field drainage 中文意思是什麼
field drainage
解釋
農田排水-
Experiment and research on seepage effect by underground pipe drainage system of paddy field in saline soil coastland
濱海鹽土地區稻田暗管排水效果試驗研究 -
The following are the large projects undertaking by haifeng company : crude oil electricity plant project of north china oil field hydroelectricity factory, apartment ( 22 stories ) of yuanda real estate company of dalian shipping group, helios hotel of helios group in dalian development zone, tilt aqueduct bridge of shanxi hongqi reservoir ( total span : 267m ), supply and sale building and city construction building ( both are antique architectures ) of shanxi heyang city, sea drainage pipe of hainan fudao fertilizer factory ( 1520 ), 8 oilgas docks of hainan haiyan oilgas company, basha condensable gas transfer station of haiyan company, 10, 000m3 oilgas storage tank of arco company ( usa ) in hainan nanshan, gas pipe and fuel gas installation project of hainan nanshan electricity co., ltd, base and accessory project of hainan gas company, bei da huang cereal and oil market in harerbin, hainan cross island pipe, changhuajiang river pipe crossing project, taihangshan mountain earthwork project ( the 19th section of west - to - east gas transmission project )
海南海峰公司承建大的工程項目：華北油田水電廠原油發電站工程；大連船泊集團遠達地產公司的遠達公寓（ 22層） ；大連開發區香港太陽神集團的太陽神大酒店；陜西紅旗水庫斜拉渡槽工程（全跨267m ） ；陜西合陽供銷大樓及城建大樓（均為仿古） ；海南富島化肥廠排海管線（ 1520 ） ；海南海燕油氣公司八所油氣碼頭；海燕公司白沙液化氣中轉站；海南南山美國阿科公司儲油氣萬立米大罐工程；海南南山電力股份有限公司天然氣管線及燃氣安裝工程；海南南海天然氣有限公司基地及配套工程；哈爾濱北大荒糧油批發市場；海南環島管線；昌化江穿越工程；西氣東輸十九標段，太行山土石方工程。 -
Tp is rise with high frequency of rainfall and field drainage from june to september
6 9月頻繁的降雨和水稻田排水，造成濕地水中tp濃度上升。 -
The ditches are the first pool of diffuse nutrients from rain runoff and field drainage, and are shaped to a net work in the area of the lower reaches of the changjiang river where the cultivation manner of fields are rotation of rice and wheat. now we have learnt little about the mechanisms of pollutants trasport and transformation in ditch wetlands
長江下游水稻-小麥輪種區溝渠濕地呈網路狀密集分佈，是降雨徑流和農田排水的首要匯聚地，我們對污染物在溝渠濕地中遷移轉化的機理還知之甚少，本文分析了： 1 -
The finite element analysis of 3d seepage field for surrounding rock mass of cavern groups of underground powerhouses was performed based on the nodal virtual flux method for solving the non - pressure seepage field and the improved drainage substructure technique for accurately simulating the complex seepage behaviors of densely distributed drainage holes, with emphasis placed on the seepage properties of the anti - seepage concrete curtain and drainage curtain in the anti - seepage and drainage system
摘要在求解無壓滲流場結點虛流量法的基礎上，結合可精細模擬密集排水孔復雜滲流水力行為的改進排水子結構技術，付某地下廠房廠區洞室群圍巖區三維滲流場進行了有限元求解分析，著重研究了防滲排水系統中的帷幕和排水幕的滲流特性。 -
The drainage hole in the analysis of using air element method to simulate seepage field
空氣單元法模擬滲流場分析中的排水孔 -
Compared with the reality, it shows that this model and its parameters are defined reasonablly. to analyse the arrangement of drainage system with different spacings and depths, with unsteady flow formula and benefit index, this paper gives a two - dimensional non - linear programing model for arrangement of drainage system in the barley field, which can be solved by the method of projected gradient. by this model, we make out the optimum solution of spacings and depth of pvc pipe in littoral area of changjiang river that is s = 21. 5 8m, h = l. lm
論文通過對不同埋深、間距的塑料暗管排水布局的分析，結合非穩定流公式和效益指標，提出了麥田排水暗管布局的二維非線性規劃模型，並利用梯度投影法求解，得出長江下游濱海地區塑料排水暗管埋設的最優方案為埋深h = 1 . 1m ，間距s = 21 . 58m 。 -
Through analyzing the actuality and trend of the international gis and theory of flood, the author bring forward to construct the integrated drainage system of daqing oil field
本文通過對國內外地理信息系統和治洪思想發展現狀及趨勢的分析，提出構建大慶油田完整的排水防洪系統。 -
Offers a full sports turf service incorporating playing field design, construction, drainage systems, maintenance and renovation
-生產經營籃球架及配套設備，並提供相關咨詢和設計服務 -
( 4 ) the seepage prevention structures and drainage structure is very important for the safety and stabilization of rcc dams, so their effects is discussed in this paper to the seepage field ' s characteristics of rcc dams, moreover, the seepage control schemes of rcc dam is analyzed
（ 4 ）碾壓混凝土壩的防滲與排水結構對于大壩的安全與穩定極為重要，本文研究了各種防滲與排水技術對大壩滲流場特性的影響作用，並分析了各種防滲與排水方案的特點。 -
The result shows that the drainage curtain is of high drainability under smooth drainage condition, and that the variation of the spacing between drainage holes within a certain range is of little influence on the water head distribution of the seepage field
研究表明，排水幕在排水通暢的前提下具有強大的排水能力，其排水孔間距在一定范圍內變化對滲流場水頭分佈影響不明顯。 -
