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Figure 6. Intelligent emergency command strategy for hydrogen leakage disaster management. (A) On-demand artificial hydrogen olfaction achieved through the use of combinatorial high-throughput screening approaches. Reproduced with permission: Copyright 2020, The Authors^[159]. (B) Design and schematic of the fabrication process for a low-power micro-sensing chip. Reproduced with permission: Copyright 2016, IOP Publishing Ltd.^[160]. (C) Smart monitoring terminals integration for real-time gas identification by deep learning algorithm. Reproduced with permission: Copyright 2019, The Authors^[162], and permission: Copyright 2019, The Authors^[170]. (D) A dynamic wireless sensing network, created by integrating both fixed and mobile safety sensing devices, where optimizing the network's matrix topology significantly enhances system robustness. Reproduced with permission: Copyright 2020, Elsevier B.V.^[167]. (E) Integrating and merging information from multi-source heterogeneous data, including collection, analysis, processing, and dissemination. (F) The dynamic IoT system, equipped with an early warning safety strategy, consolidates monitoring from hydrogen disaster sources and potential risk areas. It offers an intuitive interface for seamless human-computer interaction, facilitating emergency management and supporting decision-making processes. Reproduced with permission: Copyright 2017, Springer International Publishing Switzerland^[177].