irrigation main 中文意思是什麼

irrigation main 解釋
灌溉乾渠
  • 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。
  • main : adj 1 主要的，主，全，總。2 充分的，盡量的；全力的，有力的。n 1 體力，氣力；力〈僅用於 with might...
  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. In term of rational price the compensation benefit in the main stream of the yellow river mean annual is 5. 086 * 10a8 yuan. ( 4 ) with the long - liu regulated, the ning - meng irrigation guarantee rate increased from 31. 25 to 86. 25 percent, the downstream increased from 56. 25 to 80. 00 percent

    （ 4 ）黃河上游水電站調節直接保證了寧蒙灌區與下游省區的灌溉用水，經上游龍劉調節以後，寧蒙灌區灌溉年保證率由31 . 25提高到86 . 25 ：下游省區由56 . 25提高到80 . 00 。
  3. The degree of consistency change of sprinkler head and the o 8mm depression drip pipe with the change of pressure has been tested. the main conclusion of this study has been produced as follows : ( 1 ) the theory will be correct and notable benefit will be obtained through the utilization of the frequency changer in tube - well irrigation, spray irrigation and drip irrigation. ( 2 ) some energy saving effect of the frequency changer utilization in tube - well irrigation, spray irrigation and drip irrigation will be produced, 37

    本項目的研究內容主要包括變頻調速裝置在管灌、微噴以及大棚滴灌中的節能效果、變頻調速裝置對微噴和大棚滴灌均勻度的影響以及變頻調速裝置在管灌中進行「恆量變壓」變頻運行試驗等，同時，對微噴頭與中smm低壓插入式滴灌帶的灌溉均勻度隨壓力變化情況進行一r試驗研究。
  4. In the first chapter, the improvement and development of furrow irrigation technique, theory foundation of controlled alternate furrow irrigation, and related research advance at home and abroad were analyzed and elucidated, and the main problems needing to be studied further and to be solved were put forward. in the second chapter, the soil infiltrative parameters, irrigating water advancing and water redistribution in soil were studied by adopting the controlled alternative furrow irrigation in field

    根據建立的水量平衡方程，採用模式搜索技術中的爬山法，利用infiltvs分析軟體，計算得到的不同溝灌方式灌溉水流的推進過程與利用實測資料回歸分析得到的水流推進過程幾乎完全重合，預測精度很高，因此證明本文建立的模型和分析計算方法是合理可行的，完全可用於不同溝灌方式土壤入滲參數和水流推進過程的估算。
  5. The main points of hlsip quality control includes : during the design stage, it is necessary to control the scheme comparison and optimum design, esp. the waterwork, electromechanical device and irrigation region planning, to improve the design quality and pay attention to control the long - term benefits of design results ; during construction period, the supervisor should help proprietor choose construction contractor, sign the construction contract, supervise the manufacture of equipment and strictly execute the quality control procedure to subject the construction to controlled mode ; in addition, the contractors must improve their quality self - control, maintain the notion " quality first " and insist the full process, multiway, and multi system control of construction quality

    高揚程梯級提水灌溉工程質量控制的重點包括：設計階段控制好方案對比、設計優化，特別是水工建築、機電安裝、灌區規劃等多專業多目標的確定和協調，提高設計質量和深度，注重控制設計成果的長期效益；施工階段協助業主選擇好施工承包商，制定出嚴謹、完備的施工合同，搞好設備監造，嚴格執行質量控製程序，使工程施工時時處于受控狀態；同時要提高承包商的質量自控能力，堅持施工質量的全過程、多方法、多體系控制。
  6. Based on the empirical equations used for calculating the cost of main and distribution pipes of gravity sprinkler irrigation project, equations for calculating. 4. economical hydraulic gradient, pipe length and the minimum cost of the main pipe were derived through theoretical analysis and mathematical transformation

