Sentences with phrase «of organic origin»

Radiocarbon dating definition, the determination of the age of objects of organic origin by measurement of the A very small percentage of carbon, however, consists of the isotope carbon 14, or radiocarbon, which is unstable.
Radiocarbon dating definition, the determination of the age of objects of organic origin by measurement of the radioactivity of their carbon content.
Correction: This article has been updated to clarify that it is the ratio of different carbon isotopes, not just the presence of those isotopes, that is characteristic of organic origin.
Two of these graphite flecks had a high carbon - 12 to carbon - 13 isotope ratio, a characteristic feature of organic origins as life preferentially absorbs carbon - 12 (PNAS, doi.org/8jk).
• There's more to life than that: we meant to say that graphite flecks in 4.1 - billion - year - old zircon crystals had a ratio of carbon - 12 to carbon - 13 isotopes that is characteristic of organic origins (24 October, p 12).

Not exact matches

Fraternity: as between man and man, in the sense of an organic interrelation based not merely on our more or less accidental coexistence on the surface of the earth, or even on our common origin, but on the fact that we represent, all of us together, the front line, the crest of an evolutionary wave still in full flood.
«The origin and the story of our organic cane sugar is about helping a group of producers, their families, their community, and the environment,» explains Andres.
«We seek wines of true distinction that represent the terroir from which they hail, preferably from organic origins and are made by families and individuals who share our life philosophies,» said Andre Shearer, Cape Classics» Chairman & CEO.
Related topics: Bakery, Beverage, Organics, GM food, Food safety, Nutrition labelling, Market Trends, Confectionery, Dairy, Healthy foods, Prepared foods, Snacks, Marketing, Country of origin labelling, Sustainability, Food prices, Natural and clean label
Non-EU organic products must include country of origin labeling if they wish to use the EU organic logo.
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.
The coffee line is fairly extensive, and includes ground and whole bean, flavored coffees, Fair Trade and organic certified options, blends and single origins, and some even higher - end Direct Trade and Cup of Excellence (CoE) choices (the latter being part of this line since 2006).
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 whole 365 brand - USDA Certified organic - and country of origin - China - thing stuck in my craw, but the final straw for me was the Mackey op ed piece on healthcare reform.
The ACO logo verifies the organic status of the product and not the product of origin.
The logo is not a country of origin logo, but a confirmation of organic status, which complies with the Australian Certified Organic Standard.
Issue 6 October 2013 Advances in nanotechnology for food and beverage processing, proving the origin of produce with «environmental fingerprinting», the mega-trend of sustainable sourcing, what the UK diary code of practice has achieved in its first year, the rise of the organic food market, how the new universal front - of - pack labels in the UK have been received by the industry, and more
«Both Oregon Tilth's and CCOF's origins date back to the 1970s amidst growing interest in the benefits of organic farming,» said Chris Schreiner, Executive Director of Oregon Tilth.
The company is a USDA - certified organic handling facility and the largest supplier of organic and Fair Trade certified tea in North America, working closely with several third - party certifiers at origin worldwide.
Manchester City's rise to power and wealth was never the most organic origin story, but the arrival of Pep Guardiola was at least supposed to bring some balance to the whole club.
It's an homage to our organic baby fashion's country of origin: India.
The vapor accompanying these particles was mostly water but contained trace amounts of simple organic compounds, as well as carbon dioxide and ammonia — all ingredients important for the sustenance and even origin of life.
Bennu is a carbonaceous asteroid packed with natural organic compounds, which gives it an intriguing connection with the origin of life.
Evidence for such an origin might be bolstered if scientists find signs of other materials known to be present in comets, like carbon - based compounds called organics.
«This information is important because consumers, in theory, can get both organic and country - of - origin information in the same supermarket,» Gao said.
Marshall and his colleagues proved the concept of testing for vanadium on known microfossils with acknowledged biological origins on Earth — organic microfossils called acritarchs that might not be far from the kinds of traces of life possibly existing on the Red Planet.
