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SHENZHEN -- Construction began Saturday on an experimental facility which will offer a platform for Chinese and foreign scientists to work together for discovering a new kind of neutrino oscillation in Shenzhen, South China's Guangdong Province.It was the second biggest cooperation program Chinese high energy scientists ever conducted with other foreign counterparts since October 1988 when the positive-negative electron collider was built in Beijing.Through the collider, scientists from China and the United States have cooperated and carried out legions of scientific research.Saturday's construction commencement function was attended by more than 100 people, including government officials and foreign diplomats, such as Dr. Robin Staffin, Associate Director of Science in the US Department of Energy.Neutrino Oscillation is an intriguing behavior of a sub-atomic particle called neutrino.And the new facility is being built in the mountain near Daya Nuclear Power Plant, which has four reactors with a combined thermal output of 11.6 million kw in operation, and Ling'ao nuclear power plant is not far away. Both nuke power plants will serve as sources of anti-neutrinos for the experiments when the facility is finished.Workers will build three underground experimental halls which will be connected by long tunnels in the mountain that shields the experiment from unwanted cosmic radiation.Each hall will feature a 10-m deep water-pool within which eight anti-neutrino detectors will be deployed. The water protects the detectors from nearby radiation that interferes with the measurement, and helps identify surviving cosmic radiation.And the first experimental hall is expected to be ready by the end of 2008. Commissioning of the detectors in this hall will take place in 2009.Civil engineering construction is anticipated to last about two years, with installation of the last detector scheduled for 2010.Upon completion of the new facility, more than 190 scientists from six countries and regions including the Chinese mainland, Hong Kong, Taiwan Province, the United States and Russia will come over to do research work, according to Chen Hesheng, Chief of the Institute of High Energy Physics with the Chinese Academy of Sciences (CAS).The facility will have a budget of 250 million yuan (US.25 million). And China will be responsible for infrastructure construction and making of four detectors. And the United States will be responsible for making of the rest of the detectors.Wang Yifang, chief scientist on the experiment, said he was confident that the program would make an important contribution to finding a new breakthrough in China's research efforts in particle physics, starting a new horizon in world's neutrino research, and to improving the overall strength of China in science and technology.

GUANGZHOU: Doctors in this city have developed a new birth control surgery for men that could be made available to the public starting next year.The method involves making a small incision along the testicle. Doctors then place a tiny tube, about the size of a match, into the opening.The tube functions as a filter that blocks sperm, Wu Weixiong, the director of Guangzhou Family Planning Technology Center, said.The surgery has already been patented, and the health department will promote it as soon as it is approved by the National Food and Drug Administration, Zhu Jiaming, the vice-president of the Guangzhou Sexology Association, said.He expects approval to be granted by next year."The success rate for this form of birth control is 97 percent," he said.The tube can be removed without negatively affecting a man's sexual health, he said.Wu said the operation takes just 10 minutes. However, it is very difficult and requires highly skilled doctors.He said only a few hospitals have the staff and facilities necessary to carry out the procedure. However, training courses will soon be made available to local doctors.Wu said he believed enough facilities and manpower would be available to handle the demand for such operations by the time the procedure is officially approved."The success rate of the operation is almost 100 percent," Duan Jianhua, an official of Guangzhou population and family planning commission, said.Research on the operation started four years ago in Beijing. It was led by the science and technology institute of the National Population and Family Planning Commission and Guangzhou family planning science and technology institute.Wu said the technique was developed through more than 1,600 clinical trials all over the country. More than 500 men in Qingyuan, a city in Guangdong Province, have already had the operation. All the trials were successful and none of the subjects has experienced any side effects.Zhu Jiaming said the operation costs just a few thousand yuan, which is affordable for most people in China."When the technique is available, couples will have one more option for birth control, and married women do not have to install an intrauterine device (IUD) anymore," Zhu said.The public seems ready."I welcome this technique. It makes me feel women are more respected by society than before," Liu Jun, a woman in Guangzhou, said.A survey by the Guangzhou-based New Express Daily found that about 60 percent of Guangzhou residents welcomed the surgery and supported its promotion.

