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The hot comb was an invention developed in France as a way for women with coarse curly hair to achieve a fine straight look traditionally modeled by historical Egyptian women. [44] However, it was Annie Malone who first patented this tool, while her protégé and former worker, Madam C. J. Walker, widened the teeth. [45]
The impact factor (IF) or journal impact factor (JIF) of an academic journal is a scientometric index calculated by Clarivate that reflects the yearly mean number of citations of articles published in the last two years in a given journal, as indexed by Clarivate's Web of Science.
Women inventors have been historically rare in some geographic regions. For example, in the UK, only 33 of 4090 patents (less than 1%) issued between 1617 and 1816 named a female inventor. [1] In the US, in 1954, only 1.5% of patents named a woman, compared with 10.9% in 2002. [1]
Foods is a peer-reviewed scientific journal covering various aspects of food science.It is published by MDPI and was established in 2012. The editor-in-chief is Arun K. Bhunia (Purdue University).
The values for Nature journals lie well above the expected ca. 1:1 linear dependence because those journals contain a significant fraction of editorials. CiteScore was designed to compete with the two-year JCR impact factor, which is currently the most widely used journal metric. [7] [8] Their main differences are as follows: [9]
A journal's SJR indicator is a numeric value representing the average number of weighted citations received during a selected year per document published in that journal during the previous three years, as indexed by Scopus. Higher SJR indicator values are meant to indicate greater journal prestige.
Agnes Bertha Marshall (born Agnes Beere Smith; 24 August 1852 [2] – 29 July 1905) was an English culinary entrepreneur, inventor, and celebrity chef. [3] An unusually prominent businesswoman for her time, Marshall was particularly known for her work on ice cream and other frozen desserts, which in Victorian England earned her the moniker "Queen of Ices".
American women inventors (218 P) Pages in category "Women inventors" The following 128 pages are in this category, out of 128 total.