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120 resultados encontrados.

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Degradation of the Oxirane Ring of Epoxidized Vegetable Oils in Liquid-liquid Heterogeneous Reaction Systems
Artículo
Material complementario disponible Artículo CONICET Digital
Degradation of the Oxirane Ring of Epoxidized Vegetable Oils in Liquid-liquid Heterogeneous Reaction Systems
Campanella, Alejandrina et al · Elsevier Science Sa · 2006 · ISSN 1385-8947
The reaction regimes under which proceed some of the relevant and deletereous consecutive reactions that occur during the conventional epoxidation process of vegetable oils were analyzed in detail, considering – separa...
Idioma eng
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Effect of pH of the Reaction Medium on the Structure and Properties of Spinel-Type Ferrite Nanopowder
Artículo
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Effect of pH of the Reaction Medium on the Structure and Properties of Spinel-Type Ferrite Nanopowder
B. K. Ostafiychuk et al · Vasyl Stefanyk Carpathian National University · 2018 · ISSN 1729-4428
In this work by using sol-gel auto-combustion synthesis was synthesized single-phase magnesium-substituted lithium ferrite at different pH reaction medium. The synthesized materials were investigated by X-ray and Mossbau...
LCC TENDOlBoeXNpY3M~Idioma eng
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Hierarchical Bayesian models for genotype × environment estimates in post-weaning gain of Hereford bovine via reaction norms Modelos hierárquicos bayesianos para estimativas de interação genótipo × ambiente em ganho pós-desmama de bovinos Hereford via normas de reação
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Hierarchical Bayesian models for genotype × environment estimates in post-weaning gain of Hereford bovine via reaction norms Modelos hierárquicos bayesianos para estimativas de interação genótipo × ambiente em ganho pós-desmama de bovinos Hereford via normas de reação
Leandro Lunardini Cardoso et al · Sociedade Brasileira de Zootecnia · 2011 · ISSN 1516-3598
It was evaluated statistical models with different assumptions to define the one that best describes the presence of genotype × environment interaction on adjusted post-weaning weight gain (PWG345) of Hereford cattle, t...
LCC LCC:Animal cultureIdioma eng
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Nanoscale structural characterization of plasmon-driven reactions
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Nanoscale structural characterization of plasmon-driven reactions
Li Zhandong et al · Wiley · 2021 · ISSN 2192-8606
Illumination of noble metal nanostructures by electromagnetic radiation induces coherent oscillations of conductive electrons on their surfaces. These coherent oscillations of electrons, also known as localized surface p...
LCC TENDOlBoeXNpY3M~Idioma eng
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Optimization Development and Application of Lee-Tarver Reaction Rate Model
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Optimization Development and Application of Lee-Tarver Reaction Rate Model
Ji DUAN et al · Editorial Office of Chinese Journal of High Pressure Physics · 2026 · ISSN 1000-5773
To address the short comings of the Lee-Tarver ignition and growth reaction rate equation, which comprises numerous parameters (15) and is difficult to calibrate, semi-periodic trigonometric functions were introduced to ...
LCC TENDOlBoeXNpY3M~Idioma eng
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Optimization of dechlorination conditions and reaction kinetics of aluminum gel
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Optimization of dechlorination conditions and reaction kinetics of aluminum gel
ZHANG Yiwei et al · Editorial Office of Industrial Water Treatment · 2026 · ISSN 1005-829X
A new aluminum gel dechlorinating agent was used to replace sodium meta-aluminate in the traditional Friedel's salt precipitation method, and the effects of chemical dosage, reaction time, reaction temperature, initial C...
LCC TENDOkVudmlyb25tZW50YWwgdGVjaG5vbG9neS4gU2FuaXRhcnkgZW5naW5lZXJpbmc~Idioma zho
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Pt encapsulated into NaA zeolite as catalyst for the WGS reaction
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Pt encapsulated into NaA zeolite as catalyst for the WGS reaction
Martinez Galeano, Yohana et al · Elsevier Science · 2019 · ISSN 0926-860X
Pt catalysts were prepared by encapsulating the active metal in the NaA zeolite structure. The catalysts were prepared by hydrothermal synthesis using two heating sources, conventional heating through a thermal bath and ...
