Sentences with phrase «of organic compounds»

The issue for scientists has been that it is not easy to look at simple chlorine - containing organic molecules and determine the origin of the organic compound components.
In this case, most of the organic compounds have carbon - carbon bonds that are the most inactive.
Analysis indicates that the rock contains millions of organic compounds, including amino acids that could not have come from terrestrial contamination.
Essential oils are largely made up of organic compounds.
For example, if manufacturers want to be able to label their merchandise as organic made beauty products, they have to meet the formal definitions of organic compounds.
Scientists consider it as the vital source of the organic compounds that gave rise to life on earth.
These processes include heat retention, the melting of polar ice, ocean circulation, nutrient supply, and the primary production of organic compounds.
Combined with previous findings of organic compounds in interplanetary dust, this suggests that these grains contain the basic ingredients needed for life.
Chemists at The University of Texas at Arlington have devised a safer, more environmentally friendly, less expensive and more efficient water - based system for the synthesis of organic compounds typically used in pharmaceuticals, agrochemicals, cosmetics, plastics, textiles and household chemicals.
However, the types of organic compounds found in plant matter — dominated by aromatic hydrocarbons — underwent some chemical changes, but remained relatively resistant to impact pressures.
The researchers found that the types of organic compounds found in microbial and algal life — long chain hydrocarbon - dominated matter - were destroyed by the pressures of impact.
In biological form these acids have huge importance in the form of organic compounds comprising of carboxylic acid and amines.
Dark chocolate is full of organic compounds like polyphenols and flavonoids that act as powerful antioxidants
Atmospheric aerosols often contain a substantial fraction of organic matter, but the role of organic compounds in new nanometer - sized particle formation is highly uncertain.
This liquid - like ice may enhance the formation of organic compounds including prebiotic molecules and the accretion of dust to form planets.
«The evidence from observation indicates that complex organic chemistry is much more universal than previously thought,» says Fred Goesmann from the Max Planck Institute for Solar System Research, who led the analysis of organic compounds on the Rosetta mission.
Higher temperatures can also increase the emissions of organic compounds from trees, which can then react in the atmosphere to form ozone and particulate matter.
The next step in the hunt for life on Mars is getting a better grip on the prevalence (or lack thereof) of organic compounds on the surface and in the atmosphere — and then actually digging down into the crust of the Red Planet, to look for actual signs of life, either in the form of fossils or actual living microorganisms.
Employed on waste water streams, such technologies can achieve up to 99 % COD removal in some types of wastewater (COD, chemical oxygen demand, indicating the amount of organic compounds in water).
It can have several different causes, all involving loss of function of a metabolic pathway that moderates levels of an organic compound called methylmalonic acid.
Carbon ensures the most effective removal of organic compounds including VOCs (volatile organic compounds), radon and chlorine (including cancer - causing by - product trihalomethanes.
This addition to the inventory of organic compounds produced in extraterrestrial environments furthers the discourse of whether their delivery to the early Earth by comets and meteorites might have aided the molecular evolution that preceded the origins of life.
They're also a chemists» version of Tinkertoys, made with metal atoms at the corners and a wide variety of organic compounds that serve as the linkers in between.
The discovery of organic compounds adds to the growing body of evidence that Ceres may have once had a habitable environment.
A group of organic compounds called phenylpropanoids are found in the essential oils of some plants, and show promise as possible anti-inflammatory substances.
These studies concluded that emissions of organic compounds like dioxins and furans from well - operated dry cement kilns were of less than one part per billion in the air, and also ascertained that co-processing of waste in cement kilns did not lead to increased emissions of hazardous organic compounds.
The team made crystals composed of an organic compound, called azobenzene, commonly used in dye manufacturing, and oleic acid, commonly found in cooking oil.
«Any life forms would likely be carbon based because the carbon atom is so well suited to forming a vast number of organic compounds
For this project, Isaacman - VanWertz studied the smell of pine, which is made of an organic compound known as pinene.
There can be other sources of methane, such as geology and ultraviolet degradation of organic compounds, but it would seem that none of these occur on Mars.
Essential oils are made up of very tiny molecules of organic compounds which make them easy for the body to absorb and assimilate.
Potassium atoms interspersed into crystals of the organic compound picene yields superconductivity at relatively high temperatures
Molecular dynamics and density functional theory will be employed to catalog the binding energy of adsorption of a host of organic compounds as identified by Project 1.1, onto mineral grains.
However, there is no indication that the scientists who carried out these studies were interested in how life began on Earth, or in the synthesis of organic compounds under possible prebiotic conditions.
Life is the natural and outcome of organic compounds that like everthing in the Universe combine and build new things.
The 1 MG ADI - BVF anaerobic unit can also treat moderate - to - high concentrations of organic compounds, suspended solids, and fat, oil, and grease (FOG) in a single stage and typically without the need for primary treatment, according to Evoqua.
But within days that finding was contradicted by results from the gas chromatograph spectrometer, which detected no sign of organic compounds, much less evidence of life.
The first determinations of the age of a rock on Mars and how long a rock has been exposed to harmful radiation provide prospects for learning when water flowed and for assessing degradation rates of organic compounds in rocks and soils.
Furthermore, spectroscopy shows that spouting water vapor is a soup of organic compounds.
It did so by starting with a long roster of organic compounds from which it chose potential replacements for gasoline, diesel and jet fuel that could be burned in modern engines and would be compatible with the existing petroleum infrastructure.
Titan's gentle winds will push TiME along as it snaps photos and measures the moon's rich mix of organic compounds.
Following the same principle, Yu's team recently came up with a new template for making meta - C - H activations on a much more challenging set of organic compounds.
In this discovery, reported by Caltech researchers in June, radio telescopes picked up faint traces of the organic compound propylene oxide in a vast cloud of gas and dust called Sagittarius B2, which is near the center of our galaxy.
These observed highly oxygenated organics or ELVOC's can support particle growth of the smallest nanoparticles and thus can explain the contribution of organic compounds in aerosol formation.
The new medium, 80 - 90 percent water with fluoroalcohol, supports the synthetic reaction of organic compounds and even produces considerably higher yields of product than pure organic solvents.
Raindrops eject carbon - based blobs of soil material from wet fields, creating a mist of organic compounds above the soil.
Intriguingly, radioactive carbon was detected, but then another experiment found no evidence of organic compounds in the soil — there were no alien bodies.
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