Authors of breakthrough research sit down with the Physical Review Journals and registrants to discuss their research and answer live questions. Registration for each live event is free. …

2025年3月25日 · For more than 20 years, we have granted funds to nonprofits that serve in the areas of arts and culture, community development, education, environment or human services …

Explore APS’s analysis of strategic ballistic missile defense, assessing its feasibility, effectiveness, and security implications through scientific and policy perspectives. Read the …

Now more than 400 local stamp clubs in the U.S. and several other countries are APS Chapters. Membership dues for an APS Chapter are the same as for an individual member of the …

2025年3月16日 · Join the physics community in Anaheim, California, and virtually for talks on the latest research, networking events, special talks, and more.

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The APS Global Physics Summit is the largest physics research conference in the world, uniting 15,000 scientific community members across all disciplines of physics. Watch the 2025 event …

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2008年5月15日 · 本文探讨了在Oracle数据库中，相同SQL查询不同执行时间的问题，发现与CLOB字段的存储方式和大小有关。 当CLOB数据小于4000字节时，使用行内存储模式，提高 …

2013年7月1日 · 具体就是不可以将字段类型修改为：object、REF、nested table、VARRAY、 CLOB、BLOB。 解决方案也很简单就是像学数据结构时经常用到的两变量（a，b）交换值的 …