water-well yield 中文意思是什麼
water-well yield
解釋
水井出水量-
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。 -
Development of water - saving agriculture, dry fanning and ecological agriculture, construction of fine quality product centers of gain, cotton, oil and tobacco, well - bred breeding, reform of middle and low yield fields, small watershed control, processing and storage of agricultural and sideline products, production of high - efficiency low toxicity and safe biological pesticide, construction of livestock breeding centers
節水農業、旱作農業、生態農業開發，糧、棉、油、煙優質產品基地建設，良種繁育，中低產田改造，小流域治理，農副產品加工貯藏，高效、低毒、安全生物農藥及高效有機肥生產、養殖業基地建設等。 -
Based on euclidean distance, applied in water detection by electrical sounding, the gradient k method can estimate the location of the well and its flowing yield with measured data, and can obtain satisfactory geologic results
摘要梯度k法以歐氏距離公式為基礎，應用於電測深找水，它能夠利用實測數據較準確地確定最佳井位和估計涌水量，並獲得較佳的地質效果。 -
This study run through the basic idea of ecoregional approach methodology and systematic design by integrating agronomy, ecology, environmental economics, resource economics and maths. the study methods included macro - and micro - analysis, qualitative and quantitative analysis, theoretical and case study, statistical analysis and model simulation and so on. resources shortage and environmental pollution casued by intensive agriculture were examined for a specific suburban area shunyi district beijingissues were systematically analyzed including landuse changes, landuse driving force, water - limited yield simulation with wofost model, ecological, environmental and economical analysis of landuse, as well as optimizing pattern of landuse with rcsadss model
本研究立足於生態區域法的基本思路，採用系統設計的思想，通過農學、生態學、環境經濟學、資源經濟學、數學等多學科的交叉與融合，宏觀與微觀、定性與定量、理論與實證研究等相結合的方法，運用統計分析、模型模擬等技術手段，在大量調研基礎上，針對目前大城市郊區農業用地中存在資源短缺、環境污染等問題，以北京市順義區為典例，從土地利用現狀與動態、驅動力、 wofost模型產量模擬、生態環境經濟分析及種植業結構優化模式等方面進行了系統研究，獲得如下研究結果： （ 1 ） 2002年順義區的土地利用仍以農業用地為主，耕地、園地、林地和牧草地之和占總土地面積的56 ，農用地中糧食作物仍佔43 。 -
The authors probed into the reason of ambivalence, pointed out the development relationships among them, and mainly brought forward seven measures : ensuring necessary plantations and studiously increasing yields of grains ; setting up reasonable grains reserves ; increasing the yield of unit area and overall productivity of land, and ensuring gross yields of grains to be increased steadily ; adjusting measures to local conditions, differentiating land varieties among the total land of gansu province to produce grains ; continuously adjusting structure of production, improving agricultural economy benefits, and increasing farmer incomes ; realizing essential self - support of gross grains, meanwhile dealing with well regional and structural scarcity gradually ; strengthening outcomes of ecological construction, increasing the intensity of ecological compensation, utilizing strategy of virtual water to solve grain safety to be fragile and sensitive regions of ecology, and realizing agricultural sustainable development
文章分析問題的矛盾所在，指出三者的辨證發展關系，並主要提出七點措施：保證一定的播種面積，努力增加糧食產出；建立合理的糧食儲備規模；依靠科技，主攻單產，提高土地的綜合生產能力，保證糧食總量穩定增長；因地制宜、分類指導省內不同地區的糧食生產；繼續調整農業生產結構，提高農業的經濟效益，增加農民收入；實現省內糧食總量基本自給的同時，逐步解決好區域性、結構性短缺問題；鞏固生態建設成果，加大生態補償力度，利用虛擬水戰略解決生態脆弱區、生態敏感區等局部地區的糧食生產安全，實現農業可持續發展。 -
For the purpose of ground water rights registration, the authority - in - charge shall fix the interval distance between sells according hydrologic data and well output yield and make a public announcement thereof
其屬于地下水水權登記者，應根據各地地下水水文資料及井出水量，制定適當之井距公告之。 -
The comparison with minhas model, which fits well the experiment data, indicated that the spring wheat ' s sensibility to water expressed by these two models is identical and their results of yield prediction agree with each other for same water application
通過與當地條件下擬合效果較好的minhas模型比較，該模型所預測的產量隨備生育階段水分的變化規律與mi訕as模型敏感指標所反映的敏感程度變化規律相一致，且兩者產量預測值接近。 -
This experiment was designed according to the special soil moisture in the north in china as well as the different water requirements in the different growth periods of the maize. the author put forward a practical technique by comparing the water - supply conditions in the different periods of time and ensuring the growth target and the yield target under the best water - supply condition
針對北方旱區土壤水分運動存在冬季緩慢散墑、春季進入強烈跑墑期以及玉米在不同生長期需水差異這一特點，試驗設計提出了節水滲灌這一技術的田間試驗方案，比較不同時期的供水狀況，最後確認在最佳的供水條件下的玉米生長指標及產量指標，提出一套較實用的玉米滲灌節水生產技術。 -
Coupling vegetation dynamics at multiple scales is essential to explore the mechanisms of water and sediment yield response to vegetation changes such as vegetation reestablishment, development, succession, distribution, and management practices - we reviewed literature on advances in studying the processes and mechanisms of the vegetation influence on runoff and sediment production in relations to vegetation growth, vegetation succession, vegetation patterns and distribution, as well as afforestation and deforestation
由於植被自身的生長發育以及受自然因素和人為干擾的作用，植被變化具有多尺度性；由於受流域水文環境的異質性和水文通量的變化性的影響，流域水文過程也同樣具有多尺度性。 -
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。 -
The term "sustained yield" is probably most useful has applied to the yield of well fields in situations that thomas has termed "water-course aquifers".
"持續開采量"這個術語用於托馬斯稱作"連河含水層"情況下的井田開采量，大概才是最合適的。
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