The grassland in the Hindu Kush Himalayan(HKH) region is one of the large st and most biodiverse mountain grassland types in the world,and its ecosystem service functions have profound impacts on the sustainable devel...The grassland in the Hindu Kush Himalayan(HKH) region is one of the large st and most biodiverse mountain grassland types in the world,and its ecosystem service functions have profound impacts on the sustainable development of the HKH region.Monitoring the spatiotemporal distribution of grassland aboveground biomass(AGB) accurately and quantifying its response to climate change are indispensable sources of information for sustainably managing grassland ecosystems in the HKH region.In this study,a pure vegetation index model(PVIM) was applied to estimate the long-term dynamics of grassland AGB in the HKH region during 2000-2018.We further quantified the response of grassland AGB to climate change(temperature and precipitation) by partial correlation and variance partitioning analyses and then compared their differences with elevation.Our results demonstrated that the grassland AGB predicted by the PVIM had a good linear relationship with the ground sampling data.The grassland AGB distribution pattern showed a decreasing trend from east to west across the HKH region except in the southern Himalayas.From 2000 to 2018,the mean AGB of the HKH region increased at a rate of 1.57 g/(m~2·yr) and ranged from 252.9(2000) to 307.8 g/m~2(2018).AGB had a positive correlation with precipitation in more than 80% of the grassland,and temperature was positively correlated with AGB in approximately half of the region.The change in grassland AGB was more responsive to the cumulative effect of annual precipitation,while it was more sensitive to the change in temperature in the growing season;in addition,the influence of climate varied at different elevations.Moreover,compared with that of temperature,the contribution of precipitation to grassland AGB change was greater in approximately 60% of the grassland,but the differences in the contribution for each climate factor were small between the two temporal scales at elevations over 2000 m.An accurate assessment of the temporal and spatial distributions of grassland AGB and the quantification of its response to climate change are of great significance for grassland management and sustainable development in the HKH region.展开更多
ZERO HUNGER has been recognized as a core sustainable development goal (UN 2015).To this end,efforts should be made to increase productivity and production,strengthen capacity for adaptation to climate change,extreme ...ZERO HUNGER has been recognized as a core sustainable development goal (UN 2015).To this end,efforts should be made to increase productivity and production,strengthen capacity for adaptation to climate change,extreme weather and disasters with sustainable food production systems and resilient agricultural practices,and promote food market information transparency to ensure the proper functioning of food commodity markets and to limit extreme food price volatility.展开更多
抗抑郁药治疗是抑郁症最主要的治疗方式。传统药物治疗模式下医生靠临床经验评估患者个体差异,缺乏客观参考指标。以药物基因组学检测(pharmacogenomics,PGx)和治疗药物监测(therapeutic drug monitoring,TDM)为代表的药学技术近年来在...抗抑郁药治疗是抑郁症最主要的治疗方式。传统药物治疗模式下医生靠临床经验评估患者个体差异,缺乏客观参考指标。以药物基因组学检测(pharmacogenomics,PGx)和治疗药物监测(therapeutic drug monitoring,TDM)为代表的药学技术近年来在临床广泛开展,可提供患者在遗传和代谢方面的个体差异信息,现已成为指导精神疾病个体化用药的重要手段。针对抗抑郁药,结合这2种药学技术指导个体化治疗的研究也逐渐增加。本文对抗抑郁药治疗中PGx和TDM相关循证依据、对药物疗效及不良反应的影响,以及PGx和TDM结合使用的影响因素进行回顾和综述,为优化抗抑郁药使用提供参考依据。展开更多
Conversion of industrial solid wastes into functional materials has attracted considerable interest,as it can reduce environmental pollution and facilitate the sustainable development of relevant processes.Herein,spen...Conversion of industrial solid wastes into functional materials has attracted considerable interest,as it can reduce environmental pollution and facilitate the sustainable development of relevant processes.Herein,spent methanol-to-olefins(MTO)industrial catalyst was explored for the synthesis of DNL-6 molecular sieve,a promising SAPO-type adsorbent for CO_(2) capture.It was demonstrated that DNL-6 with high purity and crystallinity,and various silica contents can be readily synthesized.Na-exchanged DNL-6 was further prepared using the as-synthesized DNL-6 as the precursor,and its structure was investigated by Rietveld refinement,revealing that Na cations were mainly located in the single 8-rings(S8Rs).Na-DNL-6 with varied silica contents and Na contents were investigated for adsorption studies.Na-DNL-6 with a high Na exchange degree exhibited comparable CO_(2) uptake with H-DNL-6(298 K and 101 kPa);but superior separation selectivity for CO_(2)/CH4(as high as 1369,50/50 kPa);CO_(2)/N_(2)(∞,15/85 kPa)owing to the“trapdoor”effect associated with the Na cations sited in the S8Rs.This work provides an eco-friendly approach for the synthesis of efficient silicoaluminophosphate adsorbent for CO_(2) capture.展开更多
