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The part of speech is a category to which a word is assigned according to its syntactic functions. In English the main parts of speech are noun, pronoun, adjective, determiner, verb, adverb, preposition, conjunction, and interjection.
A conjunction is a word like 'if' 'but' or 'and' which is used to connect sentences or clauses together.
Coordinating conjunctions always connect phrases, words, and clauses. They are: for, and, nor, but, or, yet, so.
Se trata de un varón sometido a tratamiento (medida de seguridad) con metadona.
Se trata del caso de un varón en cuyo perfil analítico en pelo observamos la presencia de opiáceos.
Se trata de una mujer cuya muestra de 22 cm de longitud permite detectar opiáceos y cocaína/benzoilecgonina.
A preposition is one of the most exciting parts of grammar. A preposition is used to describe the location of something in relation to something else.
A group of words used with the force of a single preposition is called phrase preposition.
Comparación ratios teóricos (cut-off) y en nuestra muestra Ratios teóricos, Ratios reales mínimos y medios
Comparación resultados de metadona en pelo
Comparación resultados de codeína en pelo
Comparación resultados de morfina en pelo
Comparación resultados de benzoilecgonina en pelo
Comparación resultados de cocaína
A numeral is a word or phrase that describes a numerical quantity.
Some theories of grammar use the word 'numeral' to refer to cardinal numbers that act as a determiner to specify the quantity of a noun, for example the 'two' in 'two hats'.
Garantía de calidad
Influencia de las técnicas analíticas en la interpretación
Tratamientos cosméticos del pelo
Predisposición por contaminación pasiva
Predisposición racial
El pelo de la barba es una muestra interesante que crece a un ritmo similar al cabello y puede ser recogido diariamente. Se ha utilizado este pelo para evaluar el tiempo de aparición de una droga administrada en una dosis única y ello se ha llevado a efecto para algunas sustancias en concreto.
Este es otro importante parámetro a considerar. Se han hecho algunos intentos para relacionar concentraciones en pelo de drogas y las dosis consumidas de las mismas.
Cone
Ratio benzoilecgonina /cocaína > 0,05 para indicar uso de cocaína.
Gaillard y Pépin
Ratios que indican consumo de la droga (cocaína o heroína): — benzoilecgonina/cocaína > 0,10
Moeller
Para determinar el consumo de heroína el ratio de concentraciones detectadas en pelo entre morfina/codeína ha de ser 5:1 cuando se trata de niveles bajos de morfina.
Los valores cut-off son de la mayor importancia para la interpretación de los resultados en pelo.
A pronoun is a word that can be used in place of a noun, typically after the noun itself has already been stated.
Possessive pronouns are used to show possession. The possessive pronouns are mine, yours, his, hers, ours, and theirs.
The personal pronouns are I, you, he, she, it, we, they. More often than not (but certainly not always), they replace nouns representing people.
A noun is defined as a person, place, thing or idea. Proper nouns always begin with a capital letter. Common nouns, which are general words, such as 'cars,' are not capitalized.
Compound nouns are words where two nouns have been stuck together to make a new noun. Compound nouns should be written as one word, without a hyphen.
A noun which refers to a group of things/people.
Countable nouns are nouns that can be counted, even if the number might be extraordinarily high.
Uncountable nouns are nouns that come in a state or quantity which is impossible to count; liquids are uncountable, as are things which act
like liquids.
Proper nouns are the names of specific people or places. They should always begin with a capital letter.
A verb is an action word or 'doing' word that signifies movement in some way.
A participle is a verb form that can be used as an adjective or to create a verb tense. There are two types of participles: Present participle (ending -ing) and Past participle (usually ending -ed, -d, -t, -en, or -n).
A modal is a type of auxiliary (helping) verb that is used to express: ability, possibility, permission or obligation. The main modal verbs in the English language are: can, could, may, might, must, shall, should, will, would.
A linking verb connects the subject with a word that gives information about the subject, such as a condition or relationship.
A verb with its own meaning: a verb that is not an auxiliary verb.