Location: Dhaka, Bangladesh
Abstract :
In this work, an
analytical expression for base transit time tb
of...
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Location: Khulna, Bangladesh
This Research
introduces a DC motor drive system with a fuzzy-artificial neural-network
controller. First, a neural network-based architecture is described for fuzzy
logic control. The characteristic rules and their membership functions of...
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Location: Cambridge, United States
The four chloromethanes - methyl chloride (CH3Cl), dichloromethane (CH2Cl2),
chloroform (CHCl3), and carbon tetrachloride (CCl4), are chlorine-containing
gases contributing significantly to stratospheric ozone depletion and having
adverse...
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Location: Los Angeles, United States
New research suggests that the layer of insulation coating neural wiring in
the brain plays a critical role in determining intelligence. In addition, the
quality of this insulation appears to be largely genetically determined,
providing...
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Location: Indianapolis, United States
Researchers at Purdue University have developed a technique using spun-sugar
filaments to create a scaffold of tiny synthetic tubes that might serve as
conduits to regenerate nerves severed in accidents or blood vessels damaged by...
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Location: Wales, United Kingdom
BETHESDA, Md. (Feb. 24, 2009) − When participants performed a mentally fatiguing task prior to a difficult exercise test, they reached exhaustion more quickly than when they did the same exercise when mentally rested, a new study finds.
The...
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Location: Navada, United States
Agilent Technologies Inc. today announced that it expanded its DisplayPort test
solution with the most flexible, comprehensive solution for design,
characterization and debug, as well as compliance testing for source and sink.
This allows...
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Location: Alberta, Canada
INDIVIDUAL SILICON ATOMS can exhibit electronic properties typical of quantum
dots composed of thousands of atoms, according to researchers at Canada's
National Institute for Nanotechnology and the University of Alberta, Edmonton
(Phys....
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Location: Johansburg, South Africa
Recent studies into the use of synthetic fibres to improve the longevity of
concrete applications have yielded results that are set to make a positive
impact on the South African construction industry, reports the Cement and
Concrete...
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Location: National Institute of Standards and Technology, United States
Guest researcher John Jendzurski prepares the NIST electromagnetic phantom for passage through the walk-through metal detector behind it. The carbon-polymer blocks of the phantom are arranged in a form that simulates the mass and height of the...
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Location: Lawrence Livermore National Laboratory, United States
Acoustic waves play many everyday roles - from communication
between people to ultrasound imaging. Now the highest frequency acoustic waves
in materials, with nearly atomic-scale wavelengths, promise to be useful probes
of...
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Location: NIST, Gaithersburg, MD, United States
GAITHERSBURG, MD—In the initial studies of a new class of high-temperature
superconductors discovered earlier this year, research at the Commerce
Department’s National Institute of Standards and Technology (NIST) has revealed
that new...
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Location: Nist-301) 975-NIST (6478), TTY (301) 975-8295, NIST, 100 Bureau Drive, Stop 1070, Gaithersburg, MD 20899-1070, United States
The NIST team investigated the dietary accumulation, elimination and
toxicity of two types of fluorescent quantum dots using a simple,
laboratory-based food chain with two microscopic aquatic organisms—Tetrahymena
pyriformis, a...
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Location: University of California - San Diego, United States
UC San Diego computer scientists have created a fog and smoke
machine for computer graphics that cuts the computational cost of making
realistic smoky and foggy 3-D images, such as beams of light from a lighthouse
piercing...
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Location: University of Rochester, United States
Researchers at the
University of Rochester
have digitally reproduced music in a file nearly 1,000 times smaller than a
regular MP3 file.
The music, a...
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Location: University of Maryland, United States
University of
Maryland physicists have shown that in graphene the intrinsic limit to the
mobility, a measure of how well a material conducts electricity, is higher than
any...
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Location: Goddard Space Flight Center, NASA, United States
In a new NASA
study, researchers taking advantage of improvements in satellite sensor
capabilities offer the first measurement-based estimate of the amount of
pollution...
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Location: UCLA Henry Samueli School of Engineering and Applied Science, United States
Environmentally friendly hydrogen gas fueled vehicles can
dramatically reduce greenhouse gas emissions and lessen the country’s dependence
on sources of fossil fuel. Though several hydrogen vehicles exist on the market...
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Location: National Aeronautics and Space Administration (NASA), United States
A new National Aeronautics and
Space Administration study confirms that the surface temperature of
Greenland's massive ice sheet has been rising, stoked by warming air
temperatures, and...
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