降水率 的英文怎麼說

中文拼音 [jiàngshuǐ]
降水率 英文
precipitation rate
  • : 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...
  • : 率名詞(比值) rate; ratio; proportion
  1. 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,地下資源年際間變化不大,但總體有減少的趨勢,尤以陜西和山西突出。半乾旱地區量與資源量線性相關顯著,量的變化規律基本上與資源量的變化規律吻合。
  2. Results show that the spatial distribution of the precipitation of the west is very uneven and obviously different in every quarter ; the characteristics of precipitation is droughty and less - rain in almost all part in winter. plentiful in summer, spring and autumn are transition phases, rainfall of autumn is more than that of spring in the most of region ; relative variability of each season rainfall is bigger than that of year, the variability is biggest in winter, but smallest in summer. alike between spring and autnmn and comprative in numerical value ; the area of least precipitation is in talimu basin and the northwest of chaidamubasin, not in the northwest of china

    研究發現:西部地區年量的空間分佈極不均勻,局地差異大;冬季絕大部分地區乾旱少雨,夏季雨量豐沛,春秋季是過渡階段,大部分地區秋雨多於春雨;各季量的相對變大於年變,夏季最小,冬季最大,春秋兩季相似,數值上與冬季相差無幾;我國雨量最少的地區位於柴達木盆地西北部和塔里木盆地,並不在我國的最西北角。
  3. It takes into account both the ensemble otherness of members and probability distributing of precipitation

    這個方法既考慮了集合成員總體的差異性又考慮了的概分佈。
  4. The following results were found, i. e., the water ratio affects obviously the acoustic wave velocity of rock sample ; the wave velocity is higher in saturated rock samples than in unsaturated ones ; and it decreases gradually with the strain of samples during uniaxial compression ; and also with the lengthening holding time at 160 ; when heating the samples the acoustic wave velocity increases slightly in initial stage and comes to the peak value at 60, then decreases gradually with increasing temperature ; meantime, there is a certain temperature effect on rock samples size

    實驗發現含對波速影響比較大,飽和巖樣的聲波傳播速度高於不飽和巖樣的聲波傳播速度;人工預制裂紋對聲波傳播速度影響不大;單軸壓縮條件下,聲波傳播速度隨應變增加逐漸低;在同一溫度( 160 )下,波速隨保溫時間的增加而逐漸低;在對巖樣逐漸加熱情況下,初始加熱階段波速略有升高,當溫度達到60時,巖樣波速達到峰值,之後隨著溫度繼續升高其波速逐漸下;波速隨溫度變化具有一定的尺寸效應。
  5. The study was primarily conducted to investigate the effects of various irrigation managements on the yield, quality and wue of alfalfa and the sustainable utilization of soil - water in north china plain. five treatments were applied : 0mm, 30mm, 50mm, 75mm and 100mm irrigating at the beginning of the second growth cycle in 2001

    本研究通過兩年的灌溉實驗,根據對情況、土壤分的蒸發量、蒸散量與苜蓿各生物學指標的分析,初步探討了在華北平原地區不同灌溉處理對于苜蓿產量、品質、分利用以及苜蓿地土壤資源利用可持續性的關系。
  6. When we hear weather forecast of a seventy percent chance of rain, we change our plans from a picnic to a pool game.

    當我們聽到預報有70的時,就改變去野餐的計劃,而去打臺球。
  7. Tensile strength ( ts ) and elongation ( e ) of zein films decreased with the decreasing of freezing storage temperature ; the emc increased with the decreasing of freezing storage temperature, but then it had a little decrease ; with the decreasing of freezing storage temperature, the wvp of zein films showed an increase

    隨著凍藏溫度的低,蛋白膜的抗拉強度和延伸都呈下的趨勢;蛋白膜的平衡分含量隨凍藏溫度的低先上升,而後又略有下蒸氣透過隨凍藏溫度的低而上升。
  8. Secondly, it is analyzed that tradable shareholders will suffer a great loss resulting from non - tradable shareholders ’ selling for profit encashment when they haven ’ t paid enough consideration price in the share structure reform, based on the fact that transfer prices of non - tradable shares are much lower than that of tradable shares, and comparison between the discount ratio of transfer price of non - tradable share to tradable share and the lower ratio converted from consideration price paid in the share structure reform, by the conception of share price overflow between different transferring system in china

