soil-water system 中文意思是什麼

soil-water system 解釋
土水關系
  • soil : n 1 泥土,土壤;土質。2 土地,國土。3 滋生地,溫床。4 農業生活,務農。n 1 臟東西,污物,污穢,污...
  • 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;...
  • system : n 1 體系,系統;分類法;組織;設備,裝置。2 方式;方法;作業方法。3 制度;主義。4 次序,規律。5 ...
  1. Based on an analysis of dynamic conditions for migration and precipitation of gold grains in water system and their diffusion in soil, this paper has advanced a discriminant formula for surfacce ore potential of gold anomalies from 1 : 50000 stream sediment survey, recounted methods for estimating the highest gold grade ores within the anomalies, calculated the discriminant indices for qinba area, and summed up index characteristics of ore - induced gold anomalies in 1 : 10000 soil survey, estimation formulae for orebody location as well as coefficients and constants of slope angles of various orders and grades

    摘要在分析金粒在水系中運移、落淤和在土壤中擴散動力條件的基礎上,本文建立了五萬分之一水系沉積物測量金異常地表含礦性的判別公式,闡述了推算異常內礦石最高金品位的方法並計算了秦巴地區的判別指數;總結出萬分之一土壤測量礦致金異常的標志特徵、礦體定位的估算公式及各級次地形坡度角的系數和常數。
  2. The paper suggested establishing groundwater and soil suveying system, therefore, to research the effect on soil and groundwater of exploiting waster water

    建議建立地下水和土壤監測系統,研究污水灌溉對土壤和地下水的影響。
  3. The land evaluation result ofhandan district show : 19. 7 % land is unsuitable for agricultural use for soil erosion risk ; 2. 5 % land is unsuitable for agricultural use for poor soil water condition ; 9. 5 % land is marginally suitable because water or nutrition condition is not good enough ; 68. 3 % land is suitable or very suitable for agricultural land use. the third part is the application of soter land information system in land use analysis based on statistical method and clue - s model. through land use analysis in handan, the main type of land use in handan is agricultural land use

    土地利用整體結構在1980 - 2000年沒有發生太大變化,只是林地上升至第2位形成耕地、林地、草地-城鄉工礦居民用地、水域、未利用土地的結構;邯鄲地區土地利用結構空間分佈研究表明:西部山區土地利用結構為林地、草地、耕地、水域、建設用地和未利用土地;中部丘陵臺地區土地利用結構為耕地、草地、建設用地、水域、林地和未利用土地;東部沖積平原區土地利用結構為耕地、建設用地、林地、水域和草地。
  4. From the aspect of soil characters, aggregate distribution and stability as well as aggregate stability mechanism of ferrisols were studied in this paper, which would have great importance in reducing water erosion danger, stabilizing and improving agricultural production, preserving soil resources and balancing soil ecological system

    本研究應用多種方法,從團聚體穩定性的角度,研究富鐵土對水力侵蝕的敏感性並探討其影響團聚體穩定的物理學機制,對于減小水蝕危害、保護土壤資源、維持和提高生產率、維護土壤生態系統平衡具有重要意義。
  5. All of theses database was integrated into a land information system, which can be used to land evaluation and land use analysis. the second part is the application of soter land information system in land evaluation, based on water balance model watsat, crop simulation model ps 123 and ales ( automated land evaluation system ). the handan land evaluation model was built in ales based on expert knowledge and farmer s " experiences, it includs three decision trees, namely soil erosion risk, soil water condition and soil fertility

    以邯鄲地區1 25萬soter土壤土地數據庫為基礎,探討了土壤參數區域化問題,並利用watsat區域水分平衡模型,研究了邯鄲地區區域水分平衡:大部分地區土壤水分滿足夏玉米生長需求, ( suff )值為0 . 8 - 1 . 0 ,非常適宜;部分地區如大名地區、邯鄲和永年部分地區、涉縣溝谷坡梁地區土壤水分適宜夏玉米生長, suff值0 . 4 ? 0 . 8 ;不適宜地區, suff值0 . 2 ? 0 . 4 ,主要集中於丘陵山區以及平原古河谷地礫石和粗砂分佈區。
  6. The field experiment study for cotton and corn was conducted in xiaobakou irrigation experiment station in minqin country, gansu province. the main results are as follows : ( 1 ) applying the theory of soil - water flow system in ground water, the mechanism of water - saving and product - enhancing for drip irrigation under mulch were analysised

