flood distribution 中文意思是什麼

flood distribution 解釋
洪水分佈
  • flood : n 1 洪水，水災。2 溢流，漲水，潮水最高點，泛濫，洶涌。3 〈詩〉河，湖，海。4 充溢，豐富；大量，一...
  • distribution : n 1 分配，分發，配給；分配裝置[系統]；配給品；配給量；【經濟學】配給方法，配給過程；分紅；【法律...
  1. The distribution of the global dry and flood years takes on decadal character

    旱澇年的分佈有明顯的年代際特徵。
  2. Based on the development feature analysis, this paper studies thoroughly the reservoir flood feature and remaining oil distribution through the microstructure, sendimentary phase, reservoir heterogeneity and well control, and proposes the comprehensive adjustment based on the injection and development well net structure and improvement the result of the research is obvious with the production degression rate from 9. 14 % of 1997 to present - 1. 46 %, and water rate from original 0. 33 % to present 0. 16 %. in summary, the research idea, method and new achievement of the thesis provide a scientific geological basis for the oilfield development improvement

    在對本區開發歷程和開采特徵分析的基礎上，從微構造、沉積微相、儲層非均質性、井網控制等方面深入地分析了油藏水淹特徵及剩餘油分佈規律，提出了以完善注采井網、調整注采結構為目的的綜合調整措施，已見到了明顯的效果：油田遞減由1997年的9 . 14降至目前的- 1 . 46 ，綜合含水上升率由原來的0 . 33降至目前的0 . 16 。
  3. It is found that the distributions of flood forecasting errors both in humid or semi - humid region approximately obey the law of normal distribution and the method based on pome is effective for calculating the distribution of flood forecasting errors

    結果表明，我國濕潤和半濕潤地區的洪水預報誤差近似服從正態分佈，且採用陽me方法計算洪水預報誤差分佈是可行的。
  4. The main process of regional ecological risk assessment includes 5 stages : regional analysis, risk receptor selection, risk sources analysis, exposure and hazard analysis, and integrated risk assessment. arming at flood, drought, storm tide, petroleum pollution accident and flow breaking in the lower huanghe river, the probability and distribution of each kind of risk sources are evaluated. the authors bring forward indexes and formulas to measure hazarded degree and risk value of ecosystem. by using remote sensing data, historic record, survey data and by means of geographical information system, regional ecological risk assessment is finished. on the basis of assessment result, the environmental risk management countermeasure of the huanghe river delta is advanced

    以黃河三角洲為例進行了區域生態風險評價理論和方法的探討。針對黃河三角洲主要生態風險源洪澇乾旱風暴潮災害油田污染事故以及黃河斷流的概率進行了分級評價並提出度量生態損失與生態風險的指標和公式，分析了風險源的危害作用運用遙感資料歷史記錄調查數據和地理信息系統gis技術，完成了區域生態風險綜合評價在此基礎上提出黃河三角洲的區域生態風險管理對策。
  5. Regional combinational law of the main agricultural meteorological disaster is summarized through analyse three main agricultural meteorological disaster and their types, characteristic and regional distribution in jilin province. and forecast the trend of drought, flood and low temperature cold damage. all the purpose is to provide the scientific basis for disaster prevention and control in accordance with local condition

    本文通過對吉林省三種主要農業氣象災害（乾旱、澇災、低溫冷害）的特徵分析，總結出吉林省主要農業氣象災害的空間組合規律，並對未來旱澇和低溫冷害的趨勢進行了預測，為吉林省制定減災、防災和救災的基本對策提供科學的依據。
  6. The whole thesis consists of three parts. firstly, we establish the meteorological disaster database of jilin province and deduce the statistic frequency of the main meteorological disaster on the base of choosed meteorological disaster index. the spatial distribution law and time variation of drought, flood and low temperature cold damage are concluded with the gis technology

