water productivity 中文意思是什麼
water productivity
解釋
出水能力- water : n 1 水；雨水；露；〈常作 pl 〉 礦泉，溫泉；藥水。2 〈常 pl 〉水體；水域；水道；海；湖；河；海域；...
- productivity : n. 1. 多產，豐饒。2. 生產率；生產能力。
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Phosphorus efficiency and water productivity of aerobic rice under different water regimes
不同水分條件下旱稻磷效應及水分生產率 -
On the other hand, the research of " forests and water " is from the aspects of the eco - hydrological models of forest ecosystem from, the viewpoint of forest ecosystem and combining with the research on forest structure, function, productivity, energy and material circulation, to explore the laws and internal relation of various forest hydrological phenomenon is the basic topic of research
另一方面在祁連山水源林生態系統長期定位研究的基礎上，以祁連山青海雲杉為代表運用森林生態學、森林水文學、生態經濟學、生態水文學等學科理論，通過建立單一因子的水文環境因子模型研究森林水文效應；從生態系統觀點出發，結合森林的結構和功能以及生產力和系統能量及物質循環的研究，揭示各種森林水文現象發生和發展的規律及其內在聯系。 -
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。 -
Some countermeasures are developed against these problems : ( 1 ) building water diversion works from other river basin under a comprehensive program ; ( 2 ) strengthening the measures of local sewage treatment and other place sewage control ; ( 3 ) raising water productivity by using water - saving techniques ; and ( 4 ) improving the management of water use
針對這些問題提出了若干對策： （ 1 ）認真搞好供水規劃，積極爭取外調水； （ 2 ）加大污水治理力度，包括上游來水的水質控制； （ 3 ）搞好節水規劃，提高工農業用水的利用效率； （ 4 ）健全和理順水管理體制。 -
The mission of the conservation and production research laboratory is to 1 ) develop improved water management methods and irrigation technology for sustaining or enhancing crop productivity, improving water use efficiency, reducing ground water use, and enhancing water and soil quality ; 2 ) develop management practices that optimize the use of water, soil, climatic, and nutrient resources for economically and environmentally sustainable crop and livestock production systems under dryland and limited - irrigation conditions ; 3 ) develop systems for utilizing renewable energy sources ( wind, solar, and biofuels ) for pumping irrigation, livestock, and farmstead water and generating electric power ; 4 ) develop regimens that reduce environmental risks posed by accumulations of feedlot wastes by reducing the phosphorus content, improving nutrient utilization, and applying manure to grasslands
描述:美國農業部保持與生產研究實驗室的主要任務是： 1 .開發水資源管理方案或灌溉技術，提高用水效率，減少地下水使用，改善土壤和水質； 2 .使水資源、土壤資源、氣候和養分資源達到最優化，以保證在乾旱和灌溉條件有限的地區種植業和畜牧業能可持續發展； 3 .開發可再生能源用於灌溉、畜牧飼養和發電； 4 .通過減少磷成分，降低飼養場廢棄物的環境風險，將其施用於牧草地，提高養分利用率。 -
In addition to nutritional factors, the productivity of many acid soils is affected by physical factors that include low water holding capacity （ oxisols, spodosols ） and susceptibility to crusting, erosion and especially compaction （ oxisols, ultisols ）
除了養分因素外，許多酸性土壤的生產力受物理因素的影響，包括持水量低（氧化土，灰化土）和對結殼、侵蝕及特別是壓實（氧化土、老成土）敏感。 -
Bio - diversity of primary productivity of water bodies
試看水體初級生產力的生物多樣性 -
The research of this title, for the exploration and development of oil field and oil pool, for stabilizing oil and controlling water, and for the high productivity and stable production of oil field, will have a very important guiding meaning
開展本課題的研究對于油田油藏的勘探與開發，對于油田穩油控水及高產穩產都具有重要的指導意義。 -
Soil water content was measured at 28 points in the catchment. biomass and productivity of the plant communities, transpiration rates of dominant plants, and plant community diversity were also measured at various points along the slope. l. in general, it seemed that soil water content increased from the top to the bottom of the catchment.,
在相似植被及坡面形狀條件下，土壤水分沿坡面向上逐漸降低；植被類型及其分佈與土壤水分的坡面分佈密切相關，對上述趨勢有減弱的作用，研究發現在偏旱的2002年生長季末，陰坡灌叢坡面坡下的土壤水分含量明顯低於坡上。 -
The three systemic indicators contain eco - environment indicator, society development indicator and economy development indicator. the six collective indicators contain ecosystem stability indicator, ecosystem productivity indicator, indicator of soil and water conservation and water resource self - restraint capacity of forest, level of forest management indicator, society development indicator and economy development indicator
3個系統指標分別為生態環境系統指標、社會發展系統指標和經濟發展系統指標， 6個大類指標分別為：生態系統穩定性指標、生態系統生產力指標、水源林水土保持水源涵養指標、森林經營水平指標、社會發展指標和經濟發展指標。 -
