加法变乘法，长三角一体化发展跃上新台阶

Core Insights - The article discusses the collaborative innovation and development strategy in the Yangtze River Delta region, emphasizing the importance of regional integration and technological advancement [9][12][16] Group 1: Policy and Strategic Initiatives - The "Decision on Promoting Collaborative Technological Innovation in the Yangtze River Delta" was passed by the local legislative bodies, set to take effect on September 1, 2025, aiming to enhance regional innovation capabilities [9] - The decision highlights principles such as strategic collaboration, shared outcomes, and the importance of Shanghai as a leading international technology innovation center [9][12] - The Yangtze River Delta's economic contribution reached 24.8% of the national total by mid-2025, showcasing the success of the integration strategy since its elevation to a national priority in 2018 [9] Group 2: Technological Advancements - Shanghai Chemical Research Institute developed the world's first carbon-13 isotope multi-stage low-temperature distillation technology, breaking foreign monopolies and achieving stable production of over 99% purity carbon-13 [11] - The "Yangtze River Delta Isotope Technology Innovation Alliance" was established to foster collaboration in the biomedicine sector, enhancing the region's innovation capabilities [12] Group 3: Infrastructure and Resource Sharing - The establishment of the first cross-provincial high-tech zone in the Yangtze River Delta, covering 49.16 square kilometers, aims to support regional industrial development through a "funding + fund" model [13] - The region has accumulated 28 major research facilities and over 50,000 large scientific instruments, promoting resource sharing and reducing innovation costs [15] - The introduction of the Yangtze River Delta Technology Innovation Voucher has facilitated over 5,000 enterprises in key sectors to access support, with a total service amount exceeding 550 million yuan [15]