Results 61 to 70 of about 2,138,066 (306)

Water and sediment quality characteristics of medium saline traditional shrimp culture system (bheri)

open access: yesJournal of Fisheries, 2016
Quality of water in shrimp culture ponds depends on several physical, chemical and biological processes. In this study, the physico-chemical characteristics of water and sediment samples from inlet, pond and outlet of a traditional shrimp culture pond ...
Leesa Priyadarsani   +1 more
doaj  

Assessment of the impact of traditional septic tank soakaway systems on water quality in Ireland [PDF]

open access: yesWater Science and Technology, 2014
One of the key threats to groundwater and surface water quality in Ireland is the impact of poorly designed, constructed or maintained on-site wastewater treatment systems. An extensive study was carried out to quantify the impact of existing sites on water quality.
Keegan, Mary   +8 more
openaire   +5 more sources

The First Step in Solar Hydrogen Production: Development of a Solar Thermal Reactor for the Reduction of Metal Oxide Particles [PDF]

open access: yes, 2013
A solar thermal reactor has been designed to experimentally investigate promising paths for reducing metal oxide particles to reduced oxidation states (e.g. Fe2O3 to Fe3O4) utilizing concentrated solar energy.
Fosheim, Jesse, Schrader, Andrew
core   +2 more sources

The First Spectrum of the Coldest Brown Dwarf

open access: yes, 2016
The recently discovered brown dwarf WISE 0855 presents our first opportunity to directly study an object outside the Solar System that is nearly as cold as our own gas giant planets.
Allers, Katelyn   +8 more
core   +2 more sources

Enzymatic degradation of biopolymers in amorphous and molten states: mechanisms and applications

open access: yesFEBS Open Bio, EarlyView.
This review explains how polymer morphology and thermal state shape enzymatic degradation pathways, comparing amorphous and molten biopolymer structures. By integrating structure–reactivity principles with insights from thermodynamics and enzyme engineering, it highlights mechanisms that enable efficient polymer breakdown.
Anđela Pustak, Aleksandra Maršavelski
wiley   +1 more source

Vehicle-mounted Water Spray Fire Extinguishing System in Underground Coal Mines

open access: yesMeikuang Anquan, 2020
This paper points out the shortcomings of traditional vehicle-mounted fire extinguishing system in underground coal mines. The advantages and disadvantages of water spray fire extinguishing system are analyzed, and the feasibility of vehicle-mounted ...
WANG Liwei
doaj   +1 more source

Biomass production from water Kefir in a traditional cultivation system

open access: yes, 2022
O Kefir é um alimento probiótico originário da região do Cáucaso que se popularizou devido seus diversos benefícios a saúde e potencial biotecnológico. Essas propriedades advêm das atividades biológicas já comprovadas, destacando-se, antimicrobiana, anticâncer, antidiabética, modulação da microbiota intestinal, bem como, benefícios ao trato ...
Santos Júnior, José Antonio dos   +5 more
openaire   +1 more source

EMMI - Electric Solar Wind Sail Facilitated Manned Mars Initiative [PDF]

open access: yes, 2015
The novel propellantless electric solar wind sail concept promises efficient low thrust transportation in the Solar System outside Earth's magnetosphere.
Janhunen, Pekka   +2 more
core   +1 more source

Understanding bio‐based polymers: A study of origins, properties, biodegradation and their impact on health and the environment

open access: yesFEBS Open Bio, EarlyView.
This review provides an overview of bio‐based polymer sources, their unique functional properties and their environmental impact, and addresses their role as sustainable alternatives. It discusses end‐of‐life options, including composting and anaerobic digestion for renewable energy.
Sabina Kolbl Repinc   +8 more
wiley   +1 more source

Research on Traditional Human Settlement Environment System in the Three-North Plain Driven by Water Conservancy Construction

open access: yesFengjing Yuanlin
ObjectiveThe Three-North Plain is situated at the estuary of Hangzhou Bay, which represents one of the most active regions in China with regard to water conservancy construction in the southeast coastal region of China. During the traditional period, the
Yingxue MA, Wei GUO
doaj   +1 more source

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