Arouse dreams of green biofuels flight

10, Continental Airlines announced here, the first commercial aircraft flight using biofuels recent successful test flight. It opened in 2009, including China, a series of new tests of fuel off the aircraft, once again aroused the people to take the green air travel dreams.

Fuel: Jatropha tree with seaweed extracts and flight

Continental Airlines Beijing office to provide information to reporters, said the plane did not carry passengers on the Boeing 737-800 aircraft for about two hours of successful flight. Continental Airlines Chairman and CEO Luokai Rui said: "Through this test the technical knowledge gained will help to more deeply explore the sustainable development of air transport fuel future."

According to Continental Airlines Chief Representative of China and director of Guoxing Chang introduced to compare the use of biofuels and conventional fuels mixed performance, flight test aircraft No. 1 engine of 100% using the traditional jet fuel, No. 2 engine uses 50% of the extract of Jatropha curcas and algae 50% biofuel with traditional jet fuel. This mixed bio-fuels will greatly reduce carbon emissions. Jatropha curcas and algae in their life cycle can consume a lot of carbon.

Despite the sharp decline in global oil prices in early 2009, but in the long run, to reduce oil dependence, reduce costs and achieve air emission reductions, the new fuel by the way the aircraft is a must. In addition to Continental Airlines, New Zealand, Brazil and other countries are carrying out bio-energy aviation flight experiment.

Bio-energy use, inevitably raises concern for food security. In this regard, Luo Kairui said, and the extraction of fuel from corn and other grains is different from seaweed extract mixed with Jatropha curcas on food crops or biofuels will not adversely affect the water supply can also reduce deforestation.

Do not burn oil aircraft: new technologies need to overcome the revolution

International Air Transport Association recently announced in Beijing, the world's first prototype solar-powered aircraft will conduct the first test flight in early 2009 and is expected to arrive in China within the next two years.

And the mixed fuel of different aircraft, the aircraft does not use solar energy vehicle oil. Bisignani said IATA director, the world's first solar-powered aircraft earlier this year after a first test flight is expected in 2011 to fly around the world including China.

Boeing, one with a proton exchange membrane fuel cell and lithium-ion batteries for small manned plane, successfully conducted its first test flight last year. Driven by a pilot of the aircraft, relying on battery power at 1000 m altitude of 100 kilometers an hour flight for about 20 minutes.

According to reports, China's Trina Solar Company and Air France jointly developed by Lisa new energy powered aircraft is also expected to complete the assembly of the end of 2009. This will be the world's first solar and hydrogen energy to power the new aircraft.

China Dream: energy saving and technological innovation

International aviation community believe that the use of aircraft fuel mix is expected to put into commercial operation next 5 years. Totally ordinary passengers to take the new aircraft burning oil, it may take 20 years or so.

"We hope that the new fuel mix of aircraft operating in the China-US route as soon as possible, the sooner the better." Continental Airlines Chairman and CEO Luorui Kai said.

In recent years, IATA has been working to promote the reduction of carbon in the air and plans. After the United States as air power and the world's second largest consumer market of aircraft, aircraft fuel in China is facing new challenges in research and development.

At present, the total cost of airline fuel costs 36% to 40%, if the new fuel, can effectively reduce aircraft operating costs and reduce greenhouse gas emissions.

IATA's airline industry in the zero-emission process, the investment in new technology in a key position. It is reported that China's current development of biofuels has certain technical advantages, but in non-traditional powered flight is far behind Europe and America.

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Mobile and Bacteria

Phone even more dirty than the toilet seats bacteria from the battery?

Possession of more than toilet seats bacteria

Recently, Hubei Province, Xiangfan City, Office of the First People's Hospital staff infection is bacterial contamination of the cell phone survey, the survey sites were collected and answered the phone at the keys.

The results showed that 108 phone 10 240 bacteria were detected, 39 strains of pathogenic Staphylococcus aureus. Phone per square centimeter "presence" of the bacteria actually about 120,000, more than a door handle, shoe, or even a bathroom on the toilet seat the number of bacteria. Contaminated sites of the main Department of the phone keys.

Half of the respondents were unaware of

Random survey found that most people do not know the phone has so many hidden disease-causing bacteria, of which 65% of the respondents never to phone disinfection.

Of the 35 respondents, 26 did not know that there are so many cell phone bacteria. 20 said, as long as there is a need, whether it is in the bathroom or sleep or eat, will use the phone, never hesitated. In a mobile disinfection issues, there are 5 people that will always disinfect their cell phones, but only limited to the cell phone case, only one person every month to mobile phones with sterilizing liquid disinfectant. 23 were from the first day the phone had not been on the phone to any form of cleaning, as high as 65%.

