重力給水 的英文怎麼說

中文拼音 [zhònggěishuǐ]
重力給水 英文
gravity feed
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : 給Ⅰ動詞1 (送對方某物; 使對方得到) give; grant 2 (用在動詞后 表示交與 付出) pass; pay 3 (叫; ...
  • : 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...
  • 重力 : [力學] gravity; force of gravity; gravity force; power of gravity; pull of gravity; gravitational...
  • 給水 : [機械工程] feedwater; water supply給水泵 feed pump; 給水量 confluent; 給水能力 capacity of water ...
  1. We have calculated one - and two - photon absorption cross sections of the lowest excited states of a series of molecules combined with benzene, stilben, thiophene as center attached with amine, diphenylamine, diethylamine as electron - donor and nitryl as electron - acceptor ; the effects of molecular length, n center and electron - donor on two - photon absorption cross sections have been studied and all calculations have been carried out using the density functional theory at an ab initio level. it is found that the molecular length and the one - photon absorption intensity are quite strongly c orrelated factors, and that a corresponding correlation for the two - photon absorption is decreasing. it is also found that a most crucial role for the two - photon absorption is played by the n center

    我們分別以苯、二苯乙烯、噻吩為中心,氨基、二苯氨基和二乙氨基為電子體,硝基為電子受體組合形成的分子為研究對象,在從頭計算的平上用密度泛函理論計算了這些分子在低激發態下的單、雙光子吸收強度,點研究了分子的長度、中心和體的供電子能對分子單、雙光子吸收的影響。研究結果表明,分子長度與單光子吸收強度之間有密切關系,而在雙光子吸收中這種關系較弱;中心在雙光子吸收中具有要的作用;在中心和受體一定的情況下,增加體的供電子能,可提高雙光子吸收強度。
  2. The paper is based on innumerable practical heavy - load road data, deliberate heavy - load standard in detail through theoretical arithmetic, and bring heavy - load standard about cement concrete pavement and asphalt concrete pavement separately ; in the meantime, through a large quantity of cement concrete pavement stress calculation, the paper puts forward relation expression between load on concrete board and stress level under board ; meanwhile, the paper puts forward traffic classification about cement concrete pavement and asphalt concrete pavement ; through bearing board testing on each structure sheaf the paper finds the material modulus gets modified ; through comparing position equivalent rebound modulus to theoretical equivalent rebound modulus, the paper points out limitation of nomograph in course of cement concrete pavement design, whereby, puts forward modifier formulas about theoretical equivalent modulus

    本文以大量的載道路資料為主,從實際出發,結合理論計算,對載標準進行了詳細的討論,分別出了泥混凝土路面與瀝青混凝土路面的載標準了;同時,通過大量的泥混凝土板底應計算,推導出了混凝土面板荷載與板底應平的關系式;出了泥混凝土路面與瀝青混凝土路面的交通分級;通過對試驗路各結構層進行承載板測試,發現現有材料模量較以前有了明顯的提高;對比現場實測的當量回彈模量與理論當量回彈模量,指出現有泥路面設計中的諾謨圖不能完全符合現有道路材料,從而提出了對理論模量的修正公式。
  3. Based on the field investigation of relationship between peasant family economy and flood disaster in dongting lake area, hunan province and the socioeconomic statistics from administrative departments and insurance companies, an analysis of family and land economy behavior shows that the fight of family against the flood is mainly constrained by its economic ability. on the one hand, land sustains the pressure from increasing family income, and on the other hand, it sustains the pressure from providing water with some space. therefore, under the condition of providing water with space to full, increasing the economic output rate of per capita land, then increasing the family economic income is of significance to solving the problem of peasant family economy and flood disaster

    通過對湖南省洞庭湖區家戶經濟與洪澇災害關系展開的野外調查,和從行政門部與保險公司獲得的有關社會經濟統計資料.案例資料,進行了農戶經濟行為與土地經濟行為的分析.結果表明.家戶對洪澇災害的抵禦能主要受其經濟能的制約,土地一方面受到來自增加家戶收入的壓,另一方面受到來自必須以一定空間的壓,所以在盡量滿足以一定空間的基礎上,努提高單位土地的產出率,從而提高家戶的經濟收入,對這一湖區的農民家庭經濟與洪澇災害問題的解決具有要意義
  4. The experiment procedure and analysis result about exteriorly extended end - plate connection with high strength bolt are introduced primarily ; each sample ' s dimension is given. the adding load equipment, measuring apparatus placed, measuring point established is detailed. adding load measure load and m - curve is produced ; the single span gabled frames horizontal displacement formula is deduced when the horizontal concentrated force is applied to it

