Sentences with phrase «chemical processes involving»

We can not eliminate the possibility that slow evolution of environmental conditions (e.g., surface temperature and irradiation) and snow composition (e.g., sea salts levels) induced slight evolution in chemical processes involving GEM in the shallow firn during recent decades.
The country's entire supply is produced in one well - guarded and famously secretive facility in Alabama, where truckloads of common table sugar are shipped in weekly, to be modified via a complex chemical process involving chlorine and phosgene gas.
Vanda Glezakou and B. Peter McGrail, PNNL, discuss computational studies of the chemical processes involved in wet supercritical carbon dioxide, which is used in carbon sequestration.
The calcium, magnesium, and potassium contained in bok choy help with important chemical processes involved with hormone function and over time can lessen menstrual symptoms such as cramps, bloating, headache and fatigue.
The physical / (bio) chemical processes involved: Higher temperatures means more CO2 emitted (tropics) and less absorbed (poles) by the oceans and more absorbed by mid-latitude vegetation.

Not exact matches

The process of fracking involves vertical and horizontal drilling, often for more than 10,000 feet below the surface, followed by the injection of millions of gallons of water, chemicals and sand at high pressures.
Of much more importance, by accepting the policy of the Clark government you must be accepting fracking, a process which involves drilling vertically, then horizontally to oil and especially natural gas by pumping huge quantities of water laced with deadly chemicals.
The fund invests in companies involved in the exploration, production and processing of petroleum, natural gas, coal, alternative energies, chemicals, mining, iron and steel, and paper and forest products, and can invest in any part of the world.
From the Food Renegade site: «There are some quality, non-hydrogenated refined coconut oils available that are refined using a natural, chemical - free cleaning process (usually involving steam and / or diatomaceous earth).
Kim explains that agave syrup is not a whole food found in nature, and that it has to undergo processing to get into its liquid form, sometimes involving chemicals and heating processes.
nor does it know how to filter out the amount of chemicals, sugar and refined vegetable oils a highly processed food diet involves.
Before purchasing a sterilizer, make sure it has a quicker way to sterilize than boiling, a simple cleaning process, no chemicals should be involved in the cleaning, and can sterilize a load for the next day and leave them in.
So before organic farmers are able to manufacture, all facilities and machines involved must undergo a stringent cleaning process so as not to contaminate with the chemicals left from conventional cotton manufacturing.
While the process does not involve injecting chemical - laced water into the ground.
Hydrofracking is a process that involves pumping water and chemicals into the bedrock to release natural gas and oil.
The process involves injecting large volumes of water, mixed with sand and chemicals, deep into the ground to break up rock formations and release natural gas.
The process, which involves blasting a mixture of chemicals and water underground in order to extract gas underneath, is seen as a potential economic boon for the upstate region, but environmentalists fear it could damage public water supplies.
The SGEIS, or Supplemental Generic Environmental Impact Statement, is a review of potential regulations for hydrofracking, a natural gas extraction process that involves blasting a mixture of chemicals and water underground in order to access the gas underneath.
As an expert he has been appointed on over 400 occasions in a broad variety of cases involving such diverse projects as housing, shipping, IT supply, oil and gas, road rail and air transport, multi - storey buildings, power generation plants, hospitals, commercial and industrial buildings, petro - chemical and other process plants.
The state had a de facto ban in place as it studied the process, which involves extracting oil and gas from deep underground by pumping water, sand and chemicals at high pressures deep underground.
Defined as the harnessing of living processes to achieve healing and repair of damaged and diseased tissues by Tim Hardingham, director of the UK Centre for Tissue Engineering, it is a field that requires collaborative research involving cell and molecular biologists, chemical engineers, materials scientists, and surgeons.
They even discovered that these two steps involve sequential chemical processes that the protein uses to walk along DNA.
Many of these projects involved working closely with engineers, and so we had the idea that we could combine both sciences and develop automated solutions for chemical and environmental processes in the lab.
Studies of embryonic stem cells revealed that NANOG protein levels can be lowered by a chemical process known as methylation, which involves putting a methyl group chemical tag on a protein's messenger RNA (mRNA) precursor.
Practically all biochemical processes involve enzymes that accelerate chemical reactions.
The algorithm generated a model that makes accurate predictions for the full system of this basic metabolic process to consume glucose, which involves seven chemical species.
