Verb tenses and moods: the indicative use of this timeless, conditional (arguably ...), attenuated expressions (we suggest ...)
Solo verbal dominance of the third person to expose the impersonality, use of first person plural.
Adjectives and resources: use of adjectives specified, descriptive, and explanatory appositions specified, switches, etc ...
Lexical-semantic characteristics: the scientific and technical texts are characterized by the use of specific terminology and the presence of semantic phenomena such as hyperonymy, the hyponymy, synonymy and antonym. Technicalities are all expressions which are called own notions of an area of knowledge. Types of techniques: by their origin (words of ordinary language of science receiving a precise meaning, Latinisms, neologisms ...) and training (from multiplier prefixes, suffixes, derivatives specialist eponyms, acronyms and abbreviations .. .)
Semantic phenomena:hyperonymy and hyponymy (horse / horse / mammal), O 3 (ozone), synonymy (white blood cells / leukocytes); antonymy (aerobic and anaerobic), rhetorical devices (metaphors and personifications [The behavior of the genome, the greenhouse effect ... ])
SCIENTIFIC AND TECHNICAL LANGUAGE: is the use of natural language in its written form, to convey expertise, is denotative, it dominates the referential function and is characterized by clear, precise and simple. This type of language tends to the universality of terms to facilitate communication and international exchange, this will have created terminology standardization bodies (CEN, ISO ...). Scientists use the word non-linguistic signs (symbols and formulas) and graphics (drawings, photos ...)
Modes of expression: description (of processes, people ...), explanation (of concepts, explanation of phenomena ...), combined with arguments (hypotheses, theories ...) and narrative (of experiments, advances ...). They can also include definitions, lists, rankings ...
Scientific discourse: scientific texts reflected in his speech the objectivity of science, avoiding the expressive elements and references to the issuer.
Coherence:statements constituting a scientific text are related by meaning and is always subordinate to the topic. The conditions under coherence: the communicative situation and the type of text should meet the expectations of the receiver.
Internal cohesion: in scientific texts are particularly relevant discourse markers (connectors, estructuradotes information, reformulated ...) and deictic expressions.
Morphosyntactic characteristics: statements without reference to the issuer are more appropriate in scientific texts, as they reflect the objectivity and validity of science.
Types of sentences: declarative sentences, interrogative sentence. with didactic purposes, impersonal and passive reflexive sentences, subordinate adverbial and sub. Substantive ...
Nominalizations: the action ceases to be named and are preferred nominalizations: classification, addition ..., are the qualities nominalization tb (viscosity ...).