基于web of science和知网数据源,利用Derwent Data Analyzer,VOSvievwer和Incites对1960—2022年盐湖相关文献进行计量分析,以深入了解国际和国内盐湖研究进展和发展趋势。分析得出近60多年盐湖研究发文量整体上呈先稳定后增加的趋势;...基于web of science和知网数据源,利用Derwent Data Analyzer,VOSvievwer和Incites对1960—2022年盐湖相关文献进行计量分析,以深入了解国际和国内盐湖研究进展和发展趋势。分析得出近60多年盐湖研究发文量整体上呈先稳定后增加的趋势;盐湖相关研究国际发文数量最高的期刊是International Journal of Systematic and Evolutionary Microbiology,国内发文量最高的期刊是《盐湖研究》。美国和中国是盐湖研究的核心力量,两者的总发文量、总引频次和高被引论文数均居前2位。盐湖研究领域发文量最高的机构是中国科学院,其隶属单位青海盐湖研究所发文量占比最高。国际文献作者前15位中8位来自中国。国际和国内研究热点演进分析得出今后盐湖资源的分离和提取将得到持续关注,高被引文章分析说明近年来盐湖研究关注最多的为盐湖资源的分离提取,尤其是锂资源。整体而言,有关盐湖研究还在不断拓展和延伸,未来我国应在文章质量、研究方向布局和影响力上继续提升,发挥国内盐湖研究的对外影响力。展开更多
后量子密码正处于蓬勃发展时期,分析该领域的研究现状和热点,以便更好地把握密码学科新的研究方向。利用深度挖掘和分析软件(derwent data analyzer,DDA),运用文献计量学、关键词共现分析的方法,揭示后量子密码研究的整体趋势、地域分...后量子密码正处于蓬勃发展时期,分析该领域的研究现状和热点,以便更好地把握密码学科新的研究方向。利用深度挖掘和分析软件(derwent data analyzer,DDA),运用文献计量学、关键词共现分析的方法,揭示后量子密码研究的整体趋势、地域分布、机构分布和研究热点。结果表明,后量子密码领域研究文献呈上升趋势,其中中国发文量世界排名第一,处于快速发展阶段。后量子密码领域研究主要集中在基于格理论密码、基于编码理论的密码、多变量密码、基于密码杂凑函数的签名等领域,其中基于格理论的加解密算法、数字签名算法、密钥协商协议、密码杂凑函数算法、全同态加密算法已经成为当今密码学科研究的热点。展开更多
The authors are to be congratulated for an innovative paper in terms of both modelling methodology and subject matter significance. The analysis of short time series is known to be
This is a very attractive article. It combines fascinating new methodology with a most interesting dataset, and a highly motivating presentation. However, despite the many
We report on the properties of strong pulses from PSR B0656＋14 by analyzing the data obtained using the Urumqi 25-m radio telescope at 1540 MHz from August 2007 to September 2010.In 44 h of observational data,a total...We report on the properties of strong pulses from PSR B0656＋14 by analyzing the data obtained using the Urumqi 25-m radio telescope at 1540 MHz from August 2007 to September 2010.In 44 h of observational data,a total of 67 pulses with signal-to-noise ratios above a 5σthreshold were detected.The peak flux densities of these pulses are 58 to 194 times that of the average profile,and their pulse energies are 3 to 68 times that of the average pulse.These pulses are clustered around phases about 5-ahead of the peak of the average profile.Compared with the width of the average profile,they are relatively narrow,with the full widths at half-maximum ranging from 0.28 ° to 1.78 °.The distribution of pulse-energies follows a lognormal distribution.These sporadic strong pulses detected from PSR B0656＋14 have different characteristics from both typical giant pulses and its regular pulses.展开更多
文摘基于web of science和知网数据源,利用Derwent Data Analyzer,VOSvievwer和Incites对1960—2022年盐湖相关文献进行计量分析,以深入了解国际和国内盐湖研究进展和发展趋势。分析得出近60多年盐湖研究发文量整体上呈先稳定后增加的趋势;盐湖相关研究国际发文数量最高的期刊是International Journal of Systematic and Evolutionary Microbiology,国内发文量最高的期刊是《盐湖研究》。美国和中国是盐湖研究的核心力量,两者的总发文量、总引频次和高被引论文数均居前2位。盐湖研究领域发文量最高的机构是中国科学院,其隶属单位青海盐湖研究所发文量占比最高。国际文献作者前15位中8位来自中国。国际和国内研究热点演进分析得出今后盐湖资源的分离和提取将得到持续关注,高被引文章分析说明近年来盐湖研究关注最多的为盐湖资源的分离提取,尤其是锂资源。整体而言,有关盐湖研究还在不断拓展和延伸,未来我国应在文章质量、研究方向布局和影响力上继续提升,发挥国内盐湖研究的对外影响力。
文摘后量子密码正处于蓬勃发展时期,分析该领域的研究现状和热点,以便更好地把握密码学科新的研究方向。利用深度挖掘和分析软件(derwent data analyzer,DDA),运用文献计量学、关键词共现分析的方法,揭示后量子密码研究的整体趋势、地域分布、机构分布和研究热点。结果表明,后量子密码领域研究文献呈上升趋势,其中中国发文量世界排名第一,处于快速发展阶段。后量子密码领域研究主要集中在基于格理论密码、基于编码理论的密码、多变量密码、基于密码杂凑函数的签名等领域,其中基于格理论的加解密算法、数字签名算法、密钥协商协议、密码杂凑函数算法、全同态加密算法已经成为当今密码学科研究的热点。
文摘The authors are to be congratulated for an innovative paper in terms of both modelling methodology and subject matter significance. The analysis of short time series is known to be
文摘This is a very attractive article. It combines fascinating new methodology with a most interesting dataset, and a highly motivating presentation. However, despite the many
基金funded by the National Natural Science Foundation of China(Grant No.10973026)
文摘We report on the properties of strong pulses from PSR B0656＋14 by analyzing the data obtained using the Urumqi 25-m radio telescope at 1540 MHz from August 2007 to September 2010.In 44 h of observational data,a total of 67 pulses with signal-to-noise ratios above a 5σthreshold were detected.The peak flux densities of these pulses are 58 to 194 times that of the average profile,and their pulse energies are 3 to 68 times that of the average pulse.These pulses are clustered around phases about 5-ahead of the peak of the average profile.Compared with the width of the average profile,they are relatively narrow,with the full widths at half-maximum ranging from 0.28 ° to 1.78 °.The distribution of pulse-energies follows a lognormal distribution.These sporadic strong pulses detected from PSR B0656＋14 have different characteristics from both typical giant pulses and its regular pulses.