    點介紹了外伸端板高強螺栓連接的實驗過程及實驗分析結果,介紹了各組試件的形狀尺寸、加載裝置、測量儀器安放、測點的布置等;出加載方式及測出的m -曲線;計算出試驗節點的初始剛度;推導平集中作用下單跨門式剛架考慮節點半剛性的側移計算公式。
  5. The article studied the use of rice light planting technique in two villages and towns ( dingnian, gaonan ) of jiangsu province nantong rugao, by participate method in rural improvement, through field research and statistic analysis. investigated influencing factors of peasants used new techniques under the condition of dress warmly and ear one ' s fill ; have relatively comfortable life ; have part - time job in general and foodstuff produce only as one of the sideline produce, old people and women give priority of farm labor power in economically advanced areas. search for the methods to popularizing agriculture techniques, which adapt to the economical improvement of advanced areas

    本文運用參與式農村發展研究方法,通過實地調研和統計分析,點研究江蘇省南通市如皋兩鄉鎮(丁埝、皋南) 60戶農戶稻輕型栽培技術採用情況,分析經濟發達地區農民在已解決溫飽、生活步入小康、農戶普遍兼業、糧食生產只是作為一項副業生產用來滿足自性消費,務農勞以老人和婦女為主的情況下,農戶利用新技術的影響因素,探索適應發達地區經濟社會發展的農業技術推廣方法。
  6. This paper, in the light of the special geological environment and actual project situation of the three gorges reservoir area, puts forward a comprehensive analysis and evaluation system suitable for the stability analysis of the bank landslide of the three gorges reservoir area under the premise of thorough consideration of the water influence on the stability of the bank landslide, and obtains the following achievements in several aspects that have the practical application significance and certain scientific research value : ( 1 ) it is discovered that the water activity is the primary factor of the formation of the new landslide and the revival of the ancient landslide. on the one hand, the rising underwater level reduces the actual stress of landslide ; on the other hand, the long time soaking of the underwater reduces the mechanics intensity of the landslide and the slide belt, both of which reduce directly the landslide stability ; ( 2 ) in view of the special condition of the three gorges reservoir area, this paper analyzes systematically the forces acted on the landslide of the three gorges reservoir area and the force varieties acted on the divided landslide when the water level changes between 175 meters and 145 meters. thus it is more scientific and comprehensive for the analysis of the forces acted on the landslide ; ( 3 ) this paper summaries systematically 10 kinds of typical computation projects by organic combinations of different kinds of situations in the dry season ( nature statue ), rainy season ( rainstorm or rains for a long time condition ), with 175m water level in the reservoir, during the earthquake, with the water level of the reservoir adjusted from 175m to 145m and so on, and produces

    本文針對長江三峽庫區特殊的地質環境與工程實際情況,在充分考慮對庫岸滑體穩定性影響的前提下,提出了一個適用於長江三峽庫岸滑坡體穩定性分析的綜合分析評價體系,並取得了如下幾個方面具有工程實際意義和一定科學研究價值的研究成果: ( 1 )研究結果發現,的活動是新滑坡形成或古滑坡復活的主要因素,一方面是由於地下位升高降低了滑坡體的有效應,另一方面是由於地下的長期浸泡降低滑體及滑帶的學強度,這兩方面的因素均將直接降低滑坡的穩定性; ( 2 )針對三峽庫區的特殊條件,系統分析了作用於三峽庫區滑坡體上的系和庫位在175m與145m間變化時滑體條塊的受變化,從而使對作用於滑坡體上的系分析更科學、更全面; ( 3 )通過對滑體處于旱季(天然狀態) 、雨季(暴雨或長期降雨狀態) 、 175m庫位、地震以及庫位由175m調節下降至145m等各種不同情況的有機組合,本文系統地歸納總結出了10種典型計算工況,並具體出了相應的作用荷載的計算方法,使在庫區岸坡滑體穩定性分析評價時對計算工況選擇及其作用荷載的計算更具規范性; ( 4 )具體運用c + + builder開發了關于滑坡體穩定性綜合分析評價系統,使對滑坡體穩定性分析計算更方便、更準確; ( 5 )將上述滑坡體穩定性綜合分析評價系統應用於慶市豐都縣名山滑坡穩定性分析的具體事例中,分析結果表明,本文所提出滑坡體穩定性綜合分析評價方法對三峽庫區的滑坡穩定性分析是實用可行的。
  7. In recent years, many barrages have been founded in dagu river, which greatly change the conditions of the exploitation and supply of groundwater. on the basis of calibration of mathematical model of hydrogeology, the effect of diversified factors on the variation of groundwater is analyzed using visual modflow software, the recharge capacity of rubber dam to the groundwater storage is studied and the allowable withdrawl of groundwater with the influence of manpower is calculated again

