China said the raids were carried out in an effort to "purify the network environment".
Some enthusiasts have even learned to purify their own cocaine, using acetone and coffee filters.
Scientists inactivate the virus with formaldehyde and purify the liquid of cellular debris.
Ocean water pours through a series of pipes into rows of reverse osmosis filters which purify the water.
And when they do need to use "bitter money, " the Luo purify the cash in a formal ritual.
The miners have been sent rubber boots as well as chlorine to purify water from underground sources, Manalich said.
So the scientists extract the antigens from tumors, purify them, multiply them and then inject them into the patient.
Support is from local bands Bet It All In Vegas, the newly formed Molly Leigh, and Purify The Fallen.
In Bekaa Valley, Mercy Corps has distributed hygiene kits, tablets to purify water, buckets and jerry cans to refugees.
These groups will spend the next five years developing better and cheaper methods to produce, purify and crystallise proteins.
The website HowStuffWorks has a fascinating article about RISUG that covers its genesis as a method to purify drinking water.
Mayan priests say they will purify the sacred archaeological site to rid it of any "bad spirits" after Bush is there.
Their discovery was a painstaking process: She had to purify samples down to a single microorganism, a step that took eight months.
One of the most notable innovations: the development of a new catalyst material to purify exhaust from diesel or other lean-burning engines.
Several previous attempts to purify bone marrow for sickle-cell transplants have failed.
Even today, wrestlers scatter a handful of salt to purify the ring and clap their hands to call the gods before every match.
From that massive payload of jellyfish, it would be possible to purify perhaps a few hundred milligrams of the glowing proteins for study.
The genes secrete recombinant protein, which the researchers purify and pass off to two partners in Brazil FIOCRUZ and Instituto Butantan which manufacture the vaccines.
After the lower castes collect as much grain as they can carry away, the benefactors will "purify" the temple by washing it with milk.
To the long list of great ideas gone bad, add the UV Waterworks--a simple, cheap device to purify filthy drinking water in poor countries.
Cost, it adds, has been the biggest obstacle to development, noting that it is much more expensive to purify seawater than it is to treat fresh water.
FORBES: San Diego Fishing for Fresh Drinking Water in Pacific Ocean
Iraq cannot pump as much oil as the agreement allows it to sell, and though it now has a bit more food, it cannot purify its water.
But its samples were collected in July, in the low season for tourism and at the start of the monsoon when rain would help to purify the water.
Another local startup is Epiphany Solar Water Systems, who invented the Epiphany E3H, a fully sustainable and cost effective invention that can purify water anywhere in the world.
It combines a dehumidifier with a water purifier, to essentially suck the moisture from the air and, instead of discarding it as one normally would, purify it to make it potable.
ENGADGET: Dehumidifier + water purifier = Air2Water potable water device
Representative DIANE WATSON (Democrat, California): What they're doing is trying to purify the race when they agreed through the Department of Interior that they would include in their Nation all their former slaves.
Mudiyettu performers purify themselves through fasting and prayer, then draw a huge image of goddess Kali, called as kalam, on the temple floor with coloured powders, wherein the spirit of the goddess is invoked.
His job is to identify the bad spirits that are attaching themselves to the juus (soul) of a person, and by placing himself in a trance he is able to purify the afflicted soul.
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