    本文以棉花和玉米為研究對象,在甘肅民勤小壩口灌溉試驗站對此進行了系統的田間試驗研究,得出以下主要結論: ( 1 )應用地下水土壤水流動系統理論,分析了膜下滴灌節水增產的機理。
  7. Study on effect of maize root system and soil water in different cultivation way

    不同耕作方式玉米地下部生長發育及土壤水分狀況的研究
  8. 4. through field experiment, the effect of different irrigation quota on soil water and salt movement was studied under saline water irrigation. the suitable irrigation system were further discussed

    在田間微鹹水( 2 . 5g l )灌溉條件下,研究不同灌水定額對土壤水鹽運移規律和西安理工大學碩士學位論文作物產量的影響,並進一步探討了灌區適宜的灌溉制度。
  9. According to the correlativity between stomatal conductance and soil moisture, root system distribution and soil water profile, these greenbelt should irrigate when soil moisture is high, and their scheming wetted soil layer depth is shallow in slow consumption stage ; irrigate when soil moisture is low, and their scheming wetted soil layer depth is deep in quickest consumption stage ; irrigate when soil moisture is higher, and their scheming wetted soil layer depth is deeper hi slower consumption stage

    在草坪弱、泡桐中耗水期時,土壤高含水量時即須淺層灌溉補水,以滿足其萌發需要;中、強耗水期,可低土壤含水量時深層灌溉補水;微耗水期,為安全越冬,又需中深層灌溉補水。最大灌水定額由灌溉飽和點、補償點和計劃濕潤深度確定。
  10. As part of the nationa1 " 9 ' 5 " key project ( no. f 96 - a23 - 02 - 010 ) on instrumentation supported by the ministry of science & technology ministry this study took the behavior of soil - water - system dielectrics as a key point for further development and evaiuation of a new kind of standing wave ratio ( swr ) soil moistufe measuring system. a series of academic analysis and a lot of experiment research on swr4ased soil moisture sensor were catried out and presented in this paper. on the basis of the research, a new soil moisture sensof, which it is very suitab1e for field use, was developed

    本文在國家科技部「九五」儀器儀表攻關項目的資助下(專題號: 96 - a23 - 02 - 010 ) ,以土壤介電特性為研究的鍥入點,對基於駐波率原理( standingwaveratio ? swr )的土壤水分快速測量方法做了系統的理論分析和深入的性能分析研究,為研究開發成功swr型土壤水分測量傳感器奠定了基礎,同時研製出與全球定位系統( gps )聯合使用的土壤水分空間分佈速測儀樣機。
  11. Phosphorus behavior in soil - water system of paddy field and its environmental impact

    水系統中磷素行為及其環境影響研究
  12. Research in the translocation and transformation of phosphorus in soil - water system is of importance to environmental p management and controlling the eutrophication. a series of experiments and investigations in this paper were conducted to study the changes of p pool by a long - term applying fertilizer p, the translocation and transformation of phosphorus between interface of soil and water in relation to their environmental effects, using the upland fields from yellow soil area of guizhou province

    在貴州中部地區,通過對有代表性的黃壤旱地進行采樣分析和盆栽試驗,對其磷庫變化及其環境影響進行了研究,同時採用無界徑流小區試驗、野外坡面徑流小區試驗以及模擬降雨徑流試驗對坡旱地地表徑流中磷的含量水平、形態特徵、生物有效性、遷移規律、磷流失量及其影響因素進行了研究。
  13. Based on analyzing the information system of agricultural soil - water engineering science, one taxonomy according with net - intercommunion is put forward in which agricultural soil - water engineering science is divided into many parts : latest news, subject building, science articles, science units, science fruits, standards and laws, journals and magazines, famous specialist, popular science knowledge, relational link, etc. net - intercommunion ways such as forum on - line bbs, mail - list, index on - line are used in dealing with agricultural soil - water engineering science information

