Sentences with phrase «elemental composition»
"Elemental composition" refers to the types and amounts of elements that make up a substance or material. It describes what the substance is composed of at the most basic level. Full definition
Johns Hopkins Applied Physics Laboratory in Laurel, Maryland: «Planetary Object Geophysical Observer (POGO),» a secondary payload that is a hopper to be dropped on the asteroid surface by the Asteroid Retrieval Vehicle to measure elemental composition of asteroid regolith at multiple locations.
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«We applied a new technique called X-ray fluorescence microscopy — it looks at elemental composition,» said Marshall.
Like ChemCam, SuperCam will use Laser - Induced Breakdown Spectroscopy (LIBS), which can determine a target's elemental composition from over six metres away.
The X-ray fluorescence spectrometers measured elemental composition of the Martian soil.
The seven candidate interstellar particles are diverse in elemental composition, crystal structure, and size.
The Sloan Digital Sky Survey is responsible for creating the most detailed three - dimensional maps of the universe ever made, with deep multicolor images of one third of the sky, and characterizing the spectra, which provides information about elemental composition, of more than 3 million astronomical objects.
The team, which included other geochemists, palaeoecologists and geologists from UCL and the universities of Edinburgh, Leeds and Cambridge, as well as the Geological Survey of Namibia, analysed the chemical elemental composition of rock samples from the ancient seafloor in the Nama Group - a group of extremely well - preserved rocks in Namibia that are abundant with fossils of early Cloudina, Namacalathus and Namapoikia animals.
Hence, it is quite likely that all three stars formed together from the same nebula at roughly the same time and so should share a similar elemental composition.
Now by analyzing its velocity, light intensity, and for the first time its tell - tale elemental composition, Carnegie astronomers Alceste Bonanos and Mercedes López - Morales, and collaborators Ian Hunter and Robert Ryans from Queen's University Belfast have determined that it came from our neighboring galaxy, the Large Magellanic Cloud (LMC).
Geochemists or cosmochemists quote elemental compositions in atoms per 1000atoms of silicon.
The analysis revealed the molecular and elemental composition of the paint and the medium used to bind the paint: The scientists discovered that the painting was made using encaustic — a technique that uses a mixture of pigment and melted beeswax that is «burned in» on a wooden base.
«We applied a new technique called X-ray fluorescence microscopy — it looks at elemental composition,» confirmed Marshall.
«MS has come a long way, and systems that provide «extreme resolution» enable researchers to read out elemental compositions from the so - called «isotopic fine structure,»» says Barsch, «but if a real unknown — something not in a database — appears in a sample, then you need de novo structural elucidation capabilities, and that's a key job of NMR.»
After 20 years, Grabner continues to make these weavings, which not only underscore her concepts about elemental compositions and process, but also seem to satisfy another impulse — productivity.
The Alpha Particle X-ray Spectrometer, or ASPX, that irradiates samples of Martian soil to determine the elemental composition of the soil.
Near Infra - Red (NIR) spectroscopy enables an analysis of the molecular structure of a product whilst x-rays, fluorescent lighting and lasers measure the elemental composition of objects.
The elemental composition of the meteorite strongly resembles that of rocks examined in 2005 by NASA's Spirit rover at Gusev Crater.
With these molecular clusters, we have complete control over their structure with atomic precision and can change the elemental composition and structure in a controllable manner to elicit certain electrical response.»
«So then you have to try to infer the elemental composition from a combination of different lab experiments with different samples.»
The interstellar dust candidates are readily distinguished from debris impacts on the basis of elemental composition and / or impact trajectory.
This year's festival theme is AIR, in all its forms and meanings: respiration, aeronautics, the elemental composition of the atmosphere, weather, climate, sublimation, gas properties, the mechanics of sound, and all of the mundane and esoteric ways in which air touches everything in and beyond our world.
For example, high - resolution, accurate - mass (HRAM) MS can reveal the elemental composition of unknown compounds.
Clara Moskowitz: Well, by studying their characteristics, their shape and elemental composition we can tell a lot about them, so then they can plug all that information into models and see what might have created a galaxy that looked like that.
The researchers used high - resolution scanning electron microscopy with energy dispersive x-ray analysis to study microstructure and elemental composition, and high - resolution x-ray photoelectron spectroscopy for more detailed chemical characterization.
In the following two years, the orbiter maps the planet's surface and takes measurements about radiation and elemental composition.
The analysis of ARIEL spectra and photometric data will allow to extract the chemical fingerprints of gases and condensates in the planets» atmospheres, including the elemental composition for the most favorable targets.
If I'm not in the synthesis lab, you could probably find me in the Penn State Materials Characterization Lab using one of the transmission electron microscopes (TEM) to take a look at the morphology of my nanoparticle samples, to analyse their crystal structures (using selected - area electron diffraction or high - resolution TEM), or to assess their elemental composition using STEM - EDS (energy dispersive spectroscopy) mapping.
Her work has focused on developing new synthetic and post-synthetic modification strategies in order to produce inorganic nanomaterials with precise control over product morphology, elemental composition, and crystal structure in a variety of material systems.
Methods: This technique begins with XPS, which is used commercially and scientifically to determine the chemical state, elemental composition, and other details about materials.
Scientists using NASA's Hubble and Spitzer space telescopes in concert have examined the elemental composition of a distant exoplanet's atmosphere in the highest detail yet.
The shades of color represent variations in the temperature and density of the gas, as well as changes in the elemental composition.
It is also thought that hydrothermal vents may regulate the chemistry of the global oceans and could be responsible for the elemental composition of seawater as a whole.
You will learn how the Mars Odyssey spacecraft gets to Mars and how it examines and determines the elemental composition of the planet.
Tungsten contains one isotope of mass 182 that is created when an isotope of the element hafnium undergoes radioactive decay, meaning its elemental composition changes as it gives off radiation.
Although the previous study was able to roughly estimate the star's elemental composition, the measurements were not detailed enough to determine if the elements match stars in our galaxy, or are characteristic of stars from the Large Magellanic Cloud.
MATERIALS STRUCTURE CHARACTERIZATION INTERN: Wenyu Huang The student in this CCI internship will focus on identifying the elemental composition and structure of nanomaterials synthesized for catalytic reactions.
To sample the vehicles and car seats, experts at the Ecology Center used a portable X-Ray Fluorescence (XRF) device, which identifies the elemental composition of any material in less than 60 seconds.
For the past year, Cody Hudson has taken his elemental compositions, typically applied to birch panels, and translated them to stretched linen, augmenting their painterliness and deepening their relationship to a painting tradition.
The materiality of the object, in both its elemental composition and surface appearance, is at the heart of Quinn's work.
The team analyzed the elemental composition at Namibia's ancient seafloor in the Nama Group.
«What's emerging is a lot of willingness to go low energy, to drive the elemental composition as hard as possible.