Abstract: A wideband circularly polarized (CP) top-dielectric loaded quadrifilar epitaxial helix ceramic antenna (QEHCA) using 3D printing technology is presented in this letter. By leveraging the ...
Smarter obstacle avoidance takes DJI's beginner drone to new heights. The Neo 2 is a great way to learn to fly ...
Type IV secretion systems (T4SSs) comprise 12 protein components, VirB1–VirB11 and VirD4. VirB2 forms a pilus and is co-purified with VirB5. VirB4, VirB11 and VirD4 are ATPases powering pilus assembly ...
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