    近年來大沽河幹流及支流已增加多處攔河壩工程致使地下采補條件發生了較大變化,本文利用visualmodflow軟體分析了各種影響因素對地下動態的影響,研究了橡膠壩對地下庫的補新核算了人工影響條件下大沽河地下庫的允許開采量。
  8. Firstly, the thesis briefly reviews the history of voltage and reactive power control technology, focusing on the defects of the equipment in use. then, with the theoretical analysis and the discussion on voltage and the characteristic of power system as well as the basic principle of voltage and reactive power control, the thesis makes a research on the character of voltage and reactive power control and interprets the controlling regularity of substation. in addition, with the consideration of the changes of transformer tips and the combined influence of capacity groups and reactive power and voltage, the thesis makes adjustment suggestion to the different operating - zones of voltage and reactive power

    本文從降低網損和提高變電站自動化平著眼,對變電站電壓無功控制應用方面的問題進行了研究,本文首先簡要回顧電壓無功控制的發展概況,著指出了現有電壓無功控制裝置的缺陷;通過理論分析,在討論電系統電壓、無功調節特點以及電壓無功總體控制原則的基礎上討論了變電站電壓、無功控制特性以及控制原理,出了變電站電壓無功的控制規律;考慮了變壓器分接頭的變化及電容器組的投切對無功和電壓的綜合影響,針對電壓、無功的各種運行控制區域出了相應調節策略。
  9. This article metabolism with abundant natural essence of vc, beautiful and white complexing agent, red didn ' t medicine alcohol, india the essence etc., the energy availability improvement skin sensitive state, the potentiation, enhancement skin resistibility, at the same time supply a great deal of of aqua and nourishments, the accelerate cell, soft slippery skin of beautiful leuco - of deep layer, the basic improvement facial expression paralysis huang, obscure blind state, it make the skin re - appear the brilliance

    成份:本品含豐富的天然維c精華,美白復合劑、紅沒藥醇、天竺葵精華等,能有效改善皮膚敏感狀態,增強皮膚抵抗,同時供大量的份和營養,促進細胞的新陳代謝,深層美白柔滑肌膚,根本改善臉色痿黃、暗淡無光的狀態,令肌膚現光彩。
  10. As long as crude oils are produced offshore and transported across the seas by ships or pipelines, there is a risk of oil spills with the potential to cause significant environmental damage. the " exxon valdez " incident in alaska, and other oil spills in recent years, have demonstrated high risk and damage to the local economics and environment caused by oil pollution

    隨著對海洋石油資源的大開發和全球海上石油運輸量的持續增長,溢油事故發生的頻率越來越高,溢油規模也越來越大,溢油事故的發生,不但當地漁業、產養殖業、旅遊業等造成經濟損失,也嚴損害了海洋以及海岸的自然環境和生態環境。
  11. Through the physical model experiment, the wave forces over submerged dyke and transmission coefficient are analyzed under the action of regular wave. in the test of wave forces, the rectangle - type submerged dyke is used as research object, and when analyzing the total wave forces, the effect of water depth before the dyke and that of the wave parameters is considered. based on the test, through the methods of multi - element linear regression, experimental formulae are given to calculate maximum total wave forces in horizontal direction, its relative vertical wave forces and maximum wave forces before and after the dyke, which are compared with the present formulae

    在潛堤波的研究中,選取矩型潛堤作為研究對象,在分析各個影響因素對潛堤波影響的基礎上,選取兩個最主要的影響因素,即相對波高和相對深作為研究點,在物理模型試驗結果的基礎上,定性地研究分析了潛堤所受的總波隨相對波高和相對深的變化規律,並在此基礎上,利用多元線性回歸的方法,分別出了在本文試驗條件下計算潛堤最大平總波及其相對應的垂向總波的經驗公式以及計算堤前堤后最大總波的經驗公式,並與已存在的計算公式進行了對比。
  12. 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,農村剩餘勞動的蓄池,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;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,並出了評價過程和方法。
  13. Based on the perturbation riccati transfer matrix method, the calculating program are developed. the program can be used to the perturbation analysis and the sensitivity analysis of the real and complex, the single and repeated eigenvalues and eigenvectors for lateral vibration of rod and beam structures, especially suitable to the perturbation analysis and the sensitivity analysis of eigenvalues and eigenvectors for rotordynamic systems ; 2. the perturbation riccati transfer matrix method was applied to identify the parameters of the rotor for a boiler supply pump, and the accurate dynamic model of the rotor was archived

