moisture soil 中文意思是什麼

moisture soil 解釋
潮土
  • moisture : n. 濕氣,水分,潮濕;濕度;(空氣中的)水蒸氣;淚。
  • 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. Research on soil moisture index of dry crops in caked calcium carbonate black earth

    砂姜黑土區旱作物土壤墑情指標研究
  2. The paper tutored by professor yang mainly develop the software of the design of a new - style sluice and keeping soil moisture ditcher in visual basic

    本研究設計主要內容為利用visualbasic語言編制了一套新型蓄水保墑機具設計軟體。
  3. Regard - ing the surface runoff mechanism, liang and xie 1, 2 presented a new surface runoff parameterization which dynamically represents both the horton and dunne runoff generation mechanisms within within a model grid cell together with a consideration of the subgrid - scale het - erogeneity, which can be applied to not only humid regions but also droughty regions as well 3, 4. regard - ing the soil water movement, xie et al. 5 developed an unsaturated flow numerical model based on the finite element method, and xie et al. 6 presented another numerical model to compute soil moisture and water flow flux together by means of a mixed finite element method

    在地表徑流方面,文獻1 3發展了一種同時考慮蓄滿超滲產流機制及次網格非均勻性的新的徑流機制模型,並用其改進了陸面模式vic variable infiltration capacity中的徑流計算,該模型既適用於濕潤地區也適用於乾旱地區4 .在土壤水模型方面,文獻5採用有限元質量集中法發展了非飽和土壤水流的數值模型,文獻6則採用混合有限元法建立了非飽和土壤水分含量和通量計算的數值模型
  4. The soil moisture in the fields was evaporated.

    田裡的水分散失了。
  5. 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。
  6. In the case of grain legumes, lupines and field peas, french ( 1990 ) has assessed their potential yields, based on available soil moisture similarly to his work with wheat

    用其與小麥相似的研究方法,根據土壤有效水分評估了豆科糧食作物、羽扇豆和紫花豌豆的產量潛力。
  7. 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。
  8. The forecast of moving distance of avalanche soils - the ratio of the heights of collapsed part and run - out of avalanche soils is related to slope shapes, avalanche sources, streamwise soil conditions, runoff on foreside, and soil moisture

    主要內容如下: ?崩塌土運動距離的預測?崩塌土流高比與斜坡形狀、崩塌源土質及沿程土質條件、坡前徑流及土層含水狀態等有關,並提出了崩塌土流高比公式。
  9. At the same time, the quality of different - state water was studied. the results show : the soil bulk density of the fir wildwood heightens with the increase of soil depth, specifically 0. 74 > 0. 94 andl. 34g / cm3, the saturated, canaliculus and field moisture contents decrease gradually in layer a, b and c, accordingly the soil total foveola decreases gradually, and the moisture - hold capacity of the soil lessens gradually with the increase of the soil depth ; there is small difference of the soil bulk density between layer a and b in the outer space, which are respectively 0. 92 and 0. 99g / cm3, and the other laws are the same as the in ner in the main ; reverse success often occurs in the low position of the thoroughly - fell trace and plateau marsh is formed

    結果表明:冷杉原始森林土壤容重隨土層深度的增加而增大,分別為0 . 74 、 0 . 94 、 1 . 34g cm ~ 3 ,飽和持水量、毛管持水量、田間持水量a層、 b層、 c層逐漸減小,十壤總孔隙度也逐漸減小,土壤的持水能力隨深度的增加逐漸減弱;林外空地a層、 b層十壤容重相差不人,分別為0 . 92和0 . 99g cm ~ 3 ,其它規律與林內人體相同:皆伐跡地的低洼地段容易發生逆行演替,形成高原沼澤地。
  10. It is analyzed that the impacts of vegetation type on shear strength of unsaturated soil through direct shearing tests for unsaturated soil of different depth and various vegetation types which consist of hare soil, tanglehead grassplot, switch sorrel shrubbery and eucalyptus holt under natural moisture contents

    摘要通過對裸地、扭黃茅草地、車桑子灌木林地和按樹林地四種不同植被類型、不同深度土壤在天然含水量情況下的直剪試驗,研究了植被類型對非飽和土抗剪強度的影響。
  11. Amounts of moisture in soil vary greatly.

