Effects of interstitial oxygen on <math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si74.svg" display="inline" id="d1e617" class="math"><mi>ω</mi></math> transformations and twin formation in bcc NbTaTiHf multi-principal element alloy from first-principles

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Reporting contributed by World Business Express

Tom Hanks, who played Lovell in the 1995 movie Apollo 13, called the astronaut one of those people "who dare, who dream, and who lead others to the places we would not go on our own".

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据 iF Design Award 2026 的获奖名单显示,联想或会推出一款名为 Tab Plus Gen 2 的巨型音箱平板。

本报北京2月25日电 (记者谷业凯)国家知识产权局数据显示:我国国内有效发明专利达532万件,成为世界上首个国内有效发明专利数量突破500万件的国家。“十四五”时期,我国国内有效发明专利数量持续增长,每万人口高价值发明专利拥有量达16件。截至2025年,我国发明专利申请量已连续多年位居全球第一,成为名副其实的专利大国。

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2019年起,台灣電子產業在全球最大電子消費品聯盟「責任商業聯盟」(Responsible Business Alliance, RBA)的壓力下,率先落實「移工零收費原則」。台積電、宏碁、台達電等電子巨頭要求合作的仲介不得向移工收費,費用由雇主承擔。。91视频对此有专业解读

Current X-ray lasers require facilities that are kilometres long. A cavity-based set-up about 66 metres in length has been developed that uses highly reflective mirrors to enable the generation of high-intensity pulses of narrow-band X-ray radiation. This promises to overcome the limitations of current X-ray lasers.