salinization 中文意思是什麼

salinization 解釋
鹽化過程
  1. Erlian basin is a rift lacustrine basin developed on the hercynian geosyncline folded base in early cretaceous, is featured by simple sedimentary feature, depositional cycle, small lacustrine transgressive, dry climate, salinization lacustrine water and multi - and - near sources

    摘要二連盆地是在海西期地槽褶皺基底上發育起來的早白堊世斷陷湖泊群,具有湖盆湖浸規模較小、氣候條件乾燥、湖水咸化、沉積旋迴單一,多物源、近物源和粗碎屑等沉積特徵,以及發育巖性地層油氣藏為主的油氣分佈特點。
  2. Soil salinization and countermeasures in protected horticulture

    設施園藝土壤的鹽化與治理對策
  3. There is an annual movement of salt with water in coastal solonchak in liaoning as follows : the thawing - evapo - salinization period in spring, irrigation - leaching - desalting period in rice growing season from may to september, evapo - salinization period again in late fall and relatively stable period in winter

    遼寧沿海鹽土中鹽分每年隨水移動如下:春季為凍融-蒸發-鹽化期, 5 ~ 9月為灌溉-淋洗-脫鹽水稻種植期,晚秋為蒸發-鹽化期,冬季為相對穩定期。
  4. The formation of salt - alkaline soil included salinization and alkalinization. the increase of salinity was the character of salinization, and the increase of ph was the character of alkalinization

    土壤的鹽堿化即包括土壤的鹽化又包括土壤的堿化,鹽化以上壤鹽度升高為特徵,堿化以土壤ph升高為特徵。
  5. In areas which are prone to salinization - alkalization and water - logging, measures shall be taken to control and lower the groundwater level

    在容易發生鹽堿化和漬害的地區,應當採取措施,控制和降低地下水的水位。
  6. The causes of devolution, desertation, salinization and solonization were analysed in two aspects : it is apparently due to overpopulation, overstocking, unreasonably using, lacking of new technique, frequent occurrence of nature disaster, small area and low output of artificial pasture and semi - artificial pasture, but the more deeply reason was that the function of grassland was not completely understood only emphasizing the economic efficiency and regrowthful resource in grassland while the ecological efficiency and its potential use were neglected

    本文主要從兩方面對草原三化進行了分析,首先從表面上看有以下幾方面原因,人口多、牲畜數量多、草原利用不合理、新技術推廣差、草原自然災害頻繁、人工半人工草地少產量低。其次又挖掘了草原退化的深層原因,第一對草原資源的功能和作用的認識具有片面性,只重視草原的經濟效益,卻忽略了它的生態效益;只重視草原資源的再生性,卻忽略了它的適宜可利用性。
  7. The environmental geological problems existing in the west liaohe plain involve desertification of land, salinization of soil, declining of groundwater level and pollution of groundwater

    摘要西遼河平原的環境地質問題主要表現為土地沙漠化、土壤鹽漬化、區域地下水位元下降及地下水污染等。
  8. Secondary salinization of soil is an important factor limiting the greenhouse cropping system

    設施土壤次生鹽漬化是我國設施農業生產中的一個重要限制因子。
  9. Because of obstructing by impermeable wall, groundwater drainaged long time brings about immersion, whether or not this will result in a series of water surroundings problems, such as farmland salinization, marsh, lowering of ground temperature and so on, which are all focused on by government, resident, experts in engineering, hydrogeology, agriculture and surroundings

    而是否會因為防滲墻的阻隔,地下水長時間得不到排泄而產生浸沒,造成農田鹽堿化、沼澤化和地溫降低等一系列水環境問題,均系堤防建設區各級政府、沿江居民和國內外部分工程及水文地質專家、農業與環境保護專家共同關心的話題。
  10. Prevention of soil secondary salinization by turning upland cropland into paddy fields in depressions of the songneng plain

    松嫩平原低平易澇地旱改水種稻治澇防止土壤次生鹽漬化技術的研究
  11. ( 2 ) aiming at the bigger irrigation quota of fall irrigation system and the complicacy of the salt movement in soil, the paper applies reservoir leaching model bring forwarded by w. h. van der molen to hetao irrigation district located in aridity area, and establishes salt leaching simulational model under the fall irrigation system. through calculating, the feasible fall irrigation quota is 100 - 120m2 / 667m2 in light salinization soil, and the feasible fall irrigation quota is 120 - 150 m2 / 667m2 in mild salinization soil. the model is reasonable and exact, and it can be researched deep

