water leaching 中文意思是什麼

water leaching 解釋
水浸出
  • 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;...
  • leaching : 焊散漂出,熔出
  1. 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。
  2. The results were as follows : leaching solution by hot water extraction was date in color and had mellow date aroma and the highest fusel oil content but strong bitter taste ; leaching solution by pectinase enzymolysis had the highest reducing sugar content easy for fermentation but excessively high methanol content in fermenting wine ; leaching solution by microwave extraction had the shortest extraction time and fermentation time and the highest ethyl acetate content in wine and the produced wine had special aroma

    結果表明, 90熱水浸提,浸提液發酵酒顏色呈棗紅色,雜油醇含量最高,有濃郁棗香,但苦味重;果膠酶酶解浸提,浸提液還原糖含量最高,利於發酵,但發酵酒的甲醇含量過高;微波強化浸提,浸提時間和發酵時間最短,所得棗酒的乙酸乙酯含量最高,且有特殊香味。
  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. Contrasting stone coal to the soil developed from it and water to water leached from stone coal shows that slight fluorine pollution of surface water and plant resulted from weathering of stone coal and leaching

    摘要通過對比典型剖面上的石煤及其風化發育的土壤的氟含量、流經石煤層的水與不經過石煤層的水的氟含量,研究石煤風化、淋溶時氟對土壤、地表水和農作物的影響。
  5. Fuzzy comprehensive assessment of the underground watercontaminated by the leaching water of dumping area of open pit coal mine

    露天煤礦排土場地下水環境質量影響的模糊綜合評價
  6. Article 3 the term “ water resources ” as referred herein shall mean utilization of artificial means or control of surface or ground waters for the purposes of flood control, tide water defense, irrigation, drainage, leaching of injurious salt, soil conservation, water reservation, silt dredge, water supply, pier construction, navigation, and water power development

    第3條(水利事業之定義)本法所稱水利事業,謂用人為方法控馭,或利用地面水或地下水,以防洪、御潮、灌溉、排水、洗咸、保土、蓄水、放淤、給水、築港、便利水運及發展水力。
  7. Effect on corn yield and character of leaching saline sodic soil with mildly salty water

    微鹹水淋洗改良對鹽堿化旱田豇豆產量及性狀影響
  8. Standard test method for determining changes in fire - test - response characteristics of cushioning materials after water leaching

    測定水浸出后襯墊材料燃燒試驗響應特性變化的標準試驗方法
  9. Leaching the removal of humus and soil nutrients in solution by water moving down the soil profile

    淋洗作用:流水沖走土壤表面的腐殖質和營養成分的過程。
  10. Test method for determining changes in fire - test - response characteristics of cushioning materials after water leaching

    襯墊材料水淋洗后燃燒試驗響應特性變化測定方法
  11. Over - irrigation not only wastes water but could result in leaching of fertilizer ( primarily n ) below the root zone

    過量灌溉不僅浪費水資源而且還可能引起肥料向根區以下的淋失(主要是氮素) 。
  12. 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。
  13. But on the later condition the trend of accumulation turned to be stable in the w3 treatment ( vseawater / v pure water = 1 ) - in root zone soil, variation of sar value accorded with total salt accumulations and sometimes decreased at the treatment where the v seawater / v pure water > 1. contents of cl - and na + which were the main ions and leached obviously in 0 - 60cm soil were greatly influenced by rainfall, but the rainfall did not affected the contents of ca2 +, mg2 + and k + whose ability of leaching is worse than that of cl - and na + in the root zone soil obviously. the vertical distribution of salt ions in the 0 - 60cm soil were mainly affected by the ratio of v seawater / v pure water in the irrigation water on the condition of not enough rainfall, but on the cont

    海水灌溉下,耕層土壤中鹽分含量受降雨量影響很大,足夠的降雨條件下,鹽分不會積累,降雨量較低時,鹽分積累明顯,但在50海水處理下趨于平衡狀態;耕層土壤sar值的變化情況和鹽分含量變化情況相一致,在灌溉水中海水濃度大於50時有所下降;土壤中主要鹽離子為cl ~ -和na ~ + , 0 - 60cm土層內, na ~ + 、 cl ~ -明顯的向土壤底層遷移,其在土壤中的含量受降雨影響顯著,而ca ~ ( 2 + ) 、 mg ~ ( 2 + )和k ~ +在土壤中遷移能力較低,其含量受降雨影響較小; 0 - 60cm層次土壤鹽分的縱向分佈在降雨量較低的條件下主要受灌溉水中海水濃度的影響,而在降雨充分的條件下,地面覆蓋程度成為重要的影響鹽分和水分脅迫下菊芋的生理響應及其海水灌溉研究因子之一。
  14. Standard practice to evaluate leaching of water - soluble materials from latex paint films

    評價從乳膠漆膜中浸出的水溶性材料的標準實施規程
  15. Wood preservatives. methods of measuring losses of active ingredients and other preservative ingredients from treated timber. laboratory method for obtaining samples for analysis to measure losses by leaching into water or synthetic sea water

    木材防腐劑.對已處理木材有效成分和其它防腐成分損失的測量方法.用水或合成海水浸出法對獲得試樣進行損失測量分析的實驗室方法
  16. Vegetable nitrogen contention and nitrogen leaching in soil were strongly affected by water and nitrogen supply in the experiments

    土壤中0 100cm硝態氮積累量隨著施氮量的增加而增加,隨著灌水量的增加而降低。
  17. Therefore, it is useful to decrease nitrogen application amount or even with n application in split time so as to decrease the n loss and leaching in the paddy - field. 6. to define and calculate even productivity of nitrogen in the surface water - body ' of paddy field ( epnw ), marginal productivity of nitrogen in the surface water ( mpnw ) and elasticity coefficient of nitrogen in the surface water ( ecnw ), indicated that epnw and ecnw increased with n application amount increase, however mpnw has no the rule

    6 .定義和計算水氮平均產生力、水氮邊際產生力和水氮產生力彈性系數,表明水氮平均產生力和水氮產生力彈性系數是隨著施氮量的增加而增加的,而水氮邊際產生力隨施氮量的增加並沒有表現出明顯的增加趨勢。
  18. Nitrate was leached from the soil when water application was started. irrigation, fertilizer and temperature strategy had a large effect on the temporal envelopment in nitrate leaching. the more the irrigating quota is

    45mm灌水與30mm灌水相比15cm硝態氮含量明顯降低,而30 、 45cm土層含量相對增加,施肥量、溫度越高土壤各層中硝態氮含量越高。
  19. Ge and cd holded the same origin as major metal elements. the content of ge in no. 3 ore body approaching the earth ' s surface is much larger than that of deeper ore body, owning to germanium ' s high activity in the earth ' s surface, relatively low - temperature and biology action. the ore - forming pattern can be generalized " atmosphere water leaching - convection circle - metallogenic "

    Ge 、 cd與主金屬元素的來源一致,在接近地表的3號礦體中ge含量遠大於其下部的6號和8號礦體,其原因在於鍺在表生條件下的高活動性、相對低溫易於鍺的富集以及生物可能參與了鍺的富集。
  20. Comparatively, soil column leaching method was much closer to the field reality than water dissolution rate method

    相對而言,考慮土壤因子的土柱淋出率法較水中溶出率法更為接近田間實際。
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