Academic literature on the topic 'Natural fresh water'

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Journal articles on the topic "Natural fresh water"

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Freeman, Kris. "Natural Resources. The Future of Fresh Water." Environmental Health Perspectives 109, no. 4 (2001): A158. http://dx.doi.org/10.2307/3454876.

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Drikas, M., J. Y. Morran, C. Pelekani, C. Hepplewhite, and D. B. Bursill. "Removal of natural organic matter - a fresh approach." Water Supply 2, no. 1 (2002): 71–79. http://dx.doi.org/10.2166/ws.2002.0009.

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Natural organic matter (NOM) has been shown to be one of the major parameters that affects water quality and treatment processes. NOM reduces the effectiveness of water treatment by interfering with the flocculation process, makes treatment with activated carbon and membrane filtration less efficient and is a precursor to the formation of disinfectant by-products (DBP). Furthermore, NOM acts as a food source for micro-organisms resulting in bacterial regrowth in distribution systems. These concerns have resulted in the removal of NOM from raw water being of prime concern for water authorities.
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Kumari, Priti. "Conservation of Fresh Water Resources: Natural And Other Concepts." International Journal of Geoinformatics and Geological Science 6, no. 2 (2019): 67–72. http://dx.doi.org/10.14445/23939206/ijggs-v6i2p109.

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KAWAKUBO, Susumu, Hideaki SUZUKI, and Masaaki IWATSUKI. "Catalytic Spectrofluorometric Determination of Ultratrace Molybdenum in Natural Fresh Water." Analytical Sciences 12, no. 5 (1996): 767–71. http://dx.doi.org/10.2116/analsci.12.767.

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Voronovich, Alexander G., Scott W. Abbott, Paul E. Johnston, Richard J. Lataitis, Jesse L. Leach, and Robert J. Zamora. "Ice Sheets and Fresh Water Reservoirs as Natural Dielectric Resonators." IEEE Transactions on Geoscience and Remote Sensing 58, no. 2 (2020): 1392–97. http://dx.doi.org/10.1109/tgrs.2019.2946154.

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Čerňaková, M., and B. M. Ferienčik. "Eutrophication in natural fresh-water ecosystems of the Neusiedler See." Folia Microbiologica 44, no. 5 (1999): 545–52. http://dx.doi.org/10.1007/bf02816258.

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Heimowska, Aleksandra, Magda Morawska та Anita Bocho-Janiszewska. "Biodegradation of poly(ε-caprolactone) in natural water environments". Polish Journal of Chemical Technology 19, № 1 (2017): 120–26. http://dx.doi.org/10.1515/pjct-2017-0017.

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AbstractThe environmental degradation of poly(ε-caprolactone)[PCL] in natural fresh water (pond) and in The Baltic Sea is presented in this paper. The characteristic parameters of both environments were measured during experiment and their influence on the biodegradation of the samples was discussed. The loss of weight and changes of surface morphology of polymer samples were tested during the period of incubation. The poly(ε-caprolactone) was more biodegradable in natural sea water than in pond. PCL samples were completely assimilated over the period of six weeks incubation in The Baltic Sea
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Xue, HanBin, and Laura Sigg. "Cadmium speciation and complexation by natural organic ligands in fresh water." Analytica Chimica Acta 363, no. 2-3 (1998): 249–59. http://dx.doi.org/10.1016/s0003-2670(98)00081-6.

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Lemly, A. D. "Teratogenic Effects of Selenium in Natural Populations of Fresh Water Fish." Ecotoxicology and Environmental Safety 26, no. 2 (1993): 181–204. http://dx.doi.org/10.1006/eesa.1993.1049.

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Wang, Yong Zhou, Hong Hai Huang, Hong Xing Gui, Tao Chen, Fu Quan Zhang, and Ri Zhong Zeng. "Effect of CMCS on Cure Characteristics of Natural Rubber." Advanced Materials Research 402 (November 2011): 606–9. http://dx.doi.org/10.4028/www.scientific.net/amr.402.606.