The organic origin (biogenicity) of the samples was confirmed using an ion probe to measure the different sulfur isotopes, while X-ray microtomography revealed their internal and external structures.
«It is a thrilling possibility that this influx of dust on the surfaces of solar system bodies has acted as a continuous rainfall of little reaction vessels containing both the water and organics needed for the eventual origin of life.»
By studying the gas, dust and structure of the nucleus and organic materials associated with the comet, via both remote and in - situ observations, the Rosetta mission should be a key to unlocking the history and evolution of our solar system, as well as answering questions regarding the origin of Earth's water and perhaps even life.
Other molecules may help explain the origins of the organic compounds that gave rise to life on Earth.
«Then you have potentially ruined your chances for looking at the origin of organic material or potentially life forms» on Phobos, he says.
Flecks of carbon of potentially organic origin seen in zircon crystals, hinting that life started 4.1 billion years ago in Earth's fiery Hadean period Hadean aeon
Flecks of carbon of potentially organic origin seen in zircon crystals, hinting that life started 4.1 billion years ago in Earth's fiery Hadean period
The approach, called tunable infrared laser direct absorption spectroscopy, detects the ratio of methane isotopes, which can provide a «fingerprint» to differentiate between two common origins: microbial, in which microorganisms, typically living in wetlands or the guts of animals, produce methane as a metabolic byproduct; or thermogenic, in which organic matter, buried deep within the Earth, decays to methane at high temperatures.
«Despite their small size, these interplanetary dust particles may have provided higher quantities and a steadier supply of extraterrestrial organic material to early Earth,» said Michael Callahan of NASA's Goddard Space Flight Center in Greenbelt, Md. «Unfortunately, there have been limited studies examining their organic composition, especially with regards to biologically relevant molecules that may have been important for the origin of life, due to the miniscule size of these samples.»
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.
Previous evidence of preserved collagen date back to the Late Cretaceous Period — more than 100 million years younger than this discovery — but those studies extracted the organic remains by dissolving away all other parts of the fossil, without a clear understanding of the precise origins of the collagen.
Finding out how methane and other organic species are formed in deep - sea hydrothermal systems is compelling because these compounds support modern day life, providing energy for microbial communities in the deep biosphere, and because of the potential role of abiotically - formed organic compounds in the origin of life.
But it is not clear whether RNA preceded or followed the origin of metabolism, which relies on the chemistry of much simpler organic compounds.
«Geology of Ceres illuminates origin of organics: Dawn spacecraft data suggest organic materials are native to the dwarf planet.»
Studying its organics can help explain the origin, evolution, and distribution of organic species across the solar system.
Nitrogen - containing compounds of this sort are especially interesting because they may have played a role in forming organic compounds involved in the origin of life.
«Origin of organic matter in Apollo lunar samples revealed by new NASA study.»
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.
By studying the gas, dust and structure of the nucleus and organic materials associated with the comet, the Rosetta mission should become key to unlocking the history and evolution of our solar system, as well as answering questions regarding the origin of Earth's water and perhaps even life.
But it was the Miller experiment, placed in the Darwinian perspective provided by Oparin's ideas and deeply rooted in the 19th - century tradition of synthetic organic chemistry, that almost overnight transformed the study of the origin of life into a respectable field of inquiry.
The assumption of an abiotic origin of organic compounds rested on firm grounds.
My research focuses on developing robust multiscale computational paradigms to model the structure - property relations of minerals in order to develop a fundamental understanding of the origins of water and organic materials in our Solar System.
My research is focused on the origin of the first solar - system solids, ancient presolar circumstellar dust grains, primitive organic compounds, interplanetary dust particles, and the evolution of asteroidal bodies.
Scientists expect Bennu to hold vital clues to the origin of water and organic molecules that may have made their way to Earth, eventually creating conditions needed for life to exist.
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