资讯

One way to enhance lesion detectability in small animal positron emission tomography (PET) would be to improve the coincidence time resolution (CTR) significantly relative to the current state of the ...
We first give algebraic conditions for detectability, and isolability of arbitrary parameter perturbations for a lumped plant and then derive graph-theoretical necessary and sufficient conditions for ...
Despite trace amounts of ARV drugs detected in South Africa's rivers, the Department of Water and Sanitation assures the public that drinking water remains safe.
The search for habitable exoplanets is a key priority and sits at the pinnacle of exoplanet science. The science community ...
A sustainment formation moves cautiously through contested terrain. It is carrying fuel, ammunition, and essential supplies ...
The 2025 Florida Python Challenge, a competition to remove invasive Burmese pythons, runs from July 11 to 20. Ahead of the ...
The Russian Typhoon-class SSBN (Project 941 "Akula") is the largest nuclear-powered ballistic missile submarine ever built. Designed during the Cold War to counter the U.S. Navy’s Ohio-class SSBNs, it ...
Celebrate the Fourth with the Fireworks Galaxy, then check out the Demon Star Algol and the Full Buck Moon in the sky this week.