三门峡找胡臭(三门峡治疗灰指甲最好的医院) (今日更新中)

WASHINGTON, Sept. 15 (Xinhua) -- A team of researchers has discovered a planet that orbits around a pair of stars, the U.S. space agency NASA announced Thursday.This is the first instance of astronomers finding direct evidence of a so-called circumbinary planet. A few other planets have been suspected of orbiting around both members of a dual-star system, but the transits of the circumbinary planet have never been detected previously.The team, led by Laurance Doyle of the SETI Institute in California, used photometric data from the NASA Kepler space telescope, which monitors the brightness of 155,000 stars.NASA's Kepler mission has discovered a world where two suns set over the horizon instead of just one. The planet, called Kepler-16b, is the most "Tatooine-like" planet yet found in our galaxy. Tatooine is the name of Luke Skywalker's home world in the science fiction movie Star Wars. In this case, the planet it not thought to be habitable. It is a cold world, with a gaseous surface, but like Tatooine, it circles two stars.They found the binary star system by detecting a system where the stars eclipsed each other from the perspective of the Kepler spacecraft. These stars have two eclipses: A primary eclipse when the larger star is partially blocked by the smaller star and a secondary eclipse where the smaller star is fully blocked by the larger star.But the researchers also noticed other times when the brightness of the two stars dropped, even when they were not in an eclipse position. This pattern suggested that there was likely a third object involved. The fact that these so-called tertiary and quaternary eclipses recurred after varying intervals of time, and were of different depths, indicated that the stars were in different positions in their orbit at each instance. This result showed that the tertiary and quaternary eclipses were being caused by something circling both stars, and not an object circling one or the other star.Measurements of the variations in the timing of all four types of eclipses, resulting from the mutual gravitational interactions of the two stars and the third body, demonstrated that the third object was, indeed, a planet. Their work indicates that the planet is less massive than Jupiter, possibly comparable in mass to Saturn, and that the larger of the two binary stars is smaller than our Sun.Their findings will be published Friday in Science."This discovery confirms a new class of planetary systems that could harbor life," Kepler principal investigator William Borucki said in a statement. "Given that most stars in our galaxy are part of a binary system, this means the opportunities for life are much broader than if planets form only around single stars. This milestone discovery confirms a theory that scientists have had for decades but could not prove until now."

BEIJING, Aug. 27 (Xinhua) -- Heavy rain battered several east China provinces Saturday, destroying homes and farmlands, while drought persisted in some of the country's arid central and southwestern regions.On Friday and Saturday, five counties in Anhui Province were hit by downpour, the provincial meteorological bureau said.It said 23 towns reported over 200 mm of rainfall in the 24 hours from 8 a.m. Friday to 8 a.m. Saturday. In some villages of Huaiyuan County, the precipitation topped 300 mm, about one third of the annual average volume.In Fengtai County alone, 2,048 people were stranded by rain-triggered flood. As of 9 p.m. Saturday, about 800 of them were still waiting for evacuation.Incomplete statistics provided by the provincial government said 280 houses toppled in the rain disaster and another 580 homes were damaged. About 54,800 hectares of cropland was drowned by rain and flood.The direct economic loss was estimated at 240 million yuan (37.6 million U.S. dollars), the provincial government said Saturday night.The provincial weather bureau forecast heavy rain will continue in most parts of Anhui in the coming three days.Heavy rain also wreaked havoc in seven cities and counties of the eastern Shandong Province, causing 230 million yuan of direct economic losses.Torrential rain that lasted more than 24 hours from Friday to Saturday afternoon forced evacuation of nearly 2,000 people in parts of Zaozhuang, Liaocheng and Linyi cities, the provincial civil affairs department said.It said nearly 500 homes toppled and more than 800 others were damaged.China Meteorological Administration has forecast heavy rain in the coming three days in Anhui, Shandong, Liaoning, Jiangxi provinces and parts of the Xinjiang Uygur Autonomous Region in the coming two to three days.Little rain has been predicted, however, for the drought-hit provinces in central and southwestern China, the administration said on its website.While the predicted rainfall for Guizhou, Sichuan, Chongqing, Yunnan, Hunan and Guangxi averages only 2 to 8 mm in four days from Aug. 28 to 31, it said the high temperature in these areas will still hover over 35 degrees Celsius.Affected by the approaching Typhoon Nanmadol, the coastal areas of Guangdong Province will experience high tides Sunday, but the scorching weather will stay next week, the provincial weather bureau said.The high temperature in most parts of the province has topped 35 degrees Celsius.

BEIJING, Aug. 13 (Xinhua) -- The quality of the products China exported to the European Union (EU) improved during the first half of this year due to strict quality control measures, according to quality control authorities.The number of quality complaints made by the EU regarding Chinese imports declined by 45 percent in the first half of 2011, according to the General Administration of Quality Supervision, Inspection and Quarantine (AQSIQ).The administration attributed the improved quality to its nationwide crackdown on counterfeited and substandard products.The administration launched a nationwide quality checkup in the first half of this year. Of the 4,815 batches of products that the quality control authorities checked between January and June, just 9.4 percent failed quality tests, 1.7 percentage points lower than that of the same period of last year, according to the administration.A total of 218,000 counterfeiting cases have been investigated so far this year, involving goods worth a total of 9.5 billion yuan (1.49 billion U.S. dollars), the administration said.

