PROBLEM TO BE SOLVED: To provide a chlorine dioxide gas generator pack, that is appropriate for being taken along, for areas where sterilization, disinfection, and deodorant are necessary, and to provide a manufacturing method and a preservation method thereof.SOLUTION: The chlorine dioxide gas ...
Namely, oxygen concentration (0.75%) and 3 min of exposure to a plasma source operating in a helium/oxygen gas mixture (99.25%:0.75%) resulted in 99.9% reduction of MS2, additionally, increasing the time to 9 min resulted in >7 log inactivation. Moreover, interesting results of pre-...
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Untreated wood pulp has a brownish colour and is often bleached to make it white. Pulp can be bleached with chlorine or chlorine compounds, as well as with oxygen or hydrogen peroxide. Sappi pioneered the Sapoxal oxygen bleaching process. This world first is now an industry standard. ‘Elemen...
Do you like explosions, fire, or chemical reactions? Who knew science could be this much fun? Get a degree at Wonder How To with these education how-to videos. Learn how to create hot ice, make things glow in the dark or become a human calculator. Spee
Planning ahead can simplify meal preparation on busy evenings, while helping to save the costs of going out to dinner or ordering takeout. Keep leftover bits of carrots, celery, onions and potatoes to make a tasty soup stock -- just add meat or noodles. Pasta dishes like lasagna and chick...
Methods of treating water to make it safe for drinking include: Boiling: Bring water to a boil for one to three minutes to kill viruses, bacteria, and parasites. Let the water cool for a few hours before drinking. Adding disinfectants: You can add a small amount of unscented household liqu...
Reaction to Make Aqua Regia Here is what happens when nitric acid and hydrochloric acid are mixed: HNO3(aq) + 3HCl (aq) → NOCl (g) + 2H2O (l) + Cl2(g) Over time, nitrosyl chloride (NOCl) will decompose into chlorine gas and nitric oxide (NO). Nitric acid auto-oxidizes into nit...
This image of the air pollution over China might make anyone faint of heart. Image courtesy of NASA Our bodies can't run without oxygen. All of our cells need it, and they rely on our lungs and heart to deliver it. Every breath we take brings oxygen into our lungs, and ...
Iceland is home to shield volcanoes like Theistareykjarbunga, too, which have a convex shape, a broad top, and a flat layer of earth that make it look like a warrior's shield. Iceland's active volcanoes erupt every four or five years, accounting for about one-third of the lava ...