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BEIJING, Dec. 17 (Xinhuanet) -- Restrictions on housing purchases in this city will continue next year without relaxation despite expected falls in property prices so far, local officials said on Friday. Even so, a property tax is unlikely to be put into effect for Beijing, they said.This year, the average price of commercial housing units stopped rising in July and so far has been lowered by 6.3 percent below what it had been in the same period last year. Of all of those who bought property in the 11 months of the year, 90 percent were first-time buyers, said an announcement released by the Beijing Municipal Commission of Housing and Urban-Rural Development."The restrictions worked well this year," said Wang Rongwu, with the commission, at a news conference on Friday morning. "But keeping the property market sound will require prolonged restrictions. Our specific goals for the purchase limits next year are still under discussion."Chen Baocun, deputy secretary-general of the National Real Estate Manager Alliance, said property developers will be able to cope with an extension of the limits."Developers didn't expect a sudden drop of the purchase restrictions next year," he said. "They are prepared to accept the policies for a longer time."In an attempt at tamping down property prices, the central government took time at the country's central economic work conference on Wednesday to encourage more cities to adopt a property tax. Such a tax is already being tried out in Shanghai and Chongqing.Beijing, though, is not likely to look seriously at adopting one, "unless it is otherwise required to by the central government", Wang said.

WASHINGTON, Jan. 19 (Xinhua) -- New research published this week in Nature Medicine indicates that targeted drugs such as gefitinib might more effectively treat non-small cell lung cancer if they could be combined with agents that block certain microRNAs.The study, led by investigators with the Ohio State University Comprehensive Cancer Center, shows that overexpression of two genes called MET and EGFR causes the deregulation of six microRNAs, and that this deregulation leads to gefitinib resistance.The findings support the development of agents that restore the levels of these microRNAs. It offers a new strategy for treating non-small cell lung cancer, which is responsible for about 85 percent of the 221,000 lung-cancer cases and 157,000 deaths that occur annually in the United States. It also suggests that measuring the expression levels of certain microRNAs -- those controlled by the MET gene -- might predict which lung-cancer cases are likely to be resistant to gefitinib.Epidermal growth factor receptor (EGFR) is frequently overexpressed in non-small cell lung cancer, and this leads to uncontrolled cell proliferation. Gefitinib selectively inhibits EGFR activation and triggers cancer cells to self-destruct by apoptosis. However, non-small cell lung cancer cells inevitably develop resistance to the drug. The study reveals how this resistance occurs."Our findings suggest that gefitinib resistance that is caused by MET overexpression is at least partly due to miRNA deregulation, " says principal investigator Carlo Croce.

