蓄量方程 的英文怎麼說
中文拼音 [xùliángfāngchéng]
蓄量方程
英文
storage equation- 蓄 : 動詞1. (儲存; 積蓄) store up; save up 2. (留著而不剃掉) grow 3. (心裏藏著) entertain (ideas); harbour
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 程 : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
-
Macro - economic condition : gray forecast method and econometrics models are used in studying the relationship between macro - economic condition and the demand of auto car. the relationship of the demand to per capita gdp, annual per capita disposable income of urban residences, balance of savings deposit of rural and urban residents is studied quantitatively. the article proves that the three factors listed above have linear relationship with auto car demand
在宏觀經濟環境方面,運用灰色預測的方法和經濟計量模型對人均gdp 、人均可支配收入、居民年底儲蓄余額與轎車需求量的關系進行了定量研究,說明這三個因素與轎車需求之間存在著線性關系並且相關程度很高,其中居民年底儲蓄余額對轎車需求增長的促進作用最大。This paper presents a method that chopping wave is done by switch devices which consist of three - level resistance regulating module and intelligence power module ipm, and which realizes constant - current discharge of storage battery. to achieve the intelligence control of the drive protection and the discharge process of ipm, the paper designs circuit formed by igbt threshold drive pulse pwm signals. ipm fault - blocking protection circuit and microcomputer 80c196. the devices can accurately control the 0 ~ 150a discharge current and the discharge time of the storage battery and calculate the releasing power
實現蓄電池恆流放電過程智能控制是蓄電池放電裝置發展的必然趨,本文提出了一種通過三極電阻調節模塊和由智能功率模塊ipm為開關器件進行斬波從而實現蓄電池恆流放電的方法。為達到對ipm的驅動保護和放電過程的智能控制,文中設計了igbt門極驅動脈沖pwm信號形成電路和ipm故障封鎖保護電路及由單片機80c196為核心的微機控制器。本裝置能夠對蓄電池進行0 150a放電電流及放電時間的精確控制及釋放容量的計算。The primary representations of the vulnerabilities of water resource in hengyang basin where is a typical hilly region with red and purple soils in south china are analyzed : the precipitation re source varies greatly in spatial and temporal distribution ; the soils and rock property are not in favor of water and soil conserving ; the structure of crops needs a high water consumption ; and the farm irrigation works are timeworn and frangible
摘要以中國南方典型的紅壤和紫色土丘陵區衡陽盆地為例,分析論述了衡陽盆地地表水資源脆弱性主要表現在:降水資源時空分佈不均勻;不利於水土保持的地表物質組成和植被覆蓋;耗水量大的農業種植結構以及調蓄水功能弱的農田水利工程體系等方面。According to the engineering practice, the theoretical basis and method that survey directly the horizontal distance and height difference by the total station system as fourth grade and below fourth grade control network are put forward instead of surveying slant distance and zenith distance
摘要根據工程實踐,提出了用全站儀直接測量平距、高差來代替測斜距、天頂距作四等及四等以下控制網測量的理論依據和方法,並以張河灣抽水蓄能電站施工控制網為例進行了比較計算。For studying the regulation rules of the sediment of the second phase project, and studying the reservoir capacity loss caused by deposition, the amount of sediment passing through the turbines, and the deposition and flow regime near the intake of the pump - turbines, the deposition of the reservoir was studied