基金Under the auspices of the Strategic Priority Research Program of the Chinese Academy of Sciences (No.XDA19030202)National Key Research and Development Program of China (No. 2020YFE0200800)+1 种基金International Cooperation and Exchange of National Natural Science Foundation of China (No. 31761143018)National Natural Science Foundation of China (No.42071344)。
文摘The grassland in the Hindu Kush Himalayan(HKH) region is one of the large st and most biodiverse mountain grassland types in the world,and its ecosystem service functions have profound impacts on the sustainable development of the HKH region.Monitoring the spatiotemporal distribution of grassland aboveground biomass(AGB) accurately and quantifying its response to climate change are indispensable sources of information for sustainably managing grassland ecosystems in the HKH region.In this study,a pure vegetation index model(PVIM) was applied to estimate the long-term dynamics of grassland AGB in the HKH region during 2000-2018.We further quantified the response of grassland AGB to climate change(temperature and precipitation) by partial correlation and variance partitioning analyses and then compared their differences with elevation.Our results demonstrated that the grassland AGB predicted by the PVIM had a good linear relationship with the ground sampling data.The grassland AGB distribution pattern showed a decreasing trend from east to west across the HKH region except in the southern Himalayas.From 2000 to 2018,the mean AGB of the HKH region increased at a rate of 1.57 g/(m~2·yr) and ranged from 252.9(2000) to 307.8 g/m~2(2018).AGB had a positive correlation with precipitation in more than 80% of the grassland,and temperature was positively correlated with AGB in approximately half of the region.The change in grassland AGB was more responsive to the cumulative effect of annual precipitation,while it was more sensitive to the change in temperature in the growing season;in addition,the influence of climate varied at different elevations.Moreover,compared with that of temperature,the contribution of precipitation to grassland AGB change was greater in approximately 60% of the grassland,but the differences in the contribution for each climate factor were small between the two temporal scales at elevations over 2000 m.An accurate assessment of the temporal and spatial distributions of grassland AGB and the quantification of its response to climate change are of great significance for grassland management and sustainable development in the HKH region.
基金the financial support from the Strategic Priority Research Program of the Chinese Academy of Sciences (Grant No. XDA19030201)National Natural Science Foundation of China (41561144013)International Partnership Program of Chinese Academy of Sciences (131C11KYSB20160061).
文摘ZERO HUNGER has been recognized as a core sustainable development goal (UN 2015).To this end,efforts should be made to increase productivity and production,strengthen capacity for adaptation to climate change,extreme weather and disasters with sustainable food production systems and resilient agricultural practices,and promote food market information transparency to ensure the proper functioning of food commodity markets and to limit extreme food price volatility.
文摘抗抑郁药治疗是抑郁症最主要的治疗方式。传统药物治疗模式下医生靠临床经验评估患者个体差异,缺乏客观参考指标。以药物基因组学检测(pharmacogenomics,PGx)和治疗药物监测(therapeutic drug monitoring,TDM)为代表的药学技术近年来在临床广泛开展,可提供患者在遗传和代谢方面的个体差异信息,现已成为指导精神疾病个体化用药的重要手段。针对抗抑郁药,结合这2种药学技术指导个体化治疗的研究也逐渐增加。本文对抗抑郁药治疗中PGx和TDM相关循证依据、对药物疗效及不良反应的影响,以及PGx和TDM结合使用的影响因素进行回顾和综述,为优化抗抑郁药使用提供参考依据。
基金supported by the National Natural Science Foundation of China(Nos.21991090,21991091,22171259,22272173)the AI S&T Program of Yulin Branch,Dalian National Laboratory for Clean Energy,CAS(No.DNL-YL A202206)The authors thank to the funding from the Sino-French IRN(International Research Network).
文摘Conversion of industrial solid wastes into functional materials has attracted considerable interest,as it can reduce environmental pollution and facilitate the sustainable development of relevant processes.Herein,spent methanol-to-olefins(MTO)industrial catalyst was explored for the synthesis of DNL-6 molecular sieve,a promising SAPO-type adsorbent for CO_(2) capture.It was demonstrated that DNL-6 with high purity and crystallinity,and various silica contents can be readily synthesized.Na-exchanged DNL-6 was further prepared using the as-synthesized DNL-6 as the precursor,and its structure was investigated by Rietveld refinement,revealing that Na cations were mainly located in the single 8-rings(S8Rs).Na-DNL-6 with varied silica contents and Na contents were investigated for adsorption studies.Na-DNL-6 with a high Na exchange degree exhibited comparable CO_(2) uptake with H-DNL-6(298 K and 101 kPa);but superior separation selectivity for CO_(2)/CH4(as high as 1369,50/50 kPa);CO_(2)/N_(2)(∞,15/85 kPa)owing to the“trapdoor”effect associated with the Na cations sited in the S8Rs.This work provides an eco-friendly approach for the synthesis of efficient silicoaluminophosphate adsorbent for CO_(2) capture.