JERUSALEM, Dec. 11 (Xinhua) -- Kfir Damari, a communication systems engineer, has a dream: to land a miniature spacecraft on the moon sometime in 2013.Damari is one of the founders of Team SpaceIL, a non-profit organization representing Israel in the Google Lunar X Competition. The prize: 20 million U.S. dollars to the first of the 26 international teams currently registered that lands an unmanned craft on the moon, moves it a minimum of 500 meters across the lunar surface and transmits live high-resolution images back to earth."It's a tough mission, but I believe that if everyone in Israel joins hands it's possible," Damari told Xinhua.It is exactly the kind of entrepreneurial spirit that Israel, a country largely void of natural resources, counts on to make it a global leader in technological innovation.The two other men behind the initiative are Yonatan Winetraub, 25, a systems engineer at Israel Aerospace Industries (IAI) and a graduate of NASA's International Space University, and Yariv Bash, 31, a computer scientist and electronics engineer. The three first met at an innovation conference held by IAI a year ago.They describe the lander as a nano-satellite, whose design was revealed at the project's official inauguration ceremony on Thursday. The vessel weighs 100 kg, 80 percent of which are fuel, and is outfitted with rocket boosters and a panoramic camera."It's somewhat of a cellular phone sitting on a large fuel tank. All the technology that we require is basically contained in a typical smartphone with its communication and imaging features," Damari said.Launched in 2007, the Lunar X Prize aims to encourage space enthusiasts and engineers worldwide to develop cheap technologies for robotic space exploration.The Israelis have slated a modest 15 million U.S. dollars for the endeavor, 90 percent of which must come from private contributions according to the competition's rules. They have already raised 3.5 million dollars.The fact that they have formed a non-profit NGO in itself is worthy of praise. Most other teams have obtained the patronage of private corporations for whom money is not a problem, with some reportedly allotting up to 100 million U.S. dollars.To compensate for the disparities in funding, Damari and his partners have enlisted the support of 120 local volunteers, many of them engineers holding top positions in the technological and scientific community as well as the country's leading defense industries.Rona Ramon, the widow of Israeli astronaut Ilan Ramon killed aboard the Columbia Space Shuttle in 2003, was one of the sponsors too.In a bid to keep costs down, SpaceIL is heavily relying on the existing knowledge accumulated by Israel's defense industries over the past decades in building and launching mainly small, lightweight communications and military surveillance satellites into space.The challenge, Damari said, is to take that know-how a step further. The professionals who have volunteered for the project, among them some of Israel's most revered space experts, are currently grappling with several issues, including the ignition system, optic-visual navigation, beaming imagery to earth and the intricacies of enabling the nano-satellite a smooth lunar landing.SpaceIL is still searching for a third party that they will lease to launch their vehicle into space. Once there, they will have to navigate it to the moon on their own.While 20 million U.S. dollars is a major motivator for anyone, the Israelis said they're not seeking personal gain, but rather plan to invest the prize money in the vision that originally prompted their registration in December last year: inspiring the country's younger generation to pursue engineering and the sciences and to dream big, just like Neil Armstrong did when he disembarked from the Apollo 11 and took the first step on the moon in 1969.The funds, they said, will be funneled to educational programs that seek to rejuvenate youths' interest in science disciplines, which have been on the decline in the country's high schools in recent decades."We hope to attract the next generation of kids, to enable them to be engineers and scientists and to make sure that we have more people that can build spaceships in Israel in the future," said Damari.He and the other men behind the initiative also acknowledge that their motives are no less driven by patriotism. Winning the Lunar X has the potential to create national pride and put Israel "on the map as a start-up nation" by accomplishing a feat reserved for superpowers."The moon is something you see every day. I think that for me personally, space exploration is the way to enlist the nation to do something that has not yet been done," said Damari, who started programming aged six and wrote his first computer virus aged 11."It's also about exploring new borders, going the distance. (The project) will leverage Israel's space industry. I'm sure that all the industries that will partner with us will learn a lot and develop new applications, especially for the civilian market," he said.On Thursday, Israeli President Shimon Peres, whose name has become synonymous with the nation's hi-tech industries, honored the trio by unveiling their model at the ceremony held at MABAT -- IAI's missiles and space division near Tel Aviv."More than Israel is leading technology, it is likely to lead Israel. It's the key to our economy ... If they win the prize, and I'm sure they will, it will also reward Israel with the deepest appreciation and the best deterrence," Peres told a crowd of senior executives from local defense industries."I admire your audacity and vision," he complimented the three scientists.Will they realize their ambition? Damari expressed humble optimism, "It's not easy, but certainly possible ... We believe we can win."

