水鹽堿化 的英文怎麼說

中文拼音 [shuǐyánjiǎnhuà]
水鹽堿化 英文
water salination
  • : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
  • : 名詞1. (食鹽; 鹽類) salt 2. (姓氏) a surname
  • : 名詞1. (含氫氧根的化合物的統稱) alkali2. (碳酸鈉) soda
  1. Characteristic of moisture and salt dynamic in saline - alkalized grassland of songnen plain during thawing period

    松嫩平原草地消融期土壤運移特徵
  2. Distribution, formation and characteristics of the saline - alkalized land in northeast china was systematically analyzed and agro - biological measures for management of saline - alkalized soil were illustrated, including cultivation of rice to wash down salts, cultivation practices, soil building practices, plantation of salt - tolerant plants and biological removal of alkali, etc. in the paper

    特殊的氣候、地形和文地質等自然因素以及人類不合理的農業技術措施和社會生產活動等人為因素加劇了該區發生、分佈與演變。
  3. Through the analysis on the discrepancy between the indexes of land use and landscape structure of both the periods, the change of the eco - environment caused by the causations of both the nature and the human activities is pointed out that the total area of the studying region is somewhat reduced ; the alkali - saline land therein is utilized for fishery breeding ; a part of the unused land and water area are basified ; the sorts of landscape are rich and uniform and serious fragmentations are locally occurred

    通過分析兩期土地利用及景觀結構指數之間的差異性,指出由自然和人為原因引起的生態環境的變:研究區總面積有所減少,地改良後用于了魚蝦養殖,部分未利用地和,區域景觀類型豐富且均勻,局部破碎嚴重。
  4. 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:對稻節灌溉技術進行優研究,系統地分析了不同節灌溉技術對稻生理指標及產量的影響,採用了多目標模糊優的方法,對灌技術進行綜合評判,優選了節灌溉技術,論證該地區宜採用稻控制灌溉技術;闡述控灌技術通過調節和控制稻的需規律,降低稻高產情況下的無效量消耗,從稻生理、生態節兩方面分析了控灌技術節機理,針對性地總結出稻各生育期實施節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,土壤分變,抗病蟲害、抗倒伏能力,稻田土溫變,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;在稻地採用控制灌溉+間歇淋洗模式,跟蹤測試田間狀況,驗證控制灌溉技術在地區稻灌溉中應用的適應性,通過分析稻控制灌溉淋洗條件下稻生理生態指標,提出優控制灌溉+間歇淋洗組合模式,為進一步在高礦度地區試驗稻控灌技術奠定基礎。
  5. The soil salification is a serious problem for agriculture and environment. especially now with the development of industry, the situation of soil salification becomes more and more serious, and the quality of water is continuous worsened. research on the mechanism of salt tolerance especially in the important crops, such as wheat, is becoming more urgent than ever before

    土壤是影響農業生產和生態環境的嚴重問題,隨著工業污染加劇,灌溉用的質量不斷下降和肥使用不當等原因,次生土壤面積有不斷加劇的趨勢,給農業生產造成重大損失;黃矮病毒病是小麥等禾本科植物的重要病害之一,其傳毒介體蚜蟲更使植物產量損失巨大。
  6. In areas which are prone to salinization - alkalization and water - logging, measures shall be taken to control and lower the groundwater level

    在容易發生和漬害的地區,應當採取措施,控制和降低地下位。
  7. To adopt well irrigation and well drainage, develop and utilize ground water resources of irrigated area can not only effectively reduce the ground water level and prevent secondary alkalization of the soil, but also provide timely irrigation to crops through well and canal complementary

    摘要灌區灌溉採用井灌井排,開發利用地下資源,不但能有效降低地下位,防止土壤次生,還可以通過井渠互補,使農作物得到適時灌溉。
  8. ( 5 ) the maximum water level risen by the enclose tideland cultivation around the reservoir is 0. 66m, the responding quality is 2000mvs, which heavily effect the environment around the reservoir. the reservoir " s water level is risen because cross section and flood canal become narrow, which caused by building dam, this makes groundwater unsmooth, drainage, even flow from a lower to a higher space and soil salinized

    66m ,且為2000m 』兒的常年洪,對庫區周邊環境的影響較大,因打壩築堤縮小過斷面和行洪通道造成位進一步抬升,致使庫區周邊灌區地下不暢,乃至倒灌,型成士地
  9. Effect on corn yield and character of leaching saline sodic soil with mildly salty water

