降水量變化 的英文怎麼說

中文拼音 [jiàngshuǐliángbiànhuà]
降水量變化 英文
variation in precipitation
  • : 降動詞1. (投降) surrender; capitulate 2. (降伏) subdue; vanquish; tame
  • : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 降水量 : precipitation; amount of precipitation降水量計 precipitation gage; 降水量學 hyetology
  1. The decline of river runoff indicates the obvious trend of environmental aridity in the region

    流域河川徑流來源於,全球是河流徑流的背景。
  2. In the end, cluster - analysis - based floating control historical regression method with uniform precipitation and atmospheric precipitable water as metoorological covariates could more validly evaluate efficiency of cloud seeding operations and significant level of ca - fcm method was higher than the other methods, because it adopted cluster analysis which highly improved the correlativity between rainfall distributions in the control area and target area, and used grid interpolation which enhanced exactness of calculating precipitation rainfall, and chose atmospheric precipitable water as the covariant which increased the inferential accuracy of natural rainfall on the cloud seeding operational area

    最後,得到以和整層大氣可為協的ca - fcm方法,由於採用聚類分析( ca )方法,提高了對比區和影響區相關性;採用網格插值技術提高了雨的計算準確度;引入了不受催影響的物理協(整層大氣可) ,提高了作業區自然估計值的準確性;所以評估效果最好,顯著平高於0 . 05 。
  3. The space - time distribution of chinese semi - ari d region surface water is n ' t even, the differences in a year are obvious ; the differences of underground water between years are not so obvious as surface water, but it still has a decreasing tendency, especially in shanxi and sha ' anxi provinces. there is a significant linear correlation between the precipitation and water resources in semi - arid region, the dynamic regularity of water resources is basically same as the dynamic regularity of precipitation

    半乾旱地區地表資源時空分佈不均勻,年內分配差別大,地下資源年際間率不大,但總體有減少的趨勢,尤以陜西和山西突出。半乾旱地區資源線性相關顯著,規律基本上與資源規律吻合。
  4. 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:對鹽堿地稻節灌溉技術進行優研究,系統地分析了不同節灌溉技術對稻生理指標及產的影響,採用了多目標模糊優的方法,對灌技術進行綜合評判,優選了節灌溉技術,論證該地區宜採用稻控制灌溉技術;闡述控灌技術通過調節和控制稻的需規律,稻高產情況下的無效消耗,從稻生理、生態節兩方面分析了控灌技術節機理,針對性地總結出稻各生育期實施節控灌技術的步驟及技術要點;通過控灌與淹灌的定對照比較,從根系、莖蘗、冠層葉片及綠葉動態到株高,土壤,抗病蟲害、抗倒伏能力,稻田土溫,產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,跟蹤測試田間狀況,驗證控制灌溉技術在鹽堿地區稻灌溉中應用的適應性,通過分析稻控制灌溉淋洗條件下稻生理生態指標,提出優控制灌溉+間歇淋洗組合模式,為進一步在高礦度地區試驗稻控灌技術奠定基礎。
  5. The mld of the ocean near the equator from 10 ? s to 10 ? n are less than 50 m and have no evident seasonal variability

    而在10 s 10 n之間的赤道附近海域,因風應力和凈熱通的季節不大,且該區較大,浮力通增加, mld較淺,低於50米,且沒有明顯的季節
  6. 5, gps pw data can be assimulated into mm5 by using 3dvar technique

    5 、用三維分技術能有效地同gps可資料。
  7. During storing period the husked rice under conventional storage usually has apparent degeneration in its fatty acid content, the total acidity of water - soluble acids also changes distinctly, and the catalase activity and the germination percentage of husked rice will reduce evidently with the extension of storing duration

    常規儲藏的糙米在儲藏期間脂肪酸含明顯,溶性酸的總酸度也較明顯,糙米的過氧氫酶活性、糙米發芽率會因儲藏時間的延長而明顯低。
  8. The result indicates that in the case of constant content of asphalt, marshall stability, compression strength, rupture strength, compression modulus and rupture modulus of cement emulsified asphalt concrete would increase along with the increase in cement content ; in the case of constant content of cement, these index values would decrease along with the increase in asphalt content ; while with the increase of coarse aggregate, rupture strength and rupture modulus of the concrete would increase conspicuously, yet compression strength and compression modulus would have a little change

