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LONDON air max thea womens sale ( , Dec. 18 (Xinhua) -- An international team of researchers has developed a sophisticated 3D imaging technique to track in real time how disposable Lithium batteries degrade during normal use, according to a study released Friday by the University College London (UCL).

The study follows calls from investigators in August 2015 for a safety review of all lithium battery-powered equipment on planes after a fire broke out on board a grounded Boeing 787 Dreamliner at Heathrow Airport in 2013.

The UCL-led team used cutting edge X-ray imaging techniques to track different types of wear and tear which cause performance loss and linked this wear to design features of the commercial battery.

The images formed cross-section time-lapse videos showing the damage occurring on the electrodes inside the battery in real time, according to the study.

"Electrical activity was high in some areas of the cell, whereas it was low in others; layers of electrode material separated and cracked. All of these changes in structure affect the flow of electricity and reduce the performance of the cell," said Donal Finegan from UCL, who worked on the study.

This could give a new way to non-invasively monitor performance loss and guide the development of more effective commercial battery designs.

"We effectively mapped the activity and strain on the material inside the battery which will help manufacturers predict how a particular battery will perform during operation and over time. We see this is a valuable tool for optimizing the material used in commercial batteries, which will improve their resilience air max thea uk sale ( ," Finegan also said.

WASHINGTON, May 28 (Xinhua) -- George Pataki, the former Republican governor who led the state of New York during the Sept. 11, 2001 attacks, announced Thursday that he was running for the 2016 presidential race.

"It's time! Join me in the fight to build a stronger America!" Pataki tweeted shortly before the announcement gathering in the New Hampshire town of Exeter, which claimed to be the birthplace of the Republican Party.

"To preserve and protect that freedom that this morning I announce that I am a candidate for the Republican nomination for president of the United States," Pataki said during a speech in Exeter. He also promised to "repeal oppressive laws like the ObamaCare."

He stressed the importance of unifying the country nike air zoom 90 it white ( , recalling how Americans worked together to overcome the trauma of the Sept. 11, 2001 attacks.

Pataki first announced his White House bid in a campaign video released Thursday morning. The Republican, who won the governorship three times in a heavily Democratic New York, served as governor from 1995 to 2006.

It marks the first White House bid for Pataki, the 69-years-old who supports conservation, same-sex marriage and gun control.

Pataki becomes the eighth to jump into the crowded ring of Republicans running for the White House, a day after former U.S. senator air max plus tn ultra uk ( , Rick Santorum, announced his presidential bid.

by John Kwoba

NAIROBI, Aug. 1 (Xinhua) -- Olympic 5,000m silver medalist Vivian Cheruiyot of Kenya has dropped her ambition to double up at the World Championships, which starts from August 22-30 in Beijing.

The 33-year-old instead will focus on the 10,000m race as she continues her rehabilitation on return from motherhood.

"I will only race in 10,000m cheap air max tn uk ( ," Cheruiyot said Saturday in Nairobi. "I' m not in the same fitness level I was in back in 2011 where I contested for the double in Daegu and won both 10,000m and 5,000m races," she said.

The diminutive athlete, however, confirmed that the 2016 Rio Olympics will be her last show on the track and she wants to shift gears to marathon.

"I still want that Olympic gold medal and Rio will be my last stop," she said. "I ran in Athens nike air max 97 womens rose gold ( , Beijing and London and it will be a big statement for me to compete in my fourth Olympics and go on to win."

Cheruiyot, however, has put her opponents on the notice that she will be going to Beijing to reclaim what she believes is hers, the gold medal in 10,000m race.

"I do not care who we will be running against in Beijing. The most important thing is for me to do my part and win gold. I know Tirunesh Dibaba, might not be there, but it will not be about her. This is the world championships and I will deliver the gold medal mens nike air max 97 uk ( ," she said.

Cheruiyot will team up with U.S.-based Betsy Saina in the 10,000m race and hopes it will be a sweep for Kenya.

TOKYO, May 8 (Xinhua) -- Tokyo stocks opened sharply higher Monday after pro-European Union centrist Emmanuel Macron won Sunday's French presidential election.

As of 9:15 a.m. local time the 225-issue Nikkei Stock Average gained 287.44 points, or 1.48 percent, from last Tuesday to 19,733.14, marking its highest intraday level since Dec. 18 air max 97 metallic gold for sale ( , 2015.

The broader Topix index of all First Section issues on the Tokyo Stock Exchange, meanwhile, added 22.83 points, or 1.47 percent, to 1,573.13.

All industry categories on the main section advanced, with mining air max 97 undefeated uk ( , insurance, and oil and coal product issues comprising those that gained the most in early trade.

Markets here were closed for three days from Wednesday for the Golden Week string of national holidays.

Feature: COSCO SHIPPING -- A name card of China in Greece on Maritime Silk Road

Projections show Macron elected French president

S. Korean presidential candidate Ahn Cheol-soo attends campaign in Seoul

Lives in Balizhuang Village of Zaoqiang County, north China

Aerial view of intertidal zone in E China's Jiangsu

Hefei-Hamburg, Hefei-Almaty freight trains run regularly

Jiaolong discovers collection of polymetallic nodules in South China Sea

China's 1st middle-to-low speed maglev rail line safely operates for 1 year

BERLIN, July 7 (Xinhua) -- Prote.