    3 .在建立的自壓噴灌工程主幹管和配水管道的造價計算經驗公式基礎上，通過理論分析和數學變換，推導得出了自壓噴灌主幹管經濟水力坡度、經濟管長和最低造價計算公式。
  7. The main issues of the research are put as following : firstly, with the international comparing of market sharing rate and trading competitive index, it was revealed that wheat in china has inferior international competitiveness with a bit rising during current years, however, which is still behind that of the main wheat export countries. secondly, after the international comparing of the main factors that affect the international competitiveness of wheat, it was discovered that chinese wheat has the obvious cost advantage on unit product, while because of the high circulation fee, it results in inferior advantage on the price ; low and unstable quality is another factor which leads to inferior wheat competitiveness ; the input of fertilizer and labor makes little impact on the productivity of chinese wheat, while the input of seeds, irrigation and machine makes a strong impact, so it should be more invested in seeds, irrigation and machine to reduce wheat ' s unit cost. the assistant industries of the wheat, such as breed, production materials and processing industries, have inferior international competitiveness and lagged development

    其次，通過對影響小麥國際競爭力的主要因素的國際比較發現：中國小麥單位產品生產成本具有明顯優勢，但由於較高的流通費用，導致在價格上不具有優勢；小麥質量較差、品質不穩定是導致中國小麥國際競爭力較低的主要因素；生產要素中化肥和勞動力投入對中國小麥生產力水平的影響程度較小，而種子、灌溉和機械投入對小麥生產力水平的的影響程度較大，因此小麥生產投入要以增加種子、灌溉和機械的投入為主，代替大量的化肥和勞動力投入，進一步降低小麥單位產品成本，增強中國小麥國際競爭力；中國小麥的上下游輔助產業（包括品種資源、生產資料和加工業）的國際競爭力較弱，發展較為滯后；中國小麥生產者的組織化程度較低嚴重製約了中國小麥質量的提高、流通費用的降低和加工業的發展；小麥生產經營活動本身的特點決定了在充分發揮市場機製作用的基礎上，必須通過政府的宏觀調控來克服其市場機制的失靈，保障市場機制有效運行，但通過國際比較研究發現：中國政府在生產者支持、市場體系建設和國際貿易政策上對小麥的支持水平較低，與提高中國小麥國際競爭力的要求有較大差距，尤其是較低的生產者支持水平和市場體系建設程度制約了中國小麥國際競爭力的提高。
  8. The present utilization and existing problems in water resource of the north of huaihe river in anhui are introduced. based on such research objects as northern guo river of bozhou, jiangtang of fuyang and key city zones, a mathematical model with systems engineering viewpoint is established and used to investigate in water resource problems in the area. the main contents are as following : ( 1 ) groundwater resource and present utilization ; ( 2 ) mensuration of calculational parameters of groundwater and calculational methods ; ( 3 ) economic parameters of irrigation areas ; ( 4 ) establishing northern wo river forecast model with finite element method, areal well - group method and water balance method ; ( 5 ) establishing optimal water resource allocating model for northern jiangtang and new cihuaixin river irrigation area and investigating in the combination of surface water and groundwater, optimal agricultural planting - mode and optimal distribution proportion of various water sources ; ( 6 ) some existing exploitation problems and advices about water resource in the area

    本論文針對淮北地區水資源開發利用現狀及存在問題，以安徽亳州渦河以北地區、阜陽姜堂鄉和重點城市區為研究對象，運用系統工程觀點，採用數學模型方法，對該區水資源問題進行了綜合研究，主要內容為： （ 1 ）地下水資源及開發利用現狀； （ 2 ）地下水計算參數測定和計算方法； （ 3 ）灌區經濟參數； （ 4 ）採用有限單元法、面狀井系法、水均衡法，建立亳州渦河以北地下水位預測模型； （ 5 ）建立阜陽姜堂及茨淮新河北部的農灌區水資源優化配置模型，應用系統分析的方法，研究地表水與地下水聯合運用，農業最優種植模式及各種水源的最佳分配比例； （ 6 ）淮北地區水資源開發利用存在問題及建議。
  9. According to the crt rule and the concrete situations of zhuolu county, the grading standards included seven main factors ( slope, soil body thickness, condition of irrigation, o. m., soil texture, salt - status, soil body configuration )

    根據crt值法則和涿鹿縣具體情況，採用特爾菲法，確定了分等因素指標集，該因素指標集包括：坡度、有效土層厚度、灌溉保證率、有機質、質地、鹽漬化、剖面構型七個主要因素。
  10. The main purpose of arid - l is to exchange information and experiences on small - scale irrigation technology and development in west and central africa

