• Uncertainty and parameter ranking analysis on summer thermal characteristics of the hydronic thermal barrier for low-energy buildings

• Uncertain and biased facial expression recognition based on depthwise separable convolutional neural network with embedded attention mechanism

• Unsteady seepage behavior of lubricant on loaded porous surface

• Unveiling malic acid biorefinery: Comprehensive insights into feedstocks, microbial strains, and metabolic pathways

• Unravelling diagnostic clusters and immune landscapes of disulfidptosis patterns in gastric cancer through bioinformatic assay

• Unitary groups and augmented Cuntz semigroups of separable simple Z-Stable C*-algebras

• Unexpected increase of PAH toxicity in ambient particulate matter under the implementation of clean air action: evidence from two megacities in northern China

• Understanding Competitive Phosphate and Silicate Adsorption on Goethite by Connecting Batch Experiments with Density Functional Theory Calculations

• Unraveling the influence of non-fullerene acceptor molecular packing on photovoltaic performance of organic solar cells

• Unlocking the response of lignin structure by depolymerization process improved lignin-based carbon nanofibers preparation and mechanical strength