Results 41 to 50 of about 208,037 (290)
Anasa humerata Brailovsky & Unam 2017, sp. nov.
, 2017 Anasa humerata sp. nov. (Figs 9, 21) Type material. HOLOTYPE: J, ECUADOR: ORELLANA: Napo, Loreto, 500 m, 15.1.1995, A. Moscoso (UNAM). PARATYPES: 2 JJ 2 ♀♀, ECUADOR: without locality, (“summer”) 1965, C. R.
Brailovsky, Harry, Unam
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The Canadian Journal of Chemical Engineering, EarlyView.Abstract A streamlined characterization framework (WSPLK) is presented for modelling complex reservoir fluids using cubic equations of state. The key methodological contribution is the introduction of a single global parameter ε directly into Pedersen's boiling‐point correlation, restoring pure‐component calibration and eliminating the need for ...
Angélica Merlo‐Robredo +3 more
wiley +1 more source
Centro Conjunto de Investigación en Química Sustentable UAEM-UNAM [PDF]
, 2016 Se describe brevemente el origen del Centro Conjunto de Investigación en Química Sustentable UAEM-UNAM (CCIQS). Se presentan principalmente las actividades científicas que se desarrollan en este centro relacionadas con la nanociencia y la nanotecnología (
Sanchez-Mendieta, Victor +2 more
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Can ISO/IEC 17025 serve as a tool to prevent scientific fraud in chemical research laboratories?
The Canadian Journal of Chemical Engineering, EarlyView.Abstract Scientific fraud has been documented across multiple disciplines, and chemistry is no exception. Recent studies indicate that contamination of materials, methodological errors, and unreliable data, results, or analyses account for over 25% of retracted publications.
Flor Monica Gutierrez‐Alcantara
wiley +1 more source
La Universidad Nacional de México (tres documentos)
Revista Mexicana de Ciencias Políticas y Sociales, 2020 La universidad colonial de México sobrevivió azarosamente la lucha por la independencia, por medio siglo; es clausurada en definitiva por Maximiliano de Habsburgo en 1865.
- RMCPyS
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The Canadian Journal of Chemical Engineering, EarlyView.Abstract The objective of this work is to demonstrate that the inclusion of an up‐flow anaerobic sludge bed (UASB reactor) within an industrial wastewater treatment plant reduces the plant's investment and operating costs compared to a system based solely on conventional complete‐mix activated sludge (CMAS), operating under the same design principles ...
Juan Manuel Morgan‐Sagastume +1 more
wiley +1 more source
, 2017 Seminario Internacional de Acceso Abierto en las Universidades Latinoamericanas 23-24 May, 2017 Lima ...
openaire +1 more source
PROCESOS DE VIRTUALIZACIÓN DE LA EDUCACIÓN SUPERIOR: EL CASO DEL SISTEMA ABIERTO Y A DISTANCIA DE LA UNIVERSIDAD NACIONAL AUTÓNOMA DE MÉXICO [PDF]
, 2014 Este artículo tiene como objeto de estudio perfilar, en lo general y mediante una investigación de corte documenta, los procesos de virtualización de la educación superior.
Cazales, Zaira Navarrete +1 more
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The Canadian Journal of Chemical Engineering, EarlyView.Abstract This study proposes a novel, green, and sustainable method for synthesizing magnetic iron oxides from metallurgical copper slag (CS), leveraging its iron content as a valuable resource. Iron was extracted via acid leaching using edible citric acid (ECA), forming a citrate–iron complex (CSL), which was subsequently thermally decomposed at 300°C
Melisa Portilla‐Sangabriel +4 more
wiley +1 more source
Guía del estudiante : 1981-1982 / UNAM, Facultad de Ciencias Políticas y Sociales.
, 1981 Guía cuyo fin es proporcionar información tanto a los alumnos como a los interesados acerca de la organización académica y administrativa de los posgrados de la Facultad de Ciencias Políticas y Sociales de la ...
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