LAS VEGAS, the United States, Jan. 12 (Xinhua) -- One of the most revolutionary changes for consumers that may come out of this year's International Consumer Electronics Show (CES) will not be the electronic devices themselves, but the way they are charged.Instead of using traditional cords to power mobile phones, kitchen appliances, and even vehicles, exhibits showcasing wireless power technologies offer a glimpse into the future of how individuals can charge their devices without a plug or cord.Fulton Innovation, who develops and licenses its eCoupled intelligent wireless technology, demonstrated how the technology could be applied across a variety of usage cases at home and at work.At CES, the company announced that it is releasing its next generation wireless power solutions that incorporate near-field resonant magnetic induction, allowing devices to charge without actually touching a charging surface.Additionally, it will allow power to transfer through metal surfaces, a property which had previously been unsafe to use as a surface conductor for power.While the products with integrated eCoupled capabilities currently in the marketplace focus predominantly on smartphone charging surfaces, in part due to the low-power demands of these devices, the company said there will be more applications using this technology expected to come to market in the near future.A large part of the added production scale on the consumer level is due to the standardization of the industry.In 2010, the Wireless Power Consortium (WPC) announced the finalization of the "Qi" standard, enabling interoperability for wireless charging between a power-providing device and electronics receiving power.Currently, the Qi standard is only applicable for the wireless transmission of power up to five watts, and the WPC is undertaking steps to expand this standard to deliver up to 120 watts of power.This standardization enables technology designers like Fulton Innovations to create underlying IP designs and technologies that work across a number of OEMs.The WPC currently has over 100 member companies, including Fulton Innovation, Nokia, Samsung, Haier, and Huawei Technologies.Fulton Innovation also expects to add its eCoupled technology to cars, giving automobile manufacturers the ability to install integrated charging platforms for mobile devices without additional wires or cords.Chinese auto makers Geely, Chery, Chang'an, and Dongfeng were the first to showcase cars at a major auto show featuring Qi standard charging stations during the April 2011 Shanghai Auto Show.The WPC estimates that there will be approximately five auto manufacturers who will release cars with Qi-enabled charging capabilities either late this year or early next year.

ADDIS ABABA, Dec. 1 (Xinhua) -- Marking the World AIDS Day on Thursday at the African Union (AU) headquarters in Addis Ababa, Ethiopia, Jean Ping, the AU Commission chairperson, said Africa should no longer see new generations with HIV infection.Through his representative, Ping called upon individual and collective action to contain mother to child transmission of HIV."We should act individually and collectively not only to prevent mother to child transmission but also to take care of the health of people living with the virus," said the chairperson.He also expressed commitment of the AU Commission to work with member states and pertinent bodies in the efforts made to HIV treatment and prevention.The World AIDS Day is commemorated this year under the theme "Zero Mother to Child Transmission", as world leaders who were gathered in New York for the 2011 United Nations (UN) High Level Meeting on AIDS in June, launched a Global Plan for significant strides towards eliminating new HIV infection among children by 2015 and keeping their mothers alive.Remarkable progress has been made so far, which is proof to realize the vision of zero new HIV infection, zero discrimination, and zero AIDS-related death (the three zeros), said UN Secretary General Ban Ki-moon in the message on the commemoration of the World AIDS Day.The secretary general revealed that the number of new infections has fallen by more than 20 percent since 1997, and new infections are continuing to decline in most parts of the world.In sub-Saharan Africa, the region most affected by the AIDS epidemic, HIV incidence has decreased in 22 countries, he said.According to UNAIDS, Ethiopia, Nigeria, South Africa, Zambia, and Zimbabwe are among the African countries where new HIV infections dropped significantly."Treatment has averted 2.5 million AIDS-related deaths since 1985. Last year alone, 700,000 lives were saved. Some 6.6 million people, nearly half those who need treatment in low and middle- income countries, are now receiving it," said Ban."Synergies between prevention and treatment are speeding up progress. But, to end AIDS, we need to deliver even greater results," said the secretary general.The UNAIDS says to get to the three zeros there must be acceleration on smart investments, capitalizing on scientific advancements and respecting human rights.Speaking at the AU headquarters on the commemoration of AIDS Day, Jan Beagle, deputy executive director of UNAIDS, underlined on the need to invest smartly to achieve the vision of the three zeros.There is a global target of 22 million U. S. dollars to 24 billion dollars to fund the AIDS response, which the UNAIDS says is a shared responsibility of all countries, donors and others."International assistance for the AIDS response has declined from 8.7 billion dollars in 2009 to 7.6 billion in 2010," said the Deputy Executive Director."We need to use new technology more effectively to reduce costs and demonstrate that we can deliver return on investment," she said.The AIDS movement is a movement for inclusiveness, equity and social justice, she said, adding that it has demonstrated global solidarity is possible to address multi-sectoral challenges.According to Abdoulie Janneh, executive secretary of the UN Economic Commission for Africa (ECA), an estimated 7,000 people get infected with HIV infections every day.The executive secretary highlighted ingenious and novel approaches in introducing new HIV/AIDS prevention strategies."A combination of the traditional initiatives and innovative initiatives can all be used to eliminate new HIV infections," said Janneh.

来源：资阳报