Sentences with phrase «phase transition using»

We model this phase transition using density functional theory by minimizing the Helmholtz free energy using the elastic and quasi-harmonic approximations and Gruneisen theory.
The University of Arkansas research team investigated the liquid — liquid phase transition using a simulation model called Water potential from Adaptive Force Matching for Ice and Liquid (WAIL).

Not exact matches

FlexJobs has helped so many people transition to the next phase of their career using work flexibility as a key ingredient, whether that means coming back to work, finding a job working from home, starting a freelance career, or leaning out from full - time to part - time.
It now seems certain that we shall have to phase out the use of these sources of energy well before the reserves are gone if we are to make the transition to the ecologically sustainable society.
They used this not only to counter-press West Ham, but to win the attacking transition phases with unstoppable counters.
Ti (3) SiC (2) was the first MAX phase Drexel researchers tried to selectively etch in 2011, but synthesis failed using hydrofluoric acid alone because the silicon atoms are strongly bound to the adjacent transition metal atoms.
Using a mathematical model known as the Ising model, invented to describe phase transitions in statistical physics, such as how a substance changes from liquid to gas, the Johns Hopkins researchers calculated the probability distribution of methylation along the genome in several different human cell types, including normal and cancerous colon, lung and liver cells, as well as brain, skin, blood and embryonic stem cells.
«Using cerium allows us to gain a fundamental understanding of a wide range of phenomena related to the multiphase properties of materials, including how strength evolves following phase transitions,» said Brian Jensen, who is a physicist and team leader in the Shock and Detonation Physics Group at the U.S. Department of Energy's (DOE) Los Alamos National Laboratory (LANL).
The researchers believed that by triggering the microglia to transition from phase 1 to phase 2 more quickly by using the drug, they could improve the zebrafishes» regenerative capabilities.
The use of reversible logic gates and the regularity of the lattice were crucial ingredients in avoiding the phase - transition snag, Mucciolo said.
A joint research group succeeded in observing the topological phase transition in which a material changes to the topological electronic phase by using soft X-rays, light suitable for determining the topology of materials by their substances rather than by their appearance.
Using a new technique, Van Heumen and McLeod are now able to visualise the changes taking place in the material during such a phase transition on the nanometer scale.
Silica's various high - pressure forms make it an often - used study subject for scientists interested in the transition between different chemical phases under extreme conditions, such as those mimicking the deep Earth.
«The test with the bulk sample showed us that the Raman signals can be used as a kind of the fingerprint of phase transition at temperatures around 118 Kelvin, or minus 155 degrees Celsius.
However, despite the huge importance this theory has in the following development of the whole physics of phase transitions, it has never been tested experimentally using a real magnetic material.
In the future, this technique might be used to explore quantum phase transitions and long - range quantum magnets.
To observe and demonstrate that the material did indeed go through this phase transition when the voltage was applied, the team used a technique called in - situ X-ray diffraction at MIT's Center for Materials Science and Engineering.
A research team led by Shunsuke Yoshizawa, ICYS researcher, NIMS, Takashi Uchihashi, leader of the Surface Quantum Phase Materials Group, MANA, NIMS, Emi Minamitani, assistant professor, School of Engineering, University of Tokyo, Toshihiko Yokoyama, professor, IMS, NINS, and Kazuyuki Sakamoto, professor, Graduate School of Advanced Integration Science, Chiba University, succeeded in precisely controlling the transition temperature of atomic - scale - thick superconductors using magnetic organic molecules.
Two Argonne physicists offered a way to mathematically describe a particular physics phenomenon called a phase transition in a system out of equilibrium (that is, with energy moving through it) by using imaginary numbers.
Related research (Pereira HJ, et al., 2012) used two different lines of evidence to explain the increase in the ratio of anteiso — to iso - branched alkenes that was observed during the transition from early to late stationary phase in M. luteus: structural studies of a key enzyme involved in fatty acid biosynthesis in M. luteus (FabH, or ß - ketoacyl - ACP synthase III) and transcriptional (whole - genome microarray) studies of M. luteus during different growth phases.
Avadh Saxena has shown how materials modeling methods can be used to answer many key questions in materials science, thereby becoming an international authority in phase transitions in both functional materials and nonlinear excitations in low - dimensional electronic materials.
There is increasing evidence in humans and laboratory animals for biologically - based sex differences in every phase of drug addiction including acute reinforcing effects, transition from occasional to compulsive use, withdrawal - associated negative affective states, craving, and relapse.