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The effect of carboxymethyl chitosan (CMCS) as preservation on cure characteristics of nature rubber (NR) was studied, which compared with NR using ammonia water as preservative agent. The results showed that the induction period and optimum cure time of sample N (Ammonia water dosage is 0.15% of the mass of fresh latex), CMCS-1(CMCS dosage is 0.05% of the mass of fresh latex) and CMCS-2(CMCS dosage is 0.1% of the mass of fresh latex) were obviously decreased with the increasing of temperature, corresponding to Arrhenius equation perfectly. The maximum torque was linear dependence on curing te
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Dissertations / Theses on the topic "Natural fresh water"

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Kling, Lara Gates. "Habitat Utilization and Trophic Interactions by Fauna in a Shallow Estuary: Comparisons between Clam Aquaculture and Natural Sites." W&M ScholarWorks, 2012. https://scholarworks.wm.edu/etd/1539617925.

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Aquaculture of the hard clam, Mercenaria mercenaria, has steadily increased in the United States over the past 25 years. In some areas, including along Virginia’s coast, this industry has grown to such a scale that aquaculture systems now exist as agroecosystems within coastal waters. Several features of these aquaculture systems, such as high clam densities and protective mesh netting, may modify the availability of habitat, food, and nutrients and may be expected to affect benthic and nektonic community structure. Few studies, however, have evaluated these effects. We conducted seasonal (May
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Brooke, Sandra Dawn. "A Comparison of Natural and Laboratory Diets for the Culture of Marine Invertebrate Larvae American Oyster, Crassostrea virginica, Queen Conch, Strombus gigas, and Milk Conch, Strombus costatus." W&M ScholarWorks, 1996. https://scholarworks.wm.edu/etd/1539617706.

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Upton, Sally A. "Novel use of a Natural Isotope Signature to Track Recruitment and Evaluate Age Determination Methods for the 2002 Year Class of American Shad in the York River." W&M ScholarWorks, 2008. https://scholarworks.wm.edu/etd/1539617876.

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Blake, Sandra Grace. "Mitochondrial DNA Variation in Natural and Cultured Populations of the Bay Scallop, Argopecten irradians (Lamarck) and the Calico Scallop, Argopecten gibbus (Dall)." W&M ScholarWorks, 1994. https://scholarworks.wm.edu/etd/1539617667.

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Hewitt, David A. "Natural mortality of blue crab : estimation and influence on population dynamics /." W&M ScholarWorks, 2008. http://www.vims.edu/library/Theses/Hewitt08.pdf.

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Tillotson, Kathryn Helen. "Campaigns, perceptions, and consumption| A mixed methods study of fresh water management in the inland Northwest." Thesis, Washington State University, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=3717503.

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<p> Dwindling freshwater resources are one of the largest challenges facing countries worldwide. For regional and local governments the task of managing fresh water resources falls the hardest. Reduced water quantity directly impacts water quality and thus preventing further depletion of freshwater levels is necessary for meeting existing and forth coming water quality regulations. Thus, finding effective ways to better understand water use at the local or regional level and better ways of communicating pressing water management issues with water users is imperative to the longevity of freshwa
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Rook, Megan Ann. "Mortality of Diamondback Terrapins in Blue Crab Traps: Population Changes and Conservation in Southeastern Virginia." W&M ScholarWorks, 2009. https://scholarworks.wm.edu/etd/1539626881.

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Freedman, Matthew Ryan. "Distribution and Impacts of Invasive Bivalve Corbicula fluminea in Tidal Freshwater York River Tributaries." W&M ScholarWorks, 2013. https://scholarworks.wm.edu/etd/1539617940.

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The Asian clam, Corbicula fluminea, is one of the most invasive bivalves in the world but there is limited research on its presence in tidal freshwater systems. Despite its introduction into Chesapeake Bay tributaries in the 1970s, the initial colonization and subsequent development of populations of C. fluminea in the Mattaponi and Pamunkey sub-tributaries of the York River, Virginia, is mostly undocumented. This study assessed the spatial distribution and population structure of C. fluminea in tidal freshwater sections of these rivers (~45km) with benthic surveys during summer 2011 – 2012. B
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Stickler, Shawn Michael. "Natural dermo resistance and related defense mechanisms in eastern oysters, Crassostrea virginica, with implications for restoration." W&M ScholarWorks, 2004. https://scholarworks.wm.edu/etd/1539616864.

