Sentences with phrase «more bromine»

For example, «we always knew there is more bromine in the stratosphere than we could account for.»

Not exact matches

Although chlorine levels are falling, thanks to agreements that banned chlorofluorocarbons, levels of bromine — which is 45 times more effective at zapping ozone — are still rising, says atmospheric chemist Dale Hurst of the National Oceanic and Atmospheric Administration in Boulder, Colorado.

Their method was more sensitive and had a higher resolution than standard techniques, and they mainly detected the bromine - containing molecules in the perinuclear region and showing spot - like distribution.

Greenpeace reports that in three cases bromine was present in more than one percent of the total surface chemical composition of the material tested, prompting the environmental organization to conclude that there was «continued widespread use of either additive or reactive brominated flame retardants.»

Other compounds, especially the more reactive bromine compounds, can be made naturally, however.

Short - lived bromine compounds naturally released from the ocean surface, however, have a more pronounced impact on ozone than their short - lived industrial cousins.

While it pays lip service to things like timber, the museum focuses primarily on petroleum and bromine, more of which is produced in Arkansas than anywhere else in the world.

However, unlike caffeine, the bromine and polyphenols seem to stimulate the brain's reward mechanism more strongly.

I found one company that has a natural cleaner but it is $ 1000's more than bromine over the course of a couple years (hubby's calculations)

Iodine, as Lugol's 5 %, much more than 1mg / day is needed to counteract environmental poisons - toxins such as radiation, bromine - fluorine - chlorine in everything.

It provides a large amount of iodine, a mineral that many of us need more of today due to the prevalence of iodine adversaries — bromine, chlorine, and fluoride.

At 12.5 mg / day, it can take a year or more to become replete with iodine in all tissues and to fully drive out other halogens, such as bromine, from the body.

... This brings up the nightmarish thought that if the chemical industry had developed organobromine compounds instead of the CFCs — or alternatively, if chlorine chemistry would have run more like that of bromine — then without any preparedness, we would have been faced with a catastrophic ozone hole everywhere and at all seasons during the 1970s, probably before the atmospheric chemists had developed the necessary knowledge to identify the problem and the appropriate techniques for the necessary critical measurements.

Measurements show that depletion of the ozone layer steadily worsened during the 1980s and most of the 1990s, but more recently as atmospheric amounts of chlorine and bromine have stabilized, a further worsening of ozone depletion appears to have been avoided.

An advanced hydrogen - bromine flow battery could make renewables like wind and solar more profitable and widespread.

The conclusion is based on a finding that bromine and iodine oxide, natural chemicals produced by sea spray and emissions from microscopic sea organisms, destroyed ozone in the atmosphere west of equatorial Africa — destroyed 50 % more ozone than than expected.

Bromine compounds are roughly an order of magnitude more destructive of the ozone layer.

``... the nightmarish thought that if the chemical industry had developed organobromine compounds instead of the CFCs — or alternatively, if chlorine chemistry would have run more like that of bromine — then without any preparedness, we would have been faced with a catastrophic ozone hole everywhere and at all seasons during the 1970s, probably before the atmospheric chemists had developed the necessary knowledge to identify the problem and the appropriate techniques for the necessary critical measurements.

Bromine, the ozone - depleting element found in methyl bromide, is nearly 60 times more...

Bromine, the ozone - depleting element found in methyl bromide, is nearly 60 times more effective at destroying ozone than the chlorine found in CFCs.9 This means that even though its atmospheric lifetime is quite short (a little over a year) 31, the immediate impact of changes in methyl bromide emissions on the ozone layer is very high compared to other chemicals.