    全文主要由三部分組成：首先，在選擇氣象災害指標的基礎上，建立了吉林省氣象災害數據庫，統計主要農業氣象災害的發生頻率，然後利用gis技術得到吉林省旱澇、低溫冷害的空間分佈規律和時間變化。
  7. According to the analysis of the beach distribution, landforms and structure of flood land, hydrologic geology and bad geological phenomena in the middle - lower reaches of yangtze river, this paper comprehensively studies the environmental geological conditions for harbour construction in the banks of yangtze river. discussed are the relation between inner material component and rock system beheath in the beach. presented are beachs structure and the category and the behaviour of groundwater, and offers a scientifis basis for harbor construction

    論述了長江中下游漫灘分佈特徵及其成因，分析了漫灘微地貌及其相關沉積物的地質特徵，從漫灘內部物質組成及其下覆巖系關系，全面地論述了漫灘的結構特徵，闡述了地下水的類型及動態，以及由此引起的不良地質現象，為長江中下游港口工程建設提供了地質依據
  8. 3. a three - dimensional - acoustic doppler velocimeter has been used to measure the velocity and turbulence in a compound channel with vegetated and unvegetated flood - plains. particulary in the interface region between main channel and floodplain. the distribution in three coordinate directions of velocity and turbulence intensities and the renolds stresses are presented. the momentum transfer at the main channel flood - plain interface can be described as an apparent shear stress which can be quantified as a function of the local turbulence at the interface

    採用adv對灘地種樹前後灘槽交界區域的流速場進行了量測。分析了灘槽交界區域的垂線流速、紊動強度和雷諾應力的變化。將灘槽交界的動量傳遞描述為一表觀應力，這個表觀應力可以看作是交界面處的脈動函數並將其定量化。
  9. In this paper, some characteristics of flow movement and sediment transport are analyzed by using the flume experiment data. the cross section of compound channel can be divided into four regions : the undisturbed region in main channel, the interactive region between channel and plain, the undisturbed region in flood plain and the boundary region. in the undisturbed regions, the distribution of longitudinal velocity along the depth has the feature of lograithmic. whereas, in the interactive region, the longitudinal velocity does not obey the logarithmic distribution law, but it can expressed as a revised logarithmic function by using a wake function. on the basis of the kinematic equation the velocity distribution of transverse velocity is obtained. in the boundary region, the longitudinal velocity obeys the law of parabolic distribution. furthermore, according to the simplified diffusion equation, the transverse distribution of sediment concentration in the interactive region is deduced. the analysis is in good agreement with the measured data

    本文根據漫灘水流的運動特點，將漫灘水流的復式斷面分為主槽平衡區、灘槽交互區、灘地平衡區及邊壁區等4個區，並給出了各區寬度的經驗公式.根據灘槽交互區垂線流速分佈的變化特點，提出了附加尾流函數的對數流速分佈公式.在簡化水流運動方程和泥沙擴散方程的基礎上，對灘槽交互區內垂線平均流速及含沙量沿橫向分佈進行了理論分析，提出了反映灘槽水流動量交換強度的橫向渦量粘性系數及橫向擴散系數的表達式，得到了漫灘水流垂線平均流速及含沙量沿橫向分佈的解析解，並與實測資料吻合較好
  10. The main work is done with the help of model experiment. in the flood - relief experiment, the flood carrying capacity of spillway tunnel is checked. in the hydraulic experiment of the diversion power conduit system, the followings are studied : the flow condition and fluctuation in the surge chamber, the distribution of flow velocity before the rack in the surge shaft, the amplitude of stage in the quick gate bay etc. the test step, content and results of different proposals are introduced in details

    本項優化試驗研究的目的主要在於，通過泄洪系統整體水力學試驗，校核泄洪洞的泄流能力；通過發電引水系統整體水力學試驗，研究調壓井內水流流態和水位波動情況、調壓井內攔污柵前流速分佈情況；確定快速閘門井內水位波動幅度；試驗確定壓力管道水擊壓力穿井系數以及泄洪洞弧形門處的水壓力。
  11. The comprehensive control of soil and water loess makes the seasonal distribution of river flow more even by reducing more in flooding season and less in non - flooding season. the paper proposed a method to analyze the impact of the integrated control of soil and water loess on flood flow in a large - scale catchment

