Thursday 25 March 2010 - Cheap laptop with matte screen
The blog post via: Cheap laptop with matte screen
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Asus P50IJ: The notebook is available immediately.
Asus announces a new series of notebooks. The first representative of the new P-series, the P50IJ comes on the market - a cheap 15-inch laptop with matte screen. The LED-backlit display ensures low power consumption, the chilled palm rest is designed to ensure convenient operation.
The display measures 15.6 inch in the diagonal and provides content in 16:9 format dar. The resolution is 1,366 x 768 pixels.
As one of the few devices of its class offers the P50IJ a dull screen with LED backlighting. Asus installed as an Intel Core 2 Duo Processor T5870 with a clock speed of two gigahertz. In the chipset and the graphics card is also the producer on technology from Intel: As one GL40 chipset used, the graphics computation taken over by GMA 4500M.
Memory and disk space are below the class average: The user has to be content with two gigabytes of RAM and a hard disk with a capacity of 250 gigabytes. A DVD burner is integrated. The palm rest has air vents that can not be the temperature according to manufacturer's rise above 27.7 degrees. The keyboard has a separate numeric keypad.
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In terms of interfaces, the Asus P50IJ has four USB ports and a VGA port. With other computers connect to the computer via WLAN or LAN. As operating system is Windows 7 to use, but is working on the Asus device, the Professional version instead of he usual Home Premium version of it. The operating system installed by the manufacturer in the 64 edition. The notebook is tarting immediately with a suggested retail price of 590 euros on the shelves.
2013 lithium batteries worldwide shipments to reach nearly 4 billion
U.S. market research firm Frost & Sullivan expects the global market in future lithium batteries will be substantial growth in 2013 shipments will reach 3.99 billion. The company's survey data indicate that the current global supply of lithium batteries was about 1.76 billion. Sales of 58.9 billion U.S. dollars.
Frost & Sullivan analysts pointed out that the energy density of lithium batteries improve, and lightweight is the key to the future expansion of demand. In particular, can be multi-task processing in recent years, the average consumer to use "small parts" in the market to expand, making the energy density and low weight increased demand for lithium batteries.
In addition, the battery is equipped with energy-efficient industrial portable devices increase in demand will also promote the growth of lithium battery market. Aware that, in consumer products, the benefits of the use of lithium batteries, it is expected in the industrial equipment in use will increase. Consumer products are expected to use lithium battery market is already mature, market-oriented industry and car the next 5 years to 7 years, will continue to grow.
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Wednesday 24 March 2010 - More aggressive for the GT3
This article via: More aggressive for the GT3
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Performance and driving dynamics brings the Porsche GT3 with the factory more than adequate. On the subject of optical design, however, Prior sees need for action. The tuner is now offering its PD3-kit in two versions.By Andreas Rogotzki as fast as a Porsche GT3 emerges as fast as he is also gone. Porsche equips the 435 bhp cars from starting work with an optional aerodynamic package that clearly distinguishes him from the rest of the large 911-family, and it makes it a highlight on the road. Even more exclusive good of 117,000 with the GT3 is expensive now presented by Prior Design Spoiler Kit "PD3". The luxury carmaker is generated by the aggressive front look more downforce on the front axle. Large vents trendy daytime running lights and reinforce the overtaking of the athlete. The way is powered by a 3.8-liter six-cylinder boxer and lays out in the sprint to 100 smooth 4.1 seconds.
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The dynamic front appearance will continue with upgrades to the side in the direction of the vehicle rear. The angular shaped ridges lead up to a further opening up air in front of the rear wheel arch. Similar to the PD3 front bumper is also the companion piece on the rear is not without additional openings are provided with a black grille. Above all, the massive diffuser including Prior Design silencer acts as a focal point at the new rear end. His factory already fitted GT3 rear wing may keep the Porsche in the prior-look, incidentally. In the opinion of the tuner fits in harmoniously with the new look. Prior Design offers the aerodynamics from PD3-course meal of composite materials for 12,900 euros. The complete package spoiler in carbon-run costs 14,900 euros.
Porsche 911 GT3
Schneller geht's nicht! Or? The Porsche 911 GT3 is uncompromisingly designed for lap times. With sports suspension, roll cage, and 435 hp it accelerates in 4.1 seconds at 100 and runs 312 km / h fast. The 911 Turbo is indeed stronger, faster speeds, but is also heavier. However, it is also with the GT3 yet fixed. Namely with the Porsche 911 GT3 RS. The delivers 15 hp more and weighs 25 kilos less. The only problem, and typical Porsche: the price. More info, tests, news and photos to the GT3 Class 997's
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Study has confirmed the solar cells less pollution
Everyone knows that solar cells can generate clean electricity. However, new research shows that solar cell manufacturing sector than you thought it would be "green."
According to the U.S. "Science" magazine online reports, the researchers evaluated 13 solar cell manufacturers and four kinds of different types of photovoltaic cells manufacturer emission of air pollutants. The results showed that with gasoline, coal and natural gas compared to electricity generated by solar batteries on the environment less 89%. The researchers in the March 15 issue of "Environmental Science and Technology" (Environmental Science & Technology) magazine reported the findings.
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Friday 12 March 2010 - Structure and dynamics
This article via: Structure and dynamics
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In the third report, Devanathan, Venkatnathan, and Dupuis computed the dynamical properties of water molecules and hydronium ions in Nafion and related them to the structural changes reported previously. They confirmed other researchers’ finding that the behavior of water molecules within nanoscale pores and channels of PEMs, especially at low hydration levels, is remarkably different from that of molecules in bulk water.
