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Showing 1 to 12 of 194 entries
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Exploring the Foundations of the Future STEM Workforce: K-12 Indicators of Postsecondary STEM Success. REL 2016-122

Stem workforce diversity

Jaciw A, Rapaport A.
GSID: cIPASxQvXQQJ
T Hinojosa, A Rapaport, A Jaciw, J Zacamy - Regional Educational Laboratory …, 2016 - ERIC

The number of jobs in science, technology, engineering, and math (STEM) is growing rapidly and is expected to increase by approximately 1 million in the United States between 2012 and 2022 (Vilorio, 2014). But people of many racial/ethnic minorities,...

An experimental setup to study delayed electron emission upon photoexcitation of trapped polyatomic anions.

The Review of scientific instruments

Saha K, Prabhakaran A, Chandrasekaran V, Rappaport ML, Heber O, Zajfman D.
PMID: 28571459
Rev Sci Instrum. 2017 May;88(5):053101. doi: 10.1063/1.4982034.

A Velocity Map Imaging (VMI) spectrometer has been designed and integrated with an electrostatic ion beam trap to study delayed electron emission from trapped polyatomic anions upon photodetachment. The VMI spectrometer is small in size and can record a...

GLOGER'S RULE AND PIGMENTATION OF COLLEMBOLA.

Evolution; international journal of organic evolution

Rapoport EH.
PMID: 28562873
Evolution. 1969 Dec;23(4):622-626. doi: 10.1111/j.1558-5646.1969.tb03545.x.

No abstract available.

[Relations between clinical physicians and pathologists].

Revista de la Asociacion Medica Argentina

RAPAPORT M.
PMID: 13255116
Rev Asoc Med Argent. 1955 Jun 15-30;69(797):156-63.

No abstract available.

'Inverse' melting of a vortex lattice.

Nature

Avraham N, Khaykovich B, Myasoedov Y, Rappaport M, Shtrikman H, Feldman DE, Tamegai T, Kes PH, Li M, Konczykowski M, van der Beek K, Zeldov E.
PMID: 11373671
Nature. 2001 May 24;411(6836):451-4. doi: 10.1038/35078021.

Inverse melting is the process in which a crystal reversibly transforms into a liquid or amorphous phase when its temperature is decreased. Such a process is considered to be very rare, and the search for it is often hampered...

Physicians' responsibility for medical and surgical dermatology.

Archives of dermatology

Rapaport M.
PMID: 10456357
Arch Dermatol. 1999 Aug;135(8):991. doi: 10.1001/archderm.135.8.991.

No abstract available.

Ion motion synchronization in an ion-trap resonator.

Physical review letters

Pedersen HB, Strasser D, Ring S, Heber O, Rappaport ML, Rudich Y, Sagi I, Zajfman D.
PMID: 11497779
Phys Rev Lett. 2001 Jul 30;87(5):055001. doi: 10.1103/PhysRevLett.87.055001. Epub 2001 Jul 12.

Using a new type of ion trap, we demonstrate that the length of a packet of charged particles oscillating between two electrostatic mirrors will remain constant under special conditions. The effect can be understood in terms of phase synchronization,...

Hexagonal convection patterns in atomistically simulated fluids.

Physical review. E, Statistical, nonlinear, and soft matter physics

Rapaport DC.
PMID: 16605387
Phys Rev E Stat Nonlin Soft Matter Phys. 2006 Feb;73(2):025301. doi: 10.1103/PhysRevE.73.025301. Epub 2006 Feb 14.

Molecular dynamics simulation has been used to model pattern formation in three-dimensional Rayleigh-Bénard convection at the discrete-particle level. Two examples are considered, one in which an almost perfect array of hexagonally shaped convection rolls appears, the other a much...

An abbreviated review of immune abnormalities in schizophrenia.

CNS spectrums

Rapaport MH, Delrahim KK.
PMID: 15999027
CNS Spectr. 2001 May;6(5):392-7. doi: 10.1017/s1092852900021763.

Initial investigations of the possible interaction between schizophrenia and the immune system began in the early 1900s and have proceeded in a rather halting fashion because of the methodological challenges faced by investigators. However, a confluence of recent data...

Role of reversibility in viral capsid growth: a paradigm for self-assembly.

Physical review letters

Rapaport DC.
PMID: 18999841
Phys Rev Lett. 2008 Oct 31;101(18):186101. doi: 10.1103/PhysRevLett.101.186101. Epub 2008 Oct 28.

Self-assembly at submicroscopic scales is an important but little understood phenomenon. A prominent example is virus capsid growth, whose underlying behavior can be modeled using simple particles that assemble into polyhedral shells. Molecular dynamics simulation of shell formation in...

Simulational nanoengineering: Molecular dynamics implementation of an atomistic Stirling engine.

Physical review. E, Statistical, nonlinear, and soft matter physics

Rapaport DC.
PMID: 19518394
Phys Rev E Stat Nonlin Soft Matter Phys. 2009 Apr;79(4):047702. doi: 10.1103/PhysRevE.79.047702. Epub 2009 Apr 30.

A nanoscale-sized Stirling engine with an atomistic working fluid has been modeled using molecular dynamics simulation. The design includes heat exchangers based on thermostats, pistons attached to a flywheel under load, and a regenerator. Key aspects of the behavior,...

Photoluminescence ring formation in coupled quantum wells: excitonic versus ambipolar diffusion.

Physical review letters

Stern M, Garmider V, Segre E, Rappaport M, Umansky V, Levinson Y, Bar-Joseph I.
PMID: 19113751
Phys Rev Lett. 2008 Dec 19;101(25):257402. doi: 10.1103/PhysRevLett.101.257402. Epub 2008 Dec 19.

In this Letter, we study the diffusion properties of photoexcited carriers in coupled quantum wells around the Mott transition. We find that the diffusion of unbound electrons and holes is ambipolar and is characterized by a large diffusion coefficient,...

Showing 1 to 12 of 194 entries