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淡水     
相关语句
  freshwater
    The research results show that the performance ratio could be increased by 42.6% and the year average fresh water cost could be reduced by 41.3% in comparison with conventional MSF system when the flash steam quotient increased from 0 to be its maximum value 0.743, which proves that the MSF-E system has practical value and applied foreground.
    研究结果表明,与现有MSF装置进行对比,在引出质量份额从0增加到理论最大值0.743时,造水比可提高42.6%,同时年度化平均淡水成本可下降41.3%,证明MSF-E系统有较大的实用价值和应用前景。
    Dynamically Monitoring Fresh Water Resource and Rural Sustainable Development
    淡水资源和农村可持续发展的动态监测
短句来源
    STUDY ON THE INFORMATION SYSTEM OF FRESHWATER FISH GERMPLASM RESOURCES
    淡水鱼类种质资源信息系统的研制
短句来源
    IMPACTS OF GLOBAL CHANGES UPON UTILIZATION AND MANAGEMENT OF TRANSBOUNDARY FRESH WATER RESOURCES
    全球变化对跨境淡水资源利用和管理的影响
短句来源
    The fresh water resources around the Bohai Sea area and the ceastal areas'economy
    环渤海地区淡水资源与沿海经济
短句来源
更多       
  fresh water
    The research results show that the performance ratio could be increased by 42.6% and the year average fresh water cost could be reduced by 41.3% in comparison with conventional MSF system when the flash steam quotient increased from 0 to be its maximum value 0.743, which proves that the MSF-E system has practical value and applied foreground.
    研究结果表明,与现有MSF装置进行对比,在引出质量份额从0增加到理论最大值0.743时,造水比可提高42.6%,同时年度化平均淡水成本可下降41.3%,证明MSF-E系统有较大的实用价值和应用前景。
    Dynamically Monitoring Fresh Water Resource and Rural Sustainable Development
    淡水资源和农村可持续发展的动态监测
短句来源
    STUDY ON THE INFORMATION SYSTEM OF FRESHWATER FISH GERMPLASM RESOURCES
    淡水鱼类种质资源信息系统的研制
短句来源
    IMPACTS OF GLOBAL CHANGES UPON UTILIZATION AND MANAGEMENT OF TRANSBOUNDARY FRESH WATER RESOURCES
    全球变化对跨境淡水资源利用和管理的影响
短句来源
    The fresh water resources around the Bohai Sea area and the ceastal areas'economy
    环渤海地区淡水资源与沿海经济
短句来源
更多       
  fresh
    The research results show that the performance ratio could be increased by 42.6% and the year average fresh water cost could be reduced by 41.3% in comparison with conventional MSF system when the flash steam quotient increased from 0 to be its maximum value 0.743, which proves that the MSF-E system has practical value and applied foreground.
    研究结果表明,与现有MSF装置进行对比,在引出质量份额从0增加到理论最大值0.743时,造水比可提高42.6%,同时年度化平均淡水成本可下降41.3%,证明MSF-E系统有较大的实用价值和应用前景。
    Dynamically Monitoring Fresh Water Resource and Rural Sustainable Development
    淡水资源和农村可持续发展的动态监测
短句来源
    IMPACTS OF GLOBAL CHANGES UPON UTILIZATION AND MANAGEMENT OF TRANSBOUNDARY FRESH WATER RESOURCES
    全球变化对跨境淡水资源利用和管理的影响
短句来源
    The fresh water resources around the Bohai Sea area and the ceastal areas'economy
    环渤海地区淡水资源与沿海经济
短句来源
    Discussing the Sustainable Development of the Fresh Water Resource in Our Country
    对我国淡水资源可持续利用的探讨
短句来源
更多       
  fresh-water
    Talking about the Effective Paths of Solving the Crisis of Fresh-water Resources
    浅谈解决淡水资源危机的有效途径
短句来源

 

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      freshwater
    Effect of Toxic Industrial Pollutants on the Activity and Isoforms of Acid DNase in the Freshwater Snail Viviparus viviparusL.
          
    A preparation of lysozyme from a freshwater bivalve, Unio pictorum, has been isolated by sorption to chitin, and its physicochemical properties have been studied.
          
    Respiration Rate and Species-Specific Lifespan in Freshwater Bivalves of Margaritiferidae and Unionidae Families
          
    We studied changes in the respiration rate in five species of freshwater bivalves as a function of animal age and size.
          
    The longest and shortest lifespan among the studied mollusks was specific for the pearl mussel Margaritifera margaritifera(Ru= 37 kJ and T20= 36 years) and the freshwater mussel Anodonta anatina(Ru= 8 kJ and T20= 8 years), respectively.
          
    更多          
      fresh water
    Bacterial bioluminescence was applied to detection of general toxicity (MIT test) and genotoxicity (SOS-lux test) of some chemicals, seawater, and fresh water.
          
    Studies on Biodiversity in the Plankton, Benthos, and Fish Communities, and the Ecosystems of Fresh Water Bodies Differing in Pr
          
    These changes suggest a significant role of the blood albumin system in adaptation of the Caspian sturgeon migratory species to fresh water life conditions.
          
