灌水定量 的英文怎麼說
中文拼音 [guànshuǐdìngliáng]
灌水定量
英文
irrigation rate- 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...
- 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...
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 灌水 : irrigation; watering
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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。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。Semi - automatic filling machine are suitable for filling products at kinds of ropy pitch from aquiform to viscosity. they are suitable for medicine, chemistry, lube and daily merchandise tec
半自動灌裝機系列產品適用於水狀到膏狀的任何種類的粘稠度的產品的定量灌裝。廣泛適用於醫藥、化工、潤滑油及精細化工等行業的灌裝設備。Auto filler line adopt pneumatic volumetric piston dosing filling principle, enter bottles, orientation, filling, come out bottles controlled by plc, measured up to gmp, suitable for filling products at any kinds of ropy pitch from aquiform to viscosity., suitable for food medicine, chemistry, pesticide, lube and daily merchandise cosmetic etc
全自動灌裝生產線採用活塞式定量充填原理,進瓶,定位,充填,出瓶均由plc自動控制,符合gmp標準,適用於水狀到膏狀的任何種類的粘稠度的產品的定量灌裝,廣泛用於食品,醫藥,日化,農藥,潤滑油及食用油等行業的灌裝設備。A method of quantifying irrigation for manilagrass ( zoysia metrilla ) turf is introduced
摘要以溝葉結縷草為例,推薦一種有效定量灌水方法。Then, how should we determine the average amount of dripper in little irrigation district ? an operational measure is to make average pressure position of drip line certain and determine the flux of emitters in average pressure position
在灌水小區內,能夠準確及時的測定灌水小區內灌水器的平均灌水量,才能精確控制灌水小區的灌水量。When other factors are unchangeable, with the growing of the diameter of drip line and the distance of emitters, irrigation uniformity of trickle system is increasing. the face gradient of little irrigation district has complex effect on irrigation uniformity. in a word, we tries our best to make the face of little irrigation district flat in order to improve the quality of drip - irrigation system
灌水均勻度由某一因素決定,而其它因素不變的條件下,隨管徑增大,滴灌系統的灌水均勻度增大;隨滴頭間距增大,灌水均勻度也在增大;地形坡度對灌水均勻度影響比較復雜,為了提高低壓滴灌的灌水質量,土地必須整平。Abstract : based on the principle of balance of surface irrigation water volume, a method for determination of field average infiltration parameter according to the irrigation data is introduced
文摘:本文根據水量平衡原理,提出了利用大田畦灌灌水資料推求土壤入滲參數的方法,在此基礎上,又提出了利用波涌灌水流推進和消退資料確定間歇入滲減滲率系數的方法。First each of the eight factors, i. e., per capita water resource available, per capita water requirement quantity, environmental water use rate, utilization rate of water resource, industrial water requirement quantity per 10, 000 industrial product value, water requirement module, regional irrigation rate was analyzed. then the water resource capacity in hejin city was evaluated by applying the fuzzy comprehensive estimation
選取了人均水資源可利用量,人均供水量,生態需水率,水資源利用率,萬元工業產值需水量,需水模數,生活需水定額,耕地灌溉率等8個評價因素,利用模糊綜合評判模型對其水資源承載能力進行了評價研究,並提出了河津市水資源安全對策。Outdoor watering bans already cover the affected part of the state, and local governments are considering rationing
受乾旱影響的部分州府已明令禁止戶外灌溉,地方政府正在考慮淡水定量配給。The best irrigation system can instructs the best distributed water quantity and the irrigated time under the condition of lacking water. thus, we can obtain the maximum relative yield and the least loss
優化的灌溉制度可用於指導在不同的缺水程度下如何在時間上定量分配水量,以使相對產量最大,減產損失最小。The calculation example shows that the method is simple and effective
該研究成果為波涌畦灌技術要素設計和灌水質量評價奠定了基礎。The results indicated that the higher irrigation quota was, the higher soil moisture content and the lower soil salt concentration was. but the total salt content increased evidently
結果表明高灌水定額下,灌後土壤含水量較高,土壤溶液濃度較低,但總鹽量有所增加。( 2 ) in case of specified volume of applied water, the shape of wetted soil volume is influenced by discharge rate
( 2 )在灌水量一定的情況下,滴頭流量對濕潤體的形狀有明顯的影響。Under the filtration irrigation, the water content could remained a fit range from 14 to 22 percent in the layer of 20 to 70 cm deep, however, the general irrigation could reduce the moisture utilization during the growing period of the maize. ( 4 ) filtration irrigation could well adjust the soil temperature so that the root system made a sufficient absorption of the moisture and mineral nutrinents
從土壤含水量測定分析看,在20 70cm土層,滲灌水分含量一直維持在玉米正常所需的14 22范圍內,而漫灌分兩次灌水,在每次灌水前一段時間水分含量要下降到14以下,出現水分脅迫,尤其影響到玉米的前期生長。4. through field experiment, the effect of different irrigation quota on soil water and salt movement was studied under saline water irrigation. the suitable irrigation system were further discussed
在田間微鹹水( 2 . 5g l )灌溉條件下,研究不同灌水定額對土壤水鹽運移規律和西安理工大學碩士學位論文作物產量的影響,並進一步探討了灌區適宜的灌溉制度。Abstract : characteristics of film hole irrigation and effects of irrigation technological parameters on ir - rigating quota are analyzed, and the relationships among discharge per unit width, hole spacing and ir - rigation quota are studied in this paper, based on field experimental data
文摘:根據膜孔灌溉大田灌水試驗資料,分析了膜孔灌溉特點和灌水技術要素對膜孔灌灌水定額的影響,研究了單寬流量與開孔率與膜孔灌灌水定額的關系。According to the correlativity between stomatal conductance and soil moisture, root system distribution and soil water profile, these greenbelt should irrigate when soil moisture is high, and their scheming wetted soil layer depth is shallow in slow consumption stage ; irrigate when soil moisture is low, and their scheming wetted soil layer depth is deep in quickest consumption stage ; irrigate when soil moisture is higher, and their scheming wetted soil layer depth is deeper hi slower consumption stage
在草坪弱、泡桐中耗水期時,土壤高含水量時即須淺層灌溉補水,以滿足其萌發需要;中、強耗水期,可低土壤含水量時深層灌溉補水;微耗水期,為安全越冬,又需中深層灌溉補水。最大灌水定額由灌溉飽和點、補償點和計劃濕潤深度確定。分享友人