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Journal ranking is widely used in academic circles in the evaluation of an academic journal 's impact and quality. Journal rankings are intended to reflect the place of a journal within its field, the relative difficulty of being published in that journal, and the prestige associated with it.
Hydrogen isotope biogeochemistry is the scientific study of biological, geological, and chemical processes in the environment using the distribution and relative abundance of hydrogen isotopes. There are two stable isotopes of hydrogen, protium 1 H and deuterium 2 H, which vary in relative abundance on the order of hundreds of permil.
Scientific journal. Cover of the first issue of Nature (4 November 1869) In academic publishing, a scientific journal is a periodical publication designed to further the progress of science by disseminating new research findings to the scientific community. [1]
Graeco-Latin squares. A Graeco-Latin square or Euler square or pair of orthogonal Latin squares of order n over two sets S and T (which may be the same), each consisting of n symbols, is an n × n arrangement of cells, each cell containing an ordered pair (s, t), where s is in S and t is in T, such that every row and every column contains each element of S and each element of T exactly once ...
Rotary vacuum drum filter (RVDF), patented in 1872, [2] is one of the oldest filters used in the industrial liquid-solids separation. It offers a wide range of industrial processing flow sheets and provides a flexible application of dewatering, washing and/or clarification. A rotary vacuum filter consists of a large rotating drum covered by a ...
An academic journal or scholarly journal is a periodical publication in which scholarship relating to a particular academic discipline is published. They serve as permanent and transparent forums for the presentation, scrutiny, and discussion of research. They nearly universally require peer review for research articles or other scrutiny from ...
Mafatih al-Ghayb ( Arabic: مفاتيح الغيب, lit. 'Keys to the Unknown'), usually known as al-Tafsir al-Kabir ( Arabic: التفسير الكبير, lit. 'The Large Commentary'), is a classical Islamic tafsir book, written by the twelfth-century Islamic theologian and philosopher Fakhruddin Razi (d.1210). [1] The book is an exegesis and ...
Intraperitoneal injection or IP injection is the injection of a substance into the peritoneum (body cavity). It is more often applied to non-human animals than to humans. In general, it is preferred when large amounts of blood replacement fluids are needed or when low blood pressure or other problems prevent the use of a suitable blood vessel ...