In order to deal with the increasingly serious environmental problems,it is important and necessary to lower the concentration of greenhouse gases,especially the CO_(2)gas.CO_(2)capture and storage are the relative su...In order to deal with the increasingly serious environmental problems,it is important and necessary to lower the concentration of greenhouse gases,especially the CO_(2)gas.CO_(2)capture and storage are the relative suitable options for the reduction of these harmful gas concentration.Through the variation of mass ratio of KOH to bio-char,the as prepared active carbon PC-4 exhibits a higher specific surface area of 2491.57 cm^(3)·g^(−1),with the ultra-micropores of 0.5 and 1.2 nm.At 298 K/1 bar,the CO_(2)adsorption capacity of PC-4 also represents the highest value of 5.81 mmol/g.This work demonstrates that the both the pore size and the specific surface area are equally important to enhance the CO_(2)adsorption.This work provides a sustainable method to develop high efficiency waste-based adsorbents to deal with environmental issues of CO_(2)gas.展开更多
目的探究双额叶脑挫裂伤治疗中持续颅内压监测的应用价值。方法回顾性分析96例2020年1月至2022年10月本院收治双额叶脑挫裂伤患者临床资料,其中48例接受持续颅内压监测表示为监测组,48例未接受持续颅内压监测表示为非监测组,通过临床指...目的探究双额叶脑挫裂伤治疗中持续颅内压监测的应用价值。方法回顾性分析96例2020年1月至2022年10月本院收治双额叶脑挫裂伤患者临床资料,其中48例接受持续颅内压监测表示为监测组,48例未接受持续颅内压监测表示为非监测组,通过临床指标、预后情况、并发症等统计分析评价持续颅内压监测效果。结果监测组颅脑CT扫描次数、电解质紊乱发生率、住院时间、格拉斯昏迷评分量表(GCS)评分、恢复良好率、并发症总发生率均优于非监测组(P<0.05);监测组开颅清除血肿率14.58%,略高于非监测组8.33%(χ^(2)=0.924,P>0.05);监测组颅内压>60 mm Hg 8例,颅内压41~60 mm Hg 18例,颅内压≤40 mm Hg 22例,恢复良好率分别为12.50%、38.89%、72.73%,并发症发生率分别为25.00%、5.56%、0,差异显著(χ^(2)=9.934、6.281,P<0.05)。结论双额叶脑挫裂伤治疗过程中为患者行持续颅内压监测干预,可在一定程度上减少颅脑CT扫描次数,为患者治疗方案改善提供指导,减少患者电解质紊乱与其他并发症发生率,改善患者预后,更好保障患者健康与安全。展开更多
基金the National Natural Science Foundation of China(NSFC)(Nos.12205100 and 11665017)the Key Scientific Research Project in Colleges and Universities of Henan Province,China(No.23B140002)the Key Project of College Students'Innovation and Entrepreneurship Training Program 2022 of North China University of Water Resources and Electric Power(No.2022XA050)。
文摘In order to deal with the increasingly serious environmental problems,it is important and necessary to lower the concentration of greenhouse gases,especially the CO_(2)gas.CO_(2)capture and storage are the relative suitable options for the reduction of these harmful gas concentration.Through the variation of mass ratio of KOH to bio-char,the as prepared active carbon PC-4 exhibits a higher specific surface area of 2491.57 cm^(3)·g^(−1),with the ultra-micropores of 0.5 and 1.2 nm.At 298 K/1 bar,the CO_(2)adsorption capacity of PC-4 also represents the highest value of 5.81 mmol/g.This work demonstrates that the both the pore size and the specific surface area are equally important to enhance the CO_(2)adsorption.This work provides a sustainable method to develop high efficiency waste-based adsorbents to deal with environmental issues of CO_(2)gas.
文摘目的探究双额叶脑挫裂伤治疗中持续颅内压监测的应用价值。方法回顾性分析96例2020年1月至2022年10月本院收治双额叶脑挫裂伤患者临床资料,其中48例接受持续颅内压监测表示为监测组,48例未接受持续颅内压监测表示为非监测组,通过临床指标、预后情况、并发症等统计分析评价持续颅内压监测效果。结果监测组颅脑CT扫描次数、电解质紊乱发生率、住院时间、格拉斯昏迷评分量表(GCS)评分、恢复良好率、并发症总发生率均优于非监测组(P<0.05);监测组开颅清除血肿率14.58%,略高于非监测组8.33%(χ^(2)=0.924,P>0.05);监测组颅内压>60 mm Hg 8例,颅内压41~60 mm Hg 18例,颅内压≤40 mm Hg 22例,恢复良好率分别为12.50%、38.89%、72.73%,并发症发生率分别为25.00%、5.56%、0,差异显著(χ^(2)=9.934、6.281,P<0.05)。结论双额叶脑挫裂伤治疗过程中为患者行持续颅内压监测干预,可在一定程度上减少颅脑CT扫描次数,为患者治疗方案改善提供指导,减少患者电解质紊乱与其他并发症发生率,改善患者预后,更好保障患者健康与安全。