    該程序可以對桿、梁結構橫向彎曲振動的實數、復數的孤立和頻特徵值問題進行攝動分析和靈敏度分析,特別是適合於轉子動學系統特徵值和特徵向量問題的攝動分析和靈敏度分析; 2 、用攝動riccati傳遞矩陣方法解決了某電站鍋爐泵轉子的參數識別及動模型修改的問題,並出了該種型號的泵轉子的更準確的學模型,為進一步的轉子動學分析與設計奠定了可靠基礎; 3 、出了攝動理論在相關領域如隨機特徵值分析、隨機振動響應分析、可靠性分析、靈敏度分析、優化設計以及參數識別中的應用公式。
  14. Abstract : the authors researched existing water distribution control systems and are willing to emphasize that ( 1 ) the progress of water industry might be obstructed if the foregoing big system is still used to considerate, because the water supply system has already became a complicated engineering being, and ( 2 ) it is most important to the technical progress of water supply if more attentions have to be paid to study the complexities of the water supply engineering and the effect to it of the existing water system control

    文摘:對現行控制進行研究,圖說明:系統是一個復雜的工程存在,在工業思想已經提出的今天,再沿用以往的大系統觀將有礙於工業工程技術的進步;視並研究工程的復雜性及其對現行工程式控制制模式的影響,對工程科技進步至關要。
  15. Here one can admire the river terraces, eroded caves, the stratum surface, the table mountain terrain, crumbling cliffs, while places like qingshuiguan, the old ferry crossings, the ancient trees and the old paths along the yellow river give the ancient qingling mountain cliffs a human touch

    這里可欣賞河流階地,側蝕洞穴,地層剖面,方山地貌,崩塌地貌… …清關,古渡口,古樹落,黃河古道又遠古清冷的山崖增添了人文氣息。
  16. Under the influences of random variabilities, during both construction period and operation period, the temperature field within a gravity dam body could be regarded as a random one. in this paper, stochastic finite element methods are suggested to deal with the random temperature field. by use of the suggested methods, the influences of random environmental and random hydration heat of concrete and the initial temperature of concrete as well as the thermal parameters of both concrete and rock foundation are all taken into account. according to a scheduled time table of construction, random temperature fields of a typical concrete gravity dam within both the construction period and the operation period are calculated by emulation the layer constructing of the dam. some useful conclusions are obtained from the computational results

    由於施工期和運行期各種隨機因素的影響,使壩溫度場成為隨機.本文綜合考慮了環境溫度(包括氣溫和庫溫度) 、混凝土絕熱溫升、入倉溫度以及混凝土和基巖的熱學參數隨機性的影響,基於隨機有限元法,出了壩隨機溫度場的計算方法,對一典型壩按定的施工進度模擬分層澆築施工過程,對施工期及運行期前期的隨機溫度場進行了計算,並得出了一些有益的結論
  17. Some personal experiences and opinions such as the market - guided effect on the design, the importance of the delivery pressure balancing in hot water system design and the application of water gathering and distributing devices and plastic pipes in hot water system are described

    對市場導向對設計的影響,供的平衡在熱系統設計中的要性,分、集器和塑料管在熱系統中的運用等問題談了一些體會和看法。
  18. We establish a gravitational coagulant addition system which core is establishing mathematical model on the basis of the actuality of water works in different country, and we successfully resolved the problem that the ordinary coagulant addition systom is always irreliable. the gravitational coagulant addition system which can be used in different water works is economical and reliable. we analyze several factors which influence the addition quantity of coagulant

    本文在分析研究國內外有關處理廠的投藥系統的現狀的基礎上,結合我國的實際情況,提出了以數學模型為核心的處理廠的投藥方式,成功的解決了長期困惑處理廠的投藥系統運行不可靠的難題,系統建設既經濟又可靠,適合於大、中、小型處理廠,具有較強的應用空間。
  19. Therefore, it is essential to optimize the water network for reducing the paving and operation cost and for improving the competence of water utilities

    因此,經濟合理地進行管網優化設計成為降低城市管網建造及運行費用,提高供企業競爭要一環。
  20. It is very important to estimate the state of water supply network for reconstruction or extending networks, for daily management and even for optimal control of the networks in this paper, all nodes of the water network with the similar regularity of water pressure varying are classified to one group by fuzzy clustering

    利用管網中為數不多的監測點實測壓和流量以及廠總供量來估計供管網工作狀態的全貌,對管網改擴建、日常管理乃至優化調度有著要的意義。
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