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It is denoted mmHg [3] or mm Hg. [ 4 ] [ 2 ] Although not an SI unit, the millimetre of mercury is still often encountered in some fields; for example, it is still widely used in medicine , as demonstrated for example in the medical literature indexed in PubMed . [ 5 ]
In chemistry and related fields, the molar volume, symbol V m, [1] or ~ of a substance is the ratio of the volume (V) occupied by a substance to the amount of substance (n), usually at a given temperature and pressure.
Normally, pronunciation is given only for the subject of the article in its lead section. For non-English words and names, use the pronunciation key for the appropriate language. If a common English rendering of the non-English name exists (Venice, Nikita Khrushchev), its pronunciation, if necessary, should be indicated before the non-English one.
Quantities, Units and Symbols in Physical Chemistry, also known as the Green Book, is a compilation of terms and symbols widely used in the field of physical chemistry. It also includes a table of physical constants , tables listing the properties of elementary particles , chemical elements , and nuclides , and information about conversion ...
A mnemonic is a memory aid used to improve long-term memory and make the process of consolidation easier. Many chemistry aspects, rules, names of compounds, sequences of elements, their reactivity, etc., can be easily and efficiently memorized with the help of mnemonics.
a type of covalent bond in chemistry ; a pion (pi meson) in particle physics; in statistics, the population proportion; nucleotide diversity in molecular genetics; in electronics, a special type of small signal model is referred to as a hybrid-pi model; in discrete mathematics, a permutation; Projection; ϖ (a graphic variant, see pomega ...
Pronunciation is the way in which a word or a language is spoken. This may refer to generally agreed-upon sequences of sounds used in speaking a given word or language in a specific dialect ("correct" or "standard" pronunciation) or simply the way a particular individual speaks a word or language. [1] (Pronunciation ⓘ)
The pronunciation of the vowel of the prefix di-in words such as dichotomy, digest (verb), dilate, dilemma, dilute, diluvial, dimension, direct, dissect, disyllable, divagate, diverge, diverse, divert, divest, and divulge as well as their derivational forms vary between / aɪ / and / ɪ / or / ə / in both British and American English.