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American oyster (Crassostrea virginica) stocks on the East Coast in general, and in Chesapeake Bay in particular, have been in decline over the past half-century in large part due to Dermo disease, caused by the protist parasite Perkinsus marinus. Efforts to restore oysters for their ecological and economic value have centered on the development and use of hatchery-based seed selectively bred for disease resistance. Selective breeding could benefit from the incorporation of oysters from wild stocks that have developed "natural Dermo resistance", but few such stocks have been identified and ver
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Marshall, Livingston Sinclair Jr. "Survival of juvenile queen conch, Strombus gigas, in natural habitats: Impact of prey, predator and habitat features." W&M ScholarWorks, 1992. https://scholarworks.wm.edu/etd/1539616765.

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In this dissertation, I experimentally examine predation-induced mortality upon juvenile queen conch, Strombus gigas, and assess the importance of select habitat predator and conch characteristics affecting predation intensity. Experiments were conducted during the summer and early fall of 1987, 1988, 1990 and 1991 in seagrass beds and adjacent sand flats near Lee Stocking Island, Exuma Cays, Bahamas. These experiments indicate that various factors act interactively to produce habitat-specific mortality rates in queen conch due to predation. These include (1) habitat type, whereby seagrass bed
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Books on the topic "Natural fresh water"

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Canada. Natural Resources Canada. Freshwater: The role and contribution of Natural Resources Canada. Natural Resources Canada, 2005.

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The ripple effect: The fate of fresh water in the twenty-first century. Scribner, 2011.

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Power, United States Congress Senate Committee on Energy and Natural Resources Subcommittee on Water and. Projects on fresh waters in Hawaii: Hearing before the Subcommittee on Water and Power of the Committee on Energy and Natural Resources, United States Senate, One Hundred Third Congress, second session, on S. 2115, a bill to amend the Federal Power Act to remove the jurusdiction [sic] of the Federal Energy Regulatory Commission to license projects on fresh waters in the state of Hawaii, July 8, 1994. U.S. G.P.O., 1995.

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Zim, Herbert S. Fishes: A guide to fresh- and salt-water species. St. Martin's Press, 1987.

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Florida. Legislature. Senate. Committee on Natural Resources and Conservation. A review of the Department of Natural Resources, the Department of Environmental Regulation, the Game & Fresh Water Fish Commission, the Department of Community Affairs, Division of Resource Planning & Management: Prepared in accordance with senate rule no. 2.2 and section 11.143(1), Florida statutes. The Committee, 1986.

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Shrestha, Tej Kumar. Resource ecology of the Himalayan waters: A study of ecology, biology, and management strategy of fresh waters. Curriculum Development Centre, 1990.

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Martyn, Rix, and Hurst Jacqui, eds. Freshwater fish of Britain, Ireland and Europe. Pan, 1985.

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Dunn, John M. Drying Up: The Fresh Water Crisis in Florida. University Press of Florida, 2019.

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Organic Compounds in Natural Waters: Analysis and Determination. CRC Press, 2013.

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United Nations. Economic and Social Commission for Asia and the Pacific., ed. Guidelines on strategic planning and management of water resources. United Nations, 2004.

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Book chapters on the topic "Natural fresh water"

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Putra, Santosa Sandy, Arifin Fahmi, and Kitso Kusin. "Natural Wet Ponds’ Role as Fresh Water Storage in Tropical Environment." In Encyclopedia of the UN Sustainable Development Goals. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-319-70061-8_158-1.

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Wang, Xiao Xiang, Lei Xie, Cheng Luo, and Ri Zhi Wang. "Natural Nacre Coatings on Titanium Implant Grown by Fresh Water Bivalve Shell." In Bioceramics 18. Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-992-x.743.

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Zaccaroni, Annalisa, and Dino Scaravelli. "Toxicity of Fresh Water Algal Toxins to Humans and Animals." In Algal Toxins: Nature, Occurrence, Effect and Detection. Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-8480-5_3.

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"Natural and Cultivated Food of Fresh-Water Fishes *." In Weed Control Methods for Public Health Applications, edited by Edward O. Gangstad. CRC Press, 2018. http://dx.doi.org/10.1201/9781351077699-23.