為了研究蒲石河抽水蓄能電站二期工程泥沙調度方案,對多個方案的水庫淤積損失、過機沙量、取水口附近的泥沙淤積和水流流態,進行了水庫沖淤研究。It is difficult to be settled by classical theories because of fixed quality and quantity. this thesis bases on the improvement of traditional way, overcomes its i ack experience, takes the more advanced fuzzy decision - making and optimal selection theory, researches into the established model and gets the result that it ' s best to set pangtoupao storage and detention flood area on the left side of menjiang river by comparing the four schemes and ten objectives of fixed quality and quantity. the result holds identical views with the result of usual economic evaluation. so it ' s the first time using fuzzy decision - making and optimal selection theory to resolve the important and pragmatic problem comprehensively and scientifically
本文在總結用傳統的方法研究經驗與不足的基礎上,採用目前較先進的模糊優化理論及建立起的模型進行蓄滯洪區設置及規模研究,通過對嫩江四個蓄滯洪區方案, 10個定性定量目標的優化比選,得出在嫩江左岸設置胖頭泡蓄滯洪區最優,其優選結果與採用常用經濟評價方法所得結果基本一致,從而第一次用模糊優化理論較全面科學地解決松花江流域防洪工程中確定蓄滯洪區規模這一重大實際問題。On the basis of the study of the theory and appraise method on land use in the small towns from home and abroad, this paper at first conducts a deep study on the development and role of the small towns, indicating that its development has sawn an uneven development phrase and becomes a carrier of the enterprises, a pool of surplus laborers, a hub of material exchanges between the rural and urban areas, a base of spiritual civilization, an important way to achieve urbanization. second, it conducts a study on the situation and features and the problems the land use, indicating that the efficiency of the land use is low, which has a direct influence on the development of agriculture and the role of the small towns. and the study of the demand of the land indicates the shortage of land is serious, and the small town must rationally use the land and increases its intensive role and the economical efficiency to meet the demand
在分析國內外已有關于小城鎮土地利用的理論與評價方法的基礎上,首先對小城鎮在我國的發展、地位和作用進行了深入的分析,判明我國小城鎮發展經歷了一個曲折向上的發展階段,已成為鄉鎮企業的載體,農村剩餘勞動力的蓄水池,城鄉物資交流的樞紐,農村精神文明的基地,是我國城市化的重要途徑;其次,對小城鎮土地資源利用現狀和特徵進行了探討,並對發展小城鎮建設導致的土地利用問題進行了剖析,表明目前我國大多數小城鎮土地效益和規模效益低下,佔用耕地過多,直接影響農業的發展,影響小城鎮的地位和作用;通過小城鎮土地供需分析研究表明,我國土地短缺十分嚴峻,小城鎮土地需求缺口較大,小城鎮必須合理利用現有土地,增強集約功能和土地經濟效益,從而緩解需求壓力;最後,論文通過運用特爾菲法,描述統計分析法、多元統計分析(主成分分析)法和系統分析法中的層次分析法( ahp )等一系列方法,結合定性和定量兩方面,從土地質量、土地資源數量與結構、土地經濟效益、環境效益、社會效益等五個方面進行分析,篩選、建立了土地資源利用評價指標體系,在因子評價的基礎上,建立了土地利用綜合評價模型,並給出了評價過程和方法。And we have got the following result : 1. the technique of storing water in soil in gneiss area of tai - hang mountain : the more water in soil before rain is, the less water capability of soil is, the time shorter of water flowing from soil is, the easier the water flows on the ground ; the soil capability of reserving water of different soil thickness is terrace > acacia land > pine land > grass land, so the soil is more thick, the soil capacity which contains water is more large ; the accumulated water that flows on the ground is remarkable related with the logarithms of rain time
太行山片麻巖區土壤蓄水規律:雨前土壤含水量越高,土壤可蓄水量越小,出流所需時間越短,容易形成地表徑流;不同土層厚度的土壤蓄水量為:梯田刺槐林地油松林地草地;累積地表徑流量與降雨時間的對數呈顯著正相關,擬合方程為w = a + blnt ,相關系數均大於0 . 92 ,即在降雨強度一定的前提下,降雨時間越長,累計地表徑流量越多。Based on the observation data obtained from 69 sampling sites of different age class forests, and by using biomass expansion factor function, the regression equations of stand biomass and volume of the main forest forests in pearl river delta were built, and the regional forest biomass and its dynamics were estimated on the basis of forest inventory data
