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Spanish grammar. Spanish is a grammatically inflected language, which means that many words are modified ("marked") in small ways, usually at the end, according to their changing functions. Verbs are marked for tense, aspect, mood, person, and number (resulting in up to fifty conjugated forms per verb).
v. t. e. Corrosion is a natural process that converts a refined metal into a more chemically stable oxide. It is the gradual deterioration of materials (usually a metal) by chemical or electrochemical reaction with their environment. Corrosion engineering is the field dedicated to controlling and preventing corrosion. [1][2]
The pronouns yo, tú, vos,[1] él, nosotros, vosotros[2] and ellos are used to symbolise the three persons and two numbers. Note, however, that Spanish is a pro-drop language, and so it is the norm to omit subject pronouns when not needed for contrast or emphasis.
Spanish is a relatively synthetic language with a moderate to high degree of inflection, which shows up mostly in Spanish conjugation. As is typical of verbs in virtually all languages, Spanish verbs express an action or a state of being of a given subject, and like verbs in most Indo-European languages , Spanish verbs undergo inflection ...
Galvanic corrosion (also called bimetallic corrosion or dissimilar metal corrosion) is an electrochemical process in which one metal corrodes preferentially when it is in electrical contact with another, in the presence of an electrolyte. A similar galvanic reaction is exploited in primary cells to generate a useful electrical voltage to power ...
Spanish verbs are a complex area of Spanish grammar, with many combinations of tenses, aspects and moods (up to fifty conjugated forms per verb). Although conjugation rules are relatively straightforward, a large number of verbs are irregular. Among these, some fall into more-or-less defined deviant patterns, whereas others are uniquely irregular.
v. t. e. In Spanish, grammatical gender is a linguistic feature that affects different types of words and how they agree with each other. It applies to nouns, adjectives, determiners, and pronouns. Every Spanish noun has a specific gender, either masculine or feminine, in the context of a sentence. Generally, nouns referring to males or male ...
High-temperature corrosion. High-temperature corrosion is a mechanism of corrosion that takes place when gas turbines, diesel engines, furnaces or other machinery come in contact with hot gas containing certain contaminants. Fuel sometimes contains vanadium compounds or sulfates, which can form low melting point compounds during combustion.