蒸發蒸騰量 的英文怎麼說
中文拼音 [zhēngfāzhēngténgliáng]
蒸發蒸騰量
英文
tatol evapotranspiration-
More meaningful comparisons can be made by comparing water loss from the potometer with that from an atmometer ( an apparatus used to measure the rate of evaporation from a porous pot or other nonliving wet surface ), which allows uncontrolled evaporation
更有意義的是,可以比較蒸騰計的失水與蒸發計(通過有孔小罐或者潮濕表面來測量蒸發速率的儀器)的失水間的區別。Evapotranspiration may deplete the soil moisture and rob supplies of ground water.
蒸發蒸騰作用能消耗土壤水分,減少地下水的水量供應。Calculation models of rice evapotranspiration in plastic film mulched dryland
覆膜旱作水稻蒸發蒸騰量計算模型研究Heat transfer will worsen if structure parameters of the spring inserts are not fit. the paper think that the mechanism of heat transfer enhances of the spring inserts is the laminar flow lining is thinner because of librating of the spring inserts, accordingly the part of convection is enhanced. but the part of boil is not influenced
通過彈簧插入物的各個參數對傳熱性能的影響分析,認為彈簧插入物對豎管降膜蒸發傳熱強化的機理主要是彈簧的振動加強了液膜的湍動,減薄了層流內層,從而強化了對流傳熱分量,但對沸騰傳熱分量沒有影響。The calculated value of bowen ratio was more accurate than the measured value of lysimeter in describing the evapotranspiration rule of crops in short period
波文比的計算值比蒸滲儀的測量值更能精確地反應短時段作物的蒸發蒸騰規律。Based on the experimental data from cornfields, this paper compared the daily change of evapotranspiration calculated by bowen ratio energy balance and that calculated by lysimeter
摘要根據實測資料,對波文比計算的蒸發蒸騰量和蒸滲儀實測的蒸發蒸騰量日變化進行比較及分析。The results showed that the evapotranspiration calculated by bowen ratio was highly related to solar radiation, but that calculated by lysimeter was not evidently related to solar radiation
結果表明,波文比所測蒸發蒸騰量與太陽凈輻射的相關性比較好,蒸滲儀所測值與太陽凈輻射的相關性不明顯。Evapotranspiration is the total evaporation from moist soil and from vegetated surfaces plus transpiration
濕潤土壤及植物表面的總蒸發量加上蒸騰量稱為蒸散量。( 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。It has shown that a good agreement between acoustic emission and transpiration, and the ae signal is a good water stress index for irrigation control
試驗結果表明,作物在水脅迫下產生的聲發射信號與蒸騰量等水分指標的一致性較好,對水分虧缺反應敏感,是一個良好的灌水指標。In the fourth chapter, the effect of controlled alternative furrow irrigation on the ratio of root to shoot, filling rate, leaf physiological indexes, yield and water use efficiency of summer maize were discussed, and the lower limits of suitable irrigation for summer maize in controlled alternate furrow irrigation were analyzed and determined
29 ,表明干濕交替循環不僅可以減少每次灌水間隔期間的棵間土壤無效蒸發,而且也抑制了作物的奢侈蒸騰,因此作物需水量明顯減少,節水效果非常顯著,被證明是溝灌方式中最科學的一種灌水方法。Aerial photography can provide valuable information on precipitation, evapotranspiration, interception, and runoff.
航空攝影可提供有關降水量、蒸發蒸騰量、入滲和徑流量的有價值的資料。This website provides a vast amount of information and resources including : examples of itrc projects, the 2004 itrc short course schedule, on - line reports and papers from1990 to 2003 written by itrc staff, california evapotranspiration data, and related water and soil resource websites as well
該主頁提供大量的信息與資源,包括:美國灌溉培訓與研究中心項目, 2004年短訓課程表,中心員工撰寫的自1990年至2003年在線報告與論文,加里福尼亞土壤蒸發蒸騰數據,以及與水土資源相關的網站。( 4 ) in 2001, the average daily et of cotton in the whole growth season is 1. 75mm / d, the total et is 307. 48mm, and the average crop coefficient ( kc ) is 0. 39 under deficient irrigation. in 2002, the average daily et of cotton in whole growth season is 1. 94mm, the total et is 337. 04mm, and the average crop coefficient ( kc ) is 0. 43 under sufficient irrigation
