Sentences with phrase «with organic carbon»

This is capable by surrounding a molecule with organic carbon, then breaking it down into new polymerized, ultra-chelated, re-structured molecules.

A new study led by researchers at the Virginia Institute of Marine Science reveals that land use in the watersheds from which this «dissolved organic matter» originates has important implications for Bay water quality, with the organic carbon in runoff from urbanized or heavily farmed landscapes more likely to persist as it is carried downstream, thus contributing energy to fuel low - oxygen «dead zones» in coastal waters.

Not exact matches

The technology can be used wherever industry has a biological waste stream or wastewater with high organic carbon or COD (chemical oxygen demand) of natural origin that can be broken down into biogas by anaerobic bacteria.

For specific industry applications with high organic loads, enough biogas can be generated to fully cover a production plant's energy needs and still have a biogas surplus to feed it into power generators and sell electricity to the national grid, often generating carbon credits, where these apply, as well as profit.

The anaerobic wastewater biogas technologies — which extract methane to generate green electricity or to fuel boilers and other factory equipment — are particularly applicable to food, beverage and agribusiness companies, or any industry that has a biological waste stream or wastewater with high organic carbon or COD (chemical oxygen demand) of natural origin that can be broken down into biogas by anaerobic bacteria.

The following two sections explain the role of organic agriculture with respect to carbon stocks and CO2 emission.

Dr Parr has been investigating the potential for soil organic carbon sequestration by bamboo leaf litter in collaboration with researchers from the Fujian Academy of Forestry Sciences in south - east China.

A 20 percent increase in soil organic matter as a result of organic agriculture would result in an estimated amount of 9 tonnes carbon per ha, which is in line with the results over a 15 - year period103.

Whether they are only buying the most earth friendly organic cotton bedding or are treating their baby's rashes with all natural coconut oil; parents are constantly looking for new ways to take care of their babies needs without leaving a giant carbon -LSB-...]

Check out these adorable, soft, whimsical organic cotton tees printed with water - based inks and the matching note cards, printed on FSC certified paper by an FSC certified printer in a carbon - neutral facility.

We were looking at an organic rock layer just millimeters thick that had lots of carbon, because we figured somewhere with a lot of carbon was a good place to look for life.

By replacing these materials with carbon - based or organic molecules, the research team led by post-doctoral pursued a fundamentally different approach.

The acids form when organic, carbon - containing compounds and water are zapped with a source of energy, such as photons — a process that can take place on Earth or in space.

Complex organic molecules, consisting of carbon bonded with other elements like oxygen and hydrogen, are common in the Milky Way, but it was uncertain whether they would be produced in certain dwarf galaxies like the neighboring Large Magellanic Cloud.

When the scientists found the telltale bands of sand, they measured the ages of organic matter in the layers with carbon - 14 dating.

According to Matyas Ripszam, Umeå University, this change will have high impact on the organic pollutants on the organic pollutants in the northern Baltic Sea, since this carbon can interact with the pollutants and decrease their concentration in the water.

Their inspiration was a compound with a molecular core consisting of a cube of eight carbon atoms studded with hydrogens, first synthesized in 1964 by Philip Eaton, an organic chemist at the University of Chicago, and his colleagues.

With its sophisticated on - board chemistry lab, Curiosity is hunting for more robust signs of habitability, including organic compounds — the carbon - based building blocks of life as we know it.

They then compared the organic carbon quantities measured in these deforested soils with those recorded when they were initially covered with forest.

With many sources of pollution in some parts of the world, however, air pollution also can contain a mix of hazardous gaseous molecules, such as carbon monoxide, formaldehyde, sulfur dioxide and other volatile organic compounds.

«The way carbon gets buried usually starts with photosynthesis, through which carbon dioxide is converted to organic material in the form of plankton, marsh grass, mangroves, or sea grass,» he said.

When he tested soils from the experimental plots, he saw soil organic carbon concentrations rise gradually with increases in nitrogen fertilization at soil depths from 0 to 6 inches, although not at deeper ones.

Depth horizons with functional genes indicative of methane - cycling and sulfate - reducing microorganisms are enriched in solid - phase sulfur and total organic carbon, host δ13C - and δ34S - isotopic values with a biological imprint, and show clear signs of microbial activity when incubated in the laboratory.

As an organic molecule, the researchers used an azo dye that consists of two carbon rings with attached functional groups that are polar, i.e. slightly positively or negatively charged.

The results suggest that soil respiration and organic carbon decomposition in the tundra, especially in grassy areas, will increase with warming temperatures and rising soil moisture, resulting in increased carbon dioxide emissions to the atmosphere.