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Boisson de Chazournes, Laurence. "Dispute Settlement and Fresh Water." In Fresh Water in International Law. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780198863427.003.0007.

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The resolution of disputes related to issues of fresh water scarcity, degradation, and access to water are evident in practice. There is a staggering diversity of institutions with judicial or quasi-judicial authority over these matters, as well as diplomatic means which can help settle these various disputes. A trend towards variation and multiplication of available mechanisms for resolving water-related disputes can be observed. As a consequence of both inter-state and mixed-party disputes concerning water, international courts and tribunals have amassed growing bodies of decisions in water law, and their reliance on the case law of other jurisdictions suggests an evolving harmonization in this field. This cross-fertilization among traditional dispute settlement bodies has progressed concurrently with the development of novel procedures tailored to the uniquely collective interests at stake in natural resource disputes.
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Boyle, Alan, and Catherine Redgwell. "10. International Watercourses: Environmental Protection and Sustainable Use." In Birnie, Boyle, and Redgwell's International Law and the Environment. Oxford University Press, 2021. http://dx.doi.org/10.1093/he/9780199594016.003.0010.

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This chapter turns to issues related to fresh water. Fresh water is a finite resource and the more we pollute it, the more issues we have with its use. A sustainable supply of fresh water is vital to life. Historically, international water law was not particularly concerned with environmental problems. This chapter talks of ‘international watercourse’ which is a convenient designation for rivers, lakes, or groundwater sources shared by two mor more states. The law of international watercourses has for most of its history been concerned with the allocation and use of a natural resource of international significance, not with its conservation or environmental protection. While it can be asserted with some confidence that states are no longer free to pollute or otherwise destroy the ecology of a shared watercourse to the detriment of their neighbours or of the marine environment, definitive conclusions concerning the law in this area are more difficult to draw.
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Stephen C, McCaffrey. "Part I Introduction, 1 Human Use of Fresh Water and the Era of Water Scarcity." In The Law of International Watercourses. Oxford University Press, 2019. http://dx.doi.org/10.1093/law/9780198736929.003.0001.

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This introductory chapter discusses the importance of water to humans, its growing scarcity relative to human populations, and, consequently, the increasing potential for water-related conflicts between States. Humans are straining the limits of a resource essential to their survival. Moreover, humans are capable of altering natural conditions to the point that their neighbors are deprived of fresh water they need and have historically relied upon. While international law plays an important role in resolving conflicts between states, it can play an even more valuable role in preventing them, in establishing conditions that are conducive to cooperation among states sharing freshwater resources. Indeed, cooperation is itself a logical outgrowth of rules of international law applicable in this field.
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Yudelman, M. "Water and Food in Developing Countries in the Next Century." In Feeding a World Population of More Than Eight Billion People. Oxford University Press, 1998. http://dx.doi.org/10.1093/oso/9780195113129.003.0010.

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The world’s supply of water is fixed. It is estimated that 97% of the world’s water exists in the oceans, 2.2% exists as ice and snow, mostly in the polar regions, and only about 0.7% of the total supply is the freshwater that sustains mankind, including the global agricultural system. This quantity of freshwater — around 40,500 km3 — which is the difference between precipitation and evapotranspiration, is continuously replenished by nature’s hydrological cycle. Most climatologists and hydrologists agree that there is no natural process short of climate change, especially global warming, that can increase the world’s rainfall and so the supply of freshwater. The greater the warming, the larger the expected increase in precipitation. One “simple level of analysis” suggests that global warming of 30° C could well lead to a 10% increase in evaporation and an average increase in precipitation of 10%. The biggest increases would be at high latitudes, smaller increases would occur close to the equator (Gleick, 1992). The weight of evidence suggests that this is unlikely to happen within the next several decades (Rosenzweig, 1994). It is an open question, though, as to what might happen in the second half of the next century. There are some manmade processes that can increase the supply of fresh water. One of the most important of these is the conversion of saline water from the ocean into fresh water by removing salt through desalinization or by filtration. Thus far, however, the processes that have been developed are highly energy intensive and costly; the plants presently in operation are mostly in the oil-rich, water-poor nations of the Persian Gulf. It is estimated that there are more than 11,000 desalting plants operating worldwide, but together they produce less than 0.2% of the world’s total fresh water (Postel, 1991). The costs of desalting sea water range currently from about $0.80 to $1.60 m-3, and costs of treating brackish water are about $0.30 m -3, well above the costs of fresh water used for irrigation (Wolf, 1996).
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Kneeland, Timothy W. "Agnes Makes Landfall." In Playing Politics with Natural Disaster. Cornell University Press, 2020. http://dx.doi.org/10.7591/cornell/9781501748530.003.0003.

