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6 Class 500 – Science. 7 Class 600 ... 500 Natural sciences and mathematics; 501 Philosophy and theory; ... 570 Biology. 570 Biology;
2. Equivalence class: given an equivalence relation, [] often denotes the equivalence class of the element x. 3. Integral part: if x is a real number, [] often denotes the integral part or truncation of x, that is, the integer obtained by removing all digits after the decimal mark.
def – define or definition. deg – degree of a polynomial, or other recursively-defined objects such as well-formed formulas. (Also written as ∂.) del – del, a differential operator. (Also written as.) det – determinant of a matrix or linear transformation. DFT – discrete Fourier transform.
Mathematical and theoretical biology, or biomathematics, is a branch of biology which employs theoretical analysis, mathematical models and abstractions of living organisms to investigate the principles that govern the structure, development and behavior of the systems, as opposed to experimental biology which deals with the conduction of ...
Latin and Greek letters are used in mathematics, science, engineering, and other areas where mathematical notation is used as symbols for constants, special functions, and also conventionally for variables representing certain quantities.
EMC E2, an early American passenger-train diesel locomotive; LB&SCR E2 class, a class of 0-6-0T steam locomotives designed by Lawson Billington; PRR E2, an American PRR 4-4-2 locomotive; CNW Class E-2, a class of 4-6-2 steam locomotives built by the American Locomotive Company in 1923
Estradiol (E2), also called oestrogen, oestradiol, is an estrogen steroid hormone and the major female sex hormone. It is involved in the regulation of female reproductive cycles such as estrous and menstrual cycles .
The E2 mechanism, where E2 stands for bimolecular elimination, involves a one-step mechanism in which carbon-hydrogen and carbon-halogen bonds break to form a double bond (C=C Pi bond). The specifics of the reaction are as follows: E2 is a single step elimination, with a single transition state.