    試驗結果表明:在乳瀝青含時,隨著泥用的增加泥乳瀝青混凝土的馬歇爾穩定度、抗壓強度、抗折強度、抗壓回彈模、抗折回彈模隨之增加;在泥用時,隨著乳瀝青用的增加相應的力學指標呈低趨勢;礦料級配中粗集料含增加后,混合料的抗折強度和抗折回彈模有明顯增加,但抗壓強度和抗壓回彈模不大。
  9. In ported trials, wu gave the minimum tr of all plants, and its diurnal maximum tr persisted stability the most within the range of soil moisture 20. 4 % - 6. 4 %. ; nx lowered its tr and shrank its high - low lines after had experienced irregular wet - drought hardening period during culturing ; kerqin performed a plasticity as compared to field ; c. lanata also stood the most stability but on the basis of middle - high maximum tr level ; tr by caragana korshinski was high when soil water was abundant, but was lowest for lack of water ( 6. 4 % )

    盆栽試驗表明,華北駝絨藜蒸騰最弱,且在土壤含20 . 4 6 . 4的范圍內最高蒸騰速率穩定性最強;經脅迫鍛煉寧夏駝絨藜蒸騰低,幅減小;科爾沁駝絨藜與大田相比蒸騰可塑性較強;土壤中,北美駝絨藜蒸騰在中高平上維持穩定的能力最強;分良好時檸條蒸騰很強,分脅迫中蒸騰極大低。
  10. To this area precipitation materials for many years, evaporate materials, surface flow materials, hydrometeorological materials, hydrogeological materials carry on exhaustive analysis, have analysed the state of water resource of the sand district, proceed from the heat of the earth ' s surface is balanced, water yield balanced basic theories, combine the amount of regional water resource set up of the materials, such as scene, hydrology, soil of the sand district, etc. and estimate models, have calculated the surface water, groundwater of this area, has carried on models to examine according to the real data, and has predicted to the state of water resource under different climate change scenes of future that analyse. have put forward the scheme that the water resource in this area utilized rationally, use the non - linear motive force model to predict the precipitation, utilize the materials of actual observation, the natural supply amount of calculating out groundwater of sand ground of balanced principle of the amount of water used at the same time, and can exploiting amount predict to groundwater, district of sand,

    本文以寧夏半乾旱地區鹽池縣沙地資源為研究對象,對該地區多年資料、蒸發資料、徑流資料、文氣象資料、文地質資料進行了詳盡的分析,分析了沙區的資源狀況,從地表熱平衡、平衡的基本理論出發,結合沙區的氣象、文、土壤等資料建立了區域資源估算模型,計算了該地區的地表、地下,根據實際資料進行了模型檢驗,並對未來不同氣候情景下的資源狀況進行了預測分析,提出了該地區資源合理利用的方案,運用非線性動力模型對進行預測,同時利用實際觀測資料,運用平衡原理計算出沙地地下的天然補給,並對沙區地下可開采進行預測。
  11. The precipitation frequencies is analysed according to 1956 ~ 2000 years of rainfall record series in baoding area. the features of distribution of rainfall are detailed evaluated. firstly, the distribution of monthly precipitation is not even. for instance. the annual rainfall amount is about 548mm in whole year, about 80 % of them in summer season. secondly, yearly variation of rainfall is greater. thirdly, the abundant years usually are followed by short years, but the important changes have taken place in the last decades. before 70 ' s the abundant years took the dominant position, from the 70 ' s to the middle of 80 ' s the short years took place more frequently than ever. after the later of 80 ' s, the short years hold the main position. the above knowledge is instructive for guiding the rainwater resources effective utilization

    本文利用1956 2000年保定市的長系列雨資料,對保定市進行了頻率分析、年內分析和多年分析,明確了保定市年內、年際間的情況:保定市年內分配不均,汛期( 6 - 9月)占年的81 。保定市年際間大,豐年和枯年交替發生, 70年代以前以豐年段為主; 70年代到80年代前期豐枯交替頻繁,總的接近於枯年段; 80年代後期至今以枯年段為主。這種分佈規律對農業生產雨資源的高效利用具有重要的指導意義。
  12. Characters of precipitations in recent 113 years in xiamen areas

