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An article processing charge (APC), also known as a publication fee, is a fee which is sometimes charged to authors. Most commonly, it is involved in making an academic work available as open access (OA), in either a full OA journal or in a hybrid journal .
This is a list of open-access journals by field. The list contains notable journals which have a policy of full open access. It does not include delayed open access journals, hybrid open access journals, or related collections or indexing services.
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.
Also acid ionization constant or acidity constant. A quantitative measure of the strength of an acid in solution expressed as an equilibrium constant for a chemical dissociation reaction in the context of acid-base reactions. It is often given as its base-10 cologarithm, p K a. acid–base extraction A chemical reaction in which chemical species are separated from other acids and bases. acid ...
Under the 1909 Act, federal statutory copyright protection attached to original works only when those works were 1) published and 2) had a notice of copyright affixed. Thus, state copyright law governed protection for unpublished works, but published works, whether containing a notice of copyright or not, were governed exclusively by federal law.
A work that has not undergone publication, and thus is not generally available to the public, or for citation in scholarly or legal contexts, is called an unpublished work. In some cases unpublished works are widely cited, or circulated via informal means. [14] An author who has not yet published a work may also be referred to as being unpublished.
In the case of music publishing, the emphasis is not on printed or recorded works. It usually refers to the promotion of a musical composition , or its referral to a suitable recording artist . A music publisher who does produce (or contract to issue) sheet music is known as a music print publisher.
IUPAC states that, "As one of its major activities, IUPAC develops Recommendations to establish unambiguous, uniform, and consistent nomenclature and terminology for specific scientific fields, usually presented as: glossaries of terms for specific chemical disciplines; definitions of terms relating to a group of properties; nomenclature of chemical compounds and their classes; terminology ...