毒性有機物多環芳烴及多氯聯苯分別為16種復合物及18種同質物。
  10. The results showed that both of water enverionment and biotic enverionment were good, and surface sediment enverionment was polluted in middle level besides that of some stations were seriously polluted, in which c ( subscript d ) plaied a main role in pollution

    結果表明，水質環境和生物環境處于良好水平；表層沉積環境處于污染水平，有的站達到嚴重污染水平，其中重金屬錫的貢獻率最大。
  11. The characteristics of heavy mentals distribution and pollution in sediment from lake taihu

    南海北部陸架區表層沉積物中重金屬分佈和污染狀況
  12. Spef ; chai river ; sediment ; heavy metals ; pollution

    次生相富集系數法柴河沉積物重金屬污染
  13. Secondary phase enrichment factor for evaluation of heavy metal pollution of sediment in the chai river

    應用次生相富集系數評價柴河沉積物重金屬污染
  14. Yellow river ; sediment ; water pollution ; interactions between sediments and water

    黃河泥沙水污染泥沙與水相互作用
  15. On the basis of previous studies, the paper presents a comprehensive review and summary on the influence of sediment to water quality in the yellow river, highlighting four issues : 1 the influence of the sediment on pollutant behavier, 2 the relationship between sediment - associated natural organic matter and water quality parameters of oxygen - consuming organic pollutants and its influence on the assessment of the water quality in the yellow river, 3 the relationship between the heavy metal background values of the sediment and the water quality parameters of the heavy metals and its influence on the assessment of the pollution of the yellow river, 4 the influence of sediment ? ? containing much carbonates in the yellow river on the water quality and the monitoring of the water quality

    黃河是世界上罕見的多泥沙河流，泥沙與水相互作用對黃河水質產生顯著影響。根據以往研究工作，對黃河泥沙與水質的關系問題作全面的總結評述和展望，著重於4個問題： 1黃河泥沙對污染物行為的影響2黃河泥沙中的天然有機質與黃河耗氧有機物水質參數的關系和對污染評價的影響3黃河泥沙中的本底量重金屬與黃河重金屬水質參數的關系和對污染評價的影響4黃河泥沙中的碳酸鹽對水質和對水質監測研究的影響。
  16. On the basis of previous studies, the paper presents a comprehensive review and summary on the influence of sediment to water quality in the yellow river, highlighting four issues : 1 the influence of the sediment on pollutant behavier, 2 the relationship between sediment - associated natural organic matter and water quality parameters of oxygen - consuming organic pollutants and its influence on the assessment of the water quality in the yellow river, 3 the relationship between the heavy metal background values of the sediment and the water quality parameters of the heavy metals and its influence on the assessment of the pollution of the yellow river, 4 the influence of sedimentcontaining much carbonates in the yellow river on the water quality and the monitoring of the water quality

    黃河是世界上罕見的多泥沙河流，泥沙與水相互作用對黃河水質產生顯著影響。根據以往研究工作，對黃河泥沙與水質的關系問題作全面的總結評述和展望，著重於4個問題： 1黃河泥沙對污染物行為的影響2黃河泥沙中的天然有機質與黃河耗氧有機物水質參數的關系和對污染評價的影響3黃河泥沙中的本底量重金屬與黃河重金屬水質參數的關系和對污染評價的影響4黃河泥沙中的碳酸鹽對水質和對水質監測研究的影響。
  17. A method of secondary phase evrichment factor for evaluation of heavy metal pollution in sediment was proposed. a case study was carride out for the chai river based of field samping and analysis. the approach was compared with currently used methods

    目前，國外學者提出的幾種關于河流沉積物重金屬污染評價方法，具有其本身的特點和應用性，但也存在著某些局限性。為彌補這些評價方法的不足，提出了次生相富集系數法，並應用此法對柴河流域沉積物重金屬的污染水平進行了評價。
  18. The results indicated that with the change of water and sand condition and the altitude of tongguan and the development of the industry and agriculture in recent decades, the water environment of wei river had changed largely, which were shown as follow : annual runoff and seasonal flood decreased sharply ; water stream of large discharge decreased and the range of runoff decreased greatly ; sediment load per year decreased generally, sediment concentration of water increased, and the sand silting up was serious ; water channel swung and shrank, and water regime deteriorated ; frequencies of big floods decreased obviously, and hyper concentrated flood increased obviously ; water levels of the same runoff rose universally, and the frequencies of the floods increased and aggravated ; water pollution was very serious

    結果表明，近期隨著水沙條件、潼關高程等的變化及工農業的發展，渭河的水環境發生了巨大變化，表現在年水量及汛期水量銳減；大流量級水流出現次數減少，水量減少幅度大；年輸沙量總體減少，河水含沙量增大，泥沙淤積嚴重；河道向擺動型發展，河道萎縮，河勢惡化；大洪水發生的次數顯著減少，高含沙小洪水明顯增多；同流量洪水位普遍抬高，洪災發生次數增加，洪災加重；水質污染極為嚴重。
  19. The main contents related to the scheme were introduced as follows : the characteristics and status of sediment pollution, the determination of the range, the depth, and the scale of sediment dredging projects, the treatment of dredged sediment, the disposal of the remaining water, etc

    詳細闡述了該方案涉及的主要內容：底泥污染特性及污染狀況分析，疏浚平面范圍、疏浚深度及疏浚工程規模的確定，疏浚底泥處置及余水處理等。
  20. Few groups, including environmentalists, nongovernmental organizations, international donors and government agencies, clearly see the magnitude of the problems associated with sediment pollution from mountain roads

    包括環保主義者、非政府組織、捐助國和政府機構在內的少數團體清楚地看出了山路建設帶來的泥沙污染問題的程度。
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