A series of products made by skysea company are widely applied to industries such as severely - polluted sewage discharge in factories and businesses, sewage discharge of residential areas, civil air - defense drainage station, hospitals, farm irrigation, printing and dyeing, equipment cooling, food, environmental protection, chemical engineering, petroleum, pharmacy, mining, paper making, power plant, coal and oil processing, steel, shipbuilding, ceramics, leather manufacture, drainage system of city sewage disposal, municipal engineering and construction field. they have got a favorable reception from clients
天海系列產品被廣泛應用於工廠商業嚴重污染廢水排放、住宅區的污水排放、人防系統排水站、醫院、農田灌溉、印染、設備冷卻、食品、環保、化工、石油、制藥、采礦、造紙、電廠、污水排放、煤油加工工業、鋼鐵工業、造船工業、陶瓷工業、製革工業，以及城市污水處理廠排水系統，市政工程，建築工地等行業深受客戶好評。 -
Seepage field, seepage deformation and seepage control measures of hydraulic engineering, ground water resources, and irrigation and drainage
水工建築物、尾礦壩及灰壩的滲流場、滲透變形和滲控措施，地下水資源開發評估，農田水利，堤壩安全監測。 -
The probation of field operations ' thoracic closed drainage device on the model of a dog ' s traumatic hemopneumothorax
型多功能胸腔閉式引流系統的研製 -
Accordingly this thesis conducts research on the design and management of swimming pools from the running management of its disinfection, reasons and precautionary measures of its water quality mutation in summers and autumns and its water - saving and energy saving. through the participation of the field running management, the literature search, the actual running experience and the theoretical analysis, this thesis forwards drainage & water supply optimization rules for swimming pools. based on field investigation and research on the filtration speed improvement in pressure filters, it is pointed out that there is a wide filtration speed improvement range in pressure filters
鑒此，該課題從消毒殺菌的運行與管理、夏秋季游泳池水質突變的原因及防治措施以及運行過程中節水節能措施等三個方面對游泳池的運行管理模式進行了研究；通過參與現場管理與文獻資料的研究，結合實踐經驗，進行理論分析，提出了游泳池給水排水的優化設計原則；經現場測試，對壓力過濾器提速進行了研究，指出相對于目前規范值有較大提速潛力；討論分析設計了大型多功能游泳場館水處理間自動化控制管理系統。 -
On the basis of existing studies in the field of seepage of rock mass both at home and abroad, the present dissertation has conducted a broad study in terms of hydraulic and geometric parameters, computing model, basic seepage law, fracture drainage, rockmass " unloading mechanics and its relations with seepage. the paper is written by employing such methods as field observation, model test, theory research and numerical analysis. the main research payoffs are as follows
本文在充分認識了國內外巖體滲流研究的發展及研究現狀的基礎上，結合現場觀測、模型試驗、理論研究及數值分析等多種方法，對裂隙巖體的水力幾何參數、計算模型、基本滲流規律、裂隙排水、巖體卸荷力學及其與滲流的相互作用等多方面進行了研究，取得了如下一些主要成果。 -
Because of modis predominant space and spectral differentiate rate, it ’ s has been broadly applied to various field, in the aspect of snow monitoring, modis has been successfully using a normalized difference snow index ( ndsi ) to provide global automated binary maps of snow cover. the ndsi is a spectral ratio that takes advantage of the spectral difference of snow in short - wave infrared and visible spectral bands, although it has higher precision, it can only discern one pixel to snow or other features, can not satisfy accurate drainage basin snow cover mapping and snow parameter extracting
Modis數據因其優越的空間解析度、波譜解析度，已被廣泛的運用於各個領域，在積雪監測方面，已成功地運用歸一化差分雪蓋指數（ ndsi ）製作每天的全球雪蓋分布圖， ndsi是基於雪對可見光與近紅外波段的反射特性和反射差相對大小的一種測量方法，然而它只能將一個像元辨別為積雪或非積雪，滿足不了高精度應用要求。 -
Through the water quality analysis on the cod tp, tn in the irrigation water and drainage water in a model experimental field, the regulation and its influence on environmental water pollution by the drainage water was also studied
通過對蕭山聞堰鎮某二季晚稻試驗田灌溉用水和農田排水的逐次記錄和取樣分析，研究了農田退水中cod 、 tp 、 tn的排放量和排放濃度變化，以及農田退水對本地水環境的影響。 -
By using gis, " the flood prevention information system of daqing oil field " played an important role in the management of drainage in daqing oil field
「大慶油田防汛信息服務系統」將地理信息系統應用於大慶油田的排水管理當中，使其在大慶油田的排水防洪工作中發揮積極作用。 -
( 2 ) the method of finite element discrete and optimal parameter back analysis is adopted. ( 3 ) concentrated on the question of high external water pressure of the deep - lying tunnel, the basic theory and method calculating external water pressure are systematically studied. ( 4 ) based on jinping cascade 2 hydropower station, numerical simulation rain infiltration of seepage field under different drainage pattern and grouting pattern are studied, also, the high external water pressure is analyzed and studied and some seepage control measures are put forward
（ 2 ）採用有限元離散?優化法進行參數的反演分析； （ 3 ）針對深埋隧洞的高外水壓力問題，進一步分析和研究了襯砌水荷載及外水壓力的作用機理和計算方法； （ 4 ）以錦屏二級水電站深埋長引水隧洞作為本文的主要研究對象，採用考慮降雨入滲滲流場分析的方法對排水方案和灌漿封堵方案不同情況下的滲流場的水頭分佈進行了數值模擬，並對其外水壓力進行了分析和研究，提出了滲流控制的具體措施。
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