Results 41 to 50 of about 43,951 (232)

MODELADO DE PREDICCIÓN DE LA EFECTIVIDAD DE TRATAMIENTOS QUÍMICOS PARA REMOCIÓN DE ORGÁNICOS, MEDIANTE RMN1H Y QUIMIOMETRÍA

open access: yesRevista Fuentes El Reventón Energético, 2013
Uno de los problemas más comunes presentados en la producción de petróleo a nivel mundial son los depósitos parafínicos, los cuales se producen por cambios en las condiciones termodinámicas originales del crudo.
Edison Odilio García Navas   +4 more
doaj  

Engineering CEOs, Sustainability Performance, and Greenwashing: Evidence From Australian Listed Firms

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT This study examines how engineering trained chief executive officers (CEOs) determine firms' sustainability performance and greenwashing behavior in Australian listed firms from 2016 to 2024. Drawing on Upper Echelons theory and Imprint theory, we argue that engineering cognition influences environmental strategy by providing conservative ...
Sulochana Dissanayake   +1 more
wiley   +1 more source

Síntese de cristais líquido fotoluminescentes em forma de v derivados da 5,6-diaril-2,3-dicianopirazina [PDF]

open access: yes, 2006
TCC (graduação) - Universidade Federal de Santa Catarina. Centro de Ciências Físicas e Matemáticas. Curso de Química.A síntese de dois novos compostos luminescentes em forma de V derivados da 5,6- diaril-2,3-dicianopirazina foi planejada e dividida em ...
WESTPHAL, Eduard
core  

Synthesis of S‐Arylthioxanthonium Trifluoromethanesulfonates From Thioxanthones and Diaryliodonium Salts by Copper(II) Catalysis and Application to Aryl–Heteroaryl Bond Formation by Direct LED Irradiation

open access: yesEuropean Journal of Organic Chemistry, EarlyView.
A straightforward Cu(II)‐catalyzed synthesis of S‐arylthioxanthonium trifluoromethanesulfonates from readily available thioxanthones and diaryliodonium salts is described. A broad range of salts is obtained in moderate to good yields. It is further demonstrated that S‐arylthioxanthonium trifluoromethanesulfonates act as aryl radical precursors under ...
Pierre Boulay   +2 more
wiley   +1 more source

La resonancia magnética nuclear de la hepatocarcinoma en la cirrosis hepática y los hallazgos de la patología del explante hepático

open access: yesRevista de la Facultad de Medicina Humana, 2022
Objetivos: Determinar la sensibilidad y especificidad de la RMN trifásica con gadolinio en la detección de hepatocarcinoma en pacientes cirróticos que fueron a trasplante hepático y su correlación con los hallazgos del estudio patológico del explante ...
Consuelo Elsa Cornejo-Carrasco
doaj   +1 more source

Síntese de novos cristais líquidos iônicos calamíticos luminescentes [PDF]

open access: yes, 2010
TCC (graduação) - Universidade Federal de Santa Catarina. Centro de Ciências Físicas e Matemáticas. Curso de Química.Cristais líquidos (CL) têm se tornado um campo cada vez mais atraente devido as aplicações em materiais eletrônicos moleculares da atual ...
SILVA, Danilo Henrique de
core  

Assessment of Lectin Staining Biomarkers for GNE Myopathy Gene Therapy

open access: yesMuscle &Nerve, EarlyView.
ABSTRACT Introduction/Aims GNE myopathy (GNEM) is a rare, autosomal recessive disorder caused by mutations in the UDP‐N‐acetylglucosamine (GlcNAc) 2‐epimerase/N‐acetylmannosamine (ManNAc) kinase (GNE) gene, which encodes a required enzyme for sialic acid (SA) biosynthesis.
Kristina M. Sattler   +8 more
wiley   +1 more source

Síntese e caracterização de cristais liquidos tipo bastão de hockey [PDF]

open access: yes, 2005
TCC (graduação) - Universidade Federal de Santa Catarina. Centro de Ciências Físicas e Matemáticas. Curso de Química.Este trabalho tem como objetivo geral a síntese de cristais líquidos termotrópicos, com forma semelhante a bastões de hockey contendo o ...
VIEIRA , André Alexandre
core  

Simulación bidimensional de RMN acoplada con reconocimiento de patrones vía redes neuronales : una poderosa herramienta de validación estructural [PDF]

open access: yes, 2016
Resumen: El aislamiento, caracterización y síntesis total de nuevos productos naturales con potencial actividad biológica, es una de las áreas más apasionantes de la química.
Zanardi, María Marta   +1 more
core   +1 more source

Insulin‐Like Growth Factor Axis and Survival in Metastatic Hormone‐Sensitive Prostate Cancer: Post‐Hoc Analysis From the ENZAMET Phase 3 Trial

open access: yesThe Prostate, EarlyView.
ABSTRACT Background A higher ratio of IGF‐1:IGF binding protein 1 (IGFBP1) was associated with improved prognosis in the CHAARTED trial of docetaxel in participants with metastatic hormone‐sensitive prostate cancer (mHSPC). The ENZAMET trial demonstrated the survival benefit of adding enzalutamide to androgen deprivation therapy (ADT) in mHSPC, and ...
Michael A. Cilento   +15 more
wiley   +1 more source

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