摘要利用生物量轉換因子連續函數法,通過69組不同齡級的森林樣地實測數據,擬合了珠江三角洲主要森林類型的生物量和蓄積量之間的回歸方程,並結合3個時段森林清查資料,估算了區域森林生物量及其動態。The construction techniques and mechanics are approaching or even reaching the international advanced level in the asphalt concrete impervious deck of the recent completed tianhuangping pumped - storage hydroplant and the counter dam in the yangtze river which is being built with the height of 104 m, the volume of asphalt concrete core of 5x104m3
最近建成的天荒坪抽水蓄能電站上庫瀝青混凝土防滲面板和正在建設的壩高104m 、瀝青混凝土心墻方量達5萬多m ~ 3的長江三峽水利樞紐茅坪溪防護壩工程,施工工藝和施工機械化程度已達到或接近國際先進水平。( 2 ) a series of experiments on time scale distortion are made with real river model, inflow and outflow boundary condition, and continuous simulation. by means of analysis of the experimental data on model water level, water - surface gradient, cross velocity, outflow discharge process and the sediment transportation capacity, the main physical reasons for the above hydraulic parameters deviations caused by time scale distortion are illustrated : response delay of model channel storage capacity and rate of water level with time
( 2 )採用真實的河工模型和入出流邊界控制條件以及連續模擬的方法進行了有關時間變態率的系列試驗,通過模型水位、比降、流速、出口流量過程線和斷面挾沙力試驗資料的分析,闡明了時間變態引起上述各種水力參數偏離的主要物理原因:模型的槽蓄響應和洪水過程時間變化率的響應滯后。Based on the project scale argumentation of letan hydropower station, the paper briefly introduces the main results of scheme ' s technical & economical comparison and the main factors of scheme option in the option and design stage of the normal storage water level and installed capacity, as well as the evaluating opinions given by the specialist group of project proposal evaluating committee ; the main technical characteristics for similar project scale argumentation are summarized up according to the project scale design argumentation of letan hydropower station
摘要通過樂灘水電站工程規模論證,簡述該工程正常蓄水位選擇和裝機容量選擇設計階段方案技術經濟比較的主要成果、取捨方案的主要因素、以及項目建議書評估會專家組的評估意見;並根據樂灘水電站工程規模設計論證總結類似工程規模論證時的主要技術要點。( 6 ) conclusion was obtained by the analyzing the mechanics environment and the stability of the lanslide on the right bank after the dam built : the value of the rock mass stress increased and the tensile stress region obviously reduced, the direction of the principal stress was unchangeable the dam and the landslide were stable under the dangerous condition ( the reservoir and at the same time the earthquake was viii ), but when the water lever suddenly fell and did not think of other force, safe factor evidently reduced, the dam and the landslide will be destroyed under the most dangerous condition ( the water lever suddenly fell and at the same time the earthquake was vi ) ; the stability of the landslide will be destroyed by the horizontal thrust under the most dangerous condition or ; the physical and mechanical parameter will be reduced due to long period filter, the landslide will be destroyed too
( 6 )建壩工程荷載條件下河谷巖體力學環境分析及右岸古滑坡體的穩定問題分析得出:建壩后河谷的巖體應力量值明顯增高,同時左岸的張應力區的范圍及量值明顯減小,主應力的方向依然與模型的底邊界垂直;大壩建成后逐漸蓄水階段以及同時考慮本區最強地震力的作用等各種不同的工況條件時,滑坡體及壩體總體上仍處于穩定狀態;水位驟降時,在未考慮其他外力作用的情況時,滑體的安全系數將顯著降低。若考慮水位驟降及本區最大地震力的共同作用,壩體將在滑坡體下滑推力的作用下產生破壞;建壩后水平推力對右岸古滑坡體穩定性的影響分析可以看出,在最危險的工況條件下,壩體及滑坡體也將處于臨界狀態;在長期滲透變形的作用下,由於滑帶的物理力學參數的降低而有可能導致壩體失穩破壞。Qualitative analysis on the effect of flood control and engineering safety -, seizing lots of water conservancy effective adjust storage. then making water level risen and reservoir backwater enlarged in the same flow level ? effect on beach and the buildings across river, soil salinization caused by flow from a lower to a higher place and unsmooth groundwater drainage destroy of travel resource caused by disorder enclose tideland for cultivation in reservoir silt up flood plain are given, then presents enclose tideland for cultivation dyke is important cause which water level rise in reservoir