    水土流失綜合治理使汛期徑流量減少程度大，非汛期減少程度小，從而使枯季徑流量占年徑流量的比例增加，汛期徑流量的比例降低，徑流量的季節分配趨于均勻。
  12. Due to issues of dongting lake districts flood composition, the evolution of sediment flow, the river and lake ( r & l ) distribution characteristic as well as the layout of r & l - dredging engineering, the article simulated the model of the dongting lake terrain change by using the gis technology and adopted the limited volumetric method to establish the two - dimensional hydraulics computation model of lake in order to forecast the water level, the flow capacity, the speed of flow and changes of flow field after implemented the project, which have provided the reliable theoretic basis for the decision - making and implementation of renovation for river course, canal and harbor and river course - dredging engineering

    摘要針對洞庭湖區的洪水組成、水流泥沙演變、河道湖泊水系分佈特點以及河道湖泊疏浚工程布局情況，利用gis技術模擬洞庭湖地形變化，採用有限體積法建立了湖泊二維水力學計算模型預測疏浚工程實施后的水位、流量、流速流場變化，為河道、航道港口整治、河道疏浚清淤等工程決策與實施提供了可靠理論依據。
  13. In this paper, the climatic variation features and spatial and temporal distribution of the flood and drought in zhejiang province were analyzed by using 36 monthly and seasonal station data during 1961 - 1999 observed over zhejiang province, 160 rainfall and temperature data during 1951 - 1999 observed over china, northern hemisphere 500mb height data during ! 961 - 1999, the planting and flood disasters area data in zhejiang province during 1949 - 1998. we used many method : calculated trend coefficient of rainfall and temperature, used eof, reof, ssa ( singular spectrum analysis ) and mem ( maximum entropy spectrum ) method and synoptic method. we first studied the climatic variation features of summer and autumn and characters of the flood and drought in zhejiang

    本文用1961 - 1999年浙江省36個氣象觀測站的降水量和氣溫資料、 1951 - 1999年全國160站的降水量和氣溫資料、 1961 - 1999年500hpa月平均高度資料和1949 - 1999年浙江省11個地市的受災面積、成災面積、耕地面積等資料，通過計算趨勢系數、變量場eof分解、旋轉eof分解、奇異譜分析和最大熵譜分析等多種統計學方法和天氣學方法，研究了浙江省氣候變化特點及旱澇災害時空分佈的特徵。
  14. The results indicate that in the yearly - first flood season, most of the lightning process of westerly zone systems occur at night, while the counterparts of the tropical system almost always happen in daytime ; cloud systems of the westerly zone system are quite different from the tropical system in the lightning distribution character and range

    結果表明：西風帶系統雲系的閃電過程在前汛期大部分出現在夜間，而熱帶系統雲系的閃電過程幾乎都出現在日間；西風帶系統雲系的閃電分佈形態特徵和范圍與熱帶系統雲系有很大的差異。
  15. Using monthly mean rainfall and temperature data in north - west of china ( nwc ), the characteristics of rainfall anomaly at rainy season in nwc and the inter - annual varieties of drought / flood are diagnosed by means of eof, reof and wavelet analysis et al. and the ncep / ncar monthly reanalyzed data are employed to analyse the evolution character of water vapor flux and it ' s divergence flux, 500hpa height and u, v wind field. results show that ( a ) the space distribution of rainfall anomaly can be separated into seven climate sensitive areas, the first and the third region have the same rought / flood trend

