irrigation water quality 中文意思是什麼

irrigation water quality 解釋
灌溉水質
  • irrigation : n. 1. 灌溉；水利。2. 【醫學】沖洗（法），〈pl. 〉沖注洗劑。adj. -al ,-ist n. 灌溉者，水利專家。
  • water : n 1 水；雨水；露；〈常作 pl 〉 礦泉，溫泉；藥水。2 〈常 pl 〉水體；水域；水道；海；湖；河；海域；...
  • quality : n 1 質，質量；性質，特質；品質，品位。2 優質，美質，優點。3 才能，能力，技能，素養。4 品種。5 身...
  1. The soil self - purification, the influencing and determinate factors of the soil environmental capacity, and its application in controlling the area gross pollutants, constituting the soil - environmental quality standards, the irrigation water quality standards and the contaminative mud standards in farmland were discussed

    論述土壤自凈作用，土壤環境容量影響和確定因素，土壤環境容量在區域污染物的總量控制、土壤環境質量的標準的制定、農田灌溉水質標準、污泥農田施用標準等方面的應用。
  2. In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions

    本文從試驗及試驗資料入手，取得以下主要成果和結論：對鹽堿地水稻節水灌溉技術進行優化研究，系統地分析了不同節水灌溉技術對水稻生理指標及產量的影響，採用了多目標模糊優化的方法，對灌水技術進行綜合評判，優選了節水灌溉技術，論證該地區宜採用水稻控制灌溉技術；闡述控灌技術通過調節和控制水稻的需水規律，降低水稻高產情況下的無效水量消耗，從水稻生理、生態節水兩方面分析了控灌技術節水機理，針對性地總結出水稻各生育期實施節水控灌技術的步驟及技術要點；通過控灌與淹灌的定量對照比較，從根系、莖蘗、冠層葉片及綠葉動態到株高，土壤水分變化，抗病蟲害、抗倒伏能力，稻田土溫變化，產量構成因素及稻米品質等諸多方面進行動態比較，分析控灌技術高產優質機理；在鹽堿稻地採用控制灌溉+間歇淋洗模式，跟蹤測試田間水鹽變化狀況，驗證控制灌溉技術在鹽堿地區水稻灌溉中應用的適應性，通過分析水稻控制灌溉淋洗條件下水稻生理生態指標，提出優化控制灌溉+間歇淋洗組合模式，為進一步在高礦化度地區試驗水稻控灌技術奠定基礎。
  3. The study was primarily conducted to investigate the effects of various irrigation managements on the yield, quality and wue of alfalfa and the sustainable utilization of soil - water in north china plain. five treatments were applied : 0mm, 30mm, 50mm, 75mm and 100mm irrigating at the beginning of the second growth cycle in 2001

    本研究通過兩年的灌溉實驗，根據對降水情況、土壤水分的蒸發量、蒸散量與苜蓿各生物學指標的分析，初步探討了在華北平原地區不同灌溉處理對于苜蓿產量、品質、水分利用率以及苜蓿地土壤水資源利用可持續性的關系。
  4. Drip irrigation under mulch is a advanced technique combined by the trickle irrigation technique and the polyethylene film planting technique, which have the advantages of saving water, enhancing yields, upgrading quality and high utility

    膜下滴灌是當今世界最先進的滴灌灌水技術和覆膜種植栽培技術相結合的產物，同傳統的灌水方式和栽培技術相比較具有節水、高產、優質和高效的優點。
  5. Special plans for the prevention of floods, the control of water - logging, irrigation, navigation, urban and industrial water supply, hydro - electric power generation, bamboo or log rafting, fishery, water quality protection, hydrologic surveys, the general prospecting and dynamic monitoring of groundwater, etc., shall be formulated respectively by the competent departments of the people ' s governments at or above the county level and shall be submitted to the people ' s governments at the corresponding level for approval

    防洪，治澇、灌溉、航運、城市和工業供水、水力發電、竹木流放、漁業、水質保護、水文測驗、地下水普查勘探和動態監測等專業規劃，由縣級以上人民政府有關主管部門編制，報同級人民政府批準。
  6. Measurements of rainfall and water loss as a result of evaporation are essential for various applications in connection with water resources planning, drainage design, water quality control, reservoir design and operation, irrigation as well as hydrological forecasting and flood control

    量度雨量及因蒸發作用而引致水的損耗非常重要，所得結果可以應用於水利資源策劃排水系統設計水質控制水塘設計和管理灌溉水文預報及防洪等。
  7. Hydrometeorology is concerned with the study of these atmospheric processes which affect the water resources of the earth and which are of interest to the meteorologist and the hydrological engineer. measurements of rainfall and water loss as a result of evaporation are essential for various applications in connection with water resources planning, drainage design, water quality control, reservoir design and operation, irrigation as well as hydrological forecasting and flood control