    描述:非洲中西乾旱地區小規模灌溉網的主要使命是交換非洲中西部小規模灌溉技術和發展的信息和經驗，所提供的數據和信息可供其它業內人士參考使用。
  11. Ningxia yellow river irrigation area is a big famous irrigation area in china and has over 2, 000 years history, there are 17 main canals ( 1540 km length ) and 6, 450, 000 mu area, it plays a very important role in development of ecnomic and social of ningxia autonomous region

    寧夏引黃灌區是我國著名的大型古老灌區，具有兩千多年的灌溉歷史。現有乾渠17條，長1540km ，實際灌溉面積645萬畝，是自治區經濟和社會發展的重要基礎。
  12. Based on the observation made on the main crops such as wheat, corn, cotton etc., the observed data from the limited irrigation test for three years are obtained, and then the test data are analyzed with the theory of soil moisture movement and the model of farm crop ' s evaporation is established under the condition of insufficient irrigation

    摘要通過對小麥、玉米、棉花等主要農作物的分階段受旱試驗，獲得了三年的限額灌溉試驗觀測數據；採用非充分灌溉條件下的土壤水分運動理論分析試驗數據，建立了限額灌溉條件下的作物蒸發蒸騰模型。
  13. After the observation and analysis on the uniformity coefficient of irrigation and the distribution of soil moisture under each different treatment, a result was got that 35cnrs embedded depth is comparatively appropriate for vegetable cultivation for the high uniformity coefficient and the vegetable cultivation for the high uniformity coefficient and the concentrated distribution of irrigation water in the main root zone

    通過對各處理灌水均勻度和土壤水分分佈的觀測、分析，認為滲灌管埋深35cm時對蔬菜栽培是比較合適的。此時灌水均勻度高，灌溉水大部分分佈在蔬菜主要根系區。
  14. The article analyses the reasons for the main defects such as cracks, subsidence and ablations that existes in the irrigation collocation buildings such as aqueduct, clough and water fall and puts for ward some technical processing measures

    摘要文章對深史杭灌區配套建築物渡槽、水閘、跌水等存在的裂縫、沉陷、沖蝕等主要癥害原因進行了分析，提出了相應的處理措施。
  15. 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。
  16. 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
  17. The main conclusions in this thsis are as follows : ( 1 ) that agricultural water - saving irrigation technology supplied by communities and farmers is a tendency in china

    本文的基本研究結論是： （ 1 ）中國現實條件決定了農業節水灌溉技術由社區和農戶共同提供成為一種普遍趨勢，從而使灌溉技術的經濟特性更明顯地表現出了「準公共物品」的特性。
  18. 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。
  19. For example, when the design flow of upward of the peace bridge of upward of the east - one main canal is 45m3 / s, the actual flow quantity is 23. 8m3 / s on the 30th of september in 1989, the water level of the transition region terminal of the mouth of hao wan flume of the east - one main canal had gained the design level of 4. 3m, and the level between downstream and shang tian yuan tunnel was generally higher. it says that the actual discharge capacity now is only about 24m3 / s which is half of the design value. this not only make the benefit of the irrigation district abnormal, but also greatly hinder the economic development of the irrigation district, and lead to the canal run frequently at small flow, high water level, lengthen the discharge duration

    如東一乾渠上段太平橋以上設計流量45m ~ 3 s ， 1989年9月30日實測通水流量23 . 8m ~ 3 s時，東一乾渠郝灣渡槽出口漸變段末端水位已達到設計水位4 . 3m ，其下游至上天院隧洞水位也普遍偏高，即東一乾渠上段目前僅能通過流量24m ~ 3 s左右，只有設計值的50左右，不僅使灌區效益得不到正常發揮，嚴重阻礙了灌區范圍內的經濟發展，而且使渠道經常處于小流量、高水位運行，延長了次通水時間，大大增加了渠道工程的安全管理難度。
  20. As one of the three main parts of the dujiangyan irrigation system, it controls the water that flows into the baopingkou water inlet and discharges flood and sand with its top graphical feature

    巧妙利用河道地形的泄洪排沙工程，為控制內江進水量的關鍵所在，是都江堰渠首工程三大主體之一。
分享友人
分享到 Line

分享到臉書