灌溉用水量 的英文怎麼說
中文拼音 [guàngàiyòngshuǐliáng]
灌溉用水量
英文
irrigation water capacity- 灌 : Ⅰ動詞1 (輸水澆土) irrigate 2 (倒進去; 注入) pour in; fill 3 (飲酒; 勉強他人飲酒) drink wine...
- 溉 : 動詞[書面語]1. (澆水) supply with water 2. (洗滌) cleanse; wash
- 用 : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
- 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...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 灌溉 : irrigate; irrigation; watering
- 用水量 : consumption of water
- 用水 : category:drinking water
-
Two aspects of the problem are discussed : one is that lift irrigation is no need when abstraction volume capability of canal head can meet the demand ; the other is that lift irrigation is in need when abstraction volume capability of canal head can not meet the demand
它包括兩個方面:一是當渠首可引水量能滿足灌區灌溉用水量時,則不需要提水灌溉;二是當渠首可引水量尚不能滿足灌區灌溉用水量時,則需提水灌溉來補充灌溉用水量。The soil salification is a serious problem for agriculture and environment. especially now with the development of industry, the situation of soil salification becomes more and more serious, and the quality of water is continuous worsened. research on the mechanism of salt tolerance especially in the important crops, such as wheat, is becoming more urgent than ever before
土壤鹽漬化是影響農業生產和生態環境的嚴重問題,隨著工業污染加劇,灌溉用水的質量不斷下降和化肥使用不當等原因,次生鹽堿化土壤面積有不斷加劇的趨勢,給農業生產造成重大損失;黃矮病毒病是小麥等禾本科植物的重要病害之一,其傳毒介體蚜蟲更使植物產量損失巨大。After organizing the dynamo program, simulating the sd model, it has get the result that the using dimension area of soil is 5. 72 104hm2 in the 30 years and the relation of the irrigating water volume for farmland, forest - sod land, the ecological water volume, other using water volume and the using area of soil
用dynamo語言編程,藉助于計算機模擬模型,對綠洲sd模型進行運算,求解得出額濟納綠洲未來30年土地開發規模為5 . 72 10 ~ 4hm ~ 2 ,並計算出相應農田灌溉用水量、林草灌溉用水量、生態用水量,以及各類用水量與土地開發規模的關系。An instrument of measuring irrigation water flow with higher precision has been developed by means of integrating smart ic card with turbine flow sensor, which improves the existed flow measuring technique for pumping well from the aspects of precision, sensing, capacity, data storage, safety and monitoring, and then enhances the precision of the irrigation flow measuring device from 1m ^ 3 to over 0. 01m ^ 3
摘要將渦輪流量傳感器與智能ic卡技術進行集成應用,開發出高精度的灌溉用水計量設備,從精度、傳感、容量、數據存儲、安全、監控6方面提高了現有機井量水技術,將灌溉量水設備精度由1立方公尺提高到0 . 01立方公尺以上。The first part is about the computing of crop water requirements ( or crop evapotranspiration ) and net irrigation requirements ( nir ) of ten crops in bojili irrigated district. then the traditional irrigation schedules of winter wheat and summer maize, which are the main crops in bojili, were evaluated with simulating model isareg. third, the field application efficiency in the experimental areas was evaluated from three methods
本文即是由灌區實測資料計算各種作物需水量,推求其凈灌溉需水量;然後通過模型檢驗現行作物灌溉制度是否具有合理性,並對田間灌溉系統進行評價,求其實際田間灌溉效率;最後由兩種不同灌溉制度方案的對比,確定試區合理的作物灌溉制度,在此基礎上求出各代表年的田間灌溉需水量和用水過程線。In the fourth part, the field irrigated water requirement were gotten based on the recommended irrigation schedules and irrigated areas often crops. in this paper, the reference evapotranspition et0 in three counties in bid was computed by penman - monteith method and the crop coefficients, kc of ten crops by kcisa model and the crop water requirements, etc, were computed simply by kc et0. meanwhile, four representative years by frequency analysis are gotten according to net irrigation requirements and planted areas of different crops in bojili irrigation district
本文首先採用fao最新推薦的penman - monteith方法計算灌區的參照騰發量et _ 0 ,用kcisa按照fao的計算方法推求十種作物的作物系數k _ c ;由此基礎上計算出作物需水量et _ c ,根據結果分析了不同作物的需水規律;同時用作物缺水量nir (凈灌溉需水量)進行頻率計算,求出了灌區的四個代表年,並分析了代表年年內自然水分狀況和作物缺水規律。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。China is a big agricultural country based on irrigation. the great mass of voluminous water in china is used for irrigation, thereinto mostly for canal
中國是一個以農業灌溉為主的農業大國,農業灌溉用水占總用水量的大部分,其中又以渠水灌溉為主。Among these numerous prediction methods, bp neutral network methods is considered as the best one and applied prevalently, with high precision, good effect and feasibility. so this study chose bp to predict water demand in tangshan city of the programming year of 2010 year. because the original statistic data of water resources utilizing was about resident living and factory producing, water demand with bp method was just the two
