productividad en el trabajo

The relationship between the quantity of inputs (land, labor, tractors, feed, etc.) employed and the quantity of output produced. An increase in productivity means that more ...

productividad

Geografia; Geografia fizyczna

Tasa de fijación de la energía o almacenamiento de la biomasa por las plantas. Generalmente se expresa por unidad de área y tiempo.

antihelmínticos

Rolnictwo; Rolnictwo ogólne

Agents destructive to parasitic worms. They are used therapeutically in the treatment of infestation with parasitic worms of the helminth class, in humans and animal.

antígenos de superficie

Rolnictwo; Rolnictwo ogólne

Antigens on surfaces of cells, including infectious or foreign cells or viruses. They are usually protein-containing groups on cell membranes or walls.

antígenos de neoplasias

Rolnictwo; Rolnictwo ogólne

Proteins, glycoprotein, or lipoprotein moieties on surfaces of tumor cells that are usually identified by monoclonal antibodies. Many of these are of either embryonic or viral ...

antígenos de histocompatibilidad

Rolnictwo; Rolnictwo ogólne

A group of antigens that includes both the major and minor histocompatibility antigens. The former are genetically determined by the major histocompatibility complex. They ...

antígeno nuclear de célula proliferativa

Rolnictwo; Rolnictwo ogólne

Nuclear antigen with a role in DNA synthesis, DNA repair, and cell cycle progression. PCNA is required for the coordinated synthesis of both leading and lagging strands at the ...

anticonceptivos

Rolnictwo; Rolnictwo ogólne

Agents, devices, methods, or procedures which diminish the likelihood of or prevent conception.

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Branża/Dziedzina: Urządzenia medyczne Kategoria: Produkty kardiologiczne

La válvula aórtica

La válvula aórtica es la entrada principal del corazón entre el ventrículo izquierdo y la aorta. La válvula aórtica puede verse afectada por una serie ...