• Optimizing Peer Distribution of Syphilis Self-Testing Among Men Who Have Sex with Men in China: A Multi-City Pragmatic Randomized Controlled Trial

• Opportunistic maintenance strategy optimization considering imperfect maintenance under hybrid unit-level maintenance strategy

• Optimal examined lymph node count in node-negative colon cancer should be determined

• Optimization of limonin invertase production by scaling up Aspergillus tubingensis UA13 fermentation to a 5-l scale

• Optimal design of a rotor sleeve for a surface-mounted high-speed permanent-magnet motor with a multi-dimensional visualization strategy

• Optimized Dispatch of Regional Integrated Energy System Considering Wind Power Consumption in Low-Temperature Environment

• Optimized design and key performance factors of a gas circulation filtration system in a metal 3D printer

• Optothermally Programmable Liquids with Spatiotemporal Precision and Functional Complexity

• Optimization method of power grid material warehousing and allocation based on multi-level storage system and reinforcement learning

• Optimization and Mechanism of Cadmium Removal Using Biochar Obtained from Wetland Emergent Plant Zizania caduciflora

• Optimum selection of temperature control measures for combined intake tower in alpine region during construction period

• Operation State Evaluation of Miter Gate Based on On-Line Monitoring and Finite Element Analysis

• Optimal Coordinated Frequency Regulation of Renewable Energy Systems via an Equilibrium Optimizer

• Opportunities and challenges of glioma organoids

• Opportunistic Hybrid Routing Protocol for Acoustic-Radio Cooperative Networks