Bacterial chemotaxis, the process by which a bacterium changes direction in response to environmental cues, involves a complex array of chemical receptors (red, elongated molecules) and other sensory proteins (blue and green molecules), which work together to process sensory information.
This adhesion process, which involves no chemical reaction, only takes a few seconds.
Several long - lived worms carry mutations in a gene involved in a process that appears to use chemical signals to trigger activities inside cells.
According to scientists at the Max Planck Institute for Chemical Ecology, many proteins involved in the highly sensitive odor perception of insects emerged rather late in the evolutionary process.
As Manel del Valle, the main author of the study, explains: «The concept of the electronic tongue consists in using a generic array of sensors, in other words with generic response to the various chemical compounds involved, which generate a varied spectrum of information with advanced tools for processing, pattern recognition and even artificial neural networks.»
The water process is natural (that is, it does not involve any chemicals), but it is not very specific for caffeine; it removes 94 to 96 percent of the caffeine.
«Evidence from Kipp and co-workers for substantial ongoing change in the chemical environment of the Arctic Ocean emphasizes the need for sustained study of these changes and of the processes involved,» said Bob Anderson, an Ewing - Lamont Research Professor at the Lamont - Doherty Earth Observatory of Columbia University and the director of the U.S. GEOTRACES Program Office.
This process involves injecting a slurry of water, chemicals and sand into wells at high pressure to fracture the rock and create veins that can carry trapped gas to the well.
Theoretical physicists of Paderborn University could compare these results with quantum chemical computer simulations, thus obtaining information about the defects» positions within the layers and the processes they are involved to decrease the cells» efficiency.
By contrast, other proteins involved in this process, known as motor proteins, consume chemical energy to move the microtubules around.
To narrow down the number of chemical compounds that could be potential drug candidates, scientists utilize computer models that can predict how a particular chemical compound might interact with a biological target of interest — for example, a key protein that might be involved with a disease process.
The chemical mechanism, discovered by scientists at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) and UC Berkeley, could also broaden our understanding of basic chemical reaction processes involving common helpers, called catalysts, like copper and gold.
But the chemicals found by Plümper's team might have been produced by processes that don't involve life, he adds.
Existing techniques for transferring such thin films from a substrate rely on a process called chemical etching, but the chemicals involved in that process can damage or contaminate the film.
Some critics point out that the process of converting bamboo to fabric can take a heavy environmental toll, with the most cost - effective and widespread method involving a harsh chemical - based hydrolysis - alkalization process followed by multi-phase bleaching.
Depression is associated with a multitude of pathological processes, including inflammation of the peripheral immune system, a set of biological structures and processes in the lymph nodes and other tissues that protect against disease and abnormalities involving synapses, the structures that permit neurons to pass an electrical or chemical signal to other neurons.
Synapses operate by means of a chemical called a neurotransmitter that is released from the presynaptic terminal by a process involving the influx of Ca2 +, whose molecular bases our two Lasker Basic Science Prize winners, Richard Scheller and Thomas Sudhof, have pioneered in defining.
These processes are the key to understanding chemical and biochemical reactions, as it is the «redistribution» of electrons that is involved in the formation of new chemical bonds.
The last step, which makes the process cost - effective, involves recycling the chemicals used in the different reactions.
As Manel del Valle, the main author of the study, explains to SINC: «The concept of the electronic tongue consists in using a generic array of sensors, in other words with generic response to the various chemical compounds involved, which generate a varied spectrum of information with advanced tools for processing, pattern recognition and even artificial neural networks.»
Why It Matters: The Earth's climate involves complex interactions among ever - changing physical components and chemical processes.
The process often involves a combination of many methods that exploit differences between various proteins in binding affinity, physico - chemical properties, size and biological activity.
It's really about revolutionising processes which involve chemical transformations of mineral and materials,» Dr McGregor says.
We have now identified the exact chemicals involved in that process, and used them as bait to attract cane toad tadpoles (but not frog tadpoles) into traps, for toad control.
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