灌水 的英文怎麼說
中文拼音 [guànshuǐ]
灌水
英文
irrigation; watering-
Metal and glass beads may be removed by irrigation.
金屬和玻璃珠子可用灌水法取出。The method of close water test has been used for a long time, so richer experience has been achieved. however, it not only takes pains and time, but also consumes raw materials during the close water test because of miscellaneous working procedures such as bricklaying in the two ends of pipe, water - repellent layer plastering, maintaining and water offletting, brick - block backouting after the test, especially in the region short of water and some drainage pipe with prop - pipe construction. in order to satisfy the fast development of municipal construction, new detection methods should be developed
閉水試驗方法因其應用時間較長,目前已積累了較豐富的經驗,但在閉水試驗時,管道兩端砌築磚堵、抹防水層、養護、灌水浸泡,以及試驗后的放水、磚堵拆除等繁雜工序,不僅費工、費時,而且消耗原材料,尤其是在缺水的地區以及頂管施工的無壓管道,這些矛盾更加突出;因此,為滿足迅速發展的市政建設需要,有必要探索新的檢測方法,閉氣試驗就是其中一種,但是閉氣試驗目前還不完善,有待于進一步深入研究。Fertigation has become increasingly popular across the united states as water costs rise and issues related to the environment dictate more precise control of both irrigation water and fertilizer, especially nitrogen
隨著灌水費用的提高和環境上要求更精確地控制灌水量和施肥量尤其是氮肥,在美國灌溉施肥越來越普遍。The amount of nitrogen leached was increased with the increasing amount of water applied. and compared to the treatment of fertilizer added as flooding irrigation ( fif ), the treatment of fertilizer added in drip irrigation ( dif ) significantly decreased the nitrogen leached
氮素淋溶量隨灌水量的增加而增加;在淋失的n素形態中,以尿素態氮為主,其次為硝態氮,銨態氮的淋失量最低。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。Rice, one of the three major crops in the ningxia irrigation area of yellow river. is widely planted. the traditional irrigation techniques of rice are flood irrigation and deep storage. which need more water consumption and have higher application volumes. with the increase in population, the development of industrial and agricultural production and the uniform catchment agreement for the water resource of yellow river, the supplying and demand contradiction of the water resources in ningxia is more evident, then drang is presented for developing water - saving and efficient agriculture
近年來,水稻節水控灌技術在寧夏引黃灌區推廣后取得了顯著的經濟和社會效益。但如何確定節水控灌技術是現有條件下適合寧夏引黃灌區特別是鹽堿耕地的水稻種植先進灌溉技術,如何確定鹽堿地的淋洗水量及灌水模式,探索節水控灌技術在鹽堿地的適應性,研究水稻節水控灌技術增產機理,對進一步推廣水稻節水控灌技術及改良、開發鹽堿地和鹽堿荒地具有重要意義。Includes sub - boards for freebies, pictures and blogs
-提供人文信息游戲灌水等各方面交流。Furrow irrigation is a common way used in wide - row crops
溝灌是大田寬行作物灌溉中比較常見的一種灌水方式。But conventional furrow irrigation is difficult to meet the demands that crops are irrigated at proper time and with suitable amount of water
但常規溝灌很難滿足灌溉過程中對灌水適時、適量的要求。Based on the data, infiltration parameters k, ai and bi were obtained according to the flow advance and recession course of the stream in the furrow, on the base of which, the model of surge furrow irrigation was set up
基於田間實測的田間入滲及灌水試驗資料,利用灌水溝水流推進、消退過程,求得波涌灌入滲參數k , a , a _ i和b _ i ,並由此得出波涌灌的入滲模型。And then, the irrigation performance including irrigation efficiency, application efficiency and distribution uniformity were evaluated by using infiltration parameters and soil parameters. the results indicate surge furrow irrigation is suitable to hilly mountain areas
