为解决延迟愈合或不愈合情况下骨愈合潜力评估的难题，研究人员开展了 “[18 F] NaF PET/CT 评估骨科创伤手术中骨愈合能力的可行性研究”。结果显示该技术有助于判断骨愈合潜力，减少不必要手术，挑战了传统不愈合定义。 在骨科创伤领域，骨折是极为常见的 ...

Some NATO countries are considering alternatives to the F-35 stealth fighter jet. The Trump administration's shifted stance towards Europe has allies concerned about reliability. Lockheed's ...

Trump himself spoke and hovering behind him during the U.F.C. match in Miami. Mr. Patel, 44, seems to relish his new status as director, cutting a highly visible path while running the most ...

By Mara Hvistendahl F.B.I. agents stationed overseas had sex with prostitutes in Cambodia, the Philippines and Thailand, even as some bureau employees attended training meant to combat human ...

His outlined plans aim to reclassify around 50,000 federal employees, around 2 percent of the federal workforce, under Schedule F, a classification Trump created in 2020 during his first ...

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Christopher F. Rufo is a senior fellow and director of the initiative on critical race theory at the Manhattan Institute. He is also a contributing editor of City Journal, where his writing explores a ...

We sell different types of products and services to both investment professionals and individual investors. These products and services are usually sold through license agreements or subscriptions ...

The Navy's planned sixth-generation F/A-XX fighter will be the successor to its F/A-18 Super Hornet, shown here on the flight deck of the aircraft carrier Theodore Roosevelt in the Middle East on ...