By comparing the amount of carbon 13 in the inorganic particles with the absence of carbon 13 in the organic matter, scientists can estimate how much oxygen was present in the atmosphere at that time.

Scientists from Tomsk Polytechnic University together with their colleagues from USA and Japan have proposed a novel way to address the most important and fundamental challenge of organic chemistry, i.e. breaking a bond between carbon and hydrogen atoms to form new organic substances.

Potassium - 40, with a half - life of 1.3 billion years, helps to date geologic samples, while carbon - 14, with a 5,730 - year half - life, is useful for measuring the age of organic materials such as bone and wood.

The microbes combine the hydrogen with carbon dioxidein the water to make organic compounds.

MOFs are three - dimensional, coordination networks comprising metal ions and organic molecules and usually are crystalline, porous materials with many applications including storage of gases such as hydrogen and carbon dioxide.

The latter focuses on zeolites and metal — organic frameworks: sponge - like materials with regularly repeating holes in their crystal structures that can trap gas molecules and could be used to store methane or carbon dioxide.

A three - dimensional metal — organic framework with interpenetrating bridging ligands and guest molecules denoted as large balls (color codes: cadmium, dark magenta; chlorine, green; oxygen, red; nitrogen, blue; carbon, black).

Using samples collected from the Liwu and Wulu river basins in Taiwan, which run off the central range, the team compared the radiocarbon profiles of organic carbon in the rock with the soil directly above it.

During Curiosity's first «meals» of Martian soil, baked inside the robot's ovens, carbon and hydrogen were found to have reacted with chlorine, creating organic molecules.

Co-author Professor Eric Achterberg, from the University of Southampton, said: «The beauty of this approach is that with both field and laboratory experiments we were able to prove how the mechanisms operate for the removal of organic carbon in the deep ocean.»

Polymeric carbon nitride is an organic material with interesting optoelectronic properties.

An international collaboration of scientists led by Omar Yaghi, a chemist with the Lawrence Berkeley National Laboratory (Berkeley Lab), has developed a technique they dubbed «gas adsorption crystallography» that provides a new way to study the process by which metal - organic frameworks (MOFs)-- 3D crystals with extraordinarily large internal surface areas — are able to store immense volumes of gases such a carbon dioxide, hydrogen and methane.

Forest fires in the lower latitudes, however, are actually beneficial sources of black carbon because it is coupled with organic aerosols and ends up reflecting light and heat, causing the surrounding area to cool.

They suspect that the way the olfactory system is organized has little to do with how an organic chemist might organize molecules (for instance, by the number of carbon atoms on each molecule); instead, it more closely resembles the complex way that chemicals are associated in the real world.

«We're working with a crystalline semiconductor called rubrene, which is an organic, carbon - based material that has performance factors, such as charge - carrier mobility, surpassing those measured in amorphous silicon.

«It essentially means that, through multiple means, in a world with mixotrophs, more organic carbon is sinking into the deep ocean than in a world without mixotrophs,» Follows says.

Geologist Martin Kennedy and his colleagues from the University of California, Riverside realized that clay minerals in marine sediments are responsible for trapping the organic carbon that would otherwise bond with highly reactive oxygen.

Linking the amount of carbon - 14 found in organic material with the bomb curve has been used to date human tooth enamel and even regenerating brain cells.

Isaacman - VanWertz is particularly focused on studying the way the atmosphere interacts with organic compounds — the carbon - containing compounds that make up all living things.

But if all the beaver dams were occupied with their wetlands intact, her previous data suggest, beaver meadows would be storing about 23 % of the landscape's soil carbon, an estimated 2.7 million metric tons of organic carbon.

He said the Rice compound compared favorably with other carbon - capture candidates based on metal organic frameworks (MOFs).

A drop in CO2 due to the burial of organic carbon in the Late Ordovician is the exact opposite of what is happening now as massive amounts of CO2 are being released; yet, understanding how the historic events occurred can help with future models and predictions, Macleod said.

In fact, they found that in the Great Plains states up to half of light absorption is due to organic matter, or «brown carbon» from burning fossil fuels and from soil that mixes in with falling snow.

«As more and more fragments join up, they build progressively bigger and more carbon - rich, complicated molecules until they are so complex that we don't even try to give them chemical names, just describe them with generic terms like «organic molecules» or «tholins,»» Grundy said.

Despite these hurdles, several years ago the team discovered chlorobenzene, a ring - shaped molecule containing six carbons, along with other chlorinated organics, using a sample from a mudstone Curiosity drilled at Yellowknife Bay near its landing site in Gale crater.