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BEIJING, Sept. 10 (Xinhua) -- China will start "overall and thorough" safety checks on offshore oil exploration and production to eliminate risks in the wake of oil spills in the country's northern Bohai Bay, the work safety authority said Saturday.The checks, which starts from September 10 to December 10, will be applied to all offshore oil exploration and production, the State Administration of Work Safety said in a circular addressed to oil companies on its website.The companies include China National Petroleum Corporation, China Petrochemical Corporation, China National Offshore Oil Corporation, ConocoPhillips China, Kerr-McGee China Petroleum Ltd., Roc Oil (Bohai) Company, CACT Operators Group, Husky Oil China Ltd., Shanghai Petroleum Co., Energy Development Corporation (EDC) China and Tincy Group Energy, the statement said.The administration urged these enterprises to conduct self-examinations on their offshore fixed and mobile platforms and floating production storage and offloading units, submarine pipelines and onshore oil terminals in two months till November 10. They should file result reports before November 20.The authority's officials, joined by experts, will launch inspections from late November, the statement said. The checks cover well control amid drilling operation, safety management during production, facilities, and management over extreme weather, it added.The order came after the State Council on Wednesday called for strengthened monitoring and management of the marine environment as well as safety checks over the country's ocean oil fields to toughen safety measures and erase potential risks.The decision was made after oil spills at an offshore oil field run by U.S. oil giant ConocoPhillips have polluted more than 5,500 square km of sea water in the Bohai Bay since June.The central government also imposed restricts on new petrochemical projects and ban reclamation projects in the bay for environmental concerns.China has stepped up efforts to explore and materialize offshore resources to seek more dependence of the marine industries as a strategic development move. In its 12th Five-Year Plan, the government advocates greater scientific and systematic utilization of marine resources and coastal areas as energy demand soars.

BEIJING, Sept. 26 (Xinhuanet) -- Fu Ming'ai was reunited with his family on Sunday after 22 years.He is one of the more than 1,400 abducted children who were helped by a national DNA database, which helps match trafficked children and their parents."This shows the superiority of the national database," Chen Shiqu, director of the Ministry of Public Security's anti-human trafficking office, said on Sunday. The database was established in April 2009, when the ministry launched a nationwide crackdown on human trafficking."The ministry's branches across the country have been ordered to take blood samples of unidentified children and enter the information in the DNA database. Meanwhile, parents who report children missing also have their samples deposited in the repository," Chen said. "The database will point out matches for parents and children."DNA testing is accurate for both individual identification and kinship relations, and it is acknowledged as one of the most effective techniques to identify abducted children, according to the ministry.Fu, who was named Liu Qiang by his adoptive family in Shijiazhuang, capital of Hebei province, was picked up by his entire family at the railway station in his home city of Jishou, Hunan province."I resolved to find my parents, because I know I was kidnapped, not abandoned," said Fu, 26, a technician in an auto parts company in Tianjin. He remembered one day when he was 4, someone sprayed a substance in front of his face so that he could not open his eyes, and he was taken on a train.Fu left a blood sample with the DNA database in July. One month earlier, his parents had their blood samples taken when police said this could help the search for their son."I prayed to the gods, even in my dreams, to give my son back. He finally returned," said 55-year-old father Fu Gaomao, who was informed on Thursday of the successful match."Abducted children are found matching with their biological parents in the information bank every day," said Zhang Baoyan, founder of Baobeihuijia, or Baby Back Home, a volunteer group that assists in the nationwide search for missing children and offers support to their parents.

