需水灌溉 的英文怎麼說
中文拼音 [xūshuǐguàngài]
需水灌溉
英文
demand irrigation- 需 : Ⅰ動詞(需要) need; want; require Ⅱ名詞1. (需用的東西) necessaries; needs 2. (姓氏) a surname
- 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...
- 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
- 灌溉 : irrigate; irrigation; watering
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The region is flat and dry requiring a large irrigation network to provide water to its citrus grooves.
該地區平坦而乾燥,需要很大的灌溉網給該地區的柑桔樹林供水。Know how much water is needed to refill the root zone during irrigation and plan fertigation accordingly
要了解在灌溉時灌滿根區需要多少水,並據此來制定灌溉施肥計劃。In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions
本文從試驗及試驗資料入手,取得以下主要成果和結論:對鹽堿地水稻節水灌溉技術進行優化研究,系統地分析了不同節水灌溉技術對水稻生理指標及產量的影響,採用了多目標模糊優化的方法,對灌水技術進行綜合評判,優選了節水灌溉技術,論證該地區宜採用水稻控制灌溉技術;闡述控灌技術通過調節和控制水稻的需水規律,降低水稻高產情況下的無效水量消耗,從水稻生理、生態節水兩方面分析了控灌技術節水機理,針對性地總結出水稻各生育期實施節水控灌技術的步驟及技術要點;通過控灌與淹灌的定量對照比較,從根系、莖蘗、冠層葉片及綠葉動態到株高,土壤水分變化,抗病蟲害、抗倒伏能力,稻田土溫變化,產量構成因素及稻米品質等諸多方面進行動態比較,分析控灌技術高產優質機理;在鹽堿稻地採用控制灌溉+間歇淋洗模式,跟蹤測試田間水鹽變化狀況,驗證控制灌溉技術在鹽堿地區水稻灌溉中應用的適應性,通過分析水稻控制灌溉淋洗條件下水稻生理生態指標,提出優化控制灌溉+間歇淋洗組合模式,為進一步在高礦化度地區試驗水稻控灌技術奠定基礎。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。As they were situated directly in the proposed reservoir site, they were resettled in tai long wan, a western coastal area of lantau island and a resettlement area in tsuen wan. others, whose land was included as part of the catchment area, or affected by the construction of the catchwaters, faced a different situation. among them, the residents of pui o including lo wei village and sun wei village, ham tin, law uk, san shek wan, upper cheung sha and lower cheung sha village, tong fuk and shui hou village suffered from disturbance to their natural water supply
一些被興建引水道影響或被辟為集水區的村落,如貝澳老圍村、新圍村、咸田村、羅屋村、散石灣、長沙上村、長沙下村、塘福村及水口村,原來流經村落的河流及地下水源,因主要水流被引水道堵截,農田無足夠水灌溉,早造開耕嚴重不足,居民須往他鄉運水,以應付日常生活急需及維持灌田。In spac, it is the plant that should be optimum indicator for irrigation control, because the soil factor and air factor, which control the balance of water in crops, can but be integrated by plant
而在土壤?植物?大氣連續體(簡稱spac )中,植物才應該是是否需要灌溉的最優指示物,因為只有它們才能把控制植物水分平衡的土壤因子和大氣因子綜合起來。This dissertation describes the studying of the whole construction of water - saving irrigation expert control system, the realization of hardware and software and low - cost soil - moisture sensor which is needed for water - saving irrigation. the distributed control system based on bus. according to real - time data of soil - moisture, water - level of sump, pressure of tube, etc. and irrigation knowledge in expert knowledge bases, it can make decisions such as when to irrigation, the water quantity to irrigation and the cost and benefit of the irrigation
本文對節水灌溉專家控制系統的總體結構、軟硬體實現以及節水灌溉急需的低成本土壤水分傳感器進行了研究,系統採用了基於總線的分散式控制結構,根據實時檢測的土壤水分、水槽水位、管道壓力等實時參數,知識庫的作物灌溉知識,分析決策灌水時間、灌水量、灌溉成本及灌溉效益。I was convinced that drip irrigation could be tailored to the needs of subsistence farmers
我深信滴水灌溉是最切合自耕農需要的方法。The characteristics of water requirement and water - saving irrigation indices of dry - raised rice seedlings in paddy field
水稻旱秧大田期需水特性與節水灌溉指標研究Abstract : in this paper, the major problems in water resources, flood and drought, and water environment in china are analysed, and new subjects of study on hydrology are pointed out, including the uncertainty of hydrological phenomena, the effect of human activities on hydrology, the calculation of water level frequency, the optimum effcet of water resource development and utilization, the analysis of water supply and demand, the mechanism of water - saving agricultural irrigation, flood and drought prevention, etc
文摘:從水資源開發利用與保護、水旱災害防治等方面論述中國當前存在的主要水問題:水危機和水浪費同時存在、水污染日趨嚴重、防洪減災任重道遠、生態環境破壞嚴重、全球氣候變暖產生不利影響;進而論述水文學研究面臨的新課題:水文現象的不確定性、人類活動對水文的影響、水位頻率計算、水資源開發利用的最佳效應、水資源供需分析、農業節水灌溉機理及水旱災害的防治,並指出必須加強對這些新課題的研究Sparedescription : in this paper, the major problems in water resources, flood and drought, and water environment in china are analysed, and new subjects of study on hydrology are pointed out, including the uncertainty of hydrological phenomena, the effect of human activities on hydrology, the calculation of water level frequency, the optimum effcet of water resource development and utilization, the analysis of water supply and demand, the mechanism of water - saving agricultural irrigation, flood and drought prevention, etc
