Sentences with phrase «understanding chemical change»

For example, Wallace S. Broecker — easily the most vigorous of the geoscientists in trying to alert the scientific community, and author of several Scientific American articles — was awarded the U.S. National Medal of Science by President Clinton in 1996 for «contributions to understanding chemical changes in the ocean and atmosphere.»

Not exact matches

It has also had significant environmental consequences — set aside climate change and, if nothing else, think of industrial toxicity at the scale of Lake Michigan's southwest shoreline, New Jersey's Chemical Coast, or the chemical plants and oil refineries immediately north of Louisiana's State Capitol grounds in Baton Rouge, the long - term effects of which remain unknown — and has prompted not only environmentalist discontent and backlash, but also a neo-pagan anthropology and cosmology in which nature itself is increasingly understood asChemical Coast, or the chemical plants and oil refineries immediately north of Louisiana's State Capitol grounds in Baton Rouge, the long - term effects of which remain unknown — and has prompted not only environmentalist discontent and backlash, but also a neo-pagan anthropology and cosmology in which nature itself is increasingly understood aschemical plants and oil refineries immediately north of Louisiana's State Capitol grounds in Baton Rouge, the long - term effects of which remain unknown — and has prompted not only environmentalist discontent and backlash, but also a neo-pagan anthropology and cosmology in which nature itself is increasingly understood as sacred.

We can even perhaps regard all purely physical and chemical change (understood atomistically on the model of local motion) as change and activity without self - transcendence.

Scientists could seek to understand the subtle pressure of light that causes asteroids to change their spin, and could retrieve samples for dating and chemical analysis that would offer a clearer picture of Solar System material than do meteorites, which, although they are pieces of asteroids, are altered during their fall through Earth's atmosphere.

Unfortunately, many of these unknown molecules were those that differed between the wood from the two regions, making it difficult to understand why these changes in chemical fingerprint occur.

In addition, researchers replicated the conditions under which the fossils formed to identify the chemical alteration of melanin, subjecting modern feathers to high temperatures and pressures to better understand how chemical signatures changed during millions of years of burial.

The ability to make and study cubic ice in the laboratory could improve computer models of how clouds interact with sunlight and the atmosphere — two keys to understanding climate change, said Barbara Wyslouzil, project leader and professor of chemical and biomolecular engineering at The Ohio State University.

If so, it joins a growing cast of oddball stars suspected to be the products of stellar mergers, which have the potential to change our understanding of the universe's chemical make - up.

Schweitzer's next goal is to understand the tissues» chemical changes, which will also determine whether any DNA was preserved.

In order to understand these effects more precisely, Neher and cowork - ers investigated epigenetic changes in the microglia, i.e. chemical modi - fications to the DNA or its packaging proteins that cause certain genes to become more or less active.

Better understanding the chemical composition and transport within the chimney, however, could greatly advance our knowledge of the atmosphere and how it may respond to a changing climate.

«Our work helps us understand why the frequency of gun violence at schools changes, not necessarily why gun violence at schools in the United States exists at all,» said Amaral, professor of chemical and biological engineering in the McCormick School of Engineering.

In the high school unit, Roseman noted, similar atomic and molecular models are also used but in conjunction with bar graphs and energy transfer diagrams to help students understand that the energy changes they observe during chemical reactions are associated with changes in the arrangement of atoms.

Scientists need to understand their underlying chemical and physical mechanisms in order to better integrate them into climate change models.

Their research advances the understanding of how these materials can be manipulated without having to discover new materials, change the chemical concentration or apply external magnetic fields.

The cruise was part of the international GEOTRACES program, which aims to measure chemical tracers in the world's ocean to understand ocean circulation and provide a baseline to assess future chemical changes in the oceans.

Although many observational efforts aimed at understanding planetary - system formation have been made, this study is novel in focusing on the chemical change.

Stashed away and long - forgotten, a trio of century - old bottled beers recently discovered in the Czech Republic could help scientists better understand early 20th - century brewing practices, as well as the chemical changes that occur in beer over long periods of time.

While it has been understood for some time now that tRNAs are heavily decorated with small chemical groups such as methyls (carbon atoms bound to three hydrogens), the unprecedented discovery that one of these modifications can be removed suggests that tRNA has a regulatory role in the process of protein translation through chemical changes in itself.

