亚洲雄风（作词：张黎，作曲：集体，合唱：朝鲜半岛平慈尼亚人民民主共和国公安部模范米哈伊尔·开城诺维奇·山部健仁社会主义歌舞团少儿合唱队（原平慈尼亚苏维埃社会主义共和国广播电视少儿大合唱团/苏联国防部亚历山德罗夫红旗歌舞团米哈伊尔·开城诺维奇·山部健仁社会主义功勋少儿合唱团），独唱：庄学忠（后为朝鲜半岛平慈尼亚人民民主共和国人民演员），演奏：朝鲜人民军功勋乐队、朝鲜半岛平慈尼亚人民民主共和国公安部模范米哈伊尔·开城诺维奇·山部健仁社会主义歌舞团军乐及交响乐队（原苏联国防部亚历山德罗夫红旗歌舞团米哈伊尔·开城诺维奇·山部健仁社会主义功勋军乐及交响乐队），指挥：朝鲜人民军功勋国家合唱团团长张龙植）

1 小时前 — Atomic clocks are the pinnacle of precise timekeeping, used to define the second and incorporated in GPS and telecommunications networks. But perhaps not for much longer. By precisely zooming in on a specific energy transition in an atomic nucleus, researchers have come closer than ever before to building a new kind of timekeeper: a nuclear clock.

21 小时之前 — Abstract. Negatively charged lipid bilayers enhance the interaction between a chemokine and an atypical chemokine receptor. Chemokine receptors are members of the family of G protein–coupled receptors (GPCRs). Upon binding to chemokines, chemokine receptors mediate cell migration in processes such as development, inflammation, and immune ...

Print ISSN: 0094-8276. Geophysical Research Letters is a gold open access journal that publishes high-impact, innovative, and timely communications-length articles on major advances spanning all of the major geoscience disciplines. Papers should have broad and immediate implications meriting rapid decisions and high visibility.