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 element
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 element
in 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 star
In both cases they throw out into the interstellar medium the
chemical elements synthesized
in the interiors of the star
in 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 explosio
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 explosio
in 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.