PARIS, June 14 (Xinhua) -- Solar Impulse, a Swiss solar-powered aircraft, finally arrived in Paris on Tuesday after three days' delay, ready for a debut at the biennial International Paris Air Show.The 1.6-ton solar-powered plane was expected to land in Paris on Saturday but technical problems and bad weather forced it to turn back to Brussels.The plane took its first international flight from Switzerland to Brussels on May 13 and then marked its second international flight to Paris. It has 12,000 solar cells mounted on the wings, which provide momentum for its four electric motors.Solar Impulse is the first aeroplane designed to fly day and night without requiring fuel and without producing carbon emission. The 64-meter-wingspan (as wide as an Airbus A340) can fly at extremely slow speed and has a weight equivalent to that of an average family car.Regarded as a "special guest" in the show, Solar Impulse made a historic 26-hour day and night flight without fuel in July 2010.During the Paris air show from 20 to 26 June, visitors can enjoy a close look at the innovative plane on ground every day and if weather condition permits, flying displays will take place.According to Paris Air Show organizers, 59 of the top 100 companies in the air industry worldwide will be present. More than 1,800 small and medium-sized companies will be exhibiting their products during the one-week show. Enditem

UNITED NATIONS, June 8 (Xinhua) -- Marking 30 years of the HIV- AIDS pandemic, scores of heads of state and government and ministers took to the UN General Assembly podium on Wednesday to list their country's accomplishments and list challenges in the battle.The General Assembly High Level Meeting on AIDS is taking place 10 years after the UN Special Session on HIV/AIDS and also marks five years since signing of the Political Declaration in which UN member states committed to moving towards universal access to HIV prevention, treatment, care and support.UN Secretary-General Ban Ki-moon UN recalled how three decades ago AIDS was spreading while "Today, we have a chance to end this epidemic once and for all."Now, instead of fear, there is hope, he said."Today, HIV is on a steep decline in some of the most affected countries. Countries like Ethiopia, South Africa, Zambia and Zimbabwe," he said. "They had the largest epidemics in the world, and they have cut infection rates by one quarter.""Globally, more than 6 million people now get treatment," Ban said. "All of these advances come thanks to you and the commitments you made, first 10 years ago and then again in 2006. Today, the challenge has changed. Today, we gather to end AIDS."However, President Joseph Deiss of the General Assembly said 10 million people still have no access to treatment and far too many people were still being infected, adding it was necessary to continue complementary and closely-linked prevention, treatment, care and support measures."We have reached a critical moment in time," he said. "We must take a holistic approach and integrate the response to AIDS into broader development programs."Michel Sidibe, executive director of the Joint UN Program on HIV/AIDS (UNAIDS), recalled how 30 years the disease was called the gay plague and slime disease. People were afraid of each other and there was no hope."This image should not disappear. It is part of our history," he said.Sidibe said the AIDS movement was the story of a people breaking the conspiracy of silence, demanding equity and dignity, confronting societies'wrongs, seizing their rights, and making a passionate call for social justice. Since then, a compact had been made between the global North and the South, which had produced lifesaving results.Now, More than 6.6 million people are being treated in low- and middle- income countries, he said, pointing out that since the initial success stories in Uganda and Thailand 56 countries, including 36 in Africa, have been able to stabilize the epidemic and reduce the number of infections significantly.Infections have been reduced by 35 percent in South Africa and by more than half in India, the UNAIDS chief said. In China, the HIV mortality rate had fallen by 64 percent, Sidibe said. Many other countries had reached universal access to treatment.He voiced what was repeated several times, and that was a call for "a transformational agenda" of "zero infections, zero discrimination and zero AIDS-related deaths."To put a personal face on the disease, a woman from Ukraine openly living with HIV, Tetyana Afansiadi, told her story to the delegates.She told how she had been living with HIV and using drugs for 13 years, had hepatitis C for almost 11 years but now has a husband and an 8-year-old son. Neither have HIV.Three years ago she took part in a drug therapy program that has enabled her to live, work, and take care of her son."Drug dependency and HIV-infection require treatment, not prosecution," she said.Given that opioid substitution therapy in her home city had changed the lives of people like her, it was time to stop refusing antiretroviral treatment to people who used drugs.While the heads of states and government and ministers, usually those heading up health departments, spoke in the General Assembly hall under bright lights, scores more of delegates attended five panel sessions and about 40 individual side events.Some samplings from the spotlighted dark-green podium in the great hall:President Paul Kagame of Rwanda, said, "It is time to galvanize member states to commit to a transformative agenda that overcomes the barriers to an effective, equitable and sustainable response to HIV and AIDS."Jose Angel Cordova Villalobos, health minister of Mexico, called for states to implement friendly, non-discriminatory healthcare systems as well as sex education in order to prevent the spread of HIV/AIDS."To achieve this, we call to all the countries congregated here today in order that your actions are based in the framework of respect to the human rights and focusing on gender equity, that allow to consolidate an effective response to the HIV/AIDS without stigmas, discrimination, homophobia, transphobia; as well as any type of violence," he said, referring, in part, to transsexuals.The vice president of Mauritius, Monique Bellepeau, said, "The adverse impact of the AIDS epidemic on the socioeconomic progress, particularly in the developing countries, dictates that there is no time for complacency."She added, "After wrestling with AIDS for the past three decades, we are today equipped with a vast body of knowledge and various new tools to urgently complete the task. No less than strict prevention efforts and universal access to treatment, care and support are required."The speeches continue Thursday and on the final day of the three-day meeting, UN member states are expected to adopt a declaration to guide country responses to HIV over the next five years.

来源：资阳报