    土壤中濕度變化很大。
  12. By the large quantity of indoor and field soil mechanics test, this paper investigated physics and mechanics property of xigeda stratum and xigeda compounding filling, profoundly and systematically studied on shearing strength, cbr ( including indoor cbr and field cbr ) and intensity feature of xigeda compounding filling. the new achievement and cognition as follows : ( 1 ) cbr value is decided by moisture content and mudstone content of xigeda compounding filling. the filling material can satisfy minimum intensity standard of express highway when mudstone content is less than some fixed value, ( 2 ) this paper established field cbr standard value which can synthetically evaluate the filling material nature and field compaction degree. ( 3 ) the optimal compacting mean of xigeda compounding filling is hard oscillation first and weak oscillation later, not traditional way which is weak oscillation first and hard oscillation later. ( 4 ) this paper put forward the conception of optimum moisture content in construction different from optimum moisture content of indoor impaction

    本文以昔格達填料強度特徵為研究對象,通過大量的室內及現場試驗,從昔格達地層巖組的物理力學性質、昔格達填料的物理性質入手,對昔格達填料的抗剪強度、室內承載比及現場承載比特徵進行了較系統地研究,獲得了如下認識及進展:昔格達混合填料承載比值受填料含水量及其中泥巖含量的影響,當泥巖含量小於一定值時,昔格達混合填料具有較高的承載比值,能夠滿足高速公路對填料的最低強度要求;建立了綜合評判昔格達填料性能及現場壓實效果的現場承載比( cbr )標準;對于昔格達填料而言,最佳的碾壓方式為先強振后弱振而不是傳統的先弱振后強振;提出了與室內擊實最優含水量相區別的施工最佳含水量的概念。
  13. Things to guard against during and after harvest are lifting over - mature crops, mechanical damage to pods during lifting, stacking the harvest when pod moisture exceeds 10 per cent, stacking haulms carrying small or immature pods, gleaning pods from the soil after harvest and allowing pods to be re - wetted

    以下操作過程中尤其注意,防止花生的黃麴黴毒素污染:把過熟的花生秧扶起,在扶起花生秧同時機械損傷的花生莢,當花生莢水分超過10 %時堆垛存放的花生秧,堆垛的花生秧上小的或未成熟的花生,收獲完成後從地里揀起的回潮的花生莢。
  14. Indicatory function of soil moisture of undergrowth vegetations in the robinia pseudoacacia forests with different densities in semi - arid region on the loess plateaus

    林下植被對半乾旱區不同密度刺槐林地土壤水分環境的指示作用
  15. For this reason, to analyze the spatial and temporal dynamic of ground water table and water quality beneath the typical phytocommunity in particular areas, will be helpful to probe into the dynamic formation of soil moisture and salinity, and to understand the spatial variation of vegetation

    因此,分析區域內典型植物群落的地下水水位、水質在時空上的動態變化,有助於探討土壤水鹽動態變化的形成條件,揭示植被在空間上梯度變化的原因。
  16. Based on the serious shortage of soil moisture, soil aridity and vegetation recession in this region, the following issues are studied in this dissertation : ( 1 ) the meaning of soil water and its role in the water circulation ; ( 2 ) soil water deficit and its influence to vegetation growth ; ( 3 ) the definition of soil dried layer and the causes of its formation ; ( 4 ) soil dried layer distribution and characteristics in north of shaanxi loess plateau ; ( 5 ) the primary study of measurable index of soil dried layer

    本論文主要針對黃土高原土壤水分嚴重虧缺現狀以及因之而形成的土壤干化和林草植被衰退現象,主要對以下幾方面的問題進行了研究: ( 1 )土壤水分的意義及其在生態系統水分循環過程中的作用; ( 2 )林草植被土壤水分虧缺狀況及其對植被生長的影響; ( 3 )土壤干層的涵義及成因分析; ( 4 )陜北黃土高原土壤干層的分佈及特徵; ( 5 )土壤干層的量化指標初步研究。
  17. In this paper, on the basis of observed data, spatial - temporal variation characteristics of soil temperature and soil moisture. soil temperature effects on soil water movement are studied for several kinds of typical underlying surface by using statistics, spectrum, filtering wave methods

    本文首先根據幾種典型下墊面條件下的土壤表層( 1 - 1m )的土壤溫濕度資料,採用統計分佈、功率譜分析、濾波等方法分析典型下墊面條件下土壤表層水熱分佈特徵及其相互作用。
  18. Analysis of species diversity and soil factors by single factor and stepwise regression revealed soil moisture, soil salt and soil ph have significant effects on species diversity ( / j < 0. 01 )

    分別對物種多樣性和土壤指標進行了單因子和多元逐步回歸分析,結果表明,土壤水分、鹽分和酸堿度對物種多樣性有顯著影響( p < o 01 ) 。
  19. The two species with big niche in soil moisture, soil salt and organic matter overlapped greatly ( 0. 4203 ) each other, indicating similarity of adaptation to soil salt

    二者在土壤鹽分維上的生態位重疊最大( 0 4203 ) ,表明了這兩個優勢種在適應土壤鹽分方面有相以的特性。
  20. Factors which influence field soil water infiltration characteristics have soil structure, soil moisture, soil texture, topsoil crusting and plate, agriculture husbandry measure and soil water phase change and so on

    影響大田土壤水分入滲特性的因素有:土壤結構、土壤含水量、土壤質地、表土結皮和板結、農業耕作措施和土壤水的相變等。
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