The successful design of the system has a wider application foreground for lightening intensity of work, increasing labor productivity, producing the water of good quality
整個系統的成功設計，對減輕勞動程度，提高勞動生產率，製造出優質的水具有廣闊的應用前景。 -
The typical monsoon in this area has a great influence on the oceanic productivity and the salinity of the sea water
本區特有的季風氣候對大洋生產力和海水鹽度的變化都有較大的影響。 -
( 3 ) the key link in establishing agroforestry is to select fine plant species in accordance with local natural condition. to make full use of the coexistence and to avoid rejection between different species is very important in obtaining the utmost benefits. ( 4 ) agroforestry systems with rational structure could conserve soil and water, ameliorate soil property, raise land use efficiency and increase the system productivity and achieve significant ecological, social and economic benefits
另外在物種選擇時要做到適地適樹，並且要與當地主導產業結合，產生規模效益， （ 4 ）良好結構的農林復合經營系統能夠保持水土，改良土壤，提高土地利用率和系統生y兩南農業大學碩十學位論文產力，獲得更好的生態、社會和經濟效益。 -
We study the regular of soil water contents in 11 years artificial locust woodland. the results showed that soil water contents are semi - shady > sunny > semi - sunny. so we can draw the conclusion that the reason of differential productivity of artificial locust woodland in different site types is soil water content rather than soil nutrients
對11年人工刺槐林土壤含水量變化規律的研究表明，三個立地類型的刺槐林土壤含水量差異顯著，其土壤含水量從大到小的順序為：半陰坡半陽坡陽坡，因此就可以斷定，在黃土高原現有的土壤養分背景下，引起不同立地類型生產力差異的主要原因不是土壤養分，土壤含水量是引起黃土高原人工刺槐林生產力差異的主要原因。 -
The productivity is low and development is also slow here, and it is one of the most depressed areas in the whole country because of the water shortage and soil and water loss problem
寧夏南部山區地處乾旱、半乾旱區。受水資源短缺和水土流失影響，經濟生產水平低，社會發展緩慢，是全國重點貧困地區之一。 -
Based on the achievement of related previous studies on this issue and the unsolved problems, here three aspects are concentrated in this dissertation for the issue. they are : study on the variation law of soil water and soil nutrients " background and productivity of the artificial locust woodland in northern shaanxi province ; the characters of the communities restoration and soil properties change of different barren grassland in loess plateau. the objectives are approached both by field survey and lab analysis
本研究針對黃土高原水分生態環境研究的現狀，黃土高原的生態建設和植被恢復中存在的問題，主要致力於以下幾個方面的研究：陜北黃土高原不同立地條件下人工刺槐林土壤水分與土壤養分背景和生產力關系研究；黃土高原退耕地不同撂荒年限草地的群落動態與土壤性質演變分析。 -
Biomass and productivity decreased as human disruption increased. water resources in this area were sufficient for the growth of herbs
在植被的自然恢復過程中，處于植被演替序列高級階段的草地植被生物量和生產力明顯大於初級階段的植被。 -
The result shows that 1 ) formation coefficient is a main factor. 2 ) boundary and formation heterogeneity have much effect. 3 ) water producing gas wells should be produced reasonably according to gas production policy with water controlling technique so as to avoid watered out. 4 ) with increase of non - darcy flow coefficient, gas well productivity decreases. 5 ) in the process of gas well production, formation energy should be used reasonably. 6 ) when skin factor increases from 0 to 6, its open - flow capacity is 60 % - 70 % of that without pollution
研究表明：地層系數是影響氣井產能的主要因素；邊界和地層非均質對氣井產能影響很大；對于產水氣井，應嚴格按照控水采氣技術政策合理開采，避免水淹；隨著非達西流系數的增大，氣井產能不斷降低；在氣井的生產過程中，必須合理利用地層能量；當表皮系數由0增加到6時，其無阻流量為不受污染時的60 % ~ 70 % 。 -
Txg series 5 - gallon & 3 - gallon barrelled drink water, its productivity is 300 - 1, 800 barrelshours. in addition, as per buyer s demand, automatic discovering machine, automatic leakage inspection machine, brushing machines for inside & outside barrel, automatic covering maching, thermal shrinking machine, etc. can be chosen
用於3加侖、 5加侖桶裝飲用水生產的txg系列，產量300 - 1800桶小時，可供用戶選擇。另可按用戶需要配置自動撥蓋機，自動檢漏機，內外桶洗刷機，自動上蓋機，熱收縮機等。 -
Due to the underdevelopment of economy, traditional surface irrigation such as border and furrow irrigation is still taken as the dominant way in farmland irrigation, which leads to the great waste of water resources. therefore, how to apply a new theory to study and improve surface irrigation technique in order to increase water use efficiency and water productivity in farmland, has become a key project in water - saving research of agriculture today
然而，由於經濟欠發達，我國農田灌溉仍以傳統的畦、溝地面灌溉技術為主，水資源浪費現象還比較嚴重，因此，如何運用新的理論研究和改進地面灌水技術，提高農田水分利用效率和水的生產效率，已成為當今我國農業節水研究的重點課題。
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