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This chapter focuses on Hurricane Agnes, which struck the United States in June of 1972 and affected the lives of tens of thousands of people from Florida to New York. The thirty-two trillion gallons of water that fell on New York and Pennsylvania caused devastation that left buildings and homes in ruins and property damage estimated to be in the billions of dollars. The flood also left some people homeless and some without electrical power, telephones, fresh drinking water, or sewers. Many were isolated from the outside world as roads and bridges collapsed or buckled due to flooding. Survival was the goal of the communities during the first seventy-two hours of the disaster. Political and economic recovery became the focus of civic leaders in the weeks after, but the trauma of that summer also called for psychological healing. Mired in mud and misery, bereft of property and employment, the people of New York and Pennsylvania looked to their local, state, and federal governments for help and answers.
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Ara, Tabassum, Rafia Bashir, Hamida-Tun-Nisa Chisti, and Tauseef Ahmad Rangreez. "Wastewater Pollution From the Industries." In Advanced Treatment Techniques for Industrial Wastewater. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-5754-8.ch007.

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Water is one of the most precious natural resources of the earth, without which the living beings cannot survive. Water is important for the sustenance of human civilization. Man uses water for many purposes like drinking, cleaning, washing, bathing, heating, rearing cattle, and farming. Mankind, for the bettering of themselves and society, advanced towards industries and industrial products. But this progress towards industrialization not only utilizes huge amounts of fresh water, but returns water to the environment with pollutants, which changes its natural quality. Thus, mankind is heading towards misery, instead of comfort. Effective measures need to be taken to prevent, minimize, and control water pollution before it becomes too late.
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Conference papers on the topic "Natural fresh water"

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Aflanie, Iwan, Rizki Noor Amalia, Siti Raihanati, et al. "Lung peroxidative index in mouse models drowning in fresh water." In INTERNATIONAL CONFERENCE ON BIOINFORMATICS AND NANO-MEDICINE FROM NATURAL RESOURCES FOR BIOMEDICAL RESEARCH: 3rd Annual Scientific Meeting for Biomedical Sciences. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5110014.

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Shinde, Vidhya, Rajveer Shastri, Arnab Das, Yashwant Joshi, Suhas Gajre, and Shankar Deosarkar. "Analysis of adaptive filtering techniques for fresh water dolphin signals in their natural habitat." In OCEANS 2016 MTS/IEEE Monterey. IEEE, 2016. http://dx.doi.org/10.1109/oceans.2016.7761344.

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Kuntari and Matkli Dimas Astrianto Saputro. "Utilization of iron oxide coated natural zeolite for the removal nitrate from fresh water." In PROCEEDINGS OF THE 3RD INTERNATIONAL SEMINAR ON METALLURGY AND MATERIALS (ISMM2019): Exploring New Innovation in Metallurgy and Materials. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0004542.

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Vyšvařil, Martin, and Patrik Bayer. "Cellulose ethers as water-retaining agents in natural hydraulic lime mortars." In The 13th international scientific conference “Modern Building Materials, Structures and Techniques”. Vilnius Gediminas Technical University, 2019. http://dx.doi.org/10.3846/mbmst.2019.014.

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Cellulose ethers (CEs) are commonly used as viscosity enhancing, water retaining agents in cement-based mortars. Nevertheless, studies about the effect of CEs on the properties of natural hydraulic lime-based mortars (NHL) are absent, although the use of mortars with hydraulic lime is often preferred for renovation purposes. In this study, the behavior of NHL mortars modified by four different CEs is assessed. The fresh state of mortars was characterized by water retention, air content, density a consistency. Hardened mortars were submitted to strength determination, study of pore size distrib
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Yermenbay, Аray, Lyudmila Shagarova, Мalis Absametov, and Sergey Osipov. "PROSPECTS OF WATER SUPPLY WITH FRESH GROUNDWATER UNDER ANTHROPOGENIC IMPACT CONDITIONS." In GEOLINKS International Conference. SAIMA Consult Ltd, 2020. http://dx.doi.org/10.32008/geolinks2020/b1/v2/29.

