Established by Congress in 2000, NNSA is a semi-autonomous agency within the U.S. Department of Energy that protects our nation by designing and delivering a safe, secure, …

3 天之前 · For more than 50 years, NASA satellites have provided data on Earth's land, water, air, temperature, and climate. NASA's Earth Information Center allows visitors to see how our …

Environment, Safety, and Health (NA-ESH) The office provides corporate safety and health programs, responsive and efficient packaging and transportation, nuclear materials integration, …

NNSA's leaders drive its critical missions across disciplines and at sites around the nation. The organization chart for NNSA can be found here. Leadership of the National Nuclear Security …

The National Nuclear Security Administration (NNSA) is a United States federal agency responsible for safeguarding national security through the military application of nuclear science.

Noradrenergic and specific serotonergic antidepressants (NaSSAs) are a class of psychiatric drugs used primarily as antidepressants. [1] . They act by antagonizing the α 2 -adrenergic …

2022年1月2日 · Monoamine oxidase inhibitors (MAOIs) antidepressants work by blocking an enzyme called monoamine oxidase. This enzyme is responsible for breaking down the …

2008年1月17日 · The Line Oversight and Contractor Assurance System (LOCAS) is the National Nuclear Security Administration (NSSA) management system that drives mission performance …

3 天之前 · NASA live: Follow live television broadcasts on NASA+, the agency's streaming service, and NASA's social media channels with this schedule of upcoming live events …

OSPF NSSA区域（Not-So-Stubby Area）是在原始OSPF协议标准中新增的一类特殊区域类型。 NSSA区域和Stub区域有许多相似的地方。 两者的差别在于，NSSA区域能够将自治域外部路 …