Sciences
- Substitution reaction, where a functional group in a chemical compound is replaced by another group
- Substitution (logic), a syntactic transformation on strings of symbols of a formal language
- Substitution of variables
- Substitution cipher, a method of encryption
- String substitution, a mapping of letters in an alphabet to languages
- Substitution method, a method of measuring the transmission loss of a fiber
- Base-pair substitution or point mutation, a type of mutation
- Substitution, a process in which an allele arises and undergoes fixation
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Famous quotes containing the word sciences:
“Letting a hundred flowers blossom and a hundred schools of thought contend is the policy for promoting the progress of the arts and the sciences and a flourishing culture in our land.”
—Mao Zedong (1893–1976)
“Letting a hundred flowers blossom and a hundred schools of thought contend is the policy for promoting the progress of the arts and the sciences and a flourishing culture in our land.”
—Mao Zedong (1893–1976)
“All cultural change reduces itself to a difference of categories. All revolutions, whether in the sciences or world history, occur merely because spirit has changed its categories in order to understand and examine what belongs to it, in order to possess and grasp itself in a truer, deeper, more intimate and unified manner.”
—Georg Wilhelm Friedrich Hegel (1770–1831)