SciELO

Research progress in the application of stable isotope and mineral element analysis in tracing the geographical origin of Chinese medicinal materials

The Geographical Origin of Chinese medicinal materials plays an important role in guaranteeing the authenticity of Chinese medicinal materials, ensuring the quality and efficacy of Chinese medicinal ...
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The rarest element on Earth is almost impossible to find

The periodic table contains elements that range from incredibly common to almost impossible to find. Some exist only in tiny traces or appear for mere moments before disappearing. The rarest elements ...
IEEE

Characteristic Mode-Inspired Advanced Multiple Antennas: Intuitive insight into element-, interelement-, and array levels of compact large arrays and metantennas

Abstract: This article, as part of the special issue on characteristic modes (CMs), updates the recent progress in developing advanced multiple antenna systems based on CM analysis (CMA). The multiple ...
IEEE

Finding failed element positions in linear antenna arrays using neural networks

Abstract: In this paper a method using artificial neural networks (ANN) has been developed to identify the fault elements in linear array antennas. The ANN forms a mapping between the radiation ...