WASHINGTON -- At high-level economic talks that wrap up Wednesday, China is urging frustrated US officials to be patient as the two powers work to manage a delicate trade relationship. The United States, by contrast, is pushing for quick action. The talks began Tuesday and could yield some results, including increased US airline flights to China and a lowering of barriers to sales of American energy technology products in China. Senior US officials have tamped down expectations of major breakthroughs, however, as they described the meetings as strategic discussions, not negotiating sessions. US Commerce Secretary Carlos Gutierrez said the twice-a-year talks are "all about the long-term; developing a common understanding of the future." Still, the US side made a point of noting simmering frustration. Treasury Secretary Henry Paulson said Americans are by nature impatient people; Gutierrez described the "need to make progress in all areas as soon as possible." The urgency is reflected in an increasingly restive US Congress, where lawmakers are considering a spate of bills that would impose economic sanctions on China. Many blame America's soaring trade deficits and the loss of one in six manufacturing jobs since 2000 in part on claims of Chinese currency manipulation and copyright piracy. In blunt words, Chinese Vice Premier Wu Yi cautioned the United States against making accusations. "We should not easily blame the other side for our own domestic problems," Wu said through an interpreter. "Confrontation does no good at all to problem-solving." Wu, known as a tough negotiator, said that both countries should "firmly oppose trade protectionism." She warned that any effort to "politicize" the economic relationship between the two nations would be "absolutely unacceptable." Wu and her delegation were scheduled to meet privately this week with major congressional leaders. The US delegation raised the issue of food safety highlighted by such incidents as the deaths of pets who had eaten pet food made with tainted wheat gluten imported from China. US Labor Secretary Elaine Chao, briefing reporters at the end of the first day of talks, said Agriculture Secretary Mike Johanns had made a forceful presentation to the Chinese about the concerns Americans have about food safety. In response, she said, Chinese officials sought to assure the Americans that they would fully investigate any problems discovered. Democratic Sen. Edward M. Kennedy and four other senators urged the Bush administration in a letter to get Chinese commitments to cooperate in investigations into food safety, saying that the way China currently handles the issue is unacceptable. Paulson created the talks last year as a way to get the countries' top policy makers together twice a year to work toward reduced trade tensions. The first meeting was in Beijing last December.

Investors monitor the movement of stock prices at a brokerage firm in Guangzhou, South China's Guangdong Province May 9, 2007. [newsphoto]China's main stock index hit a fresh all-time high after breaking a key barrier of 4,000 points due to the soaring blue chip stocks as investors shrugged off official warnings of a possible market bubble amid soaring corporate profits. The benchmark Shanghai Composite Index, the most widely watched indicator of the mainland's stock market, gained 1.60 percent to end at 4,013.08 points, breaching the psychologically important mark of 4,000 for the first time. That marks a gain of 50 percent so far this year on top of a 130 percent rally in 2006. Blue chip stocks showed strong performances. China Unicom, the nation's second largest wireless operator, jumped its daily limit of 10 percent to close at 6.35 yuan per share. Bank of China rose 7.77 percent to 6.10 yuan, while Industrial and Commercial Bank of China was up 5.47 percent to 5.78 yuan. The surge came after the Shanghai Composite Index was pushed to a new high in the previous session as new investor cash flooded in after the week-long May Day market recess and China's yuan broke the barrier of 7.70 against the US dollar. The consistent hitting of new highs since January was partly driven by the wave of money brought in by new investors. Some 4.787 million new A-share trading accounts were opened in April, more than the combined number of the previous two years, statistics from China Securities Depository and Clearing Corporation. The figures for the new accounts are considered a rough indicator for the number of new individual investors entering the market. Analysts said the market may undergo drastic fluctation after the index breaks the 4,000 point mark, as worries about stock overvaluations build up. The stocks in the Shanghai and Shenzhen markets are trading at more than 40 times  earnings per share on average, much higher than developed markets overseas. The growing bubble in the country's stock market is a concern, said central bank governor Zhou Xiaochuan last week, adding he would closely monitor asset prices, the consumer price index and producer price index. Zhou's remarks added to speculation there could be an interest rate hike as early as next month. Xie Guozhong, former chief China economist for Morgan Stanley, suggested regulators should come up with certain policies to put the brakes on the surging stock market for the good of long-term economic development and social stability. "China's equity market is starting to show signs of getting out of control," said Zuo Xiaolei, chief economist of China Galaxy Securities in China Securities Journal on Wednesday The market rose even after the interest rate was hiked in March, and the bank reserve ratio was raised in April, said Zuo. "The neglect of policy and blindly pushing up the equity market fosters a big market risk," he claimed.

TOKYO - Japan's Supreme Court on Friday overturned a landmark ruling that had ordered a Japanese company to compensate Chinese who were forced to work as slave labourers during World War Two. It was the first ruling by Japan's top court on whether foreigners forcibly brought to Japan to work during and before World War Two had the right to compensation. A lower court had ordered Japanese construction firm Nishimatsu Construction Co. Ltd. to pay a total of 27.5 million yen (0,000) in compensation to a group of five Chinese for forcing them to labour in Japan during World War Two.

来源：资阳报