利用入滲參數以及田間基本參數,對灌水質量:儲水效率e _ n 、灌水效率e _ a和灌水均勻度e _ d進行了評價,評價結果表明在丘陵山區適宜進行波涌灌溉。At the sight of the vehemence of the building lord, i feel that the building lord infuses the water in the community together of that has the hypostatic difference for small bludger
一看到樓主的氣勢,我就覺得樓主同在社區里灌水的那幫小混混有著本質的差別!This paper analyzed the effects of some factors on protein contents of high - gluten wheat, which are nitrogen, phosphor, kalium, organic, fertilizer, irrigation, and resistance of disease and insect ; and put forward some essential cultivation measures
筆者分析了氮、磷、鉀、有機肥、灌水、病蟲防治等因素對強筋小麥蛋白質含量的影響,並提出強筋小麥栽培技術要點。( 5 ) it was more precise for using darcy - weisbach formula to calculate the hydraulic pressure slope curve in the lateral line, but too complexity. although i - pm wu formula is simple, the estimated results were not agreement with the measured data. a coefficient including irrigation uniformity was presented to modify i - pal wu formula, and the results were agreement after using the coefficient
( 4 )利用達西?韋斯巴赫公式計算微孔毛管的沿程水頭損失具有較高的精度,但計算復雜,吳義伯公式計算雖較簡單,但在灌水均勻度較差時誤差較大,為此對吳義伯公式進行了修正,提出了修正系數的計算經驗公式,取得了良好的結果,為簡易地下滴灌工程設計中水力計算建立了簡化公式。Manufacture of dripping irrigation emitter with lower water pressure
微壓滴灌灌水器的研製Drip or ooze systems are common for pot watering.
滴灌和滲灌系統一般也用於盆栽灌水。It is important to get even distribution of water and good penetration.
灌水時水量均勻分佈和充分滲透是很重要的。So everybody does not hesitate to rest assured, the pilosity is pasted, irritate water suddenly, gather full eaches become - is only a kind of title even 0 gold medal. 1 gram of gold can not be taken
所以大家盡管放心,多發帖,猛灌水,湊滿300條就成了金牌了-盡管只是一種稱號,連0 . 1克的金子都拿不到。The experiment was conducted to determine the influence of different regulation and control methods of soil moisture, such as plastic film mulching, covering grass under trees, growing grass under trees, irrigating regularly, loosening the soil under trees, on quality of fruit in a non - public nuisance crisp pear garden in the area of old course of yellow river
摘要以45年生酥梨樹為試材,分析測定塑料薄膜覆蓋、樹盤覆草、自然生草、定期灌水、清耕等不同土壤水分管理措施對土壤水分和酥梨品質的影響,結果表明:塑料薄膜覆蓋和樹盤覆草處理中,土壤含水率比較適宜,且變幅較小,有利於果實生長發育和提早著色,提早成熟,產量和品質較好;其它處理中土壤含水率要麼過高,要麼過低,且變幅較大,酥梨的果實品質也比較差。According to the least twin multiplication to calculating the sensitivity index in several water production functions. thus, the writer obtains the fitted the value of the sensitivity index and the varied rule. at the same time, the writer puts forward a new method named rag a ( real coding based accelerating genetic algorithm ) and combines raga with dpsa to calculating the best irrigation system under the non - sufficient irrigation of well irrigation rice in sanjiang plain
根據《隨機水文學》理論中的時間序列分析法,建立了適合三江平原井灌水稻需水量預報的非平穩時序隨機模型;通過分析降雨隨機特性,選定季節性時序隨機模型,建立了適合三江平原井灌水稻降雨預報的月平均降雨模型;根據最小二乘法,計算出幾種常用水分生產函數中的敏感指數及敏感系數,進而得到三江平原適宜採用的水分生產函數漠型及模型中敏感指數的變化規律;本文提出遺傳動態規劃法( raga ? dp ) ,即採用改進的基於實數編碼的加速遺傳演算法( realcodingbasedacceleratinggeneticalgorithm ,簡稱raga )與動態規劃法( dpsa )相結合,推求非充分灌溉條件下三江平原井灌水稻的最優灌溉制度。分享友人