The technique could lead to a greater understanding of theoretical predictions in quantum phase transitions because the experimental parameters used in the Rice experiments are highly adjustable, according to Kono.
A broad class of electronic phase transitions in individual nanomaterials can now be studied directly using 4D - EM.
REU participants will conduct original research via specially designed student projects within three main foci: 1) Microgel and Hydrogel Nanoparticles: Designing environmentally sensitive nanoparticles for a variety of applications and fundamental studies of volume phase transitions; 2) Anisotropic Soft Matter Thin Films: Driving self - assembly of soft matter to develop thin films with unique properties tied to the shape anisotropy of the materials; and 3) Soft Matter Fluid Flow: Striving to better understand and to improve mixing in liquid soft matter systems and use liquid flow to test and understand biological phenomena.
She'll share what she's learned in her years of experience using TCM to help patients heal from these diagnoses, allowing for smooth transitions through all of these life phases.
Comparing the use of a barbell or a barbell plus chains for the clean, using 75 % or 80 % of 1RM with 5 % of chains replacing the same weight of barbell, Berning et al. (2008) found that there was no difference between conditions in relation to peak vertical displacement, peak velocity or rate of force production in the first - pull, transition, or second - pull phases of the clean.
Using the Center for Epidemiological Studies of Depression scale, the researchers found that the probability of a high depression score (more than 16) was 4-fold greater during the menopausal transition than during the premenopausal phase.
After the dietary transition, a base building phase of 2 - 3 weeks using the MMAF is utilized to establish an aerobic base where fat is all or almost all of the energy used for exercise.
The four phases are supported by 21 transition activities designed to help leaders develop practices that they can use the rest of their career.
Accordingly, Johnson uses these works to explore what it means to exercise aesthetic agency during a phase of violent global transition.
Enhance Cooperation on Hydroflurocarbons (HFCs): Building on the historic Sunnylands agreement between President Xi and President Obama regarding HFCs, the United States and China will enhance bilateral cooperation to begin phasing down the use of high global warming potential HFCs, including through technical cooperation on domestic measures to promote HFC alternatives and to transition government procurement toward climate - friendly refrigerants.
If we could get through this next transition phase into a world where we use coal because we have to, but capture its emissions because we can, the screaming could ease.
Most developed countries supported a text calling for a transition to a green economy that included phasing out fossil fuel subsidies, the use and production of renewable energies, and creating «green» jobs in this new economic model.
In 1975 Wallace Broeker (the guy who first used the phrase «global warming», predicted a rapid transition to warming in the 1980s, caused by a combination of rapidly rising CO2 emissions and a natural temperature cycle (derived from work on Greenland ice cores at Camp Century) which showed a rapid warming phase up to 1940, followed by the cooling phase which was attenuated by CO2.
If the phase transition of QCD at nonzero temperature is dominated by the (approximate) restoration of chiral symmetry, then the transition might be characterized using a gauged linear -LCB- sigma -RCB- model.
The widespread use of the HFC blends would also put the United States on a different transition pathway than many other countries implementing national policies to encourage a more rapid transition to the lowest - GWP alternatives, and threaten to undermine U.S. leadership toward an ambitious global HFC phase down.
In discussions of global change, the term tipping point has been used to describe a variety of phenomena, including the appearance of a positive feedback, reversible phase transitions, phase transitions with hysteresis effects, and bifurcations where the transition is smooth but the future path of the system depends on the noise at a critical point.
I illustrated the following scenario: — wartime transition to 75 % engine inlets in December 1941 as per Folland's original adjustment (80 % is estimated in Thompson et al.)-- a return to «business as usual» engine inlet measurement proportion in 1946, using the 10 % proportion later observed in 1970 in the Kent et al 2007 study; — phasing in the Folland adjustment for engine inlets between 1970 and 2000, rather than instantaneously in 1941.
He is certified to use the Myers Briggs Type Indicator and several Lominger leadership development tools when his clients are in the assessment phase of career transition work and he draws on his draws on his corporate and agency recruiting background when they are in the interview and negotiation phases.
• Worked with senior analyst to gather data for modeling and documenting business process • Used IBM Rational Assist to create business model artifacts, incorporate requirements and develop transition plans for new business systems • Supported senior analyst in communicating new procedures to members of staff and assisted personnel through all phases of transitions
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