By means of the energy level formula E(p)=α+2βcos(pπ/(n+t+1)). the pseudo π ionization potentials of H-(CH_2)_n-X (X=H, F, Cl, Br, I, OH, and SH) are identified by optimizing linear regression analysis, from which...By means of the energy level formula E(p)=α+2βcos(pπ/(n+t+1)). the pseudo π ionization potentials of H-(CH_2)_n-X (X=H, F, Cl, Br, I, OH, and SH) are identified by optimizing linear regression analysis, from which α=13.54±0.50eV and β=1.75±0.13eV are obtained.展开更多
为提升同步数字体系(synchronous digital hierarchy,SDH)设备的运行管理水平和运行安全稳定性,对SDH设备资源故障分析方法进行研究,提出SDH设备资源N-1和N-X故障分析方法,实现对设备运维和网络优化工作的事前预测分析,为SDH设备运维和...为提升同步数字体系(synchronous digital hierarchy,SDH)设备的运行管理水平和运行安全稳定性,对SDH设备资源故障分析方法进行研究,提出SDH设备资源N-1和N-X故障分析方法,实现对设备运维和网络优化工作的事前预测分析,为SDH设备运维和改造方案、网络优化方案编制提供有效思路,提高方案的合理性。展开更多
Parametric Polynomial Method is used to analyze the three dimensional viscous flow through multistage turbomachines. Three high pressure stages in a 20MW steam turbine are calculated at design flow rate and small llow...Parametric Polynomial Method is used to analyze the three dimensional viscous flow through multistage turbomachines. Three high pressure stages in a 20MW steam turbine are calculated at design flow rate and small llow rate (G/G0 = 0.3). Large separated flow is predicted in the passage at small flow rate. The result shows that the upstream flow has a conspicuous effect on the downstream flow, so the multbetage fiow calculating is展开更多
针对工程管理碎片化痛点,构建“1+N+X”架构的数字化平台。集成建筑信息模型(building information modeling,BIM)、物联网(internet of things,IoT)、人工智能(artificial intelligence,AI)技术,贯通旁站管理、危大工程管控等全流程业...针对工程管理碎片化痛点,构建“1+N+X”架构的数字化平台。集成建筑信息模型(building information modeling,BIM)、物联网(internet of things,IoT)、人工智能(artificial intelligence,AI)技术,贯通旁站管理、危大工程管控等全流程业务闭环,实现信创适配与智能工具协同。依托标准化实施流程、风险应对策略及组织保障,推动技术与业务深度融合。该平台通过数据驱动重塑管理逻辑,压缩旁站周期79%、提升危大工程辨识准确率30个百分点,为工程建设领域数字化转型提供了可复制的实践范式。展开更多
文摘By means of the energy level formula E(p)=α+2βcos(pπ/(n+t+1)). the pseudo π ionization potentials of H-(CH_2)_n-X (X=H, F, Cl, Br, I, OH, and SH) are identified by optimizing linear regression analysis, from which α=13.54±0.50eV and β=1.75±0.13eV are obtained.
文摘为提升同步数字体系(synchronous digital hierarchy,SDH)设备的运行管理水平和运行安全稳定性,对SDH设备资源故障分析方法进行研究,提出SDH设备资源N-1和N-X故障分析方法,实现对设备运维和网络优化工作的事前预测分析,为SDH设备运维和改造方案、网络优化方案编制提供有效思路,提高方案的合理性。
文摘Parametric Polynomial Method is used to analyze the three dimensional viscous flow through multistage turbomachines. Three high pressure stages in a 20MW steam turbine are calculated at design flow rate and small llow rate (G/G0 = 0.3). Large separated flow is predicted in the passage at small flow rate. The result shows that the upstream flow has a conspicuous effect on the downstream flow, so the multbetage fiow calculating is
文摘针对工程管理碎片化痛点,构建“1+N+X”架构的数字化平台。集成建筑信息模型(building information modeling,BIM)、物联网(internet of things,IoT)、人工智能(artificial intelligence,AI)技术,贯通旁站管理、危大工程管控等全流程业务闭环,实现信创适配与智能工具协同。依托标准化实施流程、风险应对策略及组织保障,推动技术与业务深度融合。该平台通过数据驱动重塑管理逻辑,压缩旁站周期79%、提升危大工程辨识准确率30个百分点,为工程建设领域数字化转型提供了可复制的实践范式。