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LOS ANGELES, April 1 (Xinhua) -- A NASA Gulfstream-III aircraft equipped with a synthetic aperture radar is scheduled to depart Sunday, April 3 on a nine-day mission to image Hawaii volcanoes, the Jet Propulsion Laboratory (JPL) announced on Friday.The aircraft will fly from the Dryden Aircraft Operations Facility in Palmdale, California to the Big Island of Hawaii to study the Kilauea volcano that recently erupted, said JPL in Pasadena, Los Angeles.The mission will help scientists better understand processes occurring under Earth's surface, JPL said.Developed by JPL, the Uninhabited Aerial Vehicle Synthetic Aperture Radar, or UAVSAR, uses a technique called interferometric synthetic aperture radar that sends pulses of microwave energy from the aircraft to the ground to detect and measure very subtle deformations in Earth's surface, such as those caused by earthquakes, volcanoes, landslides and glacier movements.As the Gulfstream-III flies at an altitude of about 12,500 meters, the radar, located in a pod under the aircraft's belly, will collect data over Kilauea, according to JPL.The UAVSAR's first data acquisitions over this volcanic region took place in January 2010, when the radar flew over the volcano daily for a week. The UAVSAR detected deflation of Kilauea's caldera over one day, part of a series of deflation-inflation events observed at Kilauea as magma is pumped into the volcano's east rift zone.This month's flights will repeat the 2010 flight paths to an accuracy of within 5 meters, or about 16.5 feet, assisted by a Platform Precision Autopilot designed by engineers at NASA's Dryden Flight Research Center on Edwards Air Force Base, California, JPL said.By comparing these camera-like images, interferograms are formed that reveal changes in Earth's surface, said JPL.Between March 5 and 11, 2011, a spectacular fissure eruption occurred along the east rift zone. Satellite radar imagery captured the progression of this volcanic event."The April 2011 UAVSAR flights will capture the March 2011 fissure eruption surface displacements at high resolution and from multiple viewing directions, giving us an improved resolution of the magma injected into the east rift zone that caused the eruption," said JPL research scientist Paul Lundgren."Our goal is to be able to deploy the UAVSAR on short notice to better understand and aid in responding to hazards from Kilauea and other volcanoes in the Pacific region covered by this study," Lundgren added.

BEIJING, Feb. 9 (Xinhua) -- The Chinese currency, or the yuan, rose to a new high of 6.585 against the U.S. dollar Wednesday, according to the China Foreign Exchange Trading System.The central parity rate of the RMB, or the yuan, was 10 basis points higher than the previous record of 6.586 set on Feb. 1, the previous trading day.The yuan appreciated 3.6 percent last year, but some analysts predict it could rise further against the dollar this year as the People's Bank of China (PBOC), the central bank, attempts to cool accelerating inflation.The PBOC announced Tuesday it would raise the benchmark one-year borrowing and lending rates by 25 basis points from Wednesday.On China's foreign exchange spot market, the yuan can rise or fall 0.5 percent from the central parity rate each trading day.The central parity rate of the RMB against the U.S. dollar is based on a weighted average of prices before the opening of the market each business day.

NEW DELHI, March 5 (Xinhua) -- Doctors in India have claimed to have successfully performed a rare robotic heart surgery on a 23- year-old person at a hospital in the southern Indian city of Chennai, local media reported Saturday.Dr. R. Ravi Kumar, the Director of the Institute of Cardiovascular Disease at the Chettinad Health City, said the robotically assisted procedure involved replacing both the mitral and the aortal valve simultaneously.The surgery carried out on D. Vijayakanth, an auto driver from Vellore, was done by a three armed robot, took four hours and cost 225,000 rupees (4,500 U.S. dollars)."The best part about using a robot in cardiac surgery is that the patient's heart need not be opened and the surgery can be done using a small 4cm incision. This is not possible with normal surgeries without a robot," Dr Ravi Kumar was quoted by local daily The Times of India as saying.Robotic surgery, which is fairly new in the country, can be used for a gamut of medical procedures, said Dr Ravi Kumar."It requires a lot of precision and intense training because though the robotic hands do the surgery, it has to be controlled by a trained surgeon. One of the biggest disadvantages is the lack of sensory perception which is there when the surgeon actually does the surgery himself," he said.

BEIJING, Feb. 20 (Xinhua) -- China's railways handled 7.13 million passengers Saturday, setting a new one day record, the Ministry of Railways (MOR) said Sunday.The figure was 16 percent higher year on year, the MOR said.Chinese railways are witnessing a new wave of travel after the Lantern Festival celebration (the 15th day of the first month in the Lunar New Year) Thursday, which is considered a symbolic ending of the festival season.China's Spring Festival fell on Feb. 3 this year.The busy Spring Festival transportation season runs for 40 days and is calculated in two phases: 15 days before the Spring Festival and 25 days after the Spring Festival.

BEIJING, May 28 (Xinhua) -- The issue of third-party online payment permits in China this week will boost the sector's development through giving it a legal status, analysts said.The People's Bank of China (PBOC), or the central bank, on Thursday announced its first batch of electronic payment licenses to 27 qualified third-party online payment platforms, including Alipay, Tenpay and 99bill.It also stipulated that all the third-party payment businesses should obtain licenses before September, or cease doing business.The move has long been awaited after the central bank said in June last year that non-financial institution payment service would be regulated, and that all businesses involved in the service must get licenses before Sept. 1, 2011.The license covers payment transactions such as Internet payment, mobile phone payment, bank card acquiring service, issuance and accept of prepaid cards and currency exchange.The move provides a legal status for the third-party payment sector so that it can develop in a more standard and healthy way, said Zhang Meng, an analyst with Analysys International, an Internet market information provider.Third-party payment enterprises refer to those non-financial operators who work as the third party between buyers and sellers to provide payment settlement through Internet, telephones or mobile phones.China has the world's highest number of Internet users, with about 457 million netizens, among whom 148 million were active online shoppers as of the end of last year.China's online payment topped 1.09 trillion yuan (167.29 billion U.S. dollars) last year. The figure was 397.3 billion yuan in the first quarter this year, almost doubled year-on-year.99bill CEO Guan Guoguang called the issue of the third-party payment licenses "a milestone" for China's e-payment sector.Requiring that enterprises must be licensed to operate e-payment businesses will help standardize the sector, improve services and boost integration of e-payment and e-commerce, said Guan.The first group of e-payment license holders include Alipay.com Co. Ltd, a unit of Alibaba Group Holding which owns the country's largest e-commerce website Alibaba.com Co. Ltd.; China UMS, a unit of China UnionPay Co. Ltd; Tenpay.com, an e-payment platform developed by Chinese Internet giant Tencent Holdings and Shengfutong, launched by Shanda Interactive Entertainment.Five applicants, however, failed to get licenses.Businesses with licenses will attract more investment and high-end personnel, says iResearch analyst Cheng Shanbao.For those without a license, they will be merged or have to pull out of the sector, according to Yeepay CEO Tang Bin.The central bank selected enterprises that have good management and risk control systems, as well as profit prospects, Zhang Meng said.Mergers are inevitable as the cut-off date of Sept. 1 is approaching, he added.The third-party payment enterprises mainly profit from 1 to 4 percent fees, but analysts believe profits from the fees might be reduced due to fierce competition.