Results 11 to 20 of about 2,131 (118)

Suppression of Lolium multiflorum Lam. with Vicia villosa Roth combined with residual herbicides

open access: yesRIA: Revista Investigaciones Agropecuarias, 2022
Lolium multiflorum Lam. (raigrás anual) es una especie de maleza problemática, especialmente en los sistemas de labranza cero en el sur de Buenos Aires (Argentina).
J.P. Renzi   +7 more
doaj  

Evaluación de insecticidas para el manejo del chinche marrón (Euschistus heros F.) (Hemíptera: Pentatomidae)

open access: yesRevista Científica y Tecnológica UPSE, 2020
Se condujo bioensayos de laboratorio para evaluar la susceptibilidad de adultos del chinche marrón, Euchistus herus, a dos insecticidas organofosforados: Clorpirifos y Acefato.
Javier Antonio Contreras-Miranda   +1 more
doaj   +1 more source

Manejo de plagas en el cultivo de chile y su impacto ambiental en la zona agrícola de Jiménez-Villa López, Chihuahua, México

open access: yesTecnociencia Chihuahua, 2018
La alta incidencia de plagas en el cultivo de chile ha causado un alar- mante aumento en el uso de productos químicos para su control. Con el objetivo de identificar los plaguicidas y programas de control de pla- gas utilizados en la zona y ...
César Guigón López   +1 more
doaj   +1 more source

Estrategias de manejo integrado en el rendimiento y polifenoles de Fragaria x ananassa Duch

open access: yesRevista de Investigación e Innovación Agropecuaria y de Recursos Naturales, 2023
Las estrategias de componentes para el control de plagas conllevan al menor uso de pesticidas en busca de productos de calidad e inocuos. La investigación se llevó a cabo en el Centro de Investigación Frutícola y Olerícola de la Universidad Nacional ...
Luisa M. Álvarez Benaute   +2 more
doaj   +1 more source

One century of teaching, research, and innovation in chemical engineering in Mexico: The role of chemical engineering in the background and future of polymer science and industrial production in Mexico

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Timeline of key academic milestones and individuals that shaped chemical engineering at FQ‐UNAM and in Mexico. Abstract One hundred years after the beginning of the teaching of Chemical Engineering in Mexico, which started in 1925 in the former National School of Chemical Sciences, currently Faculty of Chemistry (FQ) at National Autonomous University ...
Patricia Pérez‐Salinas   +2 more
wiley   +1 more source

Review of CFD modelling techniques for single‐phase and multiphase flow in static mixers

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
This review synthesizes computational fluid dynamics (CFD) approaches for static mixers, linking hydrodynamics to pressure drop, particle/droplet distributions, mixing metrics, and heat‐transfer performance to guide modelling choices and design decisions. Abstract Static mixers enable compact and low‐energy intensification.
Jussan Jaeger   +7 more
wiley   +1 more source

One hundred years of teaching, research, and innovation in chemical engineering at the Faculty of Chemistry, National Autonomous University of Mexico (UNAM): Birthplace and enduring leadership of the discipline in Mexico

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
The teaching of chemical engineering in Mexico started in 1925 at the Faculty of Chemistry (FQ) of the National Autonomous University of Mexico (UNAM). Academic institutions, research centres, chemical companies, technological developments, highly trained personnel, and scientific contributions are part of the legacy from FQ‐UNAM.
Patricia Pérez‐Salinas   +4 more
wiley   +1 more source

Decoupling Formulation and Processing Effects in Thermoplastic Starch Through a Data‐Driven Structure–Property Framework

open access: yesPolymer Engineering &Science, EarlyView.
Processing‐property relationships in thermoplastic starch (TPS): plasticizer type, starch source and melt‐processing temperature establish a hierarchy of effects that governs process‐induced changes and the resulting TPS properties. ABSTRACT Thermoplastic starch (TPS) is a melt‐processable biopolymer whose properties depend strongly on formulation and ...
Cristina Pavón   +3 more
wiley   +1 more source

Eficacia de las medidas preventivas y evaluación del riesgo químico en una empresa avícola

open access: yesRevista Colombiana de Salud Ocupacional, 2014
Objetivo: Elaborar un diagnóstico inicial de exposición a sustancias químicas en una empresa avícola del Valle del Cauca (Colombia) y un análisis de los medios técnicos de control y de vigilancia que tiene la empresa. Metodología: Estudio descriptivo
Francelly Sánchez, Johana Peláez
doaj   +1 more source

Influence of Reaction Conditions and Water on the Manufacture of C9 Aromatic Hydrocarbon Resins

open access: yesPolymer Engineering &Science, EarlyView.
Schematic representation of cationic polymerization process for the statistical analysis performed on material properties, showing the correlation plot of Softening point against Yield. ABSTRACT Aromatic hydrocarbons (HRs) find many commercial applications, demanding control of the cationic reaction conditions to achieve specific resin properties.
Jéssica Bentes   +5 more
wiley   +1 more source

Home - About - Disclaimer - Privacy