evaporation of water in soil 中文意思是什麼

evaporation of water in soil 解釋
走墑
  • evaporation : n. 1. 蒸發(作用),發散,升華沉澱作用。2. 脫水(法)。3. 蒸氣。4. (電子的)發射。5. 蒸發量。6. 消散。
  • of : OF =Old French 古法語。
  • 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;...
  • in : adv 1 朝里,向內,在內。 A coat with a furry side in有皮裡子的外衣。 Come in please 請進來。 The ...
  • 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...
  1. The estimation methods of water requirement, and determination of basal crop coefficient and soil evaporation coefficient under the controlled alternative furrow irrigation in summer maize were studied and verified in the fifth chapter

    ( 4 )夏玉米田棵間土壤蒸發主要發生在灌后幾天表層土壤比較濕潤的時期內,其中表層土壤含水率和葉面積指數是影響土面蒸發的兩個基本因素。
  2. As a result of its high capability in interception of precipitation and enhanced evaporation of soil surface, the development of microbiotic crusts will more and more threaten the soil water condition which the artificial sand - fixing vegetation should rely on

    在1956年固沙區,原來的花棒+檸條+油蒿為主的人工系統向油蒿+霧冰藜+小畫眉草+隱花植物為主的半人工半天然系統的演變。
  3. 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。
  4. ( 3 ) when evaporation was stopped during the process of soil water redistribution, soil water would move downslope by gravity. when evaporation was in process, due to low initial water content, most infiltrated water from small intensity and amount of rainfall would be consumed by intensive evapotranspiration during rainy season, and lateral downslope unsaturated flow seldom took place. however, soil water would move downslope by gravitational and matric potential gradients after continuous rainfall

    ( 3 )在防止蒸發條件下,再分佈過程中,土壤水分在重力的作用下有沿坡向下運移的趨勢;在蒸發條件下,由於初始含水量一般較低,雨季量小且分散的降雨極易為強烈的蒸發蒸騰所消耗,側向沿坡向下流難以發生,但在持續的降雨條件下,土壤水分在重力勢和基質勢梯度的作用下易沿坡向下運移。
  5. However, to hydrological cycle which contains the processes of preciptation, run - off, evaporation and storage of soil water, the heterogeneity of physical and ecological characteristics of soil surface and their description method and the hydrologic flux to land surface is still a challengeable problem in modeling of land surface

    然而,對于包括降水、徑流、蒸發,土壤層儲水等環節在內的整個陸面水分循環過程來說,地表物理和生態特徵的非均勻性及其描述方法和陸面水文通量參數化問題,迄今仍然是困擾陸面過程模擬的挑戰性難題之一。
  6. When water in the soil or in the xylem is put under tension, due to the evaporation of water from a particular site ( which creates a water potential gradient in the direction of the evaporation ), capillarity enables water to overcome the cohesive forces within the water and move against gravity in response to the water potential gradient

    當土壤中或木質部中的水受到張力作用時,由於特定部分水的蒸發(沿著蒸發方向形成水勢梯度) ,毛細現象可以使水克服水分子之間的內聚力並同時沿著水勢梯度逆著重力作用移動。
  7. Calculation of quantity of soil evaporation takes an important part in moisture content prediction, rainfall surface flow calculation and evaluation of water resources

    摘要土壤蒸散發量的計算,在墑情預報、降雨徑流計算及水資源評價中都佔有重要的地位。
  8. Annual precipitation series about 50 years is stable and no period ; further, the climate drying and desertification are n ' t caused directly by the decrease of precipitation during the period of the research according to the relational analysis among precipitation temporal - spatial change, runoff, evaporation, potential evapotranspiration and soil water ; longyangxia reservoir which was built in 1986 does n ' t have influence on precipitation up to now ; but annual temperature series in gonghe is unstable, having a linear upward trend, and it increases about 0. 0247, 0. 0422 and 0. 0272c per year, and temperature rise must be having an influence on desertification, but there is a very little temperature change, so that the effect is very small ; annual potential evapotranspiration series is stable too, so climate change has little influence on plant water consumption. 2

    在青海共和盆地,近50年的年降雨量序列是平穩的、無周期,其時空變化與徑流、蒸發、潛在蒸散和土壤水分的關系表明,氣候乾燥和嚴重的荒漠化不是由於降雨量減少直接引起,龍羊峽水庫對共和盆地年降雨量變化沒有影響;但是年氣溫序列是非平穩的,茶卡、恰卜恰和貴南的年氣溫平均每年升高0 . 0247 、 0 . 0422和0 . 0272 ,且氣溫升高2 ,年潛在蒸散增加57mm ,盆地內氣候逐漸變乾燥,但影響比較小;由於歷年潛在蒸散序列是平穩的,因此氣候變化對盆地的作物潛在蒸散的影響在研究期內是較小的。
  9. Based on rainfall and evaporation amount, the change of soil water could be divided into three main periods, such as decreasing of soil water storage in spring, alternatively decreasing and increasing in summer and autumn, and relatively stable in winter

