soil water zone 中文意思是什麼

soil water zone 解釋
土壤水帶
  • 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；...
  • zone : n 1 【地理】（地）帶。2 區域，范圍，界。3 〈古、詩〉（腰）帶。4 圈，環帶。5 【數學】（球面）帶；...
  1. Through on - the - spot investigation and study of restoration of the function of water conservation, it ' s believed that under the underdeveloping circumstances of xinyang, comprehensive measures can be taken to protect key areas of water conservation and restore its vegetation step by step so as to reinforce its function, by transforming closely, establishing forbidden lumbering zone, planting grass in damp soil, spreading marsh gas and bringing low - lying beach land under control

    摘要通過實地調查，對信陽市淮河源水源涵養功能恢復展開研究，認為在目前信陽經濟還不發達的情況下，可以首先對重點水源涵養區採取綜合性保護措施，通過封閉性改造、禁伐區設立、濕地種草、推廣沼氣等措施，逐步恢復涵養區植被、生態多樣性和生物多樣性，增強淮河源水源涵養功能。
  2. Standard guide for site characterization for environmental purposes with emphasis on soil, rock, the vadose zone and ground water

    用於環保目的的以土壤巖石滲流區和地表水為重點的現場特性的標準指南
  3. In combination with the rapid development of highway construction and the present severe situation of tilled land and land resource, effects on economy, society and resource produced by highway construction are approached from three different angels : the improvement to the economy and society development, the peculiarities and the severity of occupation of land resource and the bad effects on land use caused by soil and water loss, thus arousing the people to pay high attention to the occupation of land resource in highway construction. a method of cost - benefit analysis is approached to evaluate the economic rationality of occupation of land in highway construction and the social benefits produced by highway construction are analyzed qualitatively ; at last, these methods are tested and verified through a concrete engineering in yangling agricultural hi - tech demonstrational zone and effective technological and systematic measures are put forward in order to settle the problem onto a compatibly developmental path

    本研究從公路建設迅速發展的實際和土地、耕地資源面臨的嚴峻形勢著手，在實地調研的基礎上，結合相關的文獻和資料，從公路建設對經濟、社會發展的促進作用，公路建設佔用土地資源的特點，公路建設造成的水土流失對土地資源利用的危害等三個方面系統地分析總結了公路建設活動對經濟、社會與資源的影響，以引起社會各界對公路建設與土地資源佔用問題的重視；用成本-效益分析法對公路建設佔用土地資源的經濟合理性進行評價，並對公路建設佔地的社會效益進行分析，通過楊凌農業高新技術產業示範區三路一橋工程驗證它們的實用性。
  4. Because of the evaporation, dissolved salt is brought to cumulate at the ground surface and the root zone when the ground water is above the critical level. then the saline soil is formed

    超過臨界深度的地下水，在蒸發作用下，將鹽分帶至地表或根系分佈層累積下來，形成鹽漬化土壤或鹽土、堿土。
  5. In the region of investigation, the water in the soil is upward and under the evaporation condition in the first zone, where intensive evaporation occurs ; the matrix potential of soil water is downward so that the water is downward in the second zone

    在研究區內，第一個分帶是水分向上運動，水分處于蒸發狀態，常年處于極度乾燥狀況；第二分帶水土勢較低，也就是第一個零通量面的下翼部分，在這一分帶中水分向下運動。
  6. Natural geography condition in yunnan is superior, the mountain is high and water is long, the volume of rain is abundant, rich soil, and have the tropical zone, subtropics, temperate zone, the frigid zone weather