對幾種典型需水量預測方法進行評析,在眾多預測方法中選擇應用最為廣泛、預測精度高、效果好的bp神經網路法預測規劃水平年2010年城市需水量,由於原始統計數據主要城市生活和工業用水, bp預測的也只是這兩部分用水量,對于農業用水則通過灌溉用水定額和灌溉面積計算,生態環境用水則是類比調查確定。The premises of the simulation are that the runoff from upreach is 7. 8 108m3 / a and the means of economization on water is in effect. when studied it was thought firstly the water for the lake area and the living plant of the oasis, then for forest - sod irrigation and farmland irrigation
模擬計算是以上游下泄水量7 . 8 10 ~ 8m ~ 3 a為前提條件,在實行節水措施,完善供水系統的情況下,首先滿足維持和恢復一定規模湖泊面積,保證綠洲植被正常生長所需水量,然後考慮林草灌溉用水和農田灌溉用水量。With this installation, a supply of irrigation water can be proactively managed depending on usage, as compared to a fixed volume of an inland reservoir, thus consuming water in a more effective manner
化淡廠完成後,灌溉用水將可因應情況來控制供水量。跟固定容量的蓄水庫相比,用水將可更加有效率。The report says better use of water through irrigation has helped to increase grain productivity and economic growth
報告說,通過改善灌溉用水,有利於增加糧食產量和經濟增長。The irrigation problem mainly exists in using water waste, irrigation equipment aging, groundwater drawing overly, lower agriculture price and unfair in allocation
摘要農業灌溉用水占我國用水總量的70 %左右,如果解決不好灌溉問題,水問題也就得不到很好的解決。Abstract : the irrigation requirement and the available groundwater resources in the development area were assessed comprehensively. it was concluded that the groundwater resources in the area is sustainable
文摘:對雙豐農業綜合開發區的灌溉用水量和地下水可開采量進行了綜合評價,指出本開發區地下水資源可以持續開發利用。Several scenarios were formulated and analyzed in this study, the results show that, if irrigation - specific water use efficiency is not improved, water shortage in these basins will amount to 35 - 58 billion m3 in 2020, equivalent to the average annual amount of water resources in the haihe basin
多方案分析表明,如果不提高灌溉用水效率,黃淮海三流域片將缺水350 - 580億立方米,相當于海河流域片多年平均水資源量。Problems existing in the development of water resources in yin - chuan basin are : surface water, groundwater, water for city use and water for agriculture use as well as water for ecological use are not reasonably programmed, leading to the waste of water resources and occurrence of salted soil. at the same time, because of the large amount drainage of wasted water, solids and gas as well as the comprehensive use of chemical fertilizer, the groundwater was polluted in different degree, the range and extent of the pollution have a tendency to increase yearly. whether the water is used in industry or in agriculture, the waste of water is very serious, the technology of water usage is slow, and the production value of water is low
銀川盆地在水資源開發利用中所存在的主要問題是:對于地表水和地下水、城市用水和農業灌溉用水以及生態用水等缺乏合理規劃,造成了水資源的浪費以及土壤鹽漬化問題的發生;同時,由於工業「三廢」的大量排放以及農藥、化肥的廣泛使用,使地下水不同程度地污染,而且污染程度和范圍有逐年加大的趨勢;無論是農業用水還是工業用水,浪費現象都十分嚴重,用水技術落後,單方水的工農業產值相對較低。Article 20 : when building a water project or other construction project having adverse impacts on any existing irrigation water supply, source of water supply or the flow in navigation waterway, the construction unit of the project shall take remedial measures or otherwise pay compensation
第二十條興建水工程或者其他建設項目,對原有灌溉用水、供水水源或者航道水量有不利影響的,建設單位應當採取補救或者予以補償。During year 1997 - 2001, the percentage of agriculture water consumption ranged from 33 % to 48 % of total water withdrawal in hangzhou, while the paddy fields were the largest water user, accounting for more than 90 % of agriculture water withdrawal
1997 - 2001年間,農業灌溉用水佔了杭州市總用水量的33 - 48 ,而水稻用水佔了農業灌溉用水的90以上。The study demonstrates that 40 % of irrigation water can be saved under the condition of the crop output reaches 90 % of that under the sufficient irrigation ; which can provide a powerful technical support to agricultural efficient water use for the regions under the condition of water shortage
研究成果表明,在產量能達到充分灌溉條件下產量的90 %的情況下,可節約灌溉用水40 % ,能為水資源極其短缺地區的農業高效用水提供有力的技術支撐。Nearly 70 percent of all available freshwater is used for agriculture. use of water for irrigation has increased globally by more than 60 percent since 1960, according to united nation statistics
農業用水占所有可用淡水資源的近70 % 。聯合國統計表明,自1960年以來,全世界用於灌溉的水量增長了60 %以上。分享友人