Earth's oxygen boom: How nickel and urea in early oceans shaped microbial life and set the stage

The appearance of oxygen in Earth's atmosphere was a turning point in the history of our planet, forever transforming the ...
IEEE

Reducing the Number of Elements in the Synthesis of a Broadband Linear Array With Multiple Simultaneous Frequency-Invariant Beam Patterns

Abstract: The problem of reducing the number of elements in a broadband linear array with multiple simultaneous crossover frequency-invariant (FI) patterns is considered. Different from the single FI ...
IEEE

Fabrication of Ferrite-Coated Magnetic Fe–Mn–Si–Cr–Ni Alloy Utilizing Selective Oxidation of Mn Element

Abstract: The development of magnetic properties extends application fields of Fe-Mn-Si-based shape memory alloys (SMAs) into the field of electromagnetic sensors and actuators. In the previous ...