منابع مشابه
de 19 años : una revisión sistemática
Objetivo. Evaluar la asociación entre la exposición a los principales contaminantes químicos del agua de consumo humano (ACH) y el aumento de casos de cáncer en menores de 19 años. Métodos. Se realizó una revisión sistemática de la literatura científica recogida en las bases de datos MEDLINE (via PubMed©), EMBASE©, Web of Knowledge, Cochrane Library Plus, Literatura Latinoamericana y del Caribe...
متن کاملUPN: l\. Petri Net Based Graphical Representation for Company Policy Specifications in CIM
A graphical representation schema Updated Petri Nets (UPN) has been developed to model rule based company policy specifications, in the context of computer integrated manufacturing systems. UPN facilitates the modeling of relationships between operations of various related application systems and the database updates and retrievals among all the CIM databases. Based on this representation, a hi...
متن کامل40-Deoxy-40(S)-iodorapamycin
The title compound, C(51)H(78)INO(12), contains a 29-membered ring incorporating amide, lactone and ester groups. It contains a total of 15 stereogenic centres. In the crystal, mol-ecules are linked by O-H⋯O hydrogen bonds, forming C(8) chains propagating in [100]. A weak intra-molecular O-H⋯O inter-action also occurs.
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ژورنال
عنوان ژورنال: Pedagogía y Saberes
سال: 1994
ISSN: 2500-6436,0121-2494
DOI: 10.17227/01212494.5pys3.4