    根陳洪松博士學位論文:黃土區坡地土壤水分運動與轉化試驗研究據年內降雨和水面蒸發量的相對大小,可將土壤水分的變化分為三個主要時期:春季失墑期、夏秋增失交替期和冬季相對穩定期。
  10. In order to overcome the disadvantage of 2bps - 2 plastic film mulch seeder with watering apparatus that the operation speed is limited and the moisture evaporation loss is great, according to the theoretic analysis of water movement in soil, this paper offers another watering project - hidden watering under film, designs three different types of watering devices, meanwhile conducts test research with different watering devices in different position the change of the soil moisture content

    本課題針對2bps - 2型坐水鋪膜播種機坐水后,土壤水分蒸發損失大和機組作業速度低的突出問題,通過對水在土壤中運動的理論分析,提出了在行間膜下的暗道式施水方案,圍繞此方案設計了三種坐水部件,並就不同坐水部件在不同施水位置施水后,種子帶土壤含水量的變化進行了試驗研究。
  11. This paper introduced a concept of soil surface resistance to explain the process of soil water evaporation and put forward a method for determination of soil surface resistance in lab

    引入土壤表面阻力概念來說明土壤水分蒸發過程,提出了實驗室測定其大小的整套試驗方法。
  12. Thereby the complicated evaporation process of heterogeneous soil surface is simplified into a flux integral expression which contains two - pail contributions from soil water relatively saturated region and unsaturated region, and it is proved that the calculation of mean evapotranspiration efficiency in grid region can be simplified into weighted average of heterogeneous regions

    從而將非均勻地表區域的蒸發過程的復雜機制分解為地表層土壤水分飽和區與非飽和區影響下的通量貢獻積分式,從理論上證明,網格區平均蒸散率的計算可簡化為不同性質的區域加權平均。
  13. Research on the restrain effective on soil - water evaporation of the technology of cavity - making by explode in farmland

    農田爆破成腔技術對土壤水分蒸發的抑制效能
  14. According to the regional evapotranspiration analytical expression of heterogeneous soil surface applicable to moist climate region which is put forward in this paper, on one hand, soil water absorption is calculated under the consideration of the hydrological condition and hydraulic characteristic of soil surface ; on the other hand, using improved k - b model which is based on penman formula, the potential evaporation power is calculated

    基於本文所提出的適用於濕潤氣候區非均勻地表的區域蒸散率解析表達式,一方面,充分考慮土壤表層水分狀況和水力學特性,計算土壤水分吸附力;另一方面,又充分考慮大氣條件,引進以penman公式為基礎的k - b模式(加以改進)計算潛在蒸發力。
  15. Moreover it decrease soil surface temperature in summer, reduce temperature variety range so as to decrease soil water evaporation and construct a suitable exist condition for soil life, accelerate the activity of life - form in soil, promote the recover of vegetation and the rebuild of ecosystem

    這一切,為紫色荒坡地土壤生物營造出良好的生存條件,增加土壤生物的活動,促進紫色土荒坡地植被恢復和生態系統的重建。
  16. Because the evaporation is great more than rainfall, and the ground water is deep, soil water is always in the step of wane condition and the soil nutrient are also leanness and available nutrients are scantily, which makes the eco - environment of the plateau very fragile

    由於蒸發潛勢遠大於降雨量,而地下水埋藏又很深,致使土壤水分經常處於水分虧缺狀態,加之水土流失嚴重,土壤貧瘠,基礎肥力低,有效養分缺乏,生態環境十分惡劣。
  17. Based on the data of daily water withdrawal, rainfall and evaporation in 14 experimental paddy fields, which were varied in landform, soil type, drainage system, growth rule, and irrigation mode, with typical investigation, and analysis in the influence factors on water use, the research of water use regulation in paddy fields and its influence on water resources distribution was done. at the same time, the mathematical relation between the total water consumption and the growth days of paddy was founded

    以2001年為基準年,通過對杭州市不同地形、不同土壤、不同渠系、不同種植制度、不同灌溉方式的典型水稻田灌水的逐日記錄,結合降雨、蒸發監測值,實測了不同水稻田的灌溉水量及水資源使用量,並結合典型調查,分析了影響本地水稻用水的各因素的影響程度,研究了本地水稻的用水規律對本地水資源配置的影響。
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