Sentences with phrase «of trace chemicals»

But pinpointing specific culprits from the vast array of trace chemicals in the environment has proved difficult.

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.

Not exact matches

Bloomberg reported last year that an international monitoring body found traces of chemical weapons, including sarin gas, in an inspection of the Syrian government's Scientific Studies and Research Center.

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.

On Wednesday, Poznikhir alleged that the White Helmets — a Syrian civil defense group — had «staged chemical attacks for the cameras» and that Russian chemical weapons specialists and medical personnel had found no trace of chemical weapons in the affected area.

The process of synthesis by which azoic elements have reached their present multiplicity and complexity is an evolution, the same process entirely as the biologist traces in the order of living things, and the synthetic chemical compound embodies in itself a complex relativity capable of being expressed in most exact laws, which reflect the evolutionary emergence of its substance as much as do the organs of an animal explained in terms of evolutionary development.

The embassy say there is no evidence for a chemical attack: «Russian services for chemical and radiological security visited the suspected site of the incident and did not find any traces of chemical substances.

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.

Vitamin B12 is the only vitamin that contains a trace element — cobalt — which gives this vitamin its chemical name — cobalamin — which is at the centre of its molecular structure.

Traces of phthalates, a chemical found in food packaging and equipment, were detected in products of powdered macaroni and cheese mixes, according to a study by the Coalition for Safer Food Processing & Packaging.

Some leading brands of infant formula manufactured and sold in the US have been found to contain traces of the industrial chemical melamine, albeit it at small amounts, news reports suggest.

We provide an extensive range of chemical analyses on plant, soil and water samples for inorganic nutrients, trace elements and heavy metals.

We don't know about you but we'd rather support farmers who let their animals free range, encourage biodiversity, don't use harsh chemicals and GM and take pride in providing us with food the way it's meant to be — without traces of pesticides, hormones and antibiotics.

Enhanced with 84 trace Himalayan minerals and electrolytes, Alkaline88 is premier alkaline water that achieves its 8.8 pH level through a state - of - the - art, completely chemical - free process.

Fonterra Cooperative Group Ltd. (FCG), the worldâ $ ™ s largest dairy exporter, assured its biggest customer China that traces of an agricultural chemical found in some milk products posed no health risk, Chief Executive Officer Theo Spierings said.

In fact, according to the Centers for Disease Control, more than 90 percent of Americans have traces of the chemical in their blood streams.

According to Greenpeace, there are traces of dioxin and TBT (tributyltin), two highly toxic chemicals in disposable diapers.

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.

If that isn't enough, disposable diapers contain trace amounts of dioxin, a toxic carcinogenic chemical, and TBT, a toxic hormone altering substance.

This means that there's no trace of chemical materials, neither the use of chemical flame retardants at all.

Emerging studies reveal that cumulative, trace amounts of chemicals may be affecting children's brain development.

The intense heat of microwaves can cause traces of dyes and adhesives to diffuse through plastic or plastic - coated containers, tainting foods with unsafe levels of chemicals, says FDA chemist Tom Begley.

Traces of the industrial chemical melamine have been detected in samples of top - selling U.S. infant formula, but federal regulators insist the products are safe.

The end product oftentimes contains traces of these chemicals.

In recent weeks, traces of the chemical have been found in private wells and public water supplies in the town of Hoosick, well outside the village, and in North Bennington, Vt., where Saint - Gobain also had a manufacturing plant that closed in 2002.

Snow falls lightly at the poles, but as each year's accumulation is compressed into ice, it encases chemical hallmarks of the atmosphere and climate, including traces of major eruptions.

The first applications of frequency combs focused on detecting trace amounts of chemicals and high precision time - keeping.

When released, the birds still had traces of the chemicals in their blood plasma, the researchers reported at the November meeting.

A pair of scientists reported at the American Chemical Society meeting here today that they've developed a machine that in just minutes can detect trace compounds in the breath and diagnose diseases such as diabetes, kidney failure, ulcers, and possibly even cancer.

By using one - and three - dimensional models, the authors were also able to trace the movements of the different chemicals through Titan's atmosphere.

The team was able to relate the depth of each sediment layer with the climate at the time when it was laid down by looking at chemical traces left by microbes, which adapt their structure to the climate.

The thinking that happens inside your brain can be traced to chemical signals passing between neurons, and those chemicals move the way they do because of electromagnetism.

Now, a 15 - year, 30 - nation research collective called Geotraces is embarking on an ambitious global survey of ocean chemistry to quantify trace elements and shed light on how chemical concentrations fluctuate in response to changing environmental conditions.

A study presented at the meeting of the American Chemical Society finds that the vast majority of paper money has trace amounts of cocaine.

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.

Whiffs of chemicals found in rocket fuel, a dark pyramid that resembles rare volcanic rocks on Earth and glassy particles bearing traces of water are among the Curiosity rover's finds in its first chemical investigation of Martian dirt.

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.

Traces of the chemicals remain in foods.

Through fun historical anecdotes and lesser - known backstories of scientific greats, this entertaining book profiles the chemical elements that make up the air we breathe and traces the history of Earth's atmosphere (SN: 7/8/17 & 7/22/17, p. 38).

But in recent years, scientists have developed high - tech methods to map the chemical traces of soft tissues in the rocks surrounding fossils, which in turn have helped them visualize the remains of pigments — almost literally bringing prehistoric colors back to life.

Thirty - eight years after DDT was banned, Americans still consume trace amounts of the infamous insecticide every day, along with more than 20 other banned chemicals

Polish scientists say fossilized blood vessels with preserved chemical traces of proteins are the oldest in the world.

BERLIN (Reuters)- Environmental campaign group Greenpeace has found traces of chemicals that can pollute waterways in children's clothing and shoes made by luxury brands, challenging the sector's reputation for higher standards than those of mass fashion.

In addition to inhaling or absorbing pyrethroids that linger in households, people ingest traces of pyrethroids in their food, since the chemicals are used on some vegetable, fruit and grain crops.

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).

Studies show that just about everyone has traces of the chemical in their body, and researchers believe diet is the major exposure route.

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.

And with the right tools, scientists can mine these traces for date details and chemical composition to get a rare snapshot of early Earth.

Because of graphene's chemical inertness and biocompatibility, the team expects that the new technique will be effective in detecting trace amounts of organic molecules.