Alexander F. Goncharov's analyzes materials under extreme conditions such as high pressure and temperature using optical spectroscopy and other techniques to understand how matter fundamentally changes, the chemical processes occurring deep within planets, including Earth, and to understand and...

For example, drug researchers seek chemicals that disrupt or otherwise change how proteins interact to combat diseases; environmental scientists need to understand how proteins collaborate in ecosystems to make them thrive or fail.

They are working to understand how the aerosols change their physical properties when exposed to different environmental conditions and the ensuing chemical reactions.

«The fact that you need all of these binding domains is something we still don't quite understand, and the observed pH - dependent conformational change is quite different from what happens in mammalian FcRn, where a chemical titration controls binding,» said Bjorkman.

«We are interested in understanding how sunlight affects the chemical composition of organic particles,» said Dr. Adam Bateman, who worked on this and other global change studies.

Stable isotopic compositions — variants of particular chemical elements — of such remains, recovered from soil and lake sediment, may help us better understand climate change over a long span of time.

These tools will help to better understand ongoing changes in chemical and biological state of the North Sea from alkalinity fluxes originating from the Wadden Sea over a synthesis model that integrates OA sensitivities at organism level into a North Sea ecosystem model (5.1) to an economical impact assessment.

«This work is a major step forward in understanding the molecular mechanisms that direct the changes in the chemical forms of plutonium,» said Dr. Andrew Felmy, a geochemist and lead author of the study.

The field of epigenetics provides crucial understanding about the ways that changes to genes caused by environmental factors drive disease, specifically chemical modifications on DNA and surrounding proteins that can alter the ways in which genes are expressed, even without the gene itself experiencing a mutation.

This symposium brings together experts across disciplines to better understand how planets like Earth, Venus and Mars have changed over time — from their atmospheric composition, geology, chemical composition and interactions with the Sun — to help understand what it takes to support life and whether it could exist beyond our solar system.

The high intensity of radiation from such reactors will bring about changes in chemical and biological systems which may be of immense practical value, once they have been understood.

The ancient Greeks understood that important chemical changes took place during this type of fermentation.

Marine biogeochemists and biological oceanographers have a good understanding of the processes which control phytoplankton biomass, such that a decrease in global phytoplankton biomass of the magnitude described by Boyce et al. can not be explained by other physical, chemical, and biological changes which have been observed.

As climate patterns continue to change, it is important to understand how chemical processes in peatlands change along with them.

Here are some options: 1) The science of ozone depletion was clearer sooner than the science of climate change 2) The major producers of ozone depleting chemicals understood the science and knew that they did not want to face the liability for contributing to growing numbers of skin cancers.

An understanding of the variability of the ozone hole allows us to better quantify the impact of changing emissions of ozone depleting chemicals, to predict the future of the ozone hole, and to detect its recovery.

(vi) Focused research initiatives to understand the nature of and interaction among physical, chemical, biological, land use, and social processes related to global and regional climate change.

«From his groundbreaking research that expanded understanding of the hole in the ozone layer to his work in quantifying the chemical interactions that drive climate change, Don Wuebbles has been a pioneer in atmospheric science for more than thirty years.

The ozone process is complex and little understood, but recent finds by Haigh are showing quantities of ozone can increase above 45 km and decrease below during times of weak solar activity, which is no doubt brought about by the chemical changes that fluctuating EUV / FUV brings along.

Researchers began to take an interest, struggling to understand how the level of carbon dioxide had changed in the past, and how the level was influenced by chemical and biological forces.

What does it mean for you?How to Understand Chemical Safety This change can be compared to Einstein's General Theory of Relativity.

7/2011 to Present Benchmark Human Services, Nantucket, MA Behavior Analyst • Interview patients regarding their present, past and future aspirations in a bid to understand their motivations • Take notes to refer to during the assessment period • Measure specific influences such as environment and family life to determine cause of behavioral problems • Create psychological profiles for each patient to determine extent of behavior problems • Devise and implement programs to address behavior problems • Act as part of a coordinated care team to provide oral medication to patients • Monitor patients» progress and note down any significant changes for better or worse • Assist patients with chemical dependency issues to come to terms with their addiction through counseling services • Provide a one - on - one to patients with criminal backgrounds • Assist crime investigations by creating psychological profiles of criminals to determine motive and mode of operation