Sentences with phrase «traces of chemicals from»

The researchers also found traces of chemicals from wood, suggesting that the champagne was fermented in barrels.

Not exact matches

Officials from the Organization for the Prohibition of Chemical Weapons told the Obama administration early this year that its inspectors had found traces of two banned chemical weapons during an inspection of the Syrian government's Scientific Studies and Research Center in the district of Barzeh near Damascus, two administration officials Chemical Weapons told the Obama administration early this year that its inspectors had found traces of two banned chemical weapons during an inspection of the Syrian government's Scientific Studies and Research Center in the district of Barzeh near Damascus, two administration officials chemical weapons during an inspection of the Syrian government's Scientific Studies and Research Center in the district of Barzeh near Damascus, two administration officials told us.
Some develop digestive disorders from the food they ingest since much of what we eat was farmed with chemicals and pesticides, which still remain in trace amounts on the food.
Even though trace chemicals from tobacco do pass into breast milk, the benefits of the disease - fighting cells in the breast milk outweigh the negative effect of those chemicals.
They checked each chemical against previous records to ensure that it was an actual body product and not from any lingering trace of perfume or deodorant.
It is quite probable that Earth 2.0 will be hundreds or even thousands of light years away; too far from us to detect trace chemical «biosignatures» that would suggest life.
When they analyzed the remnants of ancient liquids soaked into the porous clay using mass spectrometry, the researchers found traces of tartaric, malic, succinic, and citric acids, all chemical signatures of wine made from the Eurasian grape (Vitis vinifera).
Using data captured by ALMA in Chile and from the ROSINA instrument on ESA's Rosetta mission, a team of astronomers has found faint traces of the chemical compound [Freon - 40]--(CH3Cl), also known as methyl chloride and chloromethane, around both the infant star system IRAS 16293 - 2422, about 400 light - years away, and the famous comet 67P / Churyumov - Gerasimenko (67P / C - G) in our own Solar System.
A Cologne working group involving Prof. Carsten Münker and Dr. Elis Hoffmann and their student Sebastian Viehmann (working with Prof. Michael Bau from the Jacobs University Bremen) have managed for the first time to determine the isotope composition of the rare trace elements Hafnium and Neodymium in 2.7 - billion - year - old seawater by using high purity chemical sediments from Temagami Banded Iron Formation (Canada) as an archive.
But pinpointing specific culprits from the vast array of trace chemicals in the environment has proved difficult.
Many researchers are content to follow NASA's lead as it cautiously moves from «following the water» in search of likely habitable or once - habitable environments on Mars to «following the carbon» — that is, looking for chemical traces of ancient life.
Moreover, in the case of the prehistoric birds, the chemical imaging clearly revealed the outlines of the feathers, strongly suggesting that the researchers were picking up pigment traces from these plumes.
While the shock waves from CMEs pour energy into Earth's upper atmosphere, puffing it up and heating it, they also cause the formation of the trace chemical nitric oxide, which then rapidly cools and shrinks it, she said.
Some experts have traced estrogen - like chemicals to increased rates of human breast cancer, and there is even more evidence that they endanger animals by feminizing the sex organs of male frogs and fish living downstream from sewage treatment plants.
Scientists have, for the first time, traced the nanoparticles taken up from the soil by crop plants and analysed the chemical states of their metallic elements.
Although we are some time off from probing a distant potentially habitable world's atmosphere for the presence of liquid water or chemical traces of life, Kepler - along with supporting observations by other space - and ground - based instrumentation - is giving us a tantalizing hint of the preponderance of small rocky worlds in the Milky Way.
Despite comparatively intense bombardment by large impactors, chemical and radio - isotopic trace evidence of what appears to be biologically processed carbon in Earth's oldest surviving rocks — from western Greenland's Isua greenstone belt that are as old as 3.85 billion years — suggest that self - replicating, carbon - based microbial life became well developed during Earth's first billion years of existence.
2 By studying the record of Earth's history contained in sedimentary rocks from the time just prior to the rise of animals, between 1200 and 650 million years ago, reading these rocks for clues about changing environmental conditions by chemical analysis, and systematically scouring them for traces of life — from fossils as well as chemical signatures;
From cyber security, trace chemical detection, and turning sewage into fuel, to understanding real - world energy processes and forecasting future electric needs, PNNL was part of developing five advancements honored at a recent award event in Las Vegas.
CBD, or cannabidiol, is available as a supplement and comes from the same cannabis plant as the stuff you would smoke, but contains only trace amounts (less than 0.3 percent) of THC — the chemical component that has psychoactive effects.
• Safe: free of disease - causing microorganisms (bacteria, viruses, spores); heavy metals; chemicals from industry and agriculture; pharmaceuticals; disinfectants and related by - products; radioactivity; and synthetic fluoride; • Fresh: neither salty nor stagnant; • Clean: physically, biologically and chemically; • Natural: coming from a pristine mountain stream, glacial river or fresh spring; • Hydrating: water with low surface tension and thus better hydrating; • Mineral balanced: contains a wide variety of minerals including trace minerals, excellent ionic activity (Total Dissolved Solids ~ 300 ppm), including cations such as calcium, magnesium, potassium and sodium; and anions such as nitrate, chloride, bicarbonate, sulfate and carbonate.
Because traces of nearly 300 known toxic chemicals — many of which are known carcinogens — are found in the amniotic fluid passing from mother to child during pregnancy and are found in human breast milk.
Lead harms almost every system in the body, so be careful when removing that stubborn old paint from walls, as it could hold traces of the dangerous chemical.
DefinitionSamarium — neodymium dating uses the radioactive decay of 147Sm to 143Nd and 146Sm to 142Nd to measure the age of rocks and minerals and to trace and date geochemical processes responsible for the chemical differentiation of the Earth and the terrestrial planets and to the geochemical and cosmochemical communities in the early 1970s, the Sm — Nd radioactive decay systems have grown into essential tools in geochronology and particularly for the Sm - Nd dating of gabbro - and garnet - bearing contact metamorphic / anatectic rocks from Krutfjellet, Nordland, and some geochemical aspects of the intrusives
I trace America's love affair with chemicals from the beginning of the Industrial Revolution to today, showing how much worse the problem has gotten in the last decades.
But the research detected no trace of the chemicals injected into or removed from wells during the drilling process called hydraulic fracturing or «fracking.»
«The chemicals released into streams from valley fills contain a variety of ions and trace metals which are toxic or debilitating for many organisms, which explains why biodiversity is reduced below valley fills,» says co-author Dr. Emily Bernhardt, of Duke University.
This instrument can identify the chemical composition of materials, so traces of chemicals that only come from fossil fuel combustion would leave a kind of fingerprint.
A kerfuffle arose late last year when the Bank of England launched new polymer bank notes that were discovered to contain trace amounts of chemicals (less than 0.05 percent) derived from animal products.
«The spike in CO2 and other chemical traces recorded would be just one big clue, but not the only» These «intelligent species» would probably rapidly find out that all those chemical substances didn't come from outer space but were and still are part of the planet.
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