• Health & Regulation: WHO sets 82 ppb as the 1-hour NO 2 exposure limit. The new sensor reliably quantifies 10 ppb—an order of magnitude lower—enabling early indoor/outdoor pollution alerts. • Energy ...
The heteroatom atomically doping strategy was reported to construct highly efficient sites on metal oxides for the detection of low-concentration gas. The atomically dispersed Sn atoms were ...
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