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The role of water resources at the present stage of human development becomes more and more significant every year and, actually, just the availability of water resources of required quality limits the further production force growth, city enlargement and the improvement of living standards and industry and agriculture development. The water supply deficit reduction and the water supply level increase are some of the priority national objectives, which are also related to the international obligations of the Republic of Kazakhstan. The prospects for fresh groundwater supply under anthropogenic
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Fuad, Muhammad Raihan, Desti Octavianthy, and Widodo Wahyu Purwanto. "Techno-economic analysis of natural gas-fired microgrid for electricity, fresh water, and cold storage in rural area." In THE 11TH REGIONAL CONFERENCE ON CHEMICAL ENGINEERING (RCChE 2018). Author(s), 2019. http://dx.doi.org/10.1063/1.5095006.

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PAULIKIENĖ, Simona, Algirdas RAILA, and Egidijus ZVICEVIČIUS. "THE IMPACT OF ENVIRONMENTAL PREVENTION MEASURES FOR QUALITY OF FRESH CARROTS." In RURAL DEVELOPMENT. Aleksandras Stulginskis University, 2018. http://dx.doi.org/10.15544/rd.2017.063.

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In recent years there is an increase in consumption of food products and the supply of fresh vegetables to the consumer is getting more and more popular. However, this group of products is among the fastest perishing products. It is because of environmental and internal factors in vegetables during storage are unavoidable. During the preparation for the market vegetables are being cleaned, washed, sanded, sorted and dried. This consumes a lot of energy and water. Different technological measures are used to reduce the consumption of natural resources during the preparation of products for the
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Crommelin, Gulian A. K., and Walter F. Crommelin. "Nuclear Desalination the Small and Peaceful Way." In ASME Turbo Expo 2004: Power for Land, Sea, and Air. ASMEDC, 2004. http://dx.doi.org/10.1115/gt2004-53337.

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This study is about a much discussed and recommended application of a nuclear gas turbine and was undertaken at the request of many visitors to the Nuclear Gas Turbine stand at the ASME IGTI 2002 in Amsterdam. Apparently, the specifications of the NEREUS plant led their thoughts to small-scale energy production combined with fresh water production. This thought fits well into the basic idea that: Energy equals Electricity, Heat and Fresh Water. The NEREUS project is a non-profit organisation seeking to expand the use of Small Scale Nuclear Power Generation. This paper discusses the possibiliti
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Huzayyin, O. A., M. S. El Morsi, M. A. Serag-Eldin, and M. F. El-Bedaiwy. "Prototype for Solar Powered Chip-Ice Production Facility." In ASME 2017 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/imece2017-72510.

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Fishermen in highly isolated communities like Shallatin and Halayeb (Southern Egypt) suffer from the fouling of their catch before reaching the markets, due to the prevailing high ambient temperatures. Thus, they resort to block or crushed ice to cool their catch. Since fresh water is unavailable naturally, energy is needed to produce the fresh water from sea water, as well as to operate the chiller for ice production. Hence, employing solar energy as the sole source of energy for manufacturing ice, and producing the ice straight from saline water provides independence from both the electric g
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Fresco, Anthony N. "Solute Ion Linear Alignment as the Energy Source to Address Aquifer Depletion Fresh Water Scarcity and Sea Level Rise." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-65930.

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There are reports in the literature that the lives of 4 billion people are at risk either now or in the foreseeable future, and including even 130 million US citizens, mostly in the western states of California and surroundings and in Texas and Florida as being subject to water scarcity primarily due to depletion of aquifers and ground water and losses due to evaporation. 1, 2, 3 At the same time, according to the National Oceanic and Atmospheric Administration (NOAA), there is strong evidence that global sea level is now rising at an increased rate and will continue to rise during this centur
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