    雲南自然地理條件優越，山高水長，雨量充沛，土壤肥沃，兼有熱帶亞熱帶溫帶寒帶氣候。各種時鮮水果，品種繁多，四季不斷，昆明街頭常年都有供應。
  7. Meanwhile, most aspects about this perspective are concerned, which include quantification of the soil water background of the plateau area, the regional spatial variation of soil water background and variation along the slope, mosaic structure and seasonal changes etc. the results show that : ( 1 ) for the fundamental circumstance for vegetation development is the original debilitated slope, so the perspective of soil water background specially for the loess plateau refers to the soil water conditions on the original slope. ( 2 ) the value of soil water background appears to be a descending trend from south to north based on the difference of vegetation zones. in the forest zone, soil moisture contents beneath 3m depth from the soil surface are more than 12 % usually ; in the forest - pasture zone, the values of soil moisture content beneath 4m depth underground are more than 6 % and stable, and tend to be ascending while the depth increases ; but the values in the dry pasture zone is lingering between 4 % to 6 % from the surface layer to sub - layers

    發展了「土壤水分背景」的概念，並以之為基礎對其各個方面進行了研究，使之形成一個相對獨立和完整的體系，主要包括黃土高原土壤水分的背景值、土壤水分背景的區域分異、坡面分異、鑲嵌結構及其季節分異等： （ 1 ）由於植被生長發展、演替的基礎階段是天然草被群落，故認為黃土高原的土壤水分背景在概念上是特指該區天然草被群落下的土壤水分狀況； （ 2 ）黃土高原的土壤水分背景值，根據植被地帶的不同表現出自南向北逐漸降低的規律：森林地帶3米以下土層水分背景值普遍穩定地高於12 ，森林草原地帶4米以下土層水分背景值穩定大於6 ，且均隨土層的加深水分含量逐漸增加，而草原帶的土壤水分背景值自土表至底土層一直在4 6之間徘徊。
  8. After the observation and analysis on the uniformity coefficient of irrigation and the distribution of soil moisture under each different treatment, a result was got that 35cnrs embedded depth is comparatively appropriate for vegetable cultivation for the high uniformity coefficient and the vegetable cultivation for the high uniformity coefficient and the concentrated distribution of irrigation water in the main root zone

    通過對各處理灌水均勻度和土壤水分分佈的觀測、分析，認為滲灌管埋深35cm時對蔬菜栽培是比較合適的。此時灌水均勻度高，灌溉水大部分分佈在蔬菜主要根系區。
  9. In the arid and semi - arid region, matrix potential of soil water diversifys intensively in aeration zone, so there is good environment for zero flux potentials to develop

    結果表明：在干早和半乾旱地區，水土勢在包氣帶中變化強烈，具有良好的零通量面形成環境。
  10. Subsurface runoff is obviously closely related with soil water movement in the unsaturated soil zone and dynamic change of the groundwater table. there - fore, it is necessary to develop the subsurface runoff model with a physical base associated with recharge on the aquifer and total storage in the reservoir. also a soil model with a dynamic representation of the groundwater table makes it possible and reasonable to represent a more logical subsurface runoff parame - terization

    地下徑流顯然與非飽和土壤層中的水分運動以及地下水位的動態變化密切相關，因而有必要發展考慮土壤含水量與潛水面science in china ser . d earth sciences 376中國科學d輯地球科學第36卷水分通量以及地下水位動態變化的土壤水模型相適應且具有物理意義的地下徑流模型;同時地下水位動態表示的土壤水模型也為發展更為合理的地下徑流模型創造了很好的條件
  11. Epa ' s drastic method was apllied to evaluate the groundwater vulnerability of lijiang basin in the historical city of lijiang in yunnan province with the consideration of depth to the water table, net recharge, aquifer material, soil type, topography, impact of vadose zone and hydraulic conductivity of aquifer from the natural environment and humankind activities with the help of gis technology

    摘要應用美國環保署epa的地下水脆弱性drastic評價方法，考慮地下水位埋深、含水層凈補給量、含水層介質、土壤包氣帶、地形地貌、包氣帶介質和水力傳導系數等7個評價因子，結合gis技術，對雲南麗江古城所在的麗江盆地地下水脆弱性從自然和人類影響兩方面進行評價。
  12. Black soil resources is rare natural resources in the world, and some issues, such as soil and water erosion, environment pollution, cultivated land conversion and arable land degradation, are becoming the main problems for sustainable development at the zone

