Two distinct lignocellulosic fractions(rind and core)can be obtained through a physical separation of sugarcane stalks.Although presenting differences in morphology,both fractions can be employed to produce pulps and ...Two distinct lignocellulosic fractions(rind and core)can be obtained through a physical separation of sugarcane stalks.Although presenting differences in morphology,both fractions can be employed to produce pulps and papers.The pulps and paper sheets produced from the core and rind fractions were characterized by their chemical composition,physical properties and mechanical properties.The pulps obtained from the core presented a higher amount of fines,lower drainage ability and rendered denser and stiffer sheets.The pulps from the rind,which have a higher content of fibers and higher degree of polymerization,produced sheets with higher air permeability and water absorption.Both paper sheets presented mechanical and physical properties comparable to commercial papers and papers from different cellulosic sources.The different properties exhibited by the papers produced from each fraction allow their use for distinct purposes,and expands the opportunities in the context of sugarcane biorefinery.展开更多
Objective:To review and analyze the basic information and distribution of core articles in the global research frontier of nursing,so as to ascertain the current trend in the field.Methods:A total of 37 highly cited e...Objective:To review and analyze the basic information and distribution of core articles in the global research frontier of nursing,so as to ascertain the current trend in the field.Methods:A total of 37 highly cited essential science indicator(ESI)papers in the nursing discipline were retrieved,which were compared with the core article collection of the ESI research frontier in January 2019 to understand the current nursing research frontiers.Subsequently,a statistical analysis of the core articles that constituted the nursing research frontiers was performed using a bibliometric method.The analysis was conducted with multiple aspects including the number of core articles,total number of citations,average publication year,issuing country,participating institution,citing paper,journal distribution,and core researcher.Results:At present,the two international research frontiers of nursing are patient-centered care(Research Frontier 1)and missed care(Research Frontier 2).These two frontiers include a total of 12 core articles,6 of which are highly cited Web of Scienceindexed nursing papers.Research Frontier 1 includes three core articles that were cited 389 times.Research Frontier 2 includes nine core articles that were cited 841 times.Articles in the two frontiers were cited by 454 and 841 papers,respectively,most of which are in the United States.In addition,the 12 core articles were published across eight journals,the impact factors of which are all relatively high.Lastly,Research Frontier 1 involves 11 authors,whereas Research Frontier 2 involves 49 authors,of which seven authors have published more than two articles.Conclusions:The core articles in the frontier of international nursing research demonstrate distinctive features in their issuing country/region,journal distribution,and participating institution.Review and analysis of the core articles of international nursing research frontiers can help nursing staff understand the current research hotspots and consequently perform corresponding scientific research to promote the development of the nursing discipline.展开更多
文摘Two distinct lignocellulosic fractions(rind and core)can be obtained through a physical separation of sugarcane stalks.Although presenting differences in morphology,both fractions can be employed to produce pulps and papers.The pulps and paper sheets produced from the core and rind fractions were characterized by their chemical composition,physical properties and mechanical properties.The pulps obtained from the core presented a higher amount of fines,lower drainage ability and rendered denser and stiffer sheets.The pulps from the rind,which have a higher content of fibers and higher degree of polymerization,produced sheets with higher air permeability and water absorption.Both paper sheets presented mechanical and physical properties comparable to commercial papers and papers from different cellulosic sources.The different properties exhibited by the papers produced from each fraction allow their use for distinct purposes,and expands the opportunities in the context of sugarcane biorefinery.
文摘Objective:To review and analyze the basic information and distribution of core articles in the global research frontier of nursing,so as to ascertain the current trend in the field.Methods:A total of 37 highly cited essential science indicator(ESI)papers in the nursing discipline were retrieved,which were compared with the core article collection of the ESI research frontier in January 2019 to understand the current nursing research frontiers.Subsequently,a statistical analysis of the core articles that constituted the nursing research frontiers was performed using a bibliometric method.The analysis was conducted with multiple aspects including the number of core articles,total number of citations,average publication year,issuing country,participating institution,citing paper,journal distribution,and core researcher.Results:At present,the two international research frontiers of nursing are patient-centered care(Research Frontier 1)and missed care(Research Frontier 2).These two frontiers include a total of 12 core articles,6 of which are highly cited Web of Scienceindexed nursing papers.Research Frontier 1 includes three core articles that were cited 389 times.Research Frontier 2 includes nine core articles that were cited 841 times.Articles in the two frontiers were cited by 454 and 841 papers,respectively,most of which are in the United States.In addition,the 12 core articles were published across eight journals,the impact factors of which are all relatively high.Lastly,Research Frontier 1 involves 11 authors,whereas Research Frontier 2 involves 49 authors,of which seven authors have published more than two articles.Conclusions:The core articles in the frontier of international nursing research demonstrate distinctive features in their issuing country/region,journal distribution,and participating institution.Review and analysis of the core articles of international nursing research frontiers can help nursing staff understand the current research hotspots and consequently perform corresponding scientific research to promote the development of the nursing discipline.