Reporter consultation with various mobile phone dealer, ask if there is sterilization for cell phone related products, the answer is "not heard of such things, only some of the non-woven fabrics used to clean."

Bacteria from the battery

Xiangfan First People's Hospital to do the main Renzhou Min said the infection, the use of heat generated by cell phone when the battery is the reproduction of bacteria to provide convenient conditions. Bacteria such as Staphylococcus aureus and other pathogenic bacteria may hide in cracks in the phone, and easily lead to pneumonia, Staphylococcus aureus and other respiratory diseases.

Note that when using the phone, call or text message during the side buttons do not access food while at the same time try not to let other people use mobile phones to avoid cross-infection bacteria; minimizing the phone with the contact parts of the face and lips, reducing bacteria against; Every week the best medical alcohol with a cotton swab moistened wipe the phone keyboard, screen and other parts of the customer service department by phone or to ultraviolet radiation, ozone disinfection, etc.

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Silicon Materials and Thin film batteries

Silicon thin-film battery supply crisis led to investment boom

Since the amorphous silicon thin film to be developed, the conversion efficiency of only half of the polysilicon has not been universal. In recent years favored the growing photovoltaic industry, triggered a crisis in the supply of silicon materials. Silicon raw material prices skyrocketing, making thin-film batteries once again surfaced. In 2007, the global thin film solar cell production reached 400MW, 181MW in 2006, compared with a substantial increase of 120% market share of 8.2% from 2006 to 12%.

Corresponding to this, following the thermal solar modules, polycrystalline silicon hot, the thin film photovoltaic cells has become the new investment hot spot areas. In June 2008 the German Photovoltaic Exhibition 2008, Taiwan's annual production capacity of only 30MW of green energy, to be signed orders amounted to 200MW, annual production capacity of six times in 2008; Yutong energy production yet, also made orders for 60MW. Tianwei change plans to invest 3.2 billion yuan for the amorphous silicon thin film solar cell projects; LDK announced in Nanchang building the most technologically advanced and largest thin film solar cell projects; July 2008, Johnson & Johnson 25MW of amorphous silicon photovoltaic film solar cell production line officially put into operation; Gan announced the formation of a joint venture to share and build an annual capacity of 50MW target film amorphous silicon photovoltaic cell production line. Suntech added, Vosges stake in Rio Nisshin energy, variety of shares and other companies have also announced its entry into the field of thin film batteries, thin film batteries attract domestic investment.

South developed enough to each one square meter solar electricity a day

Learned from the Nankai University, Nankai University in the solar energy into electricity has made significant progress, and built the country's largest amorphous silicon thin film solar cell production line, and have the ability to mass production. According to reports, the use of the battery power per hour per square meter, 55 watts, can meet the electricity needs of a family one day.

Also known as photovoltaic solar cells, layman's terms, that is, absorb solar energy, to transform them into electrical devices. It looks like a thin card or glass, the thickness of only 6 mm. Because solar safe, reliable, non-polluting, energy widely available, etc., can be widely used in industry, agriculture, military, civil and other fields, large satellites in the universe, small family radio, charger, solar batteries are ready for takeoff.

Line Chief Engineer, Institute of Optoelectronic Information Technical Science, Nankai University, Thin Film Devices and Technology Institute, said researchers Professor Wang Zongpan, home of the battery, install 1 square meter of a home enough power to use amorphous silicon solar cells per square meter per hour power 55 watts, can basically meet the demand of a family day. Moreover, the amorphous silicon solar cells can generate electricity grid, which will be solar in sunny issued to the excess power transmission grid, to the rainy day or night, the electricity grid will Zaishu previously stored to the user, is fully capable of to ensure continuous use year round.

According to reports, Nankai University, amorphous silicon thin film solar cell production line is expected to double production this year is expected to expand production to 100 megawatts next year scale, equivalent to a medium-sized power plant generating capacity.

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New Flexible Solar Cell

Recently, U.S. scientists have found an effective way of making silicon solar cells with sufficient flexibility, which allows it to wrap the object in the thickness of a pencil on top of or attached to the windows of buildings and even cars glass surface. October 5 issue of the "natural materials" magazine reported the results, saying the technology can be easily broken before the transfer to the flexible material on top of silicon, silicon slices for the traditional process provides new possibilities .