    微鹹淋洗改良對旱田豇豆產量及性狀影響
  10. The purpose of this web site is to share my experiences with workers in any country on water logging in agricultural lands, irrigation induced soil salinity, subsurface drainage for agriculture ( horizontal and vertical ), reuse of groundwater, ground - water hydraulics, ( geo ) hydrology, rainfall and surface runoff relations, reclamation and improvement of water logged saline, salty, sodic alkaline, and acid sulphate soils, plant growth, crop production and responses as well as statistical analysis consisting of segmented linear regression and cumulative frequency distributions

    描述:探討農業耕地的澇問題;灌溉導致的土壤;地表灌溉;地下的再利用;地下力學;雨流失的關系;淺地表排;土壤開墾及澇,酸性,性土壤的改良;片段線形回歸和累積頻數分佈的統計分析等。
  11. 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,地下長時間得不到排泄而產生浸沒,造成農田、沼澤和地溫降低等一系列環境問題,均系堤防建設區各級政府、沿江居民和國內外部分工程及文地質專家、農業與環境保護專家共同關心的話題。
  12. The building and application of water and salt database management system of soil

    田間低礦灌溉的土壤過程的探討
  13. The comparison of the effect on the water propertles of alkaline - saline grassland between biological and chemical amel iorates

    學改良對重度草地土壤分特性影響的比較研究
  14. Now the air is polluted ; the earth is poisoned ; water is unsafe to drink and rubbish is burying the civilization that man owns

    現在空氣被污染了,土地了,人們不能安全飲,垃圾埋藏了人類文明。
  15. 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

    本文從青銅峽庫泥沙淤積入手,分析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、造成同級流量下位抬升庫回上延、對沿岸及過河建築構成影響、因位抬升致使庫區周邊灌區地下不暢乃至倒灌而造成土地、對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,提出庫區圍墾堤是位抬升的重要原因。
  16. The saline concentration in the 0 - 40cm layer will produce desalination trend in the 2010. however, the saline concentration in the 40 - 70cm will be slightly accumulated

    總體上節改造工程對灌區淺層土壤改善與防治有積極效果,但中層仍存在潛在的可能。
  17. Adopt the mean of analyzing the factors which influence the output of the crops to quantity and determine the factors, assess the correlation among the grading factors in the units and calculate the point value of these factors ; determine the weigh value of the factors. ten factors, which are content of organic matter, thickness of soil layer, quality of soil, pickled degree of land, condition of irrigation and state of shelter belt, the degree of land " s leveling, central focus region ( focus region location ), utilization method of soil, are chosen as grading index at last

    本文採用因素法定量評價各地塊定級單元的相關性和權重性,最終選定了有機質含量、土層厚度、土壤質地、程度、排能力、灌溉保證率、防護林完整度、條田平整度、中心區位,土地利用方式等因子作為定級的指標,使用了加權加和因素法進行了的定級計算,逐步完成了農用地質量情況的評價,劃分出了級別。
  18. Tasmania is in a good position to manage and repair our dryland salinity and water quality issues so we do not experience what is occurring on the mainland, but something must be done now as the tasmanian nap region is already affected by salinity and poor water quality

    描述:塔斯馬尼亞島國家分和質行動計劃的主要任務是保護和復原排溝、漫灘和濕地;阻止和改善排設施等。
  19. In recent years, such problems as the extension and application of on - film irrigation, reclamation of salinized soils, and prevention of secondary salinization have made it important to study coupled movement of soil water, salt and heat transfer under plastic mulch in arid and semi - arid areas

    近年來覆膜灌溉的推廣應用、地開發和改良以及土壤次生防治等問題使得研究西北乾旱-半乾旱地區覆膜條件下土壤、熱耦合遷移規律成為重要課題。
  20. We summarize our results as follow : during the period of 1981 - 2000, there was a great change of land use in the county. the area of arable land, forest and saline - alkali land increased ; water land and resident land changed a little ; the area of the grassland and wasteland decreased greatly

    結果顯示:在1981 2000年這二十年間,長嶺縣的土地利用變總的趨勢是:耕地、林地和地面積增加,域、居工用地變不大,未利用地部分已被利用,草地面積急劇減少,並伴隨著日益加劇的沙
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