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XINING, Oct. 3 (Xinhua) -- China will put environmental concerns as top priority in tackling ways to exploit combustible ice, a kind of natural gas hydrate, in the permanent tundra in its northwest plateau region, said a combustible ice project leader.     "We do not need to drill very deep to get the flammable frozen compound from tundra here in Muli Prefecture in Qinghai Province. However, as the sample is taken out, methane gas is easily released into the atmosphere," said Wen Huaijun, chief engineer of the combustible ice project in Qinghai.     He said the project team under the China National Administration of Coal Geology is carrying out research to guarantee that the exploitation of the frozen natural gas does not cause environmental problems.     Combustible ice is regarded as a potential source of alternative energy to coal and oil. One cubic meter of combustible ice can release 164 cubic meters of natural gas.     The Ministry of Land Resources said on Friday that the prospective volume of the natural gas hydrate in the country's frozen earth regions is estimated to reach 35 billion tonnes of oil equivalent.     China announced the first discovery of the resource under the bed of the South China Sea in May 2007.     Wen said the environmental threats from the use of the resource even in a land-based region is enormous, because it releases carbon dioxide or methane into the atmosphere.     "The plateau region is very sensitive to environmental changes. The biological conditions here are vulnerable," he said.     Combustible ice usually exists in seabed or tundra areas (two mediums having the strong pressure and low temperature necessary to its stability). It can be lit up like solid ethanol, which is why it has the name "combustible ice."     Wen said the combustible ice research project has been carried in Muli Prefecture, 4,100 meters above sea level, since 2004.     "It still takes time and a huge amount of research investment to realize the dream of exploiting the resource, while ensuring the environment," he said.     Wang Jianbin, deputy director of the Qinghai Bureau of Land Resources, said at the present stage, the project focus is still to ascertain locations of the deposit, and carry out a feasibility study on its exploitation.

BEIJING, Aug. 31 (Xinhua) -- The Chinese Ministry of Commerce said Monday it would extend anti-dumping duties on phthalic anhydride imported from the Republic of Korea, Japan and India for another five years after review investigation.     Phthalic anhydride is an important industrial chemical mainly used in the mass production of plasticizers for plastics     The imported phthalic anhydride would cause damage to Chinese industries should anti-dumping duties be lifted, said the ministry.     The duties took effect Monday.     On Jan. 7, China imposed anti-dumping measures on phthalic anhydride to offset negative impact on domestic producers.

URUMQI, Aug. 4 (Xinhua) -- Seven hundred and eighteen people have been detained for being implicated in the Urumqi riot on July 5 which left 197 people dead and more than 1,600 injured, Urumqi City police chief Chen Zhuangwei said Tuesday.     Chen, head of the Public Security Department of Urumqi, capital of the Xinjiang Uygur Autonomous Region, said evidence collection had been a heavy load for the city's police force. It had involved examinations at the crime scenes and DNA evaluations, but it had been carried out swiftly. Chen Zhuangwei (C), head of the Public Security Bureau of Urumqi City, addresses a press conference in Urumqi, capital of Xinjiang Uygur Autonomous Region in northwest China, Aug. 4, 2009. Chen said police had visited more than 1,000 people, including those injured in the riot and families whose members had lost their lives in the unrest. Police had also inspected 530 shops and 943 motor vehicles damaged during the violence. As well, they collected and examined 3,318 pieces of evidence, and obtained 2,169 photos of crime scenes in Urumqi. Chen Zhuangwei, head of the Public Security Bureau of Urumqi City, addresses a press conference in Urumqi, capital of Xinjiang Uygur Autonomous Region in northwest China, Aug. 4, 2009.

BEIJING, Aug. 31 (Xinhua) -- The Chinese Ministry of Commerce said Monday it would extend anti-dumping duties on phthalic anhydride imported from the Republic of Korea, Japan and India for another five years after review investigation.     Phthalic anhydride is an important industrial chemical mainly used in the mass production of plasticizers for plastics     The imported phthalic anhydride would cause damage to Chinese industries should anti-dumping duties be lifted, said the ministry.     The duties took effect Monday.     On Jan. 7, China imposed anti-dumping measures on phthalic anhydride to offset negative impact on domestic producers.

PYONGYANG, Sept. 25 (Xinhua) -- Chinese living in the Democratic People's Republic of Korea (DPRK) on Friday expressed willingness to help boost bilateral ties at a reception in the Chinese embassy to Pyongyang.     The reception was held to mark the 60th anniversary of the founding of the People's Republic of China.     A powerful and prosperous motherland is a powerful backing for the Chinese in the DPRK, said Liang Zuojun, vice president of the Central Committee of the Federation of the Chinese Residing in the DPRK. Chinese Embassador Liu Xiaoming (front, R) presents a gift to an oversea Chinese teacher at a reception held by the Chinese Embassy to mark the 60th anniversary of the founding of the People's Republic of China in Pyongyang, capital of the Democratic People's Republic of Korea (DPRK), Sept. 25, 2009He said all Chinese in the DPRK will live harmoniously with local residents and make efforts for the enhancement of the China-DPRK relationship, and the construction of both countries.     Liu Xiaoming, the Chinese ambassador to the DPRK, said the Chinese in the DPRK have devoted their wisdom to the socialism construction of the DPRK, and have won the respect and praise of the DPRK government and people.     He encouraged the Chinese to continue to support the construction and reunification cause of their motherland China.

来源：资阳报