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2-Ethylhexyl salicylate also known as octisalate or octyl salicylate, is an organic compound used as an ingredient in sunscreens and cosmetics to absorb UVB (ultraviolet) rays from the sun. [1] It is an ester formed by the condensation of salicylic acid with 2-ethylhexanol. It is a colorless oily liquid with a slight floral odor.
Homosalate is an organic compound used in some sunscreens.It is made by the Fischer–Speier esterification of salicylic acid and 3,3,5-trimethylcyclohexanol, the latter being a hydrogenated derivative of isophorone.
For example, in the sentence conquistar-se-á ("it will be conquered"), the reflexive pronoun "se" appears between the stem conquistar and the future tense affix á. This placement of the clitic is characteristic of mesoclisis. Other examples include dá-lo-ei ("I will give it") and matá-la-ia ("he/she/it would kill her"). These forms are ...
Variation is a characteristic of language: there is more than one way of saying the same thing in a given language. Variation can exist in domains such as pronunciation (e.g., more than one way of pronouncing the same phoneme or the same word), lexicon (e.g., multiple words with the same meaning), grammar (e.g., different syntactic constructions expressing the same grammatical function), and ...
(75–89) (Level 2) Pearson Test of English Academic: 30 43 59 76 85ƒ PTE General (formerly LTE) Level A1 Level 1 Level 2 Level 3 Level 4 Level 5 Trinity College London Integrated Skills in English (ISE) / Graded Examinations in Spoken English (GESE) [59] [60] GESE 2 ISE 0 GESE 3, 4 ISE I GESE 5, 6 : ISE II GESE 7, 8, 9 : ISE III GESE 10, 11 ...
Variably known as English as a foreign language (EFL), English as a second language (ESL), English for speakers of other languages (ESOL), English as an additional language (EAL), or English as a new language (ENL), these terms denote the study of English in environments where it is not the dominant language.
Naproxen's medical uses are related to its mechanism of action as an anti-inflammatory compound. [11] Naproxen is used to treat a variety of inflammatory conditions and symptoms that are due to excessive inflammation, such as pain and fever (naproxen has fever-reducing, or antipyretic, properties in addition to its anti-inflammatory activity). [11]
An extended context-free grammar (or regular right part grammar) is one in which the right-hand side of the production rules is allowed to be a regular expression over the grammar's terminals and nonterminals. Extended context-free grammars describe exactly the context-free languages.