LOS ANGELES, June 17 (Xinhua) -- The size of low-oxygen zones created by respiring bacteria is extremely sensitive to changes in depth caused by oscillations in climate, thus posing a distant threat to marine life, a new study suggests."The growth of low-oxygen regions is cause for concern because of the detrimental effects on marine populations -- entire ecosystems can die off when marine life cannot escape the low- oxygen water," said lead researcher Curtis Deutsch, assistant professor of atmospheric and oceanic sciences at University of California, Los Angeles."There are widespread areas of the ocean where marine life has had to flee or develop very peculiar adaptations to survive in low- oxygen conditions," Deutsch said in the study to be published in an upcoming print edition of the journal Science.A team led byDeutsch used a specialized computer simulation to demonstrate for the first time that fluctuations in climate can drastically affect the habitability of marine ecosystems.The study also showed that in addition to consuming oxygen, marine bacteria are causing the depletion of nitrogen, an essential nutrient necessary for the survival of most types of algae."We found there is a mechanism that connects climate and its effect on oxygen to the removal of nitrogen from the ocean," Deutsch said. "Our climate acts to change the total amount of nutrients in the ocean over the timescale of decades."Low-oxygen zones are created by bacteria living in the deeper layers of the ocean that consume oxygen by feeding on dead algae that settle from the surface. Just as mountain climbers might feel adverse effects at high altitudes from a lack of air, marine animals that require oxygen to breathe find it difficult or impossible to live in these oxygen-depleted environments, Deutsch said.Sea surface temperatures vary over the course of decades through a climate pattern called the Pacific Decadal Oscillation, during which small changes in depth occur for existing low-oxygen regions, Deutsch said. Low-oxygen regions that rise to warmer, shallower waters expand as bacteria become more active; regions that sink to colder, deeper waters shrink as the bacteria become more sluggish, as if placed in a refrigerator."We have shown for the first time that these low-oxygen regions are intrinsically very sensitive to small changes in climate," Deutsch said in remarks published Friday by the American Association for the Advancement of Science on its website. "That is what makes the growth and shrinkage of these low-oxygen regions so dramatic."Molecular oxygen from the atmosphere dissolves in sea water at the surface and is transported to deeper levels by ocean circulation currents, where it is consumed by bacteria, Deutsch said."The oxygen consumed by bacteria within the deeper layers of the ocean is replaced by water circulating through the ocean," he said. "The water is constantly stirring itself up, allowing the deeper parts to occasionally take a breath from the atmosphere."A lack of oxygen is not the only thing fish and other marine life must contend with, according to Deutsch. When oxygen is very low, the bacteria will begin to consume nitrogen, one of the most important nutrients that sustain marine life."Almost all algae, the very base of the food chain, use nitrogen to stay alive," Deutsch said. "As these low-oxygen regions expand and contract, the amount of nutrients available to keep the algae alive at the surface of the ocean goes up and down. "Understanding the causes of oxygen and nitrogen depletion in the ocean is important for determining the effect on fisheries and fish populations, he said.

WASHINGTON, June 21 (Xinhua) -- Brain cancer patients who are able to exercise live significantly longer than sedentary patients, U.S. scientists at the Duke Cancer Institute have reported.The finding, published online this week in the Journal of Clinical Oncology, adds to recent research that exercise improves how cancer patients feel during and after treatments, and may also extend their lives.The study enrolled 243 patients with advanced recurrent gliomas, lethal brain malignancies that typically result in a median life expectancy of less than six months. The patients who reported participating in regular, brisk exercise -- the equivalent of an energetic walk five days a week for 30 minutes -- had significantly prolonged survival, living a median 21.84 months versus 13.03 months for the most sedentary patients."This provides some initial evidence that we need to look at the effects of exercise interventions, not only to ease symptoms but also to impact progression and survival," said Lee Jones, associate professor in the Duke Cancer Institute and senior author of the study.

BEIJING, Sept. 28 (Xinhua) -- Chinese banks have extended more loans to small firms to ease their financial predicaments as the government tightens monetary supply, a banking regulator said Wednesday.Outstanding loans to small firms grew 26.6 percent year-on-year to hit 9.85 trillion yuan (1.55 trillion U.S. dollars) at the end of July, said Xiao Yuanqi, an official in charge of financial services for small enterprises at the China Banking Regulatory Commission.The growth was 10 percentage points higher than that of the banks' total outstanding loans, Xiao told Xinhua.More than 100 commercial banks have set up special operations to ease small firms' difficulties getting access to bank credit, he noted.The figures came at a time when China is trying to balance the missions of countering inflation and sustaining the growth of small enterprises.The People's Bank of China, or the central bank, has raised the benchmark interest rate three times this year and increased the reserve requirement ratio six times.The measures bit into small, cash-strapped companies, which are already disadvantaged in seeking bank support due to insufficient collateral.Only 15 percent of China's small enterprises could get loans from banks and half of them had to resort to private lenders, according to a report by the National School of Development with Peking University in July.With tighter liquidity and stricter regulatory requirements on capital-adequacy ratios and loan-deposit ratios, banks are more reluctant to lend to small firms, said Ai Min, a retail banking general manager with China Minsheng Banking Corp., Ltd.Besides, the expanding size of lending to small firms may lead to higher risks, said Ai.He suggested banks improve the risk evaluation and collateral system for loans to small firms.