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千王之王重出江湖

China develops direct test for rareearth impurities_我的网站

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A | (ECNS) -- Chinese researchers have developed a method that can directly and precisely detect trace rare-earth impurities in high-purity rare-earth materials, overcoming a long-standing challenge caused by matrix interference, CCTV News reported Monday. The breakthrough, led by a key laboratory under the State Administration for Market Regulation at Jiangxi University of Science and Technology, uses inductively coupled plasma tandem mass spectrometry (ICP-MS/MS). The technique eliminates the need for matrix separation, offering higher sensitivity, accuracy and faster testing. The team has also made advances in sample pretreatment and instrument calibration. The technologies are already widely used by rare-earth producers and testing institutions to improve quality control and testing efficiency. 。 Beijing, Oct 22 (UNI) An earthquake with a magnitude of 5.0 occurred in the southwestern Chinese province of Sichuan on Saturday, the China Earthquake Networks Center (CENC) said.

The quake was recorded at 13:17 p.m. local time (05.17 GMT) in the Luding County of the Garze Tibetan Autonomous Prefecture. The epicenter of the earthquake was at a depth of 12 kilometers (7.4 miles).

There is no official information about casualties or any property damage.

Sichuan Province is one of the most seismic regions in China, where earthquakes occur regularly. In May 2008, the strongest earthquake in recent decades with magnitude 8 occurred there. At that time, 87,150 people died or went missing, 374,000 were injured and millions of people were left homeless. The economic damage exceeded 1 trillion yuan ($149.5 billion).

On September 5, Luding county was shook by an earthquake of a magnitude of 6.8, as a result of which more than 270 private houses and public buildings collapsed, more than 13,000 private houses were damaged, several settlements were left without electricity, infrastructure facilities were damaged, including the roadbed on several highways. At least 93 people died as a result of the earthquake.

UNI/SPUTNIK GNK。