重力供水 的英文怎麼說
中文拼音 [zhònglìgōngshuǐ]
重力供水
英文
gravity feed- 重 : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
- 力 : 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...
- 供 : 供Ⅰ名詞1 (供品) offerings 2 (口供; 供詞) confession; deposition Ⅱ動詞1 (供奉) lay (offerin...
- 水 : 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...
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And the deficiencies are pointed out in present researches, such as highway capacity, level - of - service, influence factor of road alignments, etc. from these, it has confirmed that the thesis should be studied from rational analysis, quantitative analysis of level - of - service, impact on capacity of road alignments, setting - up simulation model, etc. the high - accuracy gps dynamic data acquisition appearance is proposed to be used for the first time to carry on the experiment of overtaking on two - lane highways, and experiment scheme is designed according to the driver ' s perceive to judge each overtaking course. based on the experiment data, it can get two important parameters of acceptant gap ? the critical gap of overtakable time headway and returnable time headway through data processing, which can offer the strong support to the research of two - lane highway capacity with qualitative and quantitative analysis. besides, the experiment methods is provided to observe overtaking ratio and to measure the
研究中首次提出了運用高精度gps動態數據採集儀對雙車道公路上的超車行為進行觀測,設計了根據駕駛員感受度來衡量超車過程的實驗方案,並通過後期數據處理得到了超車過程中兩個重要的可接受間隙參數-可超車車頭時距和可回車車頭時距的臨界間隙值,為定性和定量分析雙車道公路通行能力提供有力的數據支持;同時,還提出了觀測超車率的實驗方法以及測量加速度干擾的實驗方案,統一了計算加速度干擾的時間統計間隔,為雙車道公路的服務水平量化研究奠定基礎;最後還簡單介紹了駕駛員問卷調查法和模擬程序中模型參數標定和驗證的數據採集方法。They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem
本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports
首先,在前人研究成果的基礎上,對錨桿與圍巖的相互作用機理進行研究,利用全長錨固錨桿的中性點理論,從等效均化的角度來考慮錨桿對圍巖的加固作用,並推導了在簡單荷載作用下,含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解,對工程設計有著重要的參考意義;在數值模擬方面,以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎,利用虛功原理推導了接觸問題的有限元方程的計算格式,為開發運用大型商用有限元軟體msc . marc提供了理論根據,也形成了本文的理論基礎:最後,論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例,利用本文所述的接觸問題的摩擦模型理論,對錨桿支護結構的應力場、位移場的變化規律進行了研究,分析了加錨支護對隧洞圍巖應力、變形的影響。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給體,硝基為電子受體組合形成的分子為研究對象,在從頭計算的水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,重點研究了分子的長度、中心和給體的供電子能力對分子單、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重要的作用;在中心和受體一定的情況下,增加給體的供電子能力,可提高雙光子吸收強度。Tanks are designed for low to medium pressure applications using a gravity feed tank or pressure reduction valve
水箱的設計是為中低壓力設計的,需裝有重力自流式供水箱或卸壓閥。Nilometer is widely used in the system of automatic detection and automation in many water supply such as oil industry, chemical industry, metallurgy industry, electric power, irrigation works, reservoir, bulk plant, pumping station, towns water and so on. and it is a important tool in these fields
水位、閘位計廣泛應用於石油、化工、冶金、電力、水利、水庫、油庫、泵站、城市供水等領域的自動檢測和控制系統中,是這些領域不可缺少的一種重要工具。After we built waterpower - electricity station, we can strengthen flood - preventing ability of downstream, improve the condition of farmland irrigation and town - supplying and region environment and so on. exploitation extent of waterpower resource is an important symbol of scientific and technical advancement and economic development
建設水電站的同時,往往還可以提高下游防洪能力,提供農田灌溉和城鎮供水條件,改善區域環境等,水能資源開發利用程度,是科技進步和經濟發展的重要標志。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
