Muro has extra final exam in spring semester
Ajouté le 16/5/2012
Final exams are almost over for
University of Texas at Brownsville and Texas Southmost College students, but
Alainey Muro has one more major test to take.
The freshman from McAllen
High will be playing in the 20th annual NAIA Women’s Golf National Championship,
starting Tuesday at Link Hills Country Club in Greenville, Tenn.
And
she’s taking this test just as seriously as she would any other exam in an
academic setting.
"I’m on a mission," Muro said. "I’ve been working
hard. I’m pretty positive that I’m going to play well."
Playing at the
national tournament is the culmination of a surprising season for Muro, who
qualified for the event by breaking the school record for a two-round tournament
with a 145 at the NAIA Unaffiliated No. 3 Tournament on April 23 and 24 in
Oklahoma City.
Muro is one of 144 players taking aim at the national
championship, but comes into the field as one of the hottest golfers in the
NAIA. She qualified with one-over-par 145. Only Anna Arrese of Oklahoma
Christian University (142) and Jessica Schele of Oklahoma City University (144),
two of the top golfers in the NAIA, had better scores in their conference
tournaments.Here's a complete list of oil painting supplies for the beginning
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The best 72 scores after Thursday’s third round will play
in the final round Friday.
If Muro plays like she did in the qualifier
tournament, she could be in the thick of chase for the individual national
championship.
"I want to go out there and try to win it," Muro said.
"I’m going in with a positive attitude. In practice the last two weeks, I’ve
been striking the ball exactly the way I did at conference. I want to play the
way I have been playing. If I do, I’ll have a shot."
Muro becomes the
second golfer in the history of the Scorpions golf program to advance to the
national tournament. April Martinez qualified for the event as a senior in 2009,
but she also qualified for the NJCAA national championship as a freshman in
2006.
Martinez held the school record for the best round of golf with a
71, a score Muro tied in the first round at the conference qualifier. She
remembers being very focused that first day in the qualifier.
"It was
awesome there and seemed so unrealistic,Ekahau rtls is the only Wi-Fi based real time
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was doing. I was just making pars, pars, pars and birdies started dropping. I
realized " ‘Oh my gosh,Features useful information about glass mosaic
tiles. I could be in the lead after the first day,’ and I was."
Muro was
tied for the lead after the first day with the 1-under-par 71, which marked the
first time in her life she had recorded a score under par in a tournament.
"That night I couldn’t even sleep. I only slept about five hours before
the second day. I knew I had to play consistent the second day to have a shot at
it. I held it on the second day, and I’m glad I did."
Muro fired a
2-over-par 74 for a 145, running away with the individual title by seven shots.
The 145 also broke Martinez’s school record of 161 for a two-round
tournament.Painless Processing provides high risk
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McAllen High.
"I didn’t expect the conference win," she said. "I just
wanted to qualify, whether it was winning or placing with the team. I knew that
I had a shot to make it to nationals if I played the way I know that I could. I
just had a couple of things that I need to fix. Coach (Anthony Lopez) has helped
me improve a great deal."
Said Lopez, "This spring she really dedicated
herself. She spent a lot more time by herself practicing, and that’s what has
helped her out. Everything climaxed at conference. It was the culmination of
having a couple of weeks, and getting some good practice in and being ready for
it."
"She definitely has a chance to compete," Lopez said. "If she plays
her game and feels good when she’s there, she can definitely hang in there with
anyone."
Getting off to a good start in the first round will be crucial.
"I want to play the way I did at conference, with a lot of confidence,"
Muro said. "I didn’t expect all of this hype in my first year. Now my goal is
going to be to get to the national tournament every year and hopefully win
it."
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Topological Insulators Open a Path to Room-Temperature Spintronics
Ajouté le 16/5/2012
Strange new
materials experimentally identified just a few years ago are now driving
research in condensed-matter physics around the world. First theorized and then
discovered by researchers at the U.S. Department of Energy’s Lawrence Berkeley
National Laboratory (Berkeley Lab) and their colleagues in other institutions,
these “strong 3-D topological insulators” – TIs for short – are seemingly
mundane semiconductors with startling properties. For starters, picture a good
insulator on the inside that’s a good conductor on its surface – something like
a copper-coated bowling ball.
A topological insulator’s surface is not
an ordinary metal, however. The direction and spin of the surface electrons are
locked together and change in concert. And perhaps the most surprising
prediction is that the surface electrons cannot be scattered by defects or other
perturbations and thus meet little or no resistance as they travel. In the
jargon, the surface states remain “topologically protected” – they can’t scatter
without breaking the rules of quantum mechanics.
“One way that electrons
lose mobility is by scattering on phonons,” says Alexis Fedorov, staff scientist
for beamline 12.0.1 of Berkeley Lab’s Advanced Light Source (ALS). Phonons are
the quantized vibrational energy of crystalline materials,Here's a complete list
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beginning oil painter. treated mathematically as particles. “Our recent work on
a particularly promising topological insulator shows that its surface electrons
hardly couple with phonons at all. So there’s no impediment to developing this
TI for spintronics and other applications.Ekahau rtls is the only Wi-Fi based real time
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The TI in question is bismuth selenide, Bi2Se3, on whose
surface electrons can flow at room temperature, making it an attractive
candidate for practical applications like spintronics devices, plus farther-out
ones like quantum computers. Much of the research on electron-phonon coupling in
Bi2Se3 was conducted at beamline 12.0.1 by a team including Fedorov, led by
Tonica Valla of Brookhaven National Laboratory. Their results are reported in
Physical Review Letters.
