Results 81 to 90 of about 3,979,529 (235)
A New Device to Measure the Transparency of Water in the Fish-Culture-Pond
NIPPON SUISAN GAKKAISHI, 1954 In the case of the fish-culture-pond we have hitherto no appropriate direct method to measure and denote the amount of phytoplankton which plays an important role upon the productivity of the pond. Although the fact that the close relation exists between the water transparency measured by the Sccchi disk and the amount of seston is well known, such a ...
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Horticulturae, 2018 Aeroponics is a relatively new soilless culture technology which may produce food in space-limited cities or on non-arable land with high water-use efficiency.
Qiansheng Li +3 more
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Six Collective Challenges for Sustainability of Almería Greenhouse Horticulture [PDF]
, 2019 Globally, current food consumption and trade are placing unprecedented demand on agricultural systems and increasing pressure on natural resources, requiring tradeoffs between food security and environmental impacts especially given the tension between ...
Alba Patiño, Daniela +19 more
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Materiality in the future of history: things, practices, and politics [PDF]
, 2009 Frank Trentmann is professor of history at Birkbeck College, University of London. From 2002 to 2007, he was director of the £5 million Cultures of Consumption research program, cofunded by the Arts and Humanities Research Council and the Economic and ...
Armstrong +88 more
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, 2022 Controlling water, from its collection, storage and distribution, has historically been one of the greatest achievements of humankind in order to settle in a place. Furthermore, if the territory was of a desert-like nature, this accomplishment turned into a feat.
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SHS Web of Conferences, 2016 This paper is intended to help lay the groundwork for the formulation and design of programs and materials for environmental education focused on water issues and based on the perspective of the new water culture and ecosystem services.
Pérez José Gutiérrez +1 more
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Next Generation Microbiology Requirements [PDF]
, 2012 As humans continue to explore deep into space, microorganisms will travel with them. The primary means to mitigate the risk of infectious disease are a combination of prudent spacecraft design and rigorous operational controls. The effectiveness of these
Castro, V. A. +4 more
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Applied and Environmental MicrobiologyThe European Directive 2020/2184 concerning the quality of water for human consumption now includes Legionella among the pathogens for assessment in domestic water systems.
Maria Scaturro +67 more
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Fish growth parameters and their monitoring [PDF]
, 2012 Recent studies have predicted that fish consumption in developing and developed countries will increase by 57 percent and 4 percent, respectively. Rapid population growth, increasing affluence and urbanization in developing countries are leading to ...
Divu, D +2 more
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The Pluralistic Water Research Concept: A New Human-Water System Research Approach
, 2017 The use and management of water systems is influenced by a number of factors, such as economic growth, global change (e.g., urbanization, hydrological-climatic changes), politics, history and culture.
M. Evers +4 more
semanticscholar +1 more source