汤森路透每年出版一本《期刊引用报告》(Journal Citation Reports,简称JCR)。JCR对86000多种SCI期刊的影响因子(Impact Factor)等指数加以统计。JCR将收录期刊分为176个不同学科类别在JCR的Journal Ranking中,主要参考当年IF,最终每个分区的期刊数量是均分的。
documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) ...
impact factor 4.24 期刊影响因子(Impact factor,IF),是代表期刊影响大小的一项定量指标。也就是某刊平均每篇论文的被引用数,它实际上是某刊... ccschemistry影响因子2022 最新影响因子还在统计中。 更多影响因子排名分区、趋势分析、实时预测。CCSChemistry是完全开放的,研究论文将免费开放给世界各地的化... sci核心...
e202202947 First Published: 21 December 2022 By addition of TPU in PBT polymer was carried out to improve impact strength of PBT. Graph reveals that Pure PBT has impact strength of 3.57 KJ/m2 and PBT/TPU(70/30 wt%) has impact strength of 11.00 KJ/m2. Abstract Full text PDF ...