water yield 中文意思是什麼
water yield
解釋
產水量-
Raised bed planting ( rbp ) can get higher grain yield and water use efficiency than flat planting ( fp )
壟作小麥冠層為波浪狀，有利於提高小麥的籽粒產量和水分利用效率。 -
High yield trial on culture penaeus vannamei boone in cement pond in green house with circulating water
大棚水泥池循環水養殖南美白對蝦高產試驗 -
The maximum influence of drought stage upon rice yield is the jointing - booting stage ; the second influence stage is earing stage and the suitable water deficiency in tillering and filling stage can ' t bring tremendous effects on yield of rice
不同階段的不同程度受旱對水稻生長發育的影響不盡相同，相同程度受旱對產量影響最大的階段為拔節孕穗期；抽穗開花期次之，在分蘗期和灌漿期實施一定程度的水分虧缺不會對產量構成較大影響。 -
Based on the situation of demand exceeds supply in the market, the author would like to find out the constraints of the water chestnut development by use of pra ( participatory rural appraisal ) in a survey to carry out stakeholder analysis including the water chestnut farmers, government and processing companies. also, the author applied a tool of system theory to analyze the constraints of water chestnut plant production development. the results are as following : the study shows that a main factor that restricts the plant yield ( per unit yield ) and quality ( product quality ) of water chestnut is the low level of prevention and control of water chestnut culms damping - off ; a disease of the water chestnut
針對賀州市荸薺產業發展中的「銷大於產」的突出矛盾，筆者通過運用pra （參與式農村評估）方法，對荸薺種植區的農戶、政府機構、加工流通企業等進行了調查研究，並運用系統科學的方法對荸薺種植系統的不同組成因子的制約因素進行分析，得出研究結論如下：農戶對荸薺稈枯病害的綜合防治水平偏低，制約其荸薺種植的產量（單產）和質量（商品質量） 。 -
Soil is the base of agriculture production, the key measure to prevent water and soil loss is to conserve soil, but most soil nutrient is lost with the sediment loss, and serious water and soil loss make the soil thickness degrease, the soil nutrient be deficient and lean, the land quality degrade and the yield of plant decrease, all this results is going to threaten the people ' s transplanting and the agriculture sustainable development, and restrict the economy development of three gorges regions
同時，土壤是農業生產的根本，治理水土流失的關鍵是要保住土壤，而土壤養分絕大部分是隨著泥沙流失的，嚴重的水土流失造成土層淺簿、養分貧瘠，土地質量退化，產量下降，對三峽庫區移民工作和農業可持續發展造成嚴重威脅，制約三峽庫區經濟發展。因此進行三峽庫區坡耕地土壤侵蝕機理研究，探索減輕坡耕地土壤流失的方法措施，具有全局性的重大意義。 -
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。 -
As the old specific water yield apparatus can not put up visually the influence of water level and its decrease depth on the specific water yield of incompact soil sample, a new apparatus is designed
摘要針對原有給水度實驗儀不能直觀反映地下水水位埋深及其降深對給水度影響的缺點，設計了能採用柱體法測定鬆散土體試樣的給水度的實驗儀。 -
On the basis of the isograms, we analyzed the variation law of yield and grain protein content with soil water content, nitrogen and p2o5,
用等值線圖描述產量和蛋白質含量的水氮和氮磷兩因素效應，分析產量和蛋白質含量變化規律及其關系，確定實現一定生產目標的水肥管理方案。 -
To this area precipitation materials for many years, evaporate materials, surface flow materials, hydrometeorological materials, hydrogeological materials carry on exhaustive analysis, have analysed the state of water resource of the sand district, proceed from the heat of the earth ' s surface is balanced, water yield balanced basic theories, combine the amount of regional water resource set up of the materials, such as scene, hydrology, soil of the sand district, etc. and estimate models, have calculated the surface water, groundwater of this area, has carried on models to examine according to the real data, and has predicted to the state of water resource under different climate change scenes of future that analyse. have put forward the scheme that the water resource in this area utilized rationally, use the non - linear motive force model to predict the precipitation, utilize the materials of actual observation, the natural supply amount of calculating out groundwater of sand ground of balanced principle of the amount of water used at the same time, and can exploiting amount predict to groundwater, district of sand,
本文以寧夏半乾旱地區鹽池縣沙地水資源為研究對象，對該地區多年降水資料、蒸發資料、徑流資料、水文氣象資料、水文地質資料進行了詳盡的分析，分析了沙區的水資源狀況，從地表熱量平衡、水量平衡的基本理論出發，結合沙區的氣象、水文、土壤等資料建立了區域水資源量估算模型，計算了該地區的地表水、地下水，根據實際資料進行了模型檢驗，並對未來不同氣候變化情景下的水資源狀況進行了預測分析，提出了該地區水資源合理利用的方案，運用非線性動力模型對降水量進行預測，同時利用實際觀測資料，運用水量平衡原理計算出沙地地下水的天然補給量，並對沙區地下水可開采量進行預測。 -
