NIR，即近红外光谱学（Near Infrared Spectroscopy），是一种用来分析物质成分的非破坏性光谱学技术，是一种基于光、电、机械一体化技术的快速检测手段。 近红外光谱技术(NIR)利用物质在近红外区域（780-2500纳米）的吸收特性实现物质含水量的高效分析；当红外光 ...

Israel’s leaders avoid visiting Kibbutz Nir Oz. Over 15 months after the October 7, 2023, massacre, this kibbutz on the border with Gaza remains a throbbing wound apparently too painful for them ...

KATHMANDU, Jan. 24 -- Trailblazing mountaineer Nims Purja has set his sights on an ambitious new project - completing the 14 Peaks for the third time, making him the first person to ever do so.

Nims Purja in a statement said the aim of the new record is to raise donations and sponsorship of £1,138,000 – this is the total elevation in ft of the completed hat trick of summits. These funds will ...

Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Key Lab of Modern Separation Science in Shaanxi Province, College of Chemistry and Materials Science, ...

Mountaineering can be as extreme as sport gets, but tackling perilous ridges in ‘the death zone’ is just another day at the office for these world-class athletes.

Ed Shanahan spent the last year reporting on Flaco for The New York Times. Here he discusses the owl’s thrilling life and tragic death—and why the story grabbed the attention of people everywhere.