At low hydration, fewer than 20% of the water molecules are free (bulklike). With increasing hydration, the diffusion coefficients of hydronium ions and water molecules increase, and the mean residence time of water molecules around sulfonate groups decreases. These results provide a molecular-level explanation for the proton and water dynamics observed in neutron scattering experiments.
Because the structure and dynamics of the membrane under different levels of hydration cannot be directly observed in experiments, there is no universally accepted model of the structure of Nafion. This research makes a significant step toward that goal and toward the development of the next generation of PEMs.
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Characteristics of the ideal PEM include high proton conductivity at low hydration levels; thermal, mechanical, and chemical stability; durability under prolonged operation; and low cost. None of the existing membranes meet all these requirements, and developing new membranes requires a molecular-level understanding of membrane chemistry and nanostructure. Molecular dynamics simulations like these, together with experiments, are laying the foundation for future breakthroughs in fuel cells.
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A fundamental understanding of the relationship between membrane nanostructure and the dynamics of water molecules is needed for the development of efficient, reliable, and cost-effective membranes to advance PEM fuel cell technology. The structure and dynamics of the polymer membranes under different levels of hydration cannot be directly observed in experiments, but they can be modeled in molecular dynamics simulations, as shown in a series of three papers published in the Journal of Physical Chemistry B by Ram Devanathan, Arun Venkatnathan, and Michel Dupuis of Pacific Northwest National Laboratory (PNNL).
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Friday 12 March 2010 - Hydrogen Fuel Cell RC Car
This article via: Hydrogen Fuel Cell RC Car
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This Hydrogen Fuel Cell RC Car Upgrade Kit is one of the coolest RC cars kits I have seen in a long time. It is pricey though, hopefully when these hydrogen fuel cells become more common place the price will come down to earth.
The H-cell is a unique integration upgrade kit for electric hobby R/C cars, designed as a drop in unit that can fit inside widely available Tamiya TT-01 type chassis. The H-cell system designed by Horizon Fuel Cell Technologies includes a 30W air-cooled, air-breathing and self-humidified PEM fuel cell stack
with integrated bright blue light-emitting fans and a sleek aluminium casing. The integration kit also includes electronic controls, a miniature pressure regulator and three 10L metal hydride canisters in a hydrogen storage rack. At maximum power output and with a single charge, the H-cell can run the car at 35 km/h for over 1 hour, as opposed to just 15 minutes with the conventional Nimh battery.
Renesas launched R2A20051NS lithium-ion battery charge control IC
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Renesas Technology Corp. (RenesasTechnologyCorp.) today announced the availability of R2A20051NS lithium-ion battery charge control IC, it applies to products such as digital cameras built-charging circuit. Sample was October 3, 2007 began in Japan.
R2A20051NS using a smaller 2.7mm × 2.5mm10-pin SON (small no-lead) package. This is the most common applications by limiting the non-protection and reduce the number of pins to achieve. When compared with current Renesas products, the device can reduce the mounting area of about 75%, while integration of the charging FET switch, as long as the addition of a resistor as a peripheral device charging circuit can be achieved.
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R2A20051NS on-chip protection functions the same as with the current M62249FP, in fact, including the security lithium-ion battery all the necessary protection features, such as the adapter is detected, over charging, over-voltage and temperature protection features, as well as monitor the charging time of the two timing device. Take advantage of these features to add at least as long as the R2A20051NS components, you can implement complex security design of the charging circuit to help simplify the development process. In addition, you can achieve 4.2V ± 30mV of the charge control voltage to achieve high-precision charge control.
R2A20051NS chip integrates a temperature detection circuit, the charging process based on the chip temperature limits the charge current value. Moreover, if more than a predetermined temperature, it will mark the error and run charge thermal shutdown features to help achieve a more secure implementation of the charging circuit.
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Wednesday 24 February 2010 - Plastic Solar Cells
Solar energy has become Dell Inspiron 1526 Battery widely recognized throughout the world of clean energy, but also how to improve the efficiency of its approach by which to reduce the cost of solar cells have become a topic of wide discussion, and now our neighbors South Korea on a new breakthrough in this regard .
Not long ago, South Korean researchers have used the principles of plant photosynthesis, have developed a plastic as the material to solar cells, batteries cost far less than the ordinary solar cells. At present, this plastic solar cells, photovoltaic energy conversion rate has reached 6.5%, nearly 7% of the commercial standard. Since the Dell Inspiron 1720 Battery of plastic as the main material, so the use of polysilicon as the material costs than the ordinary solar cells is much lower.
Moreover, unlike in the past can only absorb visible light in sunlight the solar cell is different because it uses two overlapping laminated solar cell structure, and this addition to the battery can absorb visible light, but also can absorb near-infrared, which greatly improved of solar Dell Inspiron 6400 Battery energy utilization. Thereby reducing the cost basis to achieve efficiency improvements.
The new technology can reduce the amount of platinum in photovoltaic cells
Israeli scientists have developed a new technology Dell Latitude D420 Battery for battery in the platinum nano-particles can be solar energy into electricity, thus reducing the production of photovoltaic cells use platinum, which means the cost of solar panels will be reduced.
Israel Bar-Ilan University, Nanotechnology Research Institute, Professor Arie Zaban said the cost of solar technology an important factor in the successful application in order to obtain widespread use, solar cells must be less than the cost of the use of natural energy and produce electricity.
The use of platinum nanoparticles can reduce the amount of apple A1175 , apple A1185 platinum and therefore significantly reduce the cost of solar energy production.
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