    摘要黑土資源是世界的稀缺資源，黑土帶的水土流失、環境污染、土地流轉、土地退化問題成為黑土資源可持續發展的障礙。
  13. This paper analyzes on some factors influencing the water accumulation during the soil freezing process, probes into the mechanism of the water and salt migration during the process of water accumulation, and points out that the water accumulation of frozen zone provides the effect of water and salt migration for the hibernating propagation of the forest in the seasons of winter and spring

    分析了土壤凍結過程中水分積聚的影響因素，探討了水分積聚過程中水鹽遷移的機理，指出凍結帶水分積聚為冬春季林木越冬繁衍提供了水分，同時鹽分也隨水分遷移到地表。
  14. 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。
  15. The paper, according to the natural environment conditions such as water - heat and soil etc. and the need of restoring the ecological environment, divides baiyin prefecture into five zones such as cold temperate - feeble wet, cold temperate - feeble drought, feeble temperate - feeble drought, feeble temperatedrought, feeble temperate - ultradrought zone and ten subzones of biological climate and for ecological restoration

    摘要依據白銀地區的水熱及土壤基質等自然環境狀況及生態恢復需要，劃分白銀地區為冷溫微潤、冷溫微干、微溫微干、微溫乾旱、微溫極干5個生物氣候及生態恢復區、 10個恢復亞區。
  16. The soil - water characteristic curve, the coefficient of saturated hydraulic conductivity and the initial state of medium ; in the paper, the influence of rain infiltration on the slope stability is discussed, which is very helpful for forecasting slope stability in raining seasons and designing slopes in deep unsaturated zone

    ）介質的本身性質，如土水特性曲線、飽和滲透系數、及介質的初始狀態；通過本文的研究，初步分析探討了降雨入滲對邊坡穩定性的影響，為在雨季邊坡失穩的預報和具有深厚非飽和區的邊坡的設計提供了科學的依據，具有一定的工程意義。
  17. On the basis of all these, the paper researches that the soil moisture content reduces slowly after 7 days ， so establishes a main criterion of evaluating watering feature - the increment of average soil water content in 7 15 days. according to these theories, we draw an conclusion - water is injected at the position away from seed zone 3. 5 ( cm ), 6 ( cm ) deep with vertical flat nozzle, the effect of watering is better at the operation speed of 0. 9m / s

    得出7天後土壤含水量呈緩慢變化的趨勢，進而提出了以7 15天平均土壤含水量與初始含水量的差值作為評價坐水性能的指標，以此為依據得出在機組作業速度由0 . 5m / s增加到0 . 9m / s的情況下，採用豎扁（不帶翅）施水管將所需的水施到種子帶橫斷面內3 . 5cm ，深6cm的位置，坐水效果較為理想。
  18. Elastic - plastic analysis for soil around anchor jacked pile in this paper, the course of penetration is regarded as expansion of cylindrical cavity in infinite soil mass. combining with the knowledge of elastic mechanics and plastic mechanics, we can make analysis for soil around pile. finally, we can educe the cylindrical cavity pressure, radius of plastic zone, radical displacement in elastic zone, excess pore water pressure in soil around pile and spherical cavity pressure at the end of pile

    錨桿靜壓樁樁周土體的彈塑性分析該部分是文章的主要工作所在，本文把壓樁過程樁周土體的本構關系看作是水平面的平面應變小孔擴張問題，利用小孔擴張原理，結合彈性力學以及塑性力學的知識，對壓樁後土體的性狀作出分析，得出樁對土的擠擴作用力、樁周土體塑性半徑、彈性區的位移，壓樁完成瞬時樁周土體彈性區和塑性區的超孔隙水壓力以及樁端球形孔擴張的擴張力。
  19. Soil quality. determination of water content of the unsaturated zone. neutron depth probe method

    土壤質量.不飽和區域水含量的測定.中子深度探測法
  20. In the profile of aeration zone, the matrix potential of soil water and salt capacity in the soil can be affected by the lithology

    即含水量大的地方的水土勢和土壤中總的含鹽量也大，含水量小的地方水土勢和土壤中總的含鹽量也小。
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