目的分析寶雞市水資源開發利用中存在的問題,為今後水資源的可持續利用提供參考依據.方法從影響寶雞市水資源可持續利用的制約性因素入手,系統分析了在水資源開發利用中存在的主要問題:水資源利用率低,浪費嚴重;地下水開采過度,水位持續下降;水污染嚴重,水質明顯惡化;水資源管理體制不健全,水利工程設施老化嚴重.結果提出了相關的解決對策:全面推行節約用水,建立節水型的社會;完善水資源有償使用制度,實現水資源的產業化管理;強化水資源保護意識,嚴格控制地下水開采;加大資金投入力度,提高水利工程的調蓄防洪能力;加強水資源網路化管理,提高管理人員的專業素養.結論水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Taking into account of water level and temperature, horizontal displacement monitoring control index of typical monolith of huangtankou concrete gravity dam is determined by the improved method of probability, which can be used as a reference for dam safety monitoring
綜合考慮水位溫度對壩體位移的影響,採用改進小概率法,擬定了黃壇口重力壩壩頂水平位移監控指標,為今後一定時段內大壩安全監控提供參考。Comprehensive arrangement the location of kitchen & toilet in the house, rational division of the space of the kitchen & toilet ( eg. it is necessary to separate the dry from humid space in toilet, the clean from contaminated space in kitchen ), it is emphasized that decent space for kitchen & toilet and some flexible space is advocated in the design, the appurtenances arrangement should be coped with the human engineer, it is better to design pipe well and equipment layer to accommodate the various meters, wires and pipes. in order to save energy and water, it is recommend to use solar energy and the different quality water
本著「以人為本」的設計思想,提出適宜經濟適用住宅的整體廚衛設計思路和方法,即:綜合協調廚衛在住宅中的位置;對廚衛空間進行合理分隔(衛生間干濕分離,廚房潔污分離) ;廚衛各空間必須具有適宜的空間尺度和面積保障,並提倡具備一定的面積彈性設計;依據人體工效學原理進行廚衛部分設備的綜合布局;利用管道井、設備層綜合布局各種管線儀表;採用分質供水設計系統和太陽能供能系統,達到節水節能;注重廚衛的排煙通風設計,提高室內環境質量;考慮廚衛的適應能力,注重通用設計。Under subsurface drip irrigation, soil wetted front movement when higher soil initial moisture content was quicker than that of when it is lower, so did the supplied water pressure and soil bulk density. the wetted front movement of clay loam was clearly slow than that of sandy soil, especially in the larger soil bulk density
地下滴灌條件下,初始含水量較高的土柱,濕潤鋒運移速度快于含水量較低的;在較高的供水壓力條件下,各個方向的濕潤鋒運移都比低水頭情況下的快;容重越大的土柱濕潤鋒運移速度越緩慢。Quantity of generating electricity should be also calculated while the river inflow, quantity of water transfer and its duration curve are taken into account. as a company, it is necessary to take a series of measures to increase its benefits while water transfer leads to the decrease of hydro power inevitablly. the efficient methods can be taken into account as follows : i ) to improve the forecast accuracy, to decrease surplus water, and to increase seasonal electricity energy, ii ) to raise the peaking ability of dan jiang kou power station to obtain peaking benefits, iii ) to choose a suitable site to construct a pumped storage plant for peaking benefits
在進行以上四方面內容深入探討的基礎上,論文針對丹江口水利樞紐運行任務、運行方式的重大變化,提出漢江集團應採取以下因應措施以適應企業產業結構的調整,這些措施包括:準確計算發電效益減少值;合理地核算水源的供水成本;以上述兩項計算成果為基礎,核算企業結構調整后總效益變化量;提高預報水平,減少棄水量,爭取增發季節性電能;研究新的調度方式,提高電站調峰能力,提高電站的容量效益;在適當的地點修建抽水蓄能電站,提高電站的調峰能力。Burton suggested that an intake be established in gongguan at the base of guanyinshan, next to xindian creek. he also suggested that a purification plant be established at the same location. processed clean water was transported to the reservoir at the mountaintop using water pumps before gravity takes over, to provide for the needs of residents
稍後,英國籍水利技師巴爾頓william k . burton應總督后藤新平之邀來臺,建議在公館觀音山腳下新店溪畔設取水口,觀音山麓建凈水場,利用抽水機抽送處理過之清水至山頂蓄水池,再以重力方式自然流下供應居民。On kowloon side, the transformation was obvious, with industrial areas such as cheung sha wan, lai chi kok, sham shui po, ngau tau kok and kwun tong, setting up water supply systems to cope with the overall demand from industrial development. additionally, the public housing estates that sprang up around the periphery of industrial districts also became a focus for extending water supplies. this urban development provided a great deal of labour for industrial production