    ( 2 )針對在秋澆灌溉制度中秋澆定額較大,土壤中鹽分運移規律復雜的特點,利用w ? h ? vandermolen提出的水庫沖洗模型,建立了地處乾旱地區的河套灌區區域內的秋澆制度鹽分淋洗模擬模型。經計算在輕度鹽漬化土壤中秋澆的灌溉定額以100 120m ~ 3 667m ~ 2為宜;中度鹽漬化土壤秋澆的灌溉定額以120 150m ~ 3 667m ~ 2為宜,模型合理可靠,準確可行,可進一步向縱深方向進行研究。
  12. The factors causing soil salinization include natural factors such as climate, hydrological and geological conditions, and human - made factors, such as irrigation patterns and cultivating system

    鹽漬化土壤類型主要為典型鹽土、沼澤鹽土、堿化鹽土和乾旱鹽土。
  13. Prevent secondary salinization in songnen plain

    松嫩平原稻區防止次生鹽漬化的研究
  14. Application of radial base function artificial neural network in investigation of soil salinization

    徑向基人工神經網路法在土壤鹽漬化調查中的應用
  15. Based on this, the upper controlling index of soil water content is 80. 4 % and the days of waterlogged and salinization tolerance is 3. 2 days. the moisture and salinization movement mathematical model in the field under subdrainage condition is based on the assumption of neglecting the effects of horizontal hydraulic gradient, it can analogy the changes of soil water content and salinization which are changed with times and depth

    論文在忽略水平方向水力梯度影響的假定下建立了排水條件下麥田水鹽運移模型,模擬土壤水鹽含量隨時間、空間的變化情況。經與實測資料對比發現,計算值與實測值較為接近,故該模型及參數的確定是合理的,可用於預測麥田水鹽的動態變化。
  16. Qualitative analysis on the effect of flood control and engineering safety -, seizing lots of water conservancy effective adjust storage. then making water level risen and reservoir backwater enlarged in the same flow level ? effect on beach and the buildings across river, soil salinization caused by flow from a lower to a higher place and unsmooth groundwater drainage destroy of travel resource caused by disorder enclose tideland for cultivation in reservoir silt up flood plain are given, then presents enclose tideland for cultivation dyke is important cause which water level rise in reservoir

    本文從青銅峽水庫泥沙淤積入手,分析水庫泥沙淤積特性和庫區圍墾堤開發利用淤積灘地的現狀,對防洪安全及工程安全的影響、侵佔大量的有效調蓄庫容、造成同級流量下水庫水位抬升水庫回水上延、對沿岸及過河建築構成影響、因水位抬升致使庫區周邊灌區地下水排水不暢乃至倒灌而造成土地鹽堿化、對水庫庫區大量淤積灘地無序圍墾造成旅遊資源破壞等五方面影響的定性分析,提出庫區圍墾堤是水庫水位抬升的重要原因。
  17. Facing to the reduction of the water diversion from the yellow river for hetao irrigation district inner mongolia autonomy, and giving attentin to agriculture production and improvement of salinization, this paper researches optimization model of district water - saving irrigation water management. the paper also quests for the optimization model of crop irrigation system and the optimization irrigation strategy aiming at the short of water for agriculture. in order to save water and use water high efficiently, this paper researches the change regulation of irrigation system of spring - wheat that is the important crop in the irrigation districted establishes the multidimensional dynamic model of irrigation rules of spring - wheat. lt also makes the simulation model of salt leaching of fall irrigation rules during non - growing period, and sorts the elements influencing water - saving of irrigation system

    在內蒙古河套灌區的引黃水量減少又要兼顧灌區的農業生產和土壤鹽漬化向良性發展的形勢之下,本文針對灌區內區域灌溉水管理的現狀,對灌區內區域節水灌溉水管理優化模型進行了研究。研究針對農業水資源短缺的現狀,在節水灌溉條件下,對作物的灌溉制度進行優化模型探索,尋求最優灌溉策略。全文圍繞節水與高效用水,綜合應用了系統分析、灌溉排水及節水灌溉的原理和知識,研究了灌域內主要作物春小麥的灌溉制度的變化規律,建立了春小麥灌水制度的多維動態優化模型;建立了非生育期的秋澆制度的鹽分淋洗模擬模型;對節水灌溉水管理的影響因素的重要性進行了排序研究。
  18. Cause of formation and prevention and cure measure for secondary soil salinization in sheyang county of sichuan province

    射陽縣土壤次生鹽漬化的成因及防治對策
  19. The severe salinization has resulted in the economic loss about 14 billion yuan rmb ( price in 1996 )

    導致鹽漬化的因素有氣候、地形、水文地質、土壤質地等自然因素,以及灌溉方式和耕作制度等人為因素。
  20. On the basis of some research findings in recent years, the paper summarizes characteristics and causes of greenhouse soil salinization, and its effects on soil properties, including physical and chemical properties and microorganisms as well

    本文根據近年來的相關研究進展,綜述了設施土壤次生鹽漬化的基本特徵、形成原因及其影響因素,並闡述了設施土壤次生鹽漬化對土壤理化性質以及土壤微生物狀況的影響。
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