Copper/silver-containing chalcogenides have recently attracted significant interest for their promising thermoelectric applications.In this article,we report the syntheses of five new layered quaternary Cu/Ag-containi...Copper/silver-containing chalcogenides have recently attracted significant interest for their promising thermoelectric applications.In this article,we report the syntheses of five new layered quaternary Cu/Ag-containing chalcogenides:SrScCuSe_(3),SrScCuTe_(3),BaScCuSe_(3),BaScCuTe_(3),and BaScAgTe_(3).The single-crystal X-ray diffraction studies show that all the Cu-containing compounds are isostructural and crystallize in the orthorhombic crystal system in the Cmcm space group.Interestingly,the crystal structure of isoelectronic BaScAgTe_(3)does not adopt the same structure type as observed for AkScCuQ_(3)(Ak=Sr/Ba;Q=Se/Te).展开更多
经过几十年的忽视,印度政府终于在2008年启动了一项全国健康保险计划,用于减轻无法承担医疗费用人口的医疗负担。2018年,印度政府又启动了另一个国家项目,以进一步扩大保险的覆盖面。这些项目设想通过建立一个强大的医疗保险单一付款人...经过几十年的忽视,印度政府终于在2008年启动了一项全国健康保险计划,用于减轻无法承担医疗费用人口的医疗负担。2018年,印度政府又启动了另一个国家项目,以进一步扩大保险的覆盖面。这些项目设想通过建立一个强大的医疗保险单一付款人制度,惠及约1.1亿个家庭。本研究运用吴等人(Wu et al.)开发的政策能力框架,来分析卫生部门为实现预期目标所需的能力类型,研究主要目的在于评估政府实施这些项目的实际能力。研究发现政府在运行上述项目时确实存在关键的能力不足,特别是在运营方面。研究结论适用于目前正在实施类似医疗保障预付政策改革的其他中等收入国家。展开更多
基金financial support under the early career research(ECR)award(Grant number:ECR/2017/000822)IIT Hyderabad for seed grant and research facilities.MI and SJ thank DST India and MOE,IIT Hyderabad for the research fellowships.The authors also gratefully acknowledge DST-FIST(SR/FST/ETI-421/2016)for the SEM-EDS facilityDST-FIST(SR/FST/PSI-215/2016)for com-putational resources used in this work.The authors thank Gopabandhu Panigrahi(Dept.of Chemistry,IIT Hyderabad)for helping in the preparation of samples for SEM and EDS studies.
文摘Copper/silver-containing chalcogenides have recently attracted significant interest for their promising thermoelectric applications.In this article,we report the syntheses of five new layered quaternary Cu/Ag-containing chalcogenides:SrScCuSe_(3),SrScCuTe_(3),BaScCuSe_(3),BaScCuTe_(3),and BaScAgTe_(3).The single-crystal X-ray diffraction studies show that all the Cu-containing compounds are isostructural and crystallize in the orthorhombic crystal system in the Cmcm space group.Interestingly,the crystal structure of isoelectronic BaScAgTe_(3)does not adopt the same structure type as observed for AkScCuQ_(3)(Ak=Sr/Ba;Q=Se/Te).
文摘经过几十年的忽视,印度政府终于在2008年启动了一项全国健康保险计划,用于减轻无法承担医疗费用人口的医疗负担。2018年,印度政府又启动了另一个国家项目,以进一步扩大保险的覆盖面。这些项目设想通过建立一个强大的医疗保险单一付款人制度,惠及约1.1亿个家庭。本研究运用吴等人(Wu et al.)开发的政策能力框架,来分析卫生部门为实现预期目标所需的能力类型,研究主要目的在于评估政府实施这些项目的实际能力。研究发现政府在运行上述项目时确实存在关键的能力不足,特别是在运营方面。研究结论适用于目前正在实施类似医疗保障预付政策改革的其他中等收入国家。
