本研究针对水轮机在变负荷工况下面临的空蚀破坏难题，系统开展了S135不锈钢及其四种涂层（HVOF-WC10Co4Cr、HVOF-Cr3C237WC18、HVAF-WC10Co4Cr、激光熔覆涂层）的空蚀失效机理研究。通过超声空蚀试验发现，激光熔覆涂层表现出最优异的抗空蚀性能，其质量损失仅为基材 ...

One Earth Energy, 202 N. Jordan Drive in Gibson City, is one of 13 ethanol production facilities in Illinois. Its management says a proposed carbon pipeline would allow One Earth to produce ...

Scientists have developed a new technique that doubles the amount of hydrogen produced when splitting water molecules with electricity. The method works by adding a simple organic molecule and a ...

A recent analysis finds up to 1,000 times more molecular oxygen than can be explained by prevailing theories about where it comes from. Eric Mack has been a CNET contributor since 2011. Eric and his ...

CHERY AUTO PHILIPPINES reported that the Chery Tiggo rEV (range extended electric vehicle) Luxury Edition (LE) recently recorded a “best-in-class fuel efficiency rating of 84.28 km/Lge (kilometers per ...

SAN FRANCISCO -- Starting high-flow oxygen right away for young children with acute hypoxemic respiratory failure didn't help them leave the hospital sooner than standard oxygen therapy, the PARIS-2 ...

Drivers could be paying more than they should for petrol and diesel after the UK's competition watchdog said fuel profit margins remain at "persistently high levels" despite prices at the pump having ...

Next to the original 5.56mm NATO/223, the 300 AAC Blackout (BLK for short) is the most popular chambering for the AR-15 platform, and, as a result, manufacturers now pump out a wide variety of 300 ...