Sentences with phrase «containing small concentrations»

By using as sources supersonic jets of hydrogen or helium containing small concentrations of heavier molecules we have been able to obtain molecular beams with kinetic energies of the heavy molecules well into the range above I electron volt.
While mostly copper, the blade contains small concentrations of lead, arsenic, silver and more than a dozen other chemical elements.

Not exact matches

Well - known techniques that took place in Flint include preflushing water from taps the night before sampling and using small - mouthed bottles, which artificially lowers lead concentrations in samples, as well as failing to identify and test homes known to have sources of lead in their plumbing from lead services lines or older brass components that contain significant amounts of lead.
In a series of experiments, they presented bees with different combinations of safe and dangerous feeders — depending on their association with the larger or smaller hornets — containing varying concentrations of sucrose.
Although red meat indeed contains high concentrations of dietary zink and arachiodinic acid, this only translates to small, transient rises in testosterone after eating a steak.
Raw broccoli and other cruciferous vegetables contain small amounts of these phytochemicals (though at much lower concentrations).
1 A review of the literature has shown that short - term ingestion of foods containing a small amount of MCTs suppresses the increase in blood lactate concentration and the rate of perceived exertion (RPE) during moderate - intensity exercise; whilst extending the duration of subsequent high - intensity exercise, at levels higher than those achieved by ingestion of LCT - containing foods.2
Fatty acids containing carbon - carbon double bonds (monounsaturated, such as the main ones in olive oil, or polyunsaturated) do produce small quantities of trans fatty acids when heated strongly, but it's in very small amounts (here, here, here, here) The process that really increases the trans fatty acid concentration is partial hydrogenation, an industrial process that's used to raise the melting temperature of polyunsaturated oils.
Warm Weather Hazards • Animal toxins — toads, insects, spiders, snakes and scorpions • Blue - green algae in ponds • Citronella candles • Cocoa mulch • Compost piles Fertilizers • Flea products • Outdoor plants and plant bulbs • Swimming - pool treatment supplies • Fly baits containing methomyl • Slug and snail baits containing metaldehyde Medication Common examples of human medications that can be potentially lethal to pets, even in small doses, include: • Pain killers • Cold medicines • Anti-cancer drugs • Antidepressants • Vitamins • Diet Pills Cold Weather Hazards • Antifreeze • Liquid potpourri • Ice melting products • Rat and mouse bait Common Household Hazards • Fabric softener sheets • Mothballs • Post-1982 pennies (due to high concentration of zinc) Holiday Hazards • Christmas tree water (may contain fertilizers and bacteria, which can upset the stomach.
Acupuncture points are located at specific points along these meridians and are areas that when examined microscopically are found to contain high concentrations of nerve endings and small blood vessels.
Some of the things you will NOT find here are air conditioned rooms (you will only find small beach inns that operate on self - contained power systems), cell phone coverage (sorry, no Blackberry), any sort of nightlife (we do have the biggest concentration of three - star restaurants per capita on the coast), large resorts or crowded dive boats.
The process of breaking big rocks into smaller ones releases more minerals and chemicals so the water below valley fills contains higher concentrations of selenium
Studies of the common mineral goethite (α - FeOOH) have shown that it contains small quantities of a carbonate component (Fe (CO3) OH), the concentration and carbon isotope content of which preserves a record of ambient PCo2at the time of formation4 — 7.
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