    隨后本文援引華生關於我國股票市場流通股所存在的「流通性溢價」概念,通過非流通股轉讓價格遠低於流通股股價的事實,以及非流通股對流通股股價的折價與股權分置改革方案給流通股股東帶來的折算的股價之間的比對,說明了在股權分置改革對價平不夠的情況下,非流通股股東為了兌現盈利而大量拋售股份和流通股股東因此蒙受虧損的狀況。
  9. The monitoring result proved that although the surface settlement velocity was rather great during the initial phase of enrockment, the foundation still maintained firm based on the integrated analysis of lateral displacement, lamination settlement and pore water pressure measurement

    監測結果表明:盡管拋石初期地表沉很大,但綜合測斜、分層沉、孔隙壓力觀測結果分析,地基依然保持穩定。
  10. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明:所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求;聚四氟乙烯樹脂熱分解溫度超過400 ,但在ptfe中加入無機填料會使復合材料吸提高,熔融溫度及分解溫度低,且伴有氧化分解反應;碳纖維表面含有c = o及c - o - c等極性基團,有利於提高其與其它組分的相容性,提高層間剪切強度;均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系,擬合曲線基本能表示各配方的摩擦系數發展趨勢;配方中不加銅粉或不加石墨,其摩擦系數均較高,說明銅粉和石墨應該配合使用;當銅粉15份、石墨60份時,銅粉30份、石墨30 - 40份時,銅粉60 、石墨15 - 30份時,摩擦系數均具有較低值;純聚四氟乙烯樹脂在空氣冷卻時結晶度最大,磨損量也是三者中最大的;同時,固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的:不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副,在金屬表面均可形成潤滑轉移膜,從而減少金屬摩擦副表面間的直接接觸,大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  11. In fact, as a very important part of material geochemistry cycle, chemical weathering and mechanical denudation plays a crucial role in affecting and changing the surface continent deeply

    扣除大氣、人類活動、大氣co :等非巖石風化來源的物質后得到了中國17個主要流域盆地較為準確的化學風化數值。
  12. The degradation rate of map was 79. 95 % in 5 days when the water content in soils was 150 % ( paddy soil ) in laboratory test. the test also showed that degradation rate in paddy soil was higher than that in upland soil

    在模擬田和旱田試驗中,加菌5天後田土壤中甲胺磷的為79 . 95 ,同時發現菌株在田中的解效果要好於旱田中的解效果,含量高有利於土壤中農藥的微生物解。
  13. 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,對保定市量進行了頻分析、年內變化分析和多年變化分析,明確了保定市量年內、年際間的變化情況:保定市量年內分配不均,汛期( 6 - 9月)占年量的81 。保定市量年際間變化大,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年代前期量豐枯交替頻繁,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。
  14. Based on rain drop size distribution ( dsd ) data measured in qingdao, guangzhou and xinxiang, the radar reflectivity factor z for spherical rain drops, the radar reflectivity factor zh and differential reflectivity zdr for oblate ellipsoid rain drops have been calculated. the relation of reflectivity and rainfall rate for conventional meteorological radar and the relation of reflectivity, differential reflectivity and rainfall rate for multiparameter radar are regressed, the performance difference of two kinds of radar for measuring rainfall and difference for measuring rainfall in different regions are also discussed

    基於我國青島、廣州和新鄉地區雨滴尺寸分佈數據,計算了球形雨滴雷達反射因子,橢球形雨滴雷達平極化反射因子和差分反射,回歸給出了這些地區的常規氣象雷達反射因子與的經驗關系和多參數雷達下極化雷達反射因子、差分反射關系,並對其測雨精度和地區差異進行了比較。
  15. By analyzing the rainfall use efficiency, the soil moisture variation during the whole growth period, the economic characters and the output of dry land corn under different film mulch modes, it has been proved that the mode of whole covering on double ridges and planting in catchment furrows is an effective way to store and utilize fully the natural rainfall, to improve soil moisture conservation, to raise rainfall use efficiency, to advance maturity time, and to increase yield and economic benefits of dry - land corn remarkably

    摘要通過對旱作玉米幾種不同覆膜栽培模式利用、玉米整個生育期的土壤分監測、生育時期觀測、經濟性狀及產量分析證明,旱作玉米雙壟面全膜覆蓋集雨溝播技術是一項充分接納和利用天然、最大限度保蓄土壤分、顯著提高利用、提早成熟、增產效果明顯、經濟效益顯著的旱作玉米栽培模式。
  16. Contribution percentages about precipitation to runoff were calculated to divide rapid flow and slow flow in the model, the proportion of them of wuyandong subterranean stream system is 2 to 3