    本網站通過對農業水土工程學科信息體系的分析,提出了適應網路化信息傳播的分類方法,將農業水土工程學科分為最新新聞、學科建設、科技文獻、科研院所、科技成果、標準法規、學報雜志、知名專家、科普園地、相關鏈接等幾大版塊,並將網上常用的信息交流手段論壇bbs 、郵件列表、查詢檢索等引入農業水土工程信息處理。
  14. Ligang xu, jingsong yang, qi zhang, hailin niu. modelling water and salt transport in a soil - water - plant system under different groundwater tables. water and environment journal

    李正兆,高海鷹,張奇,徐力剛.撫仙湖流域典型農田區地下水硝態氮污染及其影響因素.農業環境科學學報
  15. Assembles, installs, repairs and maintains pipes, fittings, sanitary fixtures, cold, hot and flush water system, soil, waste and rain water drainage systems

    裝配、安裝、修理及保養喉管、配件、潔具、冷熱水及排污系統。
  16. An extensive collection of on - line tutorials provide information about laboratory safety, soil sciences, soil physics ( programs about heat transport, water infiltration, oxygen diffusion ), and the asis ( australian soil identification system )

    此外,網頁上的「在線指南」欄目還提供有關實驗室安全、土壤科學、土壤物理學等方面的信息。
  17. During the stability analysis, the safety coefficient and the most dangerous slipped layer of soil slope retained by compound soil nailing was studied. the stability of soil nailing was calculated. then, the influence functions of water, prestressed anchor and cement - soil retaining wall and front small - piles in the compound soil nailing system were studied

    在穩定性分析中,研究了復合土釘支護時土坡穩定的安全系數:介紹了最危險滑裂面的確定方法並採用幾何參數控製法來確定土體的最危險滑裂面;計算了土釘支護土體時的穩定性;研究了水、預應力錨桿(索) 、水泥土攪拌樁以及超前微樁對復合土釘支護時土體穩定性的影響作用並給出了相應的計算公式。
  18. The researches on the stability of compound soil nailing show that it is important to determine the safety coefficient and the most dangerous slipped layer of soil slope retained by compound soil nailing in the stability analysis of compound soil nailing. water, prestressed anchor and cement - soil retaining wall and front small - piles in the compound soil nailing system have a great influence on the stability of the whole compound soil nailing system. the front small - piles in the compound soil nailing system can improve the stability of the soil slope

    復合土釘穩定性分析表明,復合土釘支護時土坡穩定的安全系數和最危險滑裂面的確定對于穩定性分析非常重要;土體內水對土體穩定性有很大的影響作用;設置超前微樁后,能增加基坑邊壁的穩定性;增設深層攪拌樁后,邊壁抗傾覆、抗滑移安全系數增大,同時面層強度的增加更有利於復合土釘支護體系內其它組件間的相互作用;增設預應力錨桿(錨索)和預應力土釘,對于控制基坑邊壁位移有重要作用,可明顯提高滑移面上土體的抗滑力。
  19. In the topic 2, based on the theory of rain - runoff and soil water moving, a practical soil moisture forecasting model expressed by moisture index has been provided. the techniques of moisture forecasting and drought evaluating have been combined with the techniques of network and gis, and the detailed way and contents about establishing information system of moisture and drought extent have also been presented, and provide direct services for preventing and controlling drought

    在墑情監測預報研究中,採用降雨產流預報和包氣帶水運移理論和方法,提出了由墑情預報指數表示的實用墑情預報模型,並把墑情預報技術、旱情災情評估技術與現代網路技術、 gis信息技術緊密結合,提出了建設墑情監測預報和抗旱減災信息系統的技術思路和具體內容。
  20. Through theoretical analysis on the behavior of soil - water - system dielectrics, it is proved that the real parts of the dielectric constant under high frequency or microwave can be used to measure soil water content rapidly this method can get a lot of measurement results with high accuracy and wide applicabiiity in addition, the results are seidom affected by the spatiai variation of soil property as a further application of the above result, a soil moisture sensor based on standing wave ratio was developed

    概括起來本文的研究內容主要有以下幾點: 1本文通過對土壤介電特性的理論分析,論證了利用高頻或微波段內的介電常數實部來快速測量土壤含水量是一種靈敏度高、適應面寬、受土壤理化特性空間變異影響較小的快速測量方法。為研製開發基於駐波率原理的swr型土壤水分傳感器奠定了基礎。
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