Of the study, University of Illinois at Urbana-Champaign, John Rogers, said the new technology will open the door to the promotion of solar buildings, "we can make it thin enough, then 'transfer' in a plastic chip, which to be curled into the system, so similar to the film thickness of the film can be attached to the glass surface of the building. "

It is understood that due to global warming and the impact of high oil prices, relying on photoelectric conversion of solar cells known as one of the most promising green energy. Including Japanese consumer electronics maker Sharp and Q-Cells of Germany, including many companies are making thin-film solar cell research and development related areas. But compared to conventional solar cells, thin film photovoltaic solar cell conversion efficiency lower the industry has been plagued problems.

Rogers said the technology is based on a higher photoelectric conversion efficiency of silicon as a raw material. Monocrystalline silicon wafers in order to overcome the shortcomings of a very brittle friable, they used a special etching method of silicon from a large cut on the silicon than the traditional 10 to 100 times thinner ultra-thin silicon . Different levels according to their thickness can be applied to different areas. When the wafers are cutting down, it will be a device to pick up, and then sealed as the general "transfer" to a new material above the surface. Finally, the re-use these as the electrical system of solar cells together into a whole. Compared with traditional solar panels, highly flexible solar cells that will be easier to transport and install. And Rogers is envisaged that the new materials will be like a blanket was thrown on the car.

"Batteries are not allowed to hide me," the new EU battery regulations

EU European Union in 2006 to promote cell program (Battery Directive), the destruction of the battery, recycling easier, and health programs, has recently been changed out. New battery program, which may include a change to some of the company's dumbfounded, that is: all electronic products must be easy to remove the battery, also known as "battery not allowed to hide me," the new rules.

This provision, it simply is to make users to an open end, a few loose screws to remove the battery can not make the steps easier recovery, but also are more convenient for users, and more willing to waste battery has a good resting place. In short, in addition to iPod / iPhone, the market there are a host of other electronic products in Europe if you want to survive in future, I'm afraid to use your head out!

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This article via: Aldi sells 15-inch Notebook with Core i3 CPU and graphics Optimus

Aldi sells 15-inch Notebook with Core i3 CPU and graphics Optimus

The Medion Akoya P6622 comes with 2.26 GHz processor, 4 GB of RAM and 500 GB hard drive. Its 16:9 screen dissolves to 1366 by 768 pixels. It is available from Thursday for 599 euros.

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Aldi offers from Thursday, 18 February, a 15-inch notebook with Intel Core processor and Nvidia i3 Hybrid Graphics technology to Optimus. The Medion Akoya P6622 (MD 98,250) costs 599 euros.

The dual-core CPU i3-350M is clocked at 2.26 GHz. You have 4 GB of DDR3 RAM and a 500 GB hard disk to the side. The 15.6-inch display with LED-backlit display has a 16:9 resolution of 1366 x 768 pixels.

Optimus Nvidia graphic is a combination of hardware and software. The technique is to remove all the problems of previous hybrid graphics solutions by depending on the application to automatically switch between integrated and discrete graphics, and so allows a longer battery life. stands for graphics-intensive games or programs instead of the Intel HD graphics with a Nvidia Geforce GT 310M 512MB dedicated memory. The entry-level solution provides, however, sufficient only for undemanding title performance.

Of communication options available at the Akoya P6622 wireless IEEE 802.11b/g/n and Gigabit Ethernet. For the connection of peripherals are a 4-in-1 card reader, three USB 2.0 ports, a combined USB / eSATA interface, a S / PDIF connector as well as one VGA and HDMI output so far.

Other features include high-definition audio with two speakers, a 1.3-megapixel Webcam with microphone, a multi-touch pad, an 8-cell battery and a dual-layer DVD burner. The latter can be due to shuttle frame to a second hard drive or replace a subwoofer module, which are optional.

As operating system Windows 7 Home Premium preinstalled. A software package for Multimedia Applications (PowerDirector, PowerProducer, PowerDVD, Media Show 4), the burning software Power2Go, image editing software (Corel Media One, Corel Draw Essentials 3), the Office suite, Microsoft Works 9 and trial versions of Microsoft Office Home & Student Edition 2007 BullGuard Internet Security and complete the offer.

The 38 times 26 times 3.3 inches wide and nearly 3 kilograms heavy Medion Akoya P6622 is available as of Thursday, both at Aldi Nord and Aldi S¨¹d. The warranty is 36 months.

The Akoya P6622 uses Nvidia's new Hybrid Graphics technology Optimus (Image: Medion).

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