( 3 ) three methods of water yield - use balance, reversed operation and dispatch chart operation have been introduced for the operation of heiquan reservoir individually. the dynamic inquiry of dispatch of reservoir, and orperation information in figures and data revising in table or figures has been realized
（ 3 ）為該水庫設計了水量平衡調度、反運用調度、調度圖調度三種興利常規調度模式，並且實現了水庫調度圖和調度資料的動態查詢以及通過圖表聯動修改數據。 -
The new apparatus not only can reflect the visual change of water level, the influence of water level and its decrease depth on the specific water yield, but also can be operated and understood easily by students
新設計的給水度實驗儀能直觀地顯示出地下水水位的變化，並能反映出初始地下水水位埋深及水位降深對給水度的影響，且操作簡單，易於學生理解掌握。 -
Ceramic grain filters ard made of refined pottery clays added with certain modifiers, and processed of grinding, mixing, shaping and high temperature sintering. they do not contain any substances that harmful to people or environment. they are hard and rough in surface, porous inside the structure, and have the advantages of high mechanical strength, large specific surface area and porosity. when used in water treatment, they behave a activated surface property, a great amount of pollutant entrapment, less water head loss in the filter bed, lower consumption of back - flush water, stable in chemical and gbiologic property, and long service life, ceramic grain filters is a new and efficient filter material to increase the water yield, upgrade the water quality, and save chemicals and energy
陶粒濾料是以精製陶土為主要原料，摻加適量改性劑，經粉碎，混練，成型和高溫煅燒而製成的，不含任何對人體和環境有害的物質.其表面堅硬，粗糙，內部疏鬆，多孔，具有機械強度高，比表面積大，孔隙率大的特性.用於水處理中，具有表面性狀好，截污能力強，過濾水頭損失小，反沖洗耗水量低，化學穩定性和生物學穩定性好，使用壽命長的特點.陶粒濾料是一種能增加水產量，提高出水質量，節省藥劑和能耗的新型高效過濾材料 -
But for the reservoir water - supply system, the reservoir whose oam cost is low and flow into the reservoir is more may be selected to be taken advantage of the storage capacity of this kind of increase to regulate some water yield more and in order to substituting the water supply of the other water supply projects whose oam cost is comparatively higher, so that to achieve the goal of the oam saved, that is to say, that can utilize this regulation capacity increased of the reservoir to optimize operation between the raw water systems so that to save the oam of the system. namely, it can obtain a certain economic benefits to utilize this kind of difference between water supply ability and reality water - using levels existing for a long time
從長春市供水系統長期規劃和目前供水現狀研究得出，在目前和今後的長時期內長春市供水系統的供水能力總是大於實際用水水平。這種長期存在的差別對松花江供水只意味著減少抽水量。但對水庫工程供水系統則可挑選運行費用低的、入庫水量較多的某個水庫，利用這種增加的調節庫容多調節出一些水量，以替代運行費用較高的供水工程的供水。 -
Analysis of water yield flux temperature properties in reverse osmosis system
反滲透系統中產水通量的溫度特性分析 -
In addition, the water resource is appraised on the issue that water yield science disposes, besides considering that the sand district produces the domestic water this time, consider sand district base on the premise that guarantee social economic development, must meet ecological environment demand ink request of sustainable development too
另外，該次水資源評價在水量科學配置問題上，除考慮沙區生產生活用水外，還考慮了沙區在保證社會經濟發展的前提下，必須滿足生態環境可持續發展的需水要求。 -
Aiming at the present low efficiency of well irrigation works and through pumping tests and theoretical analysis, the paper derives a method for calculating the optimum water yield, the best lifting distance and economic pipe diameter of low pressure pipe delivery system of irrigated area by wells, increasing the efficiency of motor - pumped wells
針對目前井灌工程效率低下的問題，通過抽水試驗，經過理論分析，推導出了井灌低壓管道輸水灌溉系統的最優出水量、最佳揚程和經濟管徑計算方法，從而可提高機井灌溉效率。 -
Forecasting water yield of mine with the partial least - square method and neural network
偏最小二乘回歸神經網路的礦坑涌水量預測 -
The comprehensive research of typical wells in water - yield pattern shows that the theoretical curves are accordant with actual situation, indicating this method is applicable to analysis and prediction of water - yielding pattern in such a reservoir
對典型井的產水規律綜合研究表明，理論曲線與油藏實際產水情況比較吻合，說明該方法對薄層底水油藏產水規律分析預測具有較好的適用性。 -
The submodel for target yield prediction was developed through integrating the effects of cotton radiation - temperature - water yield potential, soil fertility, average yield of last three years and production technique levels
產量目標知識模型是以棉花光溫水生產潛力的估算為基礎，通過量化土壤肥力、歷史產量水平和生產技術水平等多因子對皮棉產量的影響而建立的。 -
The large water yield disinfects very effective in succession to round - the - clock
對晝夜24小時連續大水量消毒特別有效。
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