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LONDON Cheap Asics Onitsuka Tiger Mexico 66 White , May 3 (Xinhua) -- Growth continues in the British construction sector, although at a weak rate, according to data released on Wednesday.


The Purchasing Managers' Index (PMI) survey for April surprised on the upside, with the headline activity PMI posting its best reading so far in 2017, jumping by almost 1 point to 53.1 (above 50 indicates growth) over the March figure.


This is the second-highest level for 13 months and exceeded market expectations, as consensus view is expecting 52.


While commercial building activity remained subdued Cheap Asics Onitsuka Tiger Mexico 66 Footwear Gold , the survey reported renewed momentum in housing activity, and civil engineering output reportedly rose at the firmest pace since March 2016.


There was also a solid increase in new orders at the start of the second quarter, so firms continued to recruit new staff in the sector, with growth in employment being the strongest for nearly a year.


However, input prices remained close to the more-than-five-year high hit at the start of the year.


Commenting on the figures, Samuel Tombs Cheap Asics Onitsuka Tiger Mexico 66 Black Gold , chief UK economist at Pantheon Macroeconomics, a London-based financial data company, said this year could be tough for the construction sector.


""Commercial work likely will remain depressed by Brexit uncertainty, and labor shortages across the entire construction sector may become more acute as immigration from the EU declines. On balance, then, 2017 still looks set to be another tough year for the construction sector cheap nike air vapormax flyknit ,"" said Tombs.


However, there are some positive notes to be taken from the data.


Looking ahead, said Tombs, the recovery in civil engineering work will likely strengthen, given plans for a 6.7-percent increase in public sector investment this fiscal year (to April 2018).


But Tombs said the outlook for house building is mixed.


""It will be supported by further falls in mortgage rates, the continuation of the 'Help to Buy' equity loan scheme cheap nike air vapormax plus , and a dearth of existing homes being put up for sale, but undermined by the squeeze on real wages,"" he said.


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Mass rally held in Tokyo to protest Abe's constitutional change


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BEIJING, May 28 (Xinhua) -- Many black holes and neutron stars are thought to be hidden in the Milky Way. Since they don't emit visible light, or are covered by dust cheap nike hyperadapt 1.0 , only X-ray telescopes can find them.


China will soon launch its first X-ray space telescope, the Hard X-ray Modulation Telescope (HXMT), with the aim of surveying the Milky Way to observe celestial sources of X-rays.


"Our space telescope has unique capabilities to observe high-energy celestial bodies such as black holes and neutron stars. We hope to use it to resolve mysteries such as the evolution of black holes and the strong magnetic fields of neutron stars," says Zhang Shuangnan, lead scientist of HXMT and director of the Key Laboratory of Particle Astrophysics at the Chinese Academy of Sciences (CAS).


"We are looking forward to discovering new activities of black holes and studying the state of neutron stars under extreme gravity and density conditions, and the physical laws under extreme magnetic fields. These studies are expected to bring new breakthroughs in physics cheap nike hyperdunk x ," says Zhang.


Compared with X-ray astronomical satellites of other countries, HXMT has larger detection area, broader energy range and wider field of view. These give it advantages in observing black holes and neutron stars emitting bright X-rays, and it can more efficiently scan the galaxy, Zhang says.


The telescope will work on wide energy range from 1 to 250 keV, enabling it to complete many observation tasks previously requiring several satellites cheap nike exp x14 , according to Zhang.


Other satellites have already conducted sky surveys, and found many celestial sources of X-rays. However, the sources are often variable, and occasional intense flares can be missed in just one or two surveys, Zhang says.


New surveys can discover either new X-ray sources or new activities in known sources. So HXMT will repeatedly scan the Milky Way for active and variable celestial bodies emitting X-rays.


Zhang says other countries have launched about 10 X-ray satellites, but they have different advantages and therefore different observation focuses.


"There are so many black holes and neutron stars in the universe cheap onitsuka tiger mexico delegation , but we don't have a thorough understanding of any of them. So we need new satellites to observe more," Zhang says.


The study of black holes and neutron stars is often conducted through observing X-ray binary systems. The X-ray emissions of these binary systems are the result of the compact object (such as black hole or neutron star) accreting matter from a companion regular star.


By analyzing binary system X-ray radiation, astronomers can study compact objects such as black holes or neutrons stars.


How do the black holes or neutron stars accrete matter from companion stars? What causes X-ray flares? These are questions scientists want to answer, and China's new space telescope might help.


Lu Fangjun, chief designer of the payload of HXMT, says the space telescope will focus on the Galactic plane. If it finds any celestial body in a state of explosion cheap onitsuka tiger mexico mid runner , it will conduct high-precision pointed observation and joint multiband observation with other telescopes either in space or on the ground.


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