Sentences with phrase «of chemical elements in»

The Imager has a spectrograph that separates light out into its constituent colors, and these so - called spectra bear markers of the chemical elements in a planet's atmosphere.
«The abundance of some chemical elements in the stars in the external regions of the Milky Way halo — explains Giuseppina Battaglia, astrophysicist at the IAC and first author of the article — was found to be surprisingly different from the information we had concerning the inner regions of the halo».
Close - up of the head region of the Alalcomenaeus fossil specimen with the superimposed colors of a microscopy technique revealing the distribution of chemical elements in the fossil.
The study of the effects of climate change in this area and historical variation of chemical elements in trees can highly contribute to discover the potential effects that could stand many of the coniferous forests in the 21st century, according to the authors.
By looking at how concentrations of chemical elements in the sediment change with depth, the researchers can develop a continuous record of how much surface runoff poured into the lake.
This is a close - up of the head region of the Alalcomenaeus fossil specimen with the superimposed colors of a microscopy technique revealing the distribution of chemical elements in the fossil.

Not exact matches

However, McKenzie acknowledged elements of Syria's chemical weapons program remain and he could not guarantee that Syria would be unable to conduct a chemical attack in the future.
My body is composed of atoms of the same chemical elements which are found in inorganic matter.
And here are the physicists, splitting up the molecule into atoms and now picking away at the atom itself, peering down into the deep abyss in which the constituent elements of all chemical things are the same; yet never a word have they to tell us about where «form» ends and «matter» begins!»
In this sense an atom is more complex than an electron, a molecule more complex than an atom, and a living cell more complex than the highest chemical nuclei of which it is composed, the difference depending (on this I insist) not only on the number and diversity of the elements included in each case, but at least as much on the number and correlative variety of the links formed between these elementIn this sense an atom is more complex than an electron, a molecule more complex than an atom, and a living cell more complex than the highest chemical nuclei of which it is composed, the difference depending (on this I insist) not only on the number and diversity of the elements included in each case, but at least as much on the number and correlative variety of the links formed between these elementin each case, but at least as much on the number and correlative variety of the links formed between these elements.
The process of synthesis by which azoic elements have reached their present multiplicity and complexity is an evolution, the same process entirely as the biologist traces in the order of living things, and the synthetic chemical compound embodies in itself a complex relativity capable of being expressed in most exact laws, which reflect the evolutionary emergence of its substance as much as do the organs of an animal explained in terms of evolutionary development.
«There is abundant evidence of design in the properties of the chemical elements alone,» he argued, especially as they combine to make the unique substance we call water.
Being now called upon by biology to consider the effects of synthesis, it is beginning to perceive that, parallel with the phenomenon of corpuscular disintegration, the Universe historically displays a second process as generalized and fundamental as the first: I mean that of the gradual concentration of its physico - chemical elements in nuclei of increasing complexity, each succeeding stage of material concentration and differentiation being accompanied by a more advanced form of spontaneity and spiritual energy.
He adds that just as an infinity of functions may have the same differential (functions which differ from each other by a constant — the so - called «constant of integration») so the integration of physico - chemical elements (a «summation» which, inversely, proceeds from the derivative to the function) would determine the vital action only in part.
The human body is a composition of chemical elements that we find elsewhere in nature.
Whenever you read a supposed study or «scientific» statement given about a food, the one thing one always needs to keep in mind is that food is not a static entity, like a chemical listed in the periodic table of elements.
Stepping out onto the Wetherby Road pitch in yellow and black every week, they shunned the name Yellows — unlike North Leigh and AFC Sudbury — in favour of The Sulphurites, a chemical element with a bright yellow colour.
Some ingredients from just one of the manufacturers we carry: — Recycled Rubber wood (clean, natural rubber wood recycled from rubber trees no longer able to produce latex); — Non-Chemical Preservative Wood (stabilized using a chemical - free kiln - drying process); — Non-Formaldehyde Glue (toys assembled using a non-formaldehyde glue in place of the traditional toxic wood glue); — Water Based Dye (non-toxic, water based dyes to add accent colors to products, containing no heavy metal elements such as lead, mercury, etc..)
Using a strict definition, a molecule does not contain ions in its chemical formula, although some types of molecules contain elements which can be ionized.
What makes the difference in brands is the ratio of these basic elements, as well as the amount of synthetic nutrients, chemicals and other additives.
Because no chemicals are used in the growing and processing of eco friendly cotton, wool and bamboo woods (used in cribs), there are no toxic elements in the materials coming into contact with your baby's skin.
Douching introduces unnecessary elements into the delicate pH balance of the V. Plus, certain chemical agents in a douche may upset the delicate tissues of the V, and make a mom's body feel a little upset at the unnecessary intrusion.