To study a TI’s surface conductivity, electron
transport on its surface has to be separated from total conductivity, including
the poorly conducting bulk. One experimental technique, called angle-resolved
photoemission spectrometry (ARPES), is adept at doing just this.
ARPES
shines bright light, like that produced by the Advanced Light Source, on a
sample and captures the electrons that the energetic photons knock free. By
recording the angle and energy of these photoemitted electrons on a CCD
detector,TBC help you confidently buy
mosaic from factories in China. ARPES gradually builds up a direct graphic
visualization of the sample’s electronic structure.
“Of the several
ARPES beamlines at the ALS, beamline 12.Omega Plastics are leading plastic injection moulding and injection
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resolution, and flux for research on topological insulators,” says Fedorov.
“This beamline was used for some of the first experiments establishing that 3-D
TIs actually occur in nature, and several teams have worked here validating the
characteristics of TIs.”
The photoemitted electrons in an ARPES
experiment directly map out such features as the material’s band structure – the
energy difference, or gap, between electrons bound in atoms’ outer shells, the
valence band, and charge carriers that are free to rove, the conduction band.
Insulators have wide band gaps, semiconductors have narrower ones.
The
band structure of the surface states of a topological insulator like Bi2Se3
appear as two cones that meet at a point, called the Dirac point. There’s no gap
at all between the valence and conduction bands, only a smooth transition with
increasing energy. This is similar to the band structure of the fascinating
material graphene, a single sheet of carbon atoms, the thinnest possible
surface. ARPES diagrams of band structures like these look like slices through
the cones, an X centered on the Dirac point.
Although graphene and
topological insulators have similar band structures, other electronic
characteristics are very different. The combinations of different speeds and
orientations equivalent to a material’s highest particle energies (at zero
degrees) make up its momentum space,Painless Processing provides high risk merchant account solutions. mapped by
the Fermi surface. While the Fermi surface of graphene lies between the conical
bands at the Dirac point, this is not true of TIs. The Fermi surface of Bi2Se3
cuts high across the conical conduction band, mapping a perfect circle. It’s as
if the circular Fermi surface were drawn right on the surface of the topological
insulator, showing how spin-locked surface electrons must change their spin
orientation as they follow this continually curving path.
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Biodico Lands $2 Million Grant
Ajouté le 16/5/2012
For years now, the biodiesel industry has been led by
the pioneering and innovative strides of Santa Barbara-based Biodico. Its
president, Russell Teall, a UCSB graduate, founded the company in the mid 1990s,
and since then the biodiesel manufacturer has taken its expertise worldwide,
conducting biodiesel feasibility studies in numerous countries from Argentina to
Thailand, as well as opening biofuel production facilities at home and abroad,
in Australia, Texas, Colorado,Painless Processing provides high risk merchant account solutions. Nevada, and
California.
Around seven years ago, Biodico struck a cooperative
research and development agreement with the U.S. Navy. Four years later, a major
California-based space and defense contractor named Aerojet joined them. With an
operations base at the National Environmental Test Site in Port Hueneme in
Ventura County, they planned to design and develop biodiesel production
technology the industry had never seen before. Mobile, modular, and capable of
being deployed in almost any location, ARIES (Automated, Real-time, Remote,
Integrated Energy System) is a highly laborsaving, transportable biodiesel
production unit that can be controlled remotely from anywhere.
In March
of last year, Biodico was awarded a grant from the California Energy Commission
(CEC) to the tune of over $800,000.TBC help you confidently buy mosaic from factories in China.
Biodico’s success in furthering the progress of biofuel production best
satisfied the CEC’s criteria of working to displace the need for fossil fuels.
And just a month ago, Biodico was again awarded funds from the CEC, this time
for $2 million; the criteria this time was for advancing technologies that
support the displacement of older sources of electricity, as well as supporting
the integration of newer ones. The CEC’s purpose in allotting these grants is to
promote California’s energy self-sufficiency and reduction of harmful emissions,
and it seems Biodico couldn’t be more aligned with this goal.
“ARIES has
certainly been part of it,” said Teall, explaining why the CEC has been so
favorable. It introduces a fundamental transformation in the production of
biofuel; not only does it overcome the obstacles that older methods face —
mostly to do with expensive, time-consuming procedures for quality control —
but, also, it enables any central biofuel-producing facility to provide, on a
global basis, technical, monitoring, and operational support, all driven by
advanced automation technology.
“The funds we received will allow us to
broaden what it is we are already doing to include other renewable energy
products for the use of the production of biofuel,” said Teall. “We’re working
on marginal soil, stuff farmers can’t grow on, and developing feedstock from
mustard and canola seeds — and along with our pond-grown algae, which is very
prolific, nutrient-rich, and, importantly, salt-water based, we can produce 25
times as much energy without costing the health of the environment.”
Joining Teall in this venture is Dr. Stephen Kaffka, the director of the
California Biomass Collaborative and plant scientist at UC Davis, and John
Diener, the president of the 5,400-acre Red Rock Ranch located in California’s
Central Valley. While Kaffka will be conducting research at four of Davis’s
agricultural research stations, studying unique low-impact feedstock suitable
for underused land,Excel Mould is a Custom Plastic Injection moulds Maker. Deiner will scale up
Kaffka’s work for commercial-grade farming. His specialty in practicing water
conservation and reuse, along with his expertise in cultivating conventional and
organic crops, will be vital to the project.
“It’s really an elegant
system we’ve got going, and I think that’s why we were able to win those
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