irrigation channel 中文意思是什麼

irrigation channel 解釋
灌溉渠
  • irrigation : n. 1. 灌溉;水利。2. 【醫學】沖洗(法),〈pl. 〉沖注洗劑。adj. -al ,-ist n. 灌溉者,水利專家。
  • channel : n 1 水路,水道,渠,溝;海峽;河床,河底。2 (柱等的)槽,凹縫;【機械工程】槽鐵,凹形鐵。3 〈比...
  1. The studying on the mechanism of beiyin main channel gliding slope heilongjiang beiyin project lies in the west of heilongjiang which lies the center of nenjiang. geographical location is east longitude 124 - 126 ? and north latitude 46 - 48 ?. aims of the project are providing water to petrol and chemical industry of daqing and living water. at the same time it is also a big comprehensive conducting water project without dam which resolves 24 irrigation regions of beiyin using water along beiyin

    黑龍江省北部引嫩工程位於黑龍江省西部,地處嫩江中游左岸的松嫩平原腹地,地理位置在東經126度128度,北緯46度48度之間。該工程以滿足大慶石油和化工生活用水為主,同時解決沿途24個分灌渠用水的綜合性大型無壩引水工程。
  2. By optimisation of plan, the writer recommends a engineering arrangement plan of water - saving reform, a old channel system reform plan, in addition irrigation area fitting and water - saving in field plan

    提出了灌區節水改造工程的建設規模和節水改造技術。通過方案優化,推薦了節水改造工程布置方案、老灌區渠系改造方案、灌區配套與田間節水工程方案。
  3. The frozen damage of slab - foundation of channel irrigation structures in the northeast of china is the most serious and includes the general characteristics of frozen damage of the channel irrigation structures

    我國凍土分佈面積極為廣闊,雖然東北地區渠系水工建築物的板基凍害最為嚴重,但也是其它地區的共性問題。
  4. The place with conditional every, infrastructure of best union irrigation and water conservancy repairs channel to dig canal introduce water the village

    凡有條件的地方,最好結合農田水利基本建設修溝挖渠將水引入村寨。
  5. Abstract : by considering the water resources, agriculture and channel system condition of different counties or zones in jinghui irrigation region, the large system decomposition - coordination model and fuzzy method were applied to study the optimal model of surface and underground water utilization the irrigation region optimal operation schemes of wet, normal and dry years were computed in comparison with the present schemes used in the irrigation regions, the result indicated that the optimal result is practical and feasible

    文摘:在考慮涇惠渠灌區各縣區水資源、農業生產、渠系工程現狀差異基礎上,利用大系統分解協調模型和模糊技術研究該灌區地表、地下水聯合優化調度模型,得出其豐、平、枯年水資源利用方案,並與現有用水方案比較分析,表明該研究結果切合實際,可操作性較好。
  6. Research on water saving irrigation benefit from channel seepage control measure

    阜新地區節水灌溉工程經濟效益分析
  7. Study on optimization model for unequal outlet flow in irrigation channel system

    灌溉渠道分水口非等流量配水優化模型研究
  8. Landslip ' s punish is one of main items in continue auxiliary projects of pishihang irrigation system, this paper discusses the govern measure of the channel landslip

    摘要滑坡的整治是淠史杭灌區續建配套工程中主要項目之一,文章對渠道滑坡治理措施進行探討。
  9. In order to measure water usage in the plain irrigation region, economic and flexible flow measure method should be chosen at the prerequisite of making good use of exiting water works. considering the reality that the irrigation devices are usually various and the exiting open - channel flow meters are costly and inflexible, the chosen field unit should be general and worth

    考慮到平原灌區中的灌溉形式和量水設施的多樣化,現有的明渠流量計通用性、靈活性差,所選擇的現場單元應具備通用、測控一體、性價比高的特點,既實現不同測流方案的流量計算,又達到控制水量的目的。
  10. The original flow rate formula of parobolic throat flume used for u - shaped channel is implicit function and is not convenient for calculation in irrigation districts. an simplified formula is developed in this paper, with a di fference between results calculated with the original formula and the new formul a being less than 0. 5 %

    用於u形渠道量水的拋物線形喉口式量水槽原流量公式為隱函數形式,針對其使用不便的現狀,通過理論分析推導出了顯函數形式的量水槽流量公式,計算結果與原流量公式比較相對誤差值0 . 5 % 。
  11. Based on the analysis of satellite images of various periods, landform data and river channel transverse section evolution in the lower yellow river, the characteristics of the river channel boundary condition changes at different location are clarified as middle flood channel flood transport width and area are evidently decreased especially for the main channel with comparison to 1950s, beach area that is unimpeded before become blocked because of road, irrigation channel constructed on it, and consequently intensify high edge of beach and lowering dyke and river

    在現場查勘的基礎上,通過對丹江口水庫和小浪底水庫攔沙初期下遊河道演變、排洪能力變化特點的對比,分析了黃河下游防洪面臨的新形勢:小浪底水庫攔沙初期,下遊河道發生沖刷,但艾山以下窄河段沖淤變化不大,近年來形成的淤積萎縮的狀況難以很快改觀,游蕩性河段調整劇烈,工程出險機遇增大,河道水位流量關系中水流量以下部分同流量水位明顯降低,中水流量以上部分水位降低幅度可能會明顯偏小,防洪形勢仍不容樂觀。
  12. Zhejiang 8 amounting to tunnel engineering limited company is alley of well of bridge of road surface of channel of pilot a ship into a harbour of water and electricity of volume road tunnel, railroad channel, irrigation works, roadbed, mine, large cubic metro of earth and stone blow up the professional construction company that construction is an organic whole, have channel highway project to always contract two class aptitude

    浙江八達隧道工程有限公司是集公路隧道、鐵路隧道、水利水電引水隧道、路基路面橋梁、礦山井巷、大型土石方爆破施工為一體的專業施工企業,擁有隧道公路工程總承包貳級資質。
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