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.