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Iridium (Ir) is an efficient catalyst for overall water splitting, yet its widespread utilization is hampered by the substantial cost and limited stability. Alloying Ir with heteroatoms can optimize the electronic structure of the catalyst and reduce the required amount of Ir. Compared to solid solution alloys, Ir‐based intermetallic compounds (IMCs) with ordered and stronger Ir‐heteroatom bonds exhibit...
Purpose
We aim to evaluate the efficacy of sacral foam dressings in preventing sacral pressure injury.
Methods
The PubMed, Embase and Web of Science databases were searched for relevant publications until October 2023. All studies evaluating the efficacy of sacral foam dressings in preventing sacral pressure injury were included. We calculated pooled risk ratio (RR) with 95% confidence intervals...
In the manufacturing process of power amplifier (PA), various defects on the circuit surface will seriously affect the circuit performance and its operation. To solve the above problems, this article proposes a circuit defect detection method based on improved patch‐based support vector data description algorithm (Patch SVDD), which uses contrastive learning to enhance the feature extraction ability...