描述:從水資源開發利用與保護、水旱災害防治等方面論述中國當前存在的主要水問題:水危機和水浪費同時存在、水污染日趨嚴重、防洪減災任重道遠、生態環境破壞嚴重、全球氣候變暖產生不利影響;進而論述水文學研究面臨的新課題:水文現象的不確定性、人類活動對水文的影響、水位頻率計算、水資源開發利用的最佳效應、水資源供需分析、農業節水灌溉機理及水旱災害的防治,並指出必須加強對這些新課題的研究It focuses on designing and selling complete systems of ductile cast - iron pipes for drinking water, irrigation, wastewater drainage and rainwater drainage ; pipe systems for industrial general circuits ; pipe systems for fire prevention ; full ranges of valves, sprinklers and connectors for water and purification systems ; fire prevention and irrigation devices ; complete cast - iron pipe systems for building industry wastewater and rainwater drainage ; and roadworks components made of steel and ductile cast iron and steel for accessing pipe systems water supply, wastewater drainage and telecommunications
其主要業務是設計並銷售全套球墨鑄鐵管道系統,用於飲用水,灌溉,廢水排放,雨水排放工業,工業水系統,消防管網系統,水及凈水系統所需各類管件及高壓介面,消防及灌溉用各類管件,建築工業用管道系統系列廢水及雨水排放,道路工程用各類配件井蓋等。In this passage, author has studied the quota of irrigation that can make water used economically for various plants, if the irrigation quota can be lowered from 6795 m3 / a to 4500 m3 / a during the processes of irrigation, there will be a saving water amount of 3. 386million m3 / a, in shiyang river basin. there is no doubt that we can open the second source of river water that can provide the possibility of transporting 300 million m3 / a water amount to lower reaches of the river. in this paper, there are some analysis and prospects for the future situation of supply and demand of water resources in 2010
民勤水資源減少的主要原因是人為因素,如全流域人口增加、中上游耕地面積擴大,用水量增加,造成灌區重心上移;沒有樹立可持續發展觀,在經濟中搞短期行為;對石羊河流入民勤水量不斷減少、地表水、地下水轉化活躍、生態用水問題突出等方面進行了分析論證;對目前開發利用現狀、供需狀況進行了較為詳細的計算和評價;通過對各種農作物節水灌溉定額的研究,若從現狀灌溉定額6795m ~ 3 ha降低到4500m ~ 3 ha實施灌溉,石羊河流域將節水3 . 3867億m ~ 3 ,這無疑于開辟了第二水源,提供了向下游調水3億m ~ 3的可能性。Consequently, in order to promote the application of water - saving irrigation technology. it is essential that ( 1 ) to strengthen farmers " participation in irrigation technology construction and management ; ( 2 ) to introduce credit means and scientific research of high technology and low cost ; ( 3 ) to carry out policy of adjustment of agricultural water price and product structure accordingly ; ( 4 ) to form system of water - saving irrigation technology according to water resource reserves and farmers " economical endurance in different areas
為此,提出以下促進中國農業節水灌溉技術應用的政策建議: ( 1 )加強灌溉工程建設和管理中的農戶參與。 ( 2 )運用信貸手段和加強高科技含量、低成本的節水技術的科研投入等政府政府支持政策來激勵農產的技術需求。 ( 3 )實行灌溉水價的結構性調整和農業生產結構調整相結合的策略,以便增強農戶技術改造的積累能力; ( 4 )依據農業資源的地區性差異和農戶的經濟承受能力,分區域構建節水灌溉技術體系。In the irrigation works, the plastics pipe is used in many areas. with the development of technology of low pressure pipe in the irrigation, we need to manufacture new plastics pipe which is used in the irrigation system
在水利工程中,塑料管材的應用也很廣泛,隨著低壓管道輸水灌溉技術的發展,需要研製出適用於農田管道輸水系統的輕型薄壁硬塑料管,以降低管材的造價。They also object that it means using subsidised pumps to provide subsidised water for a crop that doesn ' t pay
他們還反對說,這一工程意味著,政府對抽水灌溉農作物提供了補貼,可用水人卻不需繳任何費用。In the development of hydropower stations, the ecological environment shall be protected, and the needs for flood control, water supply, irrigation, navigation, bamboo and log rafting, fishery, etc. shall be taken into account
建設水力發電站,應當保護生態環境,兼顧防洪、供水、灌溉、航運、竹木流放和漁業等方面的需要。This research stress on both of water - saving irrigation technique and engineering reform plan in the irrigation, investigates current situation and main existing problem including geography, geology, social economic condition and so on. . the necessity and feasibility of water - saving engineering reform are proved through balance analysis of water supply and demand relation in the area, then the construction scale and water - saving technique of reform is presented
本文研究主要從灌區節水灌溉技術和工程改造方案兩方面入手,調查研究灌區現狀及存在的主要問題、灌區的自然地理、地質、社會經濟等基本情況,通過灌區的水資源供需平衡分析,論證了灌區實施節水改造的必要性和可行性。Irrigation efficiency has been identified as a development need by imar and imau officials
內蒙古和內蒙古農業大學的領導們認為節水灌溉也是內蒙古農業大發展所需要的。It is more effective to combine water - saving irrigation with agronomy such as tillage and cultivation
節水灌溉必需與耕作栽培等農藝措施相結合,才能有效實施。分享友人