A simple, energy-saving vacuum filtration apparatus was successfully devised and applied in both a teaching laboratory for chemistry experiments undertaken by students and a scientific research ...

We demonstrate a compact fully tunable narrowband fourth-order pole-zero optical filter that is fabricated in a silicon complementary-metal-oxide-semiconductor foundry. The filter is implemented using ...

Shaping for pass band is a kind of feature of the recursive MTI filter, and design of second order recursive MTI filter for the recursive MTI filter possesses of typical significance. This paper ...

Abstract This study evaluated the use of Moringa oleifera (MO) seed as a natural coagulant for the removal of turbidity and apparent color in the water treatment with low initial turbidity through the ...

While the seven-cup Culligan ZeroWater pitcher is on sale for under $20 on National Hydration Day, snag one for home and one ...

The reverse osmosis water treatment system is supposed to filter forever chemicals, or PFAs, from the water supply. Forever chemicals, which are linked to a variety of chronic illnesses, were ...

Qorvo offers two S-band switched filter bank (SFB) modules that enhance frequency agility and spectral control in defense and aerospace radar systems. The QPB1034 and QPB1036 integrate bulk acoustic ...

The best water filter jugs should improve the taste of tap water by reducing chlorine, microplastics and heavy metals. They're also designed to be easy to use and pour smoothly, whether you're filling ...

Koraput: With water-borne diseases raising their ugly head during monsoon every year, the Rayagada district administration is working towards ensuring zero casualty from cholera and diarrhoea. A ...

The MINI filter removes 7 log (99.99999%) of all bacteria (like salmonella) as well as other harmful bacteria which causes cholera, Leptospirosis, and E. coli and 6 log (99.9999%) of all protozoa ...

The best water filter pitchers can remove harmful contaminants, make your water taste better and give you peace of mind. Here ...

CLEANR’s filters are listed for $299 on the company’s website, and are set to begin shipping July 2025. CLEANR is also working on home water products—think filtered showers and faucets.