    Fresh water lenses formed by seepage from irrigation channels
          
    A two-dimensional model of a steady-state fresh water lens, formed above saline water as a result of mole irrigation, is investigated in the hydrodynamic formulation [1].
          
    更多          
      fresh
    Results showed that arbuscular mycorrhizal (AM) inoculation significantly improved the height, stem diameter, and fresh weight of P.
          
    The forest litter layer can be divided into fresh litter layer (L), fermentation layer (F) and humus layer (H), which may represent different litter decomposition stages.
          
    In contrast to those in the soil, the soil animals in the litter layer generally tended to increase in both group abundance and density from the top fresh litter layer to the bottom humus layer.
          
    Compared with non-transgenic plants, the fresh fruit length of T4 generation of transgenic papaya increased 2.6%-5%, and the diameter decreased 0.6%-1.5%.
          
    The flesh thickness of fresh fruit increased 12%-15%, which made it fitter for eating.
          
    更多          
      fresh-water
    Shape of the fresh-water lens resulting from canal seepage
          
    Sulfur Compounds in Bottom Sediments of Fresh-Water Basins (Mouth of the Severnaya Dvina River and Rybinsk Water Reservoir)
          
    Contents and correlations of some trace elements (Sr, Li, F, Ba, and others) indicate that primary sediments formed under humid-semihumid paleoclimate in a fresh-water paleobasin (lagoon) characterized by occasional increase in salinity.
          
    The operation conditions of the inner surface of the long-distance Astrakhan-Mangyshlak fresh-water main and the properties of corrosion deposits on it are considered.
          
    In ornamental carps from the collection of the Experimental Station, All-Russia Research Institute of Fresh-Water Fisheries, fish with a dirty dark tint of body color among orange and white fish were found.
          
    更多          


    This paper discusses two problems: one is how to develop fresh water resources and how to get rid of the shortage of fresh water; the other is the reasonable utilization and development of the land resources in accord with the characteristies of land-area of the isles,

    文章探讨两个问题:一是如何开发淡水资源与解决水源不足问题;二是针对海岛陆域资源特点,合理开发利用土地资源问题。

    The paper deals with the physical conditions of the southern Four Lakes in Shan- dong Pronince.As the physical and chemical properties of water in these lakes are suit- able for biota,they become the base of freshwater fish-farming in Shandong.At present, however,the water level is unstable,and the water in the lakes has been polluted severe- ly.These have resulted in the deterioration of the productive and ecological environ- ments of the lakes in varying degrees.According to the physical condition and the...

    The paper deals with the physical conditions of the southern Four Lakes in Shan- dong Pronince.As the physical and chemical properties of water in these lakes are suit- able for biota,they become the base of freshwater fish-farming in Shandong.At present, however,the water level is unstable,and the water in the lakes has been polluted severe- ly.These have resulted in the deterioration of the productive and ecological environ- ments of the lakes in varying degrees.According to the physical condition and the main problems,the author has made some suggestions on how to develop the lakes com- prehensively.

    南四湖理化性质良好,生物资源丰富,是山东省淡水养殖和捕捞的生产基地,但水位不稳定,水污染严重,使湖区生产和生态环境遭到不同程度的破坏。本文根据南四湖的自然条件和现存主要问题,提出综合开发的建议。

    A great deal of depression is distributed over The Huang Huai Hai alluvial plain, based on watersoil condition, they are divided into three types--Sand depression, Salinezedmarshed depression and Salinizated depression. The Bei QiuWa belong the last one.A common characteristic in these depress ions is that drainage of ground water isn't unimpeded .Because there is difference in water Soil conditions, used transform way is different too.The paper Shows that full irrigation for flushing salt play the great role...

    A great deal of depression is distributed over The Huang Huai Hai alluvial plain, based on watersoil condition, they are divided into three types--Sand depression, Salinezedmarshed depression and Salinizated depression. The Bei QiuWa belong the last one.A common characteristic in these depress ions is that drainage of ground water isn't unimpeded .Because there is difference in water Soil conditions, used transform way is different too.The paper Shows that full irrigation for flushing salt play the great role in Salinen-alkali soil transform in Bei QiuWa . Velocity of flushing Salinen is rapid, effect is extremely marked .Flushed salinen content in the lowest part can't be drained a way through ground water.Based on the Situation, the paper poses model about harnessing depression Salined-alkali soil, Which dig a lot of non-complete phreatic water wells to pump salt ground-water to reduce groundwater table to empty out ground starage capaity, then, diverting lower minelization surface water flush salinity in soil.The paper calulated affective radius on single well, quantity of pourings out water, adjustable reserves of ground water and adjustable salinity reserve of ground water.

    低洼盐碱荒地的治理模式是打井完整的浅群井,强行抽出地下咸水,降低地下水位,腾出地下库容、然后引地面淡水淋洗土壤中的盐分。文中估算了单孔井的影响半径,涌水量以及地下水的调节储量和地下水盐分的调节储量。

     
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