The design of the medals of Chengdu 2025 World Games has been unveiled on June 19, 2025. (Photo courtesy of IWGA) CHENGDU, ...

每年随着影响因子的正式发布，JCR还会一同发布镇压期刊名单。当期刊被镇压后，当年就不会获得IF，原因主要在于过高的堆叠引用、自引等。相对上一年（2023 JCR，17本期刊被镇压），本年被镇压的期刊 增加了3本 。

BEIJING, June 19 (Xinhua) -- Chinese police seized 45.2 tonnes of illegal drugs from January 2024 to May 2025, the Office of China National Narcotics Control Commission announced on Thursday.

As of the end of May, China had 710,000 registered illegal drug users. In 2024, police identified 193,000 individuals involved in drug use, with 59,000 newly recorded between January and May of this ...

硒是个好东西，科学家研究发现，长寿老人体内硒含量都比普通人高。我国好多长寿村，土地里硒多，种出来的菜和粮食也富含硒。当地人天天吃这些，身体硬朗，精神头足。硒能抗氧化，保护细胞，延缓衰老速度，特别适合四十岁以上的人多补补。