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Tetrahedron is a weekly peer-reviewed scientific journal covering the field of organic chemistry. According to the Journal Citation Reports, Tetrahedron has a 2020 impact factor of 2.1. [1] Tetrahedron and Elsevier, its publisher, support an annual symposium. [2] In 2010, complaints were raised over its high subscription cost. [3]
Tetrahedron Letters is a weekly international journal for rapid publication of full original research papers in the field of organic chemistry. According to the Journal Citation Reports , the journal has a 2022 impact factor of 1.8 [ 1 ]
Symmetry is a monthly peer-reviewed open access scientific journal published by MDPI covering several aspects of theories and applications related to symmetry/asymmetry phenomena in the natural sciences. The journal was established in 2009 and the editor-in-chief is Sergei Odintsov (Catalan Institution for Research and Advanced Studies). The ...
The impact factor relates to a specific time period; it is possible to calculate it for any desired period. For example, the JCR also includes a five-year impact factor, which is calculated by dividing the number of citations to the journal in a given year by the number of articles published in that journal in the previous five years. [14] [15]
A regular tetrahedron, an example of a solid with full tetrahedral symmetry. A regular tetrahedron has 12 rotational (or orientation-preserving) symmetries, and a symmetry order of 24 including transformations that combine a reflection and a rotation.
Donald Trump's election victory last week is already having an effect on global supply chains. While many firms are waiting to see what Trump's trade policies will be, some are planning ahead.
The human body has 78 organs and each one performs a variety of important functions. While it's possible to live without organs like the appendix, gallbladder, or spleen, several of our organs are ...
A collection of 2024 holiday catalogs are displayed Monday, Nov. 25, 2024, in Freeport, Maine. Catalog retailers, reeling from U.S. postal rate increases, have responded with pint-sized catalogs ...