相控一维 (1D) RAHs 是通过简单的电离热过程合成的。 在离子热过程中，RAHs 在分子结构、形态和材料相方面根据 RTIL 的浓度进行了分级转换。

2025年2月7日 · With some of the ash slabs dried and ready to use, students are crafting epoxy pour tables, highlighting the wood’s unique twists, turns, and intricate grain patterns. And this is just the beginning. The RAHS wood shop, ablaze with creativity, showcases Davies and his students exploring new ways to turn wood waste into something extraordinary.

2014年8月7日 · 新加坡公务员通过RAHS设置情景和分析大数据，他们能做的不仅仅是提前发现炸弹和窃听。 他们用这一项目来计划政府采购周期和预算，预测经济走势，制定移民政策，研究房地产市场以及为新加坡的孩子制定教育计划。

To this end, a coherent and systematic Risk Assessment and Horizon Scanning (RAHS) framework was initiated. This framework combines complementary approaches to help detect weak signals of major-turning events that could have a serious impact on Singapore. The RAHS framework is also rooted in a strategic review that Singapore completed in mid 2004.

In Singapore, we have embarked on a Risk Assessment and Horizon Scanning (RAHS) Initiative, to provide conceptual, theory and technology enablers to help analysts make sense of the vast amount of available data for early warning.

新加坡把John Poindexter请来当顾问，迅速开发了RAHS系统（RAHS—Risk Assessment and Horizon Scanning，风险评估与水平扫描系统），在SARS疫情防控和反恐预警上取得了满意效果。 新加坡尝到甜头，于是越搞越大。

We are discovering new applications of RAHS in domains as diverse as education, where the Ministry of Education is using RAHS tools to investigate the effectiveness of teaching and learning, and tourism, where the Singapore Tourism Board is using RAHS to explore tourism scenarios for 2025.

2017年6月21日 · 第一，建立风险评估与扫描系统（RAHS）。 SARS病毒退场后几个月，新加坡国防部利用美国的全景扫描系统（TotalInformation Awareness，TIA）思路进行了一次演练预测疫情，结果发现系统可以帮助新加坡在病毒抵岸前两个月便捕捉到疫情暴发迹象。

Reinforcement detailing of a slab is done based on its support conditions. Slab may be supported on walls or beams or columns. Slab supported directly by columns are called flat slab. Slab supported on two sides and bending takes place predominantly ...

2019年9月30日 · RAHS is a steel-frame building constructed on a structural slab resting on concrete piers embedded in poor soils subject to liquefaction. The durable systems were chosen for longevity, adaptability and first cost.