If the G8 were to arm the rebels, who have known extremist elements, and they succeeded in expelling Assad, the rebels would then inherit the known chemical weapons of Syria.
Most, perhaps even all, of the chemical elements heavier than iron are forged in the chaos of the explosion.
The periodic table of the chemical elements is a tabular method of displaying the chemical elements, first devised in 1869 by the Russian chemist Dimitri Mendeleev.
In both cases they throw out into the interstellar medium the chemical elements synthesized in the interiors of the starIn both cases they throw out into the interstellar medium the chemical elements synthesized in the interiors of the starin the interiors of the stars.
Both methods resulted in the creation of novel functional elements that respond to a combination of one chemical and one physical signal, in this instance temperature.
To achieve this, the group synthesized a series of mixed crystals with the chemical formula Ni1 - xCuxCr2O4 in which the element nickel was successively replaced by copper.
In a new study, Scripps Institution of Oceanography at the University of California San Diego Professor James Day and colleagues examined the chemical composition of zinc and other volatile elements contained in the green - colored glass, called trinitite, which were radioactive materials formed under the extreme temperatures that resulted from the 1945 plutonium bomb explosioIn a new study, Scripps Institution of Oceanography at the University of California San Diego Professor James Day and colleagues examined the chemical composition of zinc and other volatile elements contained in the green - colored glass, called trinitite, which were radioactive materials formed under the extreme temperatures that resulted from the 1945 plutonium bomb explosioin the green - colored glass, called trinitite, which were radioactive materials formed under the extreme temperatures that resulted from the 1945 plutonium bomb explosion.
This new finding fills in a long - missing piece in the puzzle representing our galaxy's chemical evolution, and is a big step forward for astronomers trying to understand the amounts of different chemical elements in stars in the Milky Way.
Biologists now know that the genome sequence holds only a small part of the answer, and that key elements of development and disease are controlled by the epigenome — a set of chemical modifications, not encoded in DNA, that orchestrate how and when genes are expressed.
Roughly 800 million years ago, in the late Proterozoic Eon, phosphorus, a chemical element essential to all life, began to accumulate in shallow ocean zones near coastlines widely considered to be the birthplace of animals and other complex organisms, according to a new study by geoscientists from the Georgia Institute of Technology and Yale University.
Regolith X-ray Imaging Spectrometer (REXIS)-- A student experiment provided by the Massachusetts Institute of Technology (MIT) and Harvard University in Cambridge, which will observe the X-ray spectrum to identify chemical elements on Bennu's surface and their abundances.
Because a majority of the herbs used in TCM have not been extensively evaluated, the current research trend is toward the isolation and elucidation of the chemical structure of all elements contained in the herbs.
The zinc that was present was enriched in the heavier and less - reactive isotopes, which are forms of these elements with different atomic mass but the same chemical properties.
The Population I category includes the Sun; these stars are rich in heavier chemical elements and form the disc of the Milky Way.
Observations of Nova Centauri 2013 made using telescopes at ESO's La Silla Observatory, and near Santiago in Chile, help to explain the mystery of why many young stars seem to have more of this chemical element than expected.
Now, a 15 - year, 30 - nation research collective called Geotraces is embarking on an ambitious global survey of ocean chemistry to quantify trace elements and shed light on how chemical concentrations fluctuate in response to changing environmental conditions.
Metals (elements heavier than hydrogen and helium) are created in the interiors of stars as they evolve and then released into surrounding gas through supernova explosions or stellar winds (often referred to as chemical evolution).
A UT physicist has been instrumental in the discovery of four new super-heavy chemical elements — atomic numbers 113, 115, 117, and 118 — recently added to the periodic table.
Stars exploding as supernovae are the main sources of heavy chemical elements in the Universe.
They're also interested in investigating such processes for the biorecovery of valuable or scarce metal elements in other chemical forms.
Brown dwarfs can be thought of as failed stars because they are too small to fuse chemical elements in their cores.
Previous studies have shown that fracking fluids contain high levels of salts, barium and radioactive elements, in addition to human - made chemicals added in the process of hydraulic fracturing.
First, the origin of many heavy chemical elements in the universe, including gold and platinum, has long been a puzzle.
When researcher Georgy Belyanin analyzed the mineral grains in the inclusions in Hypatia, (represented by the nuts and cherries of a fruitcake), a number of most surprising chemical elements showed up.
The number of protons in an atom defines the chemical element to which it belongs, while the number of neutrons determines the isotope of the element.
In chemistry and physics, an atom is the smallest particle of a chemical element that retains its chemical properties.
They calculated which chemical groups of the periodic table have elements that are more likely to coexist in a chiral crystal.
While researching the disintegration of radioactive elements with Ernest Rutherford, Soddy in 1910 observed that elements of different atomic weights sometimes had the same chemical properties.
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