本文從青銅峽水庫泥沙淤積入手,分析水庫泥沙淤積特性和庫區圍墾堤開發利用淤積灘地的現狀,對防洪安全及工程安全的影響、侵佔大量的有效調蓄庫容、造成同級流量下水庫水位抬升水庫回水上延、對沿岸及過河建築構成影響、因水位抬升致使庫區周邊灌區地下水排水不暢乃至倒灌而造成土地鹽堿化、對水庫庫區大量淤積灘地無序圍墾造成旅遊資源破壞等五方面影響的定性分析,提出庫區圍墾堤是水庫水位抬升的重要原因。When the paper uses the optimization regulation, it divides the management time into " t " stages according to ten days to make up the decision having many stages of the reservoir ' s optimization regulation, and it takes the reservoir ' s retain quantity of water or retain status of water and confiscated quantity of water a s condition variable, takes the water quantity of drawing off or quantity of electricity as decision variable. when the confiscated quantity of water can be known or be forecasted in every stage during the period of management, that is to say the confiscated water process can adopt the determined process, we can make up determine dynamic plan model with many stages and take the minimal lacking water as objective function
在動態規劃方法中把水庫的整個調度期,按句劃分為t個時段,以水庫的蓄水量s或蓄水位z和入庫水量q作為狀態變量,以水庫放水量q或電站出力n或發電量e作為決策變量,構成一個多階段決策過程,當計劃調度期內各時段的入庫徑流量已知或可以預報,即入庫徑流過程可以採用確定性徑流過程時,分別按缺水量d最小作為目標函數建立多階段確定性動態規劃數學模型。Abstract : by using the 3 - d unsteady state heat transfer equation, the heat convection and radiation between the checker and the gas which flows through the checker holes, and the heat conduction among the checker in the chamber of the hot blast stove were studied. the time dependable gas temperature and the temperature distributions within the checker were obtained
文摘:應用三維非穩態熱量傳輸方程,對高爐熱風爐在燃燒過程中蓄熱室內格子磚與氣體之間的對流和輻射傳熱,以及格子磚內部的導熱過程進行了耦合求解.得到了在燃燒期內格子磚及燃燒過程中燃燒廢氣的溫度分佈情況及其隨時間的變化規律This paper states the situation of our countrys solar energy utilization, indicates the background and possibility of solar energy heat pump utilization, and gives the energy balnce equation of instruments in this system in view of typical solar energy heat pump system
針對我國太陽能的利用情況,指出利用太陽能熱泵的背景與可能性,並針對典型太陽能熱泵系統,給出此系統各設備(包括集熱器、蒸發器、冷凝器和蓄熱器)的能量平衡方程,分析了太陽能熱泵系統的供熱性能系數。Gives a procedure for predicting the freezing probability under nonlinear cooling conditions and by combining that with the simulation model of rectangular containers, obtains quantitative results of the impacts of the additive on ice storage
給出了非勻速冷卻條件下結冰概率的計算方法,並將其與板單元蓄冰裝置的數學模型相結合進行數值求解,定量地預測了加入成核添加劑對蓄冰過程的影響。According to two - dimension flow continuity, momentum equations, suspended sand diffusion equations and two - phase flow bed sand motion equations, hydraulic - dynamics sediment accumulation mathematical model between two impounding dams was set up by adopting the methods of weighting and concentrating masses
根據二維水流連續、運動方程、懸沙擴散方程和兩相流底沙運動方程,採用加權集中質量剖分方法,建立了蓄水兩壩間水動力、泥沙淤積數學模型。According to the calibration results, two regression equations were obtained between the soil moisture tension and the voltage of watermark sensor
另一方面,本文于休耕水田進行蓄水實驗,以量測蓄水過程之土壤水份張力值變化。分享友人