    通過對徑流的貢獻進行快速流和慢速流的劃分,屋檐洞地下河系統的快速流與慢速流比例接近2 : 3 。
  17. Data used in this work are north pacific ssta, 160 stations precipitation of china, and ncep reanalysis data. main results are as follow : ( 1 ) it is found that a apparent transition of north pacific ssta in later 1970 ' s : eastern and middle - equatorial pacific ssta turns from cold to warm with area extending, and mid - latitude pacific ( west wind drift zone ) turns from warm to cold. during this transition of ssta, different characters also appear in el nino and la nina : before 1976, la nina happens more frequently, and its duration is longer, el nino zone develops from negative ssta in the early stage ; after 1976, el nino happens a little bit frequent and longer with more intensity than before, el nino zone develops from positive ssta in the early stage ; the course of ssta variation has an enso cycle of 2 - 6 years, annual oscillation of 8 - 9 years, and decadal variation of about 22 years

    本文採用1950 - 1999年北太平洋海表溫度( sst ) 、中國160站夏季和ncep再分析的歐亞500hpa高度場等資料,利用eof 、 svd 、小波分析、合成分析和相關分析等方法,在分析北太平洋海溫時空分佈特徵的基礎上,著重探討了海溫異常及其年代際變化對我國東部的影響,並對、高度場和海溫三者之間的關系進行了分析,以試圖尋找三者異常之間可能的聯系,主要結論如下: ( 1 ) 1976年前後,北太平洋海溫經歷了一次明顯的轉變,赤道中、東太平洋厄爾尼諾海區由冷轉暖,暖范圍增大,中緯度西風漂流區海溫由暖轉冷;在這樣的年代際背景下,厄爾尼諾、拉尼娜事件在不同的時期也有不同的特徵:在76年前,拉尼娜事件發生頻高,持續時間長,事件起始於負海溫距平;而76年後,則是厄爾尼諾事件發生頻略高,持續時間長,強度增大,事件起始於正海溫距平。
  18. The phase change of soil moisture and inflation of the frozen moisture c ause the reduction of hydraulic conductivity by reducing the area of flow section and the aperture of soil pore space, increasing the capillary resisting force to soil moisture, and decreasing the water potential gradient because of the increasing of movement distances of soil water

    減小是凍結土壤入滲能力減小的根本原因,而土壤中液態的相變是導減小的根源所在。土壤分的相變及其膨脹通過減小土壤分過斷面面積和孔隙孔徑,增大阻力和由於增長運動距離而減小勢梯度使凍結土壤的導低。
  19. Aim to analyze the problems in the course of the exploitation and utilization of water resources and offer some references to the sustainable utilization of water resources in baoji city, shaanxi, china in the future. methods beginning with the restrained factors that affects the sustainable exploitation of water resources, the main problems is systematically analyzed that exposed in the course of the exploitation and utilization of water resources : utilization ratio of water resources is low, water waste is serious ; groundwater is exploited excessively, water level drops continuously ; water pollution is serious, water quality worsens obviously ; management system of water resources is imperfect, the facilities of irrigation works wear out seriously. results it is suggested that pursue saving water all - round to build a water - saving society, and perfect the paid - use system of water resources to implement the industrial management of water resources, and strengthen the protecting consciousness of water resources together with controlling groundwater exploitation strictly, and increase the fund investments to enhance the irrigation works abilities of adjusting, holding and preventing the flood, and strengthen the network management of water resources besides improving the official specialized quality. conclusion the reasonable exploitation and utilization of water resources plays a key role in the sustainable development of economy and society in baoji city, shaanxi, china

    目的分析寶雞市資源開發利用中存在的問題,為今後資源的可持續利用提供參考依據.方法從影響寶雞市資源可持續利用的制約性因素入手,系統分析了在資源開發利用中存在的主要問題:資源利用低,浪費嚴重;地下開采過度,位持續下;污染嚴重,質明顯惡化;資源管理體制不健全,利工程設施老化嚴重.結果提出了相關的解決對策:全面推行節約用,建立節型的社會;完善資源有償使用制度,實現資源的產業化管理;強化資源保護意識,嚴格控制地下開采;加大資金投入力度,提高利工程的調蓄防洪能力;加強資源網路化管理,提高管理人員的專業素養.結論資源的合理開發和利用是實現寶雞市經濟社會可持續發展的關鍵
  20. In addition, a thought of how to use the mesoscale convergence center, tbb of convective cloud and the radar echo for rainfall rate to predict the mesoscale rain cluster is presented

    提出利用逐時的中尺度輻合中心、衛星紅外雲圖雲頂亮溫及雷達回波降水率做中尺度雨團量級預測思路。
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