九龍半島被辟為工業區的區域如長沙灣、荔枝角、深水埔、牛頭角、觀塘等,紛紛建立供水系統,以配合整體工業發展,而在工業區周邊發展起來的公共屋村,亦同時成為供水系統擴展重點,為工業生產提供大量勞動力。Water snpply enterprise is at once faced with the competition of water supply market when national water supply estate policy is adjusting, it will even face the competition with lange - scale international water supply bloc, it will be a very severe challenge to the water supply enterprise who always stations under the planned economy management system. enterprise must renew the ideological views and the train of thoughts of operation and must think and appraise overall again about the organized system manpowerresource market price profit etc of the enterprise ; it must also know the chance and dangers which is brought from the changes of operation outside environment and must understand the superiority and inferiority of enterprise itself, then makes correct strategy sets out superiority. adjusts inferiority fixes favourable opportunity and defeats difficulty and challenge, so the enterprise and win the victory in competition and get larger and stronger
國家供水產業政策調整后,供水企業立即面臨供水市場的競爭,甚至直接與國際大型水務集團競爭,這對于長期置身於計劃管理體制之下的供水企業是一個非常嚴峻的挑戰,企業必須更新思想觀念和經營思路,對企業的組織機構、人力資源、市場、價格、利潤等各方面進行一次全面的重新思考和評價,認清企業外部經營環境變化帶來的機遇和威脅,了解企業自身的優勢和劣勢,制定正確的戰略,發揮優勢,調整劣勢,把握機遇,戰勝困難和挑戰,使企業在競爭中勝出,並實現做大做強。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,供水壓力的平衡在熱水系統設計中的重要性,分、集水器和塑料給水管在熱水系統中的運用等問題談了一些體會和看法。As the big agriculture province and the country ' s main commodity grain base, jilin province has many problems in agriculture and rural economy as following : there are severe contradictions in rural industrial structure and fanner income structure ; the supply of grains and rural labor exceeds the demand ; the development of farm product processing industry and the county economy are relatively slow ; the level of urbanization and financial income are low
吉林省作為農業大省,國家重要的商品糧基地,農業和農村經濟面臨著以下幾大問題:糧食主產區產業結構和農民收入結構「兩個不優」並存;糧食供給與農村勞動力供給「兩個過剩」並存;農產品加工業發展滯后,全省糧食主產區縣域經濟缺乏活力,財政困難,城市化水平低。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,經濟合理地進行給水管網優化設計成為降低城市給水管網建造及運行費用,提高供水企業競爭力的重要一環。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
利用給水管網中為數不多的監測點實測壓力和流量以及水廠總供水量來估計供水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重要的意義。Through analysis and study, it is believed important and feasible that the implemented projects, the importing feng jia - shan reservoir into yang mao - wan reservoir and the water supply from shi tou river to xi ' an city ; form the synthetic analysis of the main factors - quantity, time, apace and user " character, it can be conferred that it is not necessary for the four projects in the western areas to join together at present ; adding gate at the 2 head of lin jiacun trench can only help to relax the problem of lack of water in bao jixia irrigation area, to solve the problem of short of water in the irrigation area needs to take project measures at the trunk and branches of wei he river from lin jia village to the upper stream ; the mode of supplying water of the four projects in the western areas are all by gravity, they can only be supplied one way and ca n ' t be supplied each other
通過分析研究認為:已實施的引馮濟羊工程和石頭河西安供水工程,是十分必要的和可行的;從水資源配置的主要要素? ?數量、時間、空間和用戶性質的綜合分析研究來看,西部四大工程目前尚無整體聯網的必要;林家村渠首加閘對解決寶雞峽塬上灌區缺水僅能起到緩解作用,從根本上解決塬上灌區的缺水問題,還必須從林家村以上渭河干支流上採取進一步的工程措施;西部四大工程均為重力供水,只能單補,而不能互補。分享友人