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Water pressure fluctuation protection, automatic controller regularly flushes pre-filter material;IC microcomputer controller automatically rinses the reverse osmosis membrane, and automatically monitors water quality;Small footprint, low energy consumption, no polluti...
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The resulting powder was processed in filter bags (ANKOM Technology, Macedon, NY, USA), lipids and sugars were extracted by washing with toluene:ethanol (2:1) and DI water. Samples were bleached in an ultrasonic cleaner with an aqueous sodium chlorite/glacial acetic acid solution, rinsed with...
The operation costs (Co) and maintenance costs (Cm) include the costs associated with the use of reagents for disinfection, the costs of electrical energy, costs associated with the replacement of filter materials and maintenance of biological modules and costs associated with the monitoring of treat...
Here we demonstrate how one such tool, the WWF Water Risk Filter (WRF), combined with geospatial analysis, can be used to screen for a variety of risks at a global scale, including risks to riverine ecosystems from both climate change and hydropower, as well as risks to hydropower projects...
(Auringer et al 2023), providing many ecological and cultural benefits. Due to their long evolutionary history, surviving at least four mass extinction events, they are an excellent candidate species to investigate vertebrate evolution. Burrowing larval lamprey filter water and sediment, keeping rivers...
Olympus combats that with a rather ingenious technology. A “SuperSonic Wave Filter vibrates with a frequency of 35,000 times a second to remove any dust and other stuff that might have settled on the sensor. You're reminded of that every time you turn the camera on via its large on/of...
followed by the addition of 15 ml hydrogen peroxide (30 wt.%) until the solution became orange–brown. The resulting solution was filtered and washed with 200 ml hydrochloric acid (3.7 wt.%) for 12 h. The derived filter cake was dispersed in de-ionized water, and the obtaine...
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