( 4 ) 2001年脅迫供水情況下,在整個生育期棉花的蒸發蒸騰量為307 . 48mm ,平均日耗水強度為1 . 75mm ,作物系數平均值為0 . 39 ; 2002年充分供水情況下,在整個生育期內棉花的蒸發蒸騰量為337 . 04mm ,平均日耗水強度為1 . 94mm ,作物系數平均值為0 . 43 。Using plots with water and fertilizer fully controlled, the effect of photosynthetic characteristic and yield under different treatments of water and fertilizer coupling was investigated. the result showed that photosynthetic rates are different among treatments of water and fertilizer coupling, and the change of stomatal conductivity is the same as photosynthetic rat. there is almost no influence on evaporation rate and cellular co2 concentration the combination of fertilizer and manure under natural rainfall is beneficial to the maintenance of photosynthetic rate during grain filling, thus results in highter yield and good quality. however, the coupling of fertilizer and manure with sufficient water results in the decline of photosynthetic rate and stomatal conductivity, the yield decreased indicating there has a balance ratio between water and nutrients ( fertilizer and manure ) supply. the study proposed that the optimum management to exploring yield and qlality potential is the combination of fertilizer and manure application with no irrigation
利用可精確控制水分條件的水肥平衡場,在不同水肥耦合處理的條件下,研究了水肥耦合對玉米光合特性及產量的影響,結果表明:不同水肥耦合處理的條件下,玉米的光合速率有所不同,氣孔導度的變化與光合速率的變化表現基本一致,而對蒸騰速率、細胞間co2濃度影響不大.其中,在自然降水條件下,有機肥和無機肥的配合,有利於玉米子粒灌漿期維持較高的光合速率,表現出良好的產量潛力.充足水條件下,有機肥和無機肥的配合,光合速率及氣孔導度表現較低,表現產量有所下降,說明供水量與施肥量之間有一個平衡系數.表明黑龍江省北部黑土區自然生態條件下,為充分發揮玉米的產量潛力,最佳的管理措施是增施無機肥和有機肥的配合Length, diameter, density, fresh weight, dry weight, water content, osmotic potential and element concentrations ( ca, mg, na, k, cl ) were determined for each. seedling of b. gymnorrhiza and a. corniculatum were cultured for 60 days on various salinity of seawater ( 0, 5, 10, 15, 20, 30, 40, 50 ) in green house. samples were taken at 3, 7, 11, 15, 22, 30, 45 and 60 days after planting, separated into root, hypocotyl, stem and leaf
本文研究了福建九龍江口木欖和桐花樹胎生繁殖體從果實形成到發育成熟過程中形態、生物量、含水量、胚軸密度、滲透勢、五種主要礦質元素( ca 、 mg 、 na 、 k 、 cl )等的變化和溫室內人工鹽度梯度栽培下木欖和桐花樹成熟繁殖體長成幼苗( 0 60d )過程中形態、生物量、含水量、滲透勢、光合蒸騰特性、五種主要礦質元素( ca 、 mg 、 na 、 k 、 cl )等的變化;並且在野外自然條件下,跟蹤調查不同灘塗位置下秋茄成熟繁殖體定居成活、自然死亡狀況以及測定幼苗生長過程中( 1年)形態、生物量、含水量、光合蒸騰特性等的變化。Under the condition of different soil humidity and measuring time, a series of ecophysiological indexes, such as net photosynthetic rate, transpiration rate, stomatal conductance, the flow of water, atmospheric temperature, relative humidity, photosynthetic available radiation, and hydraulic conductivity are measured in order to find the factors which cause robinia xylem embolism
摘要在不同的土壤水分含量和不同的測定時間條件下,對刺槐的一系列生理生態指標:凈光合速率、氣孔導度、蒸騰速率、水勢、大氣溫度、相對濕度、光合有效輻射以及導水率進行測定,探求刺槐木質部發生栓塞的影響因子。The main results in this paper are as follows : ( 1 ) study on starting up performance of thermosyphon : according to the study on the states before and after starting up of thermosyphon with the various filling amount, it is considered that the phase change heat transfer inside the copper - water thermosyphon with a large ratio of length and diameter is not only influenced by the boiling degree of superheat, but also controlled by evaporation and companied with the boiling of the thin liquid film
本文的主要研究結果為: ( 1 )熱虹吸管啟動性能的研究:通過對從不同充液量、啟動前狀態、內部汽化核心狀態對啟動的影響所進行的試驗研究,認為大長徑比的銅?水熱虹吸管管內相變不僅僅為沸騰,而是以蒸發為主,伴有薄液膜的沸騰。At the same time, experimental study on boiling heat transfer by changing mass flow of refrigerant, mass flow of water, and inlet temperature of water was also finished. and then the performance of miniature evaporator was estimated
本文完成了液單相、兩相熱平衡實驗和阻力特性實驗,研究了製冷劑在管內流動的壓降;同時進行了微型蒸發器流動沸騰實驗,通過改變製冷劑質量流量、水的質量流量、水的進口溫度等,實現了對微型蒸發器的性能評價。Part of content about fluidized bed thermodynamic calculation in the 《 layer and fluidized combustion thermodynamic calculation standard for industrial boiler 》 ( jb / dq1060 - 83 ) are discussed the computing equation of fly ash carbon content and the thermal equilibrium equation in the dense phase considering evaporation of water of unburned coal are given. the revise necessary is provided through calculating examples
對jb / dq1060 - 83 《層狀燃燒及沸騰燃燒工業鍋爐熱力計算標準》中沸騰爐熱力計算的部分內容進行了探討,導出了沸騰層飛灰含碳量計算式和考慮未燃煤水分蒸發的沸騰層熱平衡方程,通過算例說明了修正的必要性。分享友人