For Audi A4L owners, regular oil changes are the core element in ensuring the healthy operation of the engine. However, with the plethora of oil types available in the market, how to choose the right ...
3don MSN
Beneath 300 kilometers: Scientists find first natural evidence of nickel-rich alloys deep in mantle
Earth's mantle is a restless, enigmatic engine that powers volcanism, recycles crust, and regulates the long-term evolution ...
Abstract: We proposed a synthesis method to design thinned leaky-wave-based arrays. The array elements are small waveguide apertures opened on a ground plane. A superstrate (impedance sheet, ...
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