    水文氣象的研究范圍包括所有影響地球水利資源而氣象學家和水文工程師又有共同興趣的大氣過程。量度雨量及因蒸發作用而引致水的損耗非常重要，所得結果可以應用於水利資源策劃、排水系統設計、水質控制、水塘設計和管理、灌溉、水文預報及防洪等。
  8. Aim to analyze the problems in the course of the exploitation and utilization of water resources and offer some references to the sustainable utilization of water resources in baoji city, shaanxi, china in the future. methods beginning with the restrained factors that affects the sustainable exploitation of water resources, the main problems is systematically analyzed that exposed in the course of the exploitation and utilization of water resources : utilization ratio of water resources is low, water waste is serious ; groundwater is exploited excessively, water level drops continuously ; water pollution is serious, water quality worsens obviously ; management system of water resources is imperfect, the facilities of irrigation works wear out seriously. results it is suggested that pursue saving water all - round to build a water - saving society, and perfect the paid - use system of water resources to implement the industrial management of water resources, and strengthen the protecting consciousness of water resources together with controlling groundwater exploitation strictly, and increase the fund investments to enhance the irrigation works abilities of adjusting, holding and preventing the flood, and strengthen the network management of water resources besides improving the official specialized quality. conclusion the reasonable exploitation and utilization of water resources plays a key role in the sustainable development of economy and society in baoji city, shaanxi, china

    目的分析寶雞市水資源開發利用中存在的問題，為今後水資源的可持續利用提供參考依據.方法從影響寶雞市水資源可持續利用的制約性因素入手，系統分析了在水資源開發利用中存在的主要問題:水資源利用率低，浪費嚴重;地下水開采過度，水位持續下降;水污染嚴重，水質明顯惡化;水資源管理體制不健全，水利工程設施老化嚴重.結果提出了相關的解決對策:全面推行節約用水，建立節水型的社會;完善水資源有償使用制度，實現水資源的產業化管理;強化水資源保護意識，嚴格控制地下水開采;加大資金投入力度，提高水利工程的調蓄防洪能力;加強水資源網路化管理，提高管理人員的專業素養.結論水資源的合理開發和利用是實現寶雞市經濟社會可持續發展的關鍵
  9. The special regularity of water quality variation in the river during the irrigation period was presented, i. e. water quality deteriorates at the beginning of water supply and will gradually be improved to a steady state

    結果表明：灌溉期水庫供水時，河流水質有其特殊的變化規律：供水初期水質惡化，然後水質逐漸好轉並趨于穩定。
  10. Discussion on forecast model of irrigation water supply and quality in hunhe sluice

    渾河閘灌溉供水及水質預報模型的探討
  11. But, when the total water quantity is reduced 30 % of present average amount in the 2010, the total salinity of groundwater will have significant increase in the different period ( pre - summer irrigation, post - summer irrigation, pre - autumn irrigation and pre - freezing up of soil four periods ). the water quality will be likely to deteriorate ; in addition, the prediction models of soil moisture and saline concentration are established

    通過試區土壤水分、鹽分的bp與rbf模型的模擬與檢驗，預測了2005年、 2010年夏灌前、夏灌后、秋澆前與封凍前的土壤水鹽狀況，得出上壤水分隨著灌水量的減少呈下降趨勢，而土壤鹽分在淺層與中層呈現出不同的結果： oa
  12. Irrigation water, as well as drinking water, is growing scarce3 and deteriorating4 in quality around the world

    在世界范圍內，灌溉水和飲用水越來越少，水質越來越差。
  13. Water resources for agriculture in yuanshi county is of scarcity and the annual sewage discharge reaches 3. 35 million m ^ 3, which is exceed the quality standard for irrigation water

    摘要河北省元氏縣農業水資源嚴重不足，縣城污水年排放量335萬立方公尺，按《農田灌溉水質標準》屬超標水質。
  14. Study on the model of return water quality of irrigation in farmland

    農田灌溉退水水量水質平衡模型研究
  15. Through the water quality analysis on the cod tp, tn in the irrigation water and drainage water in a model experimental field, the regulation and its influence on environmental water pollution by the drainage water was also studied

    通過對蕭山聞堰鎮某二季晚稻試驗田灌溉用水和農田排水的逐次記錄和取樣分析，研究了農田退水中cod 、 tp 、 tn的排放量和排放濃度變化，以及農田退水對本地水環境的影響。
  16. This article is focused on the effect of field measures on the price and quality of drip irrigation system and exactly determining the quantity of irrigation water

    本文著重研究的滴灌系統的田間工程對滴灌系統的造價和灌水均勻度的影響，以及精確測定灌水量的簡便途徑。
  17. Standards for irrigation water quality

    農田灌溉水質標準
  18. To protect the streams and the marine water quality, a closed low flow drainage system is proposed and golf course runoff will be eventually diverted to the existing reservoir for irrigation purpose

    3 . 20為了保護溪流和海洋水質，建議興建一個密封低流量的排水系統以將高爾夫球場的徑流分導去現有用以灌溉的蓄水庫。
  19. Each wcz declared by the government would have a set of water quality objectives developed that were appropriate for its characteristics and its beneficial uses an expression that refers to what the water in question is mostly used for, as for example drinking, recreation, irrigation etc

    根據各水質管制區的特質和有益用途即水體的主要功能，例如飲用康樂活動灌溉等用途擬定一套水質指標。所以各水質管制區的水質指標不盡相同。
  20. The parasitic thermal energy produced combined with the electricity that is generated make the treatment plants self - sufficient and wastewater from sewage treatment works can be purified to industrial water quality for reuse as irrigation water or can be treated to even higher quality standards if required

    產生的熱量與生成的電能相結合使處理工廠可以自給自足，廢水通過污水處理系統凈化后可以達到工業用水質量並做為灌溉水重新使用，或者處理為符合更高質量標準的用水（如果需要） 。
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