资讯汇总24期：【科技周报】首个支持30种方言混说语音大模型亮相

Group 1: Technology Developments - The first voice recognition model supporting 30 dialects has been launched, capable of recognizing Cantonese, Shanghainese, Sichuanese, and Wenzhou dialects, making it the most comprehensive dialect recognition model in China[1] - The model utilizes a "distillation + expansion" joint training algorithm, achieving stable training of a model with 1 billion parameters and 80 layers[1] - A new type of wearable fabric has been developed that can help urban residents resist extreme heat, achieving a temperature reduction of 8.9°C compared to ordinary silk[46] Group 2: Scientific Breakthroughs - A breakthrough in direct synthesis of alkylamines from nitrogen and olefins has been achieved, utilizing trimeric titanium hydride under mild conditions[2] - Researchers have developed a high-efficiency red light perovskite LED with an external quantum efficiency of 28.7% at 638 nm, overcoming previous efficiency bottlenecks[3] - A new AI tool has identified rare coding variants in 17 genes related to coronary artery disease, providing insights into the disease's molecular basis[41] Group 3: Energy and Environmental Innovations - Research on underwater constant pressure compressed air energy storage technology has made significant progress, suitable for offshore energy security[8] - A new strategy for the reuse of halogenated organic pollutants has been proposed, contributing to environmental sustainability[54]