While it might seem strange to lump over one hundred
chemical elements into a single category, hydrogen and helium make up over 98 per cent of a star's total mass.
Utilizing the X-ray fluorescence method in their studies, the researchers took advantage of the fact that X-rays can excite
chemical elements into fluorescence, a short - term radiation emission.
As another example, if the relationship between the strengths of the gravitational force and the electromagnetic force were not close to what it is, then the cosmos would not harbor any stars that explode and spew out life - supporting
chemical elements into space or any other stars that form planets.
Not exact matches
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!»
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.
In both cases they throw out
into the interstellar medium the
chemical elements synthesized in the interiors of the stars.
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).
Their fundamental discoveries may aid research
into the management of nuclear waste, by helping scientists understand how
chemicals can be used to separate the most radioactive
elements.
The outer layers of the dying star are expelled
into circumstellar space, and with them all the
chemical elements that the star has assembled by nuclear burning during its life.
An international project, involving oceanographers from the University of Southampton, has produced a «
chemical atlas» providing unprecedented insight
into the distributions of key
elements, isotopes and other substances in the world's oceans.
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.
Our world consists of complex hierarchies of about 100 different
chemical elements, and it is the arrangement of these
elements into molecules that gives rise to the rich set of materials around us — from the sugar molecules...
And Laporte concludes: «Further measurements of this kind offer the exciting prospect of tracing early star formation and the creation of the heavier
chemical elements even further back
into the early Universe.»
Like little
chemical reactors, the bacteria release the
element as a gas
into the atmosphere, leaving nothing nutritious to plants behind.
Until now, the prevailing hypothesis has said that as stars evolve, metals (astronomers» term for any
chemical elements heavier than hydrogen and helium) in the swirling disk around them form tiny «seeds» that attract other matter and slowly grow
into planets.
Dr. Walter Voit led the team that created «Polycraft World,» an adaptation or «mod» for «Minecraft» that allows players to incorporate the properties of
chemical elements and compounds
into game activities.
He and his team converted the lava deposits»
element ratios
into the
chemical building blocks that make up rock, then followed this recipe to create synthetic rocks representing each lava deposit.
The privately funded Space Studies Institute, which he ran in Princeton, built working models of «mass drivers», electromagnetic launchers for putting payloads
into lunar orbit, and commissioned investigations
into the most efficient
chemical reactions for extracting oxygen and other useful
elements from the Moon.
It is produced in such large volumes because it can be easily combined with other
elements and molecules, transforming it
into new classes of
chemicals.
The scientists incorporated a variety of physical processes in the calculations, including three that are considered particularly important for the development of the visible universe: first, the condensation of matter
into stars, second, their further evolution when the surrounding matter is heated by stellar winds and supernova explosions and enriched with
chemical elements, and third, the feedback of supermassive black holes that eject massive amounts of energy
into the universe.
He has excelled in three disparate areas of inorganic chemistry; modern f -
element chemistry, energy production and storage, and advances in conversion of biologically derived carbohydrates
into chemical feedstocks and fuels.
Finally, the names for new
chemical elements in English should allow proper translation
into other major languages.
These
chemical elements, some of them newly created during the evolution and explosion of the star and now blasted back
into space, will eventually be incorporated
into new stars and planets.
Oxygen, the third-most abundant
chemical element in the Universe, is created inside stars and released
into interstellar gas when stars die.
They lived for only a million years before they exploded spectacularly, shooting the
chemical elements accumulated inside their cores
into space.
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.
If I understand Linus Pauling's work, on the
chemical bond, and I don't, Salt does not really disassociate
into Sodium and Chlorine ions in the body when dissolved in the blood unless the body wants to use either of those
elements.
n. Symbol Xe A colorless, odorless, noble gas
Chemical element: Chemical element, any substance that can not be decomposed into simpler substances by ordinary chemical pr
Chemical element:
Chemical element, any substance that can not be decomposed into simpler substances by ordinary chemical pr
Chemical element, any substance that can not be decomposed
into simpler substances by ordinary
chemical pr
chemical processes.
After creating a hyper - stylized art deco backdrop and playing with a bit of straightforward character development that makes Rogers something resembling a human being before pumping him full of mysterious
chemicals that transform him
into a super version thereof (The irony of using genetic experimentation to create a race of supermen to fight the Nazis is lost on just about everyone here), the movie gradually loses its design flair and human
element for hastily assembled sequences of derring - do.
However, the version differs in that instead of cramming all the information for an
element into one little square, you can select a
chemical attribute and have the entire chart color coded to plainly show how the different
elements vary with regard to the selected trait.
Familiar examples include a
chemical compound (a substance composed of two or more
elements) and a hospital / medical compound (a building where two or more functions, like surgery, doctors» offices, nursing care and laboratory, are combined
into one large facility).
Neutron repulsion in the core of the Sun triggers the conversion of tightly confined neutrons
into atoms of
chemical elements.
With most temperatures on the ground still at well above freezing This is a result of
chemical ice nucleation
elements that are being utilized on an unimaginable scale as the climate engineers try desperately to turn warmth
into winter.