    降水量變化特徵分析
  13. Study on primary consolidation of saturated soft clay under pre - loading drainage condition should be started with its drainage in nature, i. e., study the variation discipline of primary consolidation by its water content variation of soft clay through the pre - loading course, utilizing the basic property index of clay, then deduce the primary consolidation ration formula and get the theoretical calculation solution of primary consolidation ( settlement ), absolute primary consolidation, as well as absolute consolidation degree

    摘要對飽軟粘土的預壓排主固結研究應從其排的本質出發,即從軟土在預壓過程的含上研究主固結規律,利用土的基本性質指標導出主固結比基本公式及主固結(沉) 、絕對主固結、絕對固結度等理論計算方法。
  14. 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年的年序列是平穩的、無周期,其時空與徑流、蒸發、潛在蒸散和土壤分的關系表明,氣候乾燥和嚴重的荒漠不是由於減少直接引起,龍羊峽庫對共和盆地年沒有影響;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,因此氣候對盆地的作物潛在蒸散的影響在研究期內是較小的。
  15. Within the same year, precipitation mainly concentrates in june, july, august and september, april and november were the turning point of annual rainfall ; the dates of effective rainfall are less, and the dates of ineffective rainfall are more. there is significant or highly significantly correlations between annual precipitation and rainfall from july to october

    在時間分佈上,主要集中在6 9月, 4月和11月為一年中降水量變化的轉折點;年均日數88天,顯效日數少,占同期的13 . 6 ;無效占年的比例高,近47 ; 7 10月的月與其年都有顯著或極顯著的相關性。
  16. Although the annual rainfall in counties of ningnan mountainous area fluctuates in time scales ( year, month, and 10 - days ), the rainfall is on the trend of decreasing in forty years

    以40年為尺度比較年降水量變化都呈低趨勢;各月隨時序的趨勢與年隨時間的趨勢有不一致性。
  17. The precipitation of the year has 10 year periods, 2. 5 - year oscillations have large variance in he precipitation of spring, winter and the year, especially in winter, the variance reach 36. 3 %. the trend of temperature is positive in all the year, increasing in north region is very prominent, this trend conform to the temperature increasing trend of the northern hemisphere

    但分地市來看,有些地市價有明顯的趨勢。浙江省年降水量變化有明顯的10年周期,春季、冬季及年降水量變化有2 5年周期,特別是冬季25年振蕩的方差達到
  18. Research manifests that : ( 1 ) allocation in the year of precipitation is very uneven, and yearly precipitation is different in great scope, negative anomaly of precipitation appear concentratly in the 1990s, the precipitation in the 1990s decreased in different degree ; ( 2 ) close positive correlation exists between runoff and precipitation, runoff is abundant in the year with prolific precipitation, and generally in the year with scarce rain the volume of runoff is not enough ; ( 3 ) there is 20 % margin in their changes amplitude, this mainly resulted from high frequent human activities

    結果表明: ( 1 )流域內年內分配極其不均;年際劇烈,進入90年代后負距平集中出現, 20世紀90年代較多年均值有較大程度的減少; ( 2 )流域內河川徑流與之間存在密切的正相關關系,多的年份,河川徑流豐富,反之較枯; ( 3 )河川徑流積極響應,然而河川徑流幅度卻比幅度大20 % ,這個偏差主要是由於頻繁的人類活動的干擾造成的。
  19. Four - dimensional variation data assimilation ; aws precipitation assimilation ; meso - scale numerical model ; torrential rain simulation

    四維分自動站中尺度數值模式暴雨模擬
  20. In a short time, it is not very obvious that the vegetation grows with the temperature relation ; the precipitation and vegetation of salt pond district grow and present obvious positive correlation, it is a main restriction factor of growth of vegetation ; the lagging effect exists in the impact on vegetation of change of precipitation, mainly reflect it on the amount of degree, vegetation height and living beings covered of the vegetation

    結果表明:在大時間尺度上,氣溫與植被生長呈負相關;在短期內,植被生長與氣溫關系不很明顯;與鹽池地區植被生長呈現明顯的正相關,是植被生長的主要限制因子;對植被的影響存在滯後效應,主要體現在植被蓋度、植被高度和生物上。
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