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NANJING, Dec. 20 (Xinhua) -- Chinese Premier Wen Jiabao has called for the country to maintain confidence that it can weather challenges amid a "complicated and tough" outlook of economic development."As in 2008, we are now encountering difficulties which can be overcome through hard work," Wen said during his tour to eastern Jiangsu province on Sunday and Monday.Elaborating on the grim situation, Wen said the growth of China's exports has been slowing and the pace of the slowdown has accelerated, especially in the past three months. Meanwhile, the profit margin of the country's manufacturing industry has been squeezed and some enterprises have even fallen into the red.Chinese Premier Wen Jiabao (C) talks to staff members in a small loan company for rural areas in Suzhou National New & Hi-Tech Industrial Development Zone in Suzhou City, east China's Jiangsu Province, Dec. 19, 2011. Wen Jiabao made an inspection tour in Jiangsu on Dec. 18 and 19. He noted that the country is also facing shrinking external demand, rising costs and pressure from both slowing economic growth and high inflation, which makes macro-economic regulation more difficult.Despite emerging challenges, however, the current momentum of China's economic development is "generally good," Wen said.China's economic growth has been slowing all year but remains above the global average. Its GDP growth slowed to 9.1 percent in the third quarter from 9.5 percent in the second quarter and 9.7 percent in the first quarter.To tackle the challenges, Wen said the country will boost domestic demand while stabilizing external demand and keep its export policies such as export tax rebates "basically stable" in the coming year.Efforts should also be made to enhance domestic enterprises' competitiveness, promote the transfer of industry to the country's western regions, and develop the international market, especially in emerging economies, he said.He said China will stick to, and further improve upon, the opening-up policy and welcome foreign enterprises to invest in the country, adding that the country will protect intellectual property rights and implement a fair and open bidding approach in terms of government procurement.Wen also demanded efforts be made to encourage private investment in sectors such as railways, public facilities, finance, energy, education and health-care.Furthermore, he urged banks to take concrete action in better serving the real economy and asked financial institutions to enhance support for enterprises while improving management in order to control the capital bubble and prevent risks.Wen said the southern parts of Jiangsu should engage in a comprehensive development strategy to build the province into a forefront of the country's opening-up drive.

WASHINGTON, Dec. 28 (Xinhua) -- People with diets high in several vitamins or in omega 3 fatty acids are less likely to have the brain shrinkage associated with Alzheimer's disease than people whose diets are not high in those nutrients, according to a new study published on Wednesday in the online issue of Neurology, the medical journal of the American Academy of Neurology.Those with diets high in omega 3 fatty acids and in vitamins C, D, E and the B vitamins also had higher scores on mental thinking tests than people with diets low in those nutrients. These omega 3 fatty acids and vitamin D are primarily found in fish. The B vitamins and antioxidants C and E are primarily found in fruits and vegetables.In another finding, the study showed that people with diets high in trans fats were more likely to have brain shrinkage and lower scores on the thinking and memory tests than people with diets low in trans fats. Trans fats are primarily found in packaged, fast, fried and frozen food, baked goods and margarine spreads.The study involved 104 people with an average age of 87 and very few risk factors for memory and thinking problems. Blood tests were used to determine the levels of various nutrients present in the blood of each participant. All of the participants also took tests of their memory and thinking skills. A total of 42 of the participants had MRI scans to measure their brain volume. Overall, the participants had good nutritional status, but seven percent were deficient in vitamin B12 and 25 percent were deficient in vitamin D.Study author Gene Bowman, of Oregon Health & Science University in Portland, said that the nutrient biomarkers in the blood accounted for a significant amount of the variation in both brain volume and thinking and memory scores. For the thinking and memory scores, the nutrient biomarkers accounted for 17 percent of the variation in the scores. For brain volume, the nutrient biomarkers accounted for 37 percent of the variation."These results need to be confirmed, but obviously it is very exciting to think that people could potentially stop their brains from shrinking and keep them sharp by adjusting their diet," Bowman said.

WASHINGTON, Dec. 21 (Xinhua) -- NASA's Dawn spacecraft has sent around 10,000 pictures of the giant asteroid Vesta back to Earth for the first time since its launch in 2007, the U.S. space agency announced Wednesday.The images were taken from an average altitude of 209 km, the closest the spacecraft can get.From the images, scientists could see Vesta's stippled and lumpy surface in great detail, and its many small craters, grooves, and lineaments. The fine scale of the images highlights small outcrops of bright and dark material.With these new discoveries, scientists believe that studying Vesta can help decode the early history of the solar system.Dawn will maintain its low-altitude orbit for another 10 weeks before moving to a higher orbit for another round of photo-taking.Launched in 2007, the 446 million U.S. dollar project aims at studying the chemical composition of Vesta's surface and probing its interior structure.Dawn will leave Vesta in July next year and arrive at the dwarf planet Ceres in February 2015.

BEIJING, Jan. 21 (Xinhua) -- A locomotive producer in central China's Hunan province on Friday rolled out a low-cost magnetically levitated (maglev) train that is more environmental-friendly than conventional ones.The three-carriage train is designed to run at a maximum speed of 100 km per hour and carry 600 passengers, said Xu Zongxiang, general manager of Zhuzhou Electric Locomotive Co. Ltd. of China South Locomotive and Rolling Stock Corporation (CSR). Xu said the new train was much quieter than conventional ones. While a conventional train moves forward by using friction between its wheels and the railway tracks, the maglev train replaces wheels by electromagnets and levitates on the guideway. According to Xu, his company's has minimized the risk of the new maglev train derailing or overturning. "It's ideal for mass transportation, as it is quiet and environmental-friendly. Its manufacturing cost is about 75 percent of a conventional light-rail train," said Xu. The maglev train has a minimum turning radius of 50 meters and can easily run in residential communities or on hilly slopes. "It's an ideal public transport option for Chinese cities and major tourist destinations," said Xu. Railway transport specialist Liu Youmei, also an academician with Chinese Academy of Engineering, said the new train is green, economical and safe. "It can be used for public transport in populous areas and at scenic spots with fragile environments." Liu said China is one of a few countries that have applied maglev technology. Beijing is building a maglev route, the Daitai line (S1), which starts at its IT center in Haidian district, passes through Shijingshan district, and ends in Mentougou district on its western outskirts. The line will be operational next year.The eastern metropolitan of Shanghai runs the world's first commercial maglev system on a 30-km stretch between the downtown business district and Pudong airport. The German-made maglev went into operation on Dec. 31, 2002.

来源：资阳报