    本文使用西北（區） 168個站1961 2000年6 9月（主汛期）月平均降水、溫度資料，運用eof 、 reof 、小波分析等方法診斷了主汛期月降水異常和旱澇的年代際變化；同時利用ncep ncar月平均資料，分析了強（弱）季風年西北空中水汽通量及其散度場、 500hpa高度場、 u 、 v風場的演變特徵，結果表明： （ a ）西北汛期降水可分為七個氣候異常區，第一、三異常區旱澇趨勢相同。
  16. The department continues to promote flood prevention through various public education activities, such as roving exhibitions with video shows at popular shopping centres, distribution of promotional leaflets and pamphlets, media site visit and press conferences

    渠務署繼續通過各項公眾教育活動，推行防洪工作，例如在人流眾多的商場舉行巡迴展覽和播放宣傳錄影帶，派發宣傳單張和小冊子，安排傳播媒界前往工地視察，以及舉行記者招待會等。
  17. With the meteorological and hydrographic data in songhuajiang and nenjiang valley from 1951 to 1995, using correlation analysis and empirical orthogonal analysis, the rule of the flood and relation between flood and precipitation distribution in this region are discussed. the results show that periodic change of water level is obvious in this region. now water level is in the serious stage from 1980 ' s. there are great relation between the water level of flood period and the precipitation. the unusual precipitation of nenjiang valley has greater impact than that of second songhuajiang valley. at the summer in 1998, songhuajiang and nenjiang valley encountered the ghastly flood and the reason for that is the anomalous precipitation great exceeding the historic maximum

    利用松花江，嫩江流域1951 1995年期間的氣象和水文資料，採用相關分析，經驗正交分析等方法，討論了該流域洪澇發生的規律及其與流域內降水分佈的關系.文章指出，江流域的水位變化有明顯的階段性，且具有全流域一致的特性，目前正處在80年代以來洪澇較嚴重的階段;嫩江流域降水異常偏多對松花江洪澇的影響比第二松花江的作用要大; 1998年夏季，松花江，嫩江流域出現超歷史紀錄特大洪水的關鍵原因是嫩江流域6 8月的降水距平百分率遠遠超過了歷史上的的最大值
  18. The research of reservoir design flood is one of basic works in this subject. it is based on the reasons, and the actual conditions of baipenzhu reservoir are combined, the following contents are researched in this paper : 1. according to the actual conditions of baipenzhu reservoir and through the compare of parameters estimation methods, a objective and having fine statistic characteristics p - iii frequency curve distribution parameters estimation method of proximate baipenzhu reservoir is putted

    正是基於這種考慮，本論文結合白盆珠水庫的實際情況，本著理論性與實用性相結合的原則，重點研究以下內容： 1 、根據白盆珠水庫的實際情況，對各種參數估計方法進行比較，提出一種客觀、有良好統計特性、適用於白盆珠水庫的p ?型分佈參數估計方法； 2 、利用實測流量資料推求設計洪水過程； 3 、分析計算可能最大洪水（ pmf ） ； 4 、對兩種方法計算的設計洪水過程進行調洪演算，推求水庫特徵水位。
  19. Abstract : in this paper the complex load distribution acted by running flood on a typical spandrel - filled arch bridge has been analyzed and calculated, and through a simplified mechanical arch model the corresponding innersetion forces are evaluated to render the safety check on the arch spaicial resistance

    文摘:從山洪形成破壞力的特徵入手，遵循橋梁結構所必備的維持平衡穩定的自身抗力，去抵禦山洪破壞力的準則，導出了拱橋抗禦山洪的設計驗算與預測模型，以期在實踐中提供安全設計或維護對策的借鑒
  20. The distribution operations began on october 7, and although some flood devastated areas were difficult to access due to their narrow, bumpy roads, through master s guidance the distribution project was carried out successfully. items were dispensed to an estimated 1500 affected families and included food, canvas for tents and stationery and sweets for the children

    10月7日，同修開始進行物資的分發，盡管有些災區因為道路狹窄崎嶇窒礙難行，但在師父的指引下，分發的工作依然進行得十分順利，有將近1500戶受災家庭收到了食物帆布帳篷，以及送給孩童的文具等物資。
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