雨量分佈系數 的英文怎麼說
中文拼音 [yǔliángfēnbùxìshǔ]
雨量分佈系數
英文
rainfall distribution coefficient- 雨 : 雨名詞(從雲層中降向地面的水) rain
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 數 : 數副詞(屢次) frequently; repeatedly
- 雨量 : rainfall; hyetal
- 系數 : [數學] coefficient; ratio; modulus; quotient; factor
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From the aspects of agricultural economic and environmental ecological effects, were the effects and mechanism of rare - earth micro - fertilizer to improve the growth, development, quality and yield of the crops ; the adjustment of crops growth by influencing the number of microbial population in soil district and the function of the soil dehydrase, alkaline phosphatase, urease and sucrase ; the ecophysiological effects of alleviating the injure of acid rain, ultraviolet radiation, heavy metal on crops were illustrated ; the sureness of bee ' s use in agricultural was provided, according to the rule of the distribution and enrichment of be in crops
摘要從農業經濟效應和環境生態效應二方面,論述了稀土肥料促進作物生長、發育,提高作物產量,改善作物品質的效應與機理;影響土壤區系中微生物種群數量和土壤脫氫酶、堿性磷酸酶、脲酶及蔗糖酶的功能,繼而反饋調節作物生長;緩解酸雨、紫外輻射和重金屬傷害作物的生態生理學效應;並以稀土在作物體內分佈與富集規律為參考,探討了稀土農用的安全性。To investigate the space / time distributions and occurrence and evolution of such events, the diffusion pattern over deserts, turbulent transfer features in sandstorm weather, the particle size distribution, mass concentration and its distribution, optic properties, chemical composition and physical factors responsible for the initiation of raising sands, we made integrative observation and sounding of sandstorms deep in the large - scale desert area, including tengri, badanjilin and maowusu, with the items consisting of micrometeorological measurement, 3d wind observation, data from kb - 120 and anderson samplers of mass concentrations of sands with their spectrum, the distribution of aerodynamic particle sizes from the aps3310a, retrieval of aerosols " optic depth from sunphotometer data, assay of the chemical composition by means of neutron activiation analysis ( naa ) and integrated study of all related factors for causing sandstorm to occur, based on the observations of all kinds
利用所取資料,系統分析了不同強度沙塵天氣條件下沙塵氣溶膠質量濃度和質量濃度譜、粒子譜分佈、光學厚度、化學組分等特徵;綜合分析了影響沙塵起動的諸物理因子在沙塵起動中的作用;用沙塵輸送模式對一次沙塵暴天氣造成的泥雨過程的形成機制進行了模擬。歷史氣象資料統計分析表明,沙塵暴有其高發期( 4 、 5月)和高發時段( 14 - 20時) , 14時到20時之間發生的沙塵暴約占沙塵暴總次數的66 。揚沙和沙塵暴天氣條件下,湍流動量通量和湍流感熱通量都是重要的湍流交換,沙塵暴發生前近地層的超絕熱不穩定對沙塵暴天氣有加強作用。Whereafter, based on the analysis on the flood influence for traffic lines, the research is centered on the following parts : firstly, the destroying modes, reasons and mechanism of flooded lines are discussed, and the frameworks and countermeasures of preventing and controlling hazards system are put forward ; secondly, the ways of region forecasting for the landslide are analyzed and the automation of landslide forecast for certain site through visual programming is realized. furthermore, the function of dynamic segmentation in arc view is made use of to realize the forecast result ' s visualization ; thirdly, the reasons and patterns of roadbed subsidence are discussed and the methods of forecasting subsidence based on the gm ( 1, 1 ) model are put forward. then the applications of the arcview software and its extended module on the study of roadbed subsidence are debates upon ; fourthly, an analysis on the sources of flood for traffic lines, which situate in the reservoir coverage area, is given
接著,論文探討了山區交通線路災害的特點、分類、時間和空間分佈規律以及災害的防治原則和對策等;然後,以洪水災害對交通線路的毀壞為主線,重點研究和分析了以下幾個問題:第一,探討了洪水對交通線路的破壞方式,水毀原因以及水毀機理,並提出了交通線路水毀防禦系統框架和對策;第二,分析了雨季邊坡塌方災害的區段預測方法;通過可視化編程,編制了雨季邊坡塌方災害的工點預報程序,並結合arcview實現了預測結果的可視化;第三,對路基沉陷原因和模式進行了分析,並提出利用gm ( 1 , 1 )模型對路基沉陷區進行分析和預測,最後論述了arcview軟體及其擴展模塊在沉陷區研究分析中的應用;第四,對汛期庫區線路災害的原因進行了分析,並探討了利用數量化理論對路基防護工程抗洪能力進行預測的意義;第五,提出從風險的角度對交通線路的防災減災進行管理,對風險估計的相關問題進行了論述,並探討了交通線路水害危險區段的劃分問題。System of hydrologic data collection and transmission can automatically collect, transmit and process the real time data such as rainfall, stage and discharge with the latest achievements in communication and computer technology
摘要水情信息採集系統是應用遙測和現代通信技術,實現江河流域降雨量、水位、流量等數據的實時採集、報送和處理的信息系統,它具有傳輸數據量小、通信網路分佈地域廣以及通信條件比較惡劣等特點。The wetting front moved nearly parallel to the soil surface, and its length could be described by a power function of time, when the distribution of initial soil water was uniform
當初始含水量分佈均勻時,降雨入滲過程中濕潤鋒面幾乎平行坡面運移,濕潤鋒深度與時間的關系可用冪函數描述。Study shows that great rainfall influences soil slope safety factor markedly, magnitude of rainfall intensity has a great influence on slope safety factor for steep slope under certain coefficient of saturated conductivity, the surface plant roots affect unsaturated zone seepage field distribution and postpone unsaturated zone moisture content ' s increase, so the soil slope safety factor is enhanced finally
分析結果表明,在土體飽和滲透系數一定的條件下,強降雨對土坡穩定系數影響顯著;土坡越陡,降雨強度大小對土坡安全性影響就俞顯突出;土坡表層植物根系的存在影響非飽和區滲流場分佈,可以延緩非飽和區含水量的增大,土坡穩定系數得到提高。The field of water distribution is obtained by finite difference method, then it is transformed into weight field and strength field or the field of suction distribution. the safety factor of slope during the infiltration time is calculated by slice method according to the actual weigh field and strength field
在有限差分法求得土坡水分分佈的基礎上,提出了用條分法計算土坡在降雨入滲各個時刻安全系數的思路:把水分分佈場轉化為邊坡的基質吸力分佈場(強度場)和重量場,用邊坡的實際重量場和強度場來進行安全系數的計算。Among these 62 stations, 24 are " full " stations from which measurements of winds, temperature, humidity, pressure and rainfall are made continuously by the field systems ; there are nine stations equipped with anemometers only ; another network of eight anemometer stations located in the airport areas is dedicated for the wind analyzer system for aircraft safety ; there is also a network of 21 rain gauge stations
(一) 24個設有全套測量儀器的自動氣象站,不斷測量風速、風向、氣溫、濕度、氣壓和雨量; (二) 9個?設置風速表的自動氣象站; (三) 8個分佈於機場范圍內不同位置的風速表站,它們組成了一個網路,專門為一套風分析系統提供數據,以確保航空交通的安全;分享友人