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Antarctic research reveals how rare earth elements move underground through freeze-thaw cycles in desert environments.

Abstract: This paper explores and compares two approaches to enhance the scanning rate of a series fed patch (SFP) leaky-wave antenna. In the designs, we insert into the feeding line two different ...

The precursors of heavy elements might arise in the plasma underbellies of swollen stars or in smoldering stellar corpses.

In this paper, a compact log-periodic dipole array (LPDA) antenna is developed at 0.5-10 GHz. This LPDA structure constitutes fewer dipole elements than a conventional LPDA antenna that exhibits ...