Idioma eng
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QM-MM Investigation of the Reaction of Peroxynitrite with Carbon Dioxide in Water
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QM-MM Investigation of the Reaction of Peroxynitrite with Carbon Dioxide in Water
González Lebrero, Mariano Camilo et al · American Chemical Society · 2007 · ISSN 1405-1411
We have investigated the reaction of peroxynitrite with carbon dioxide in aqueoussolution by means of combined quantum-classical (QM-MM) molecular dynamics simulations.In our QM-MM scheme, the reactant was modeled using ...
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Spectrophotometric determination of trifluoperazine via oxidative coupling reaction with sulfanilic acid
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Spectrophotometric determination of trifluoperazine via oxidative coupling reaction with sulfanilic acid
Theiaa Al-Sabha et al · University of Mosul, College of Education for Pure Science · 2010 · ISSN 1812-125X
Abstract A simple spectrophotometric method has been developed for the determination of trifluoperazine hydrochloride in pure and in dosage forms. The method is based on the oxidative coupling reaction with sulfanilic ac...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Thermodynamic Analysis of Perspective AlB<sub>12</sub> Synthesis Reactions from Industrially Accessible Oxygen-Free Compounds
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Thermodynamic Analysis of Perspective AlB<sub>12</sub> Synthesis Reactions from Industrially Accessible Oxygen-Free Compounds
O. Vasiliev et al · Vasyl Stefanyk Carpathian National University · 2018 · ISSN 1729-4428
Reactions of aluminum dodecaboride synthesis from oxygen free industrially available boron compounds by interaction of condensed and gaseous aluminum with boron nitride and carbide were the subject of thermodynamic analy...
LCC TENDOlBoeXNpY3M~Idioma eng
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Unveiling a flip-over retention mechanism in the gas-phase Cl− + (CH3)3CI SN2 reaction
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Unveiling a flip-over retention mechanism in the gas-phase Cl− + (CH3)3CI SN2 reaction
Xiaoxiao Lu et al · Nature Portfolio · 2026 · ISSN 2041-1723
Abstract Bimolecular nucleophilic substitution (SN2) and base-induced elimination (E2) reactions play crucial roles in chemistry. Here, we report a combined study of ion-molecule crossed-beam 3D velocity map imaging expe...
LCC TENDOlNjaWVuY2U~Idioma eng
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Adverse drug reaction as cause of hospital admission of elderly people: a pilot study
Artículo
Acceso abierto Artículo SEDICI UNLP
Adverse drug reaction as cause of hospital admission of elderly people: a pilot study
Varallo, Fabiana R. et al · SEDICI UNLP · 2011
The objective of this study was to estimate the prevalence of adverse drug reactions (ADR) related to hospital admission of elderly people, identifying the use of potentially inappropriate medication (PIM) , the ADR and ...
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Effect of Maillard reaction conditions on physicochemical properties and oxidative stability of microencapsulated chia oil
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Effect of Maillard reaction conditions on physicochemical properties and oxidative stability of microencapsulated chia oil
Ixtaina, Vanesa Yanet et al · American Oil Chemists' Society · 2019
Chia seed oil presents a very high content of polyunsaturated fatty acids (PUFAs 60% omega-3 alfa-linolenic acid 18:3, 20% linoleic acid 18:2) which are very appreciated in terms of health and nutrition aspects. Clinical...
Idioma eng
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Critical Review of rate constants for reactions of hydrated electrons, hydrogen atoms and hydroxyl radicals (⋅OH/⋅O− in Aqueous Solution
Artículo
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Critical Review of rate constants for reactions of hydrated electrons, hydrogen atoms and hydroxyl radicals (⋅OH/⋅O− in Aqueous Solution
George V. Buxton; C.L. Greenstock; W. Phillips Helman; Alberta B. Ross · Journal of Physical and Chemical Reference Data · 1988
Kinetic data for the radicals H⋅ and ⋅OH in aqueous solution,and the corresponding radical anions, ⋅O− and eaq−, have been critically pulse radiolysis, flash photolysis and other methods. Rate constants for ove...
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Profiling of complex microbial populations by denaturing gradient gel electrophoresis analysis of polymerase chain reaction-amplified genes coding for 16S rRNA
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Profiling of complex microbial populations by denaturing gradient gel electrophoresis analysis of polymerase chain reaction-amplified genes coding for 16S rRNA
Gerard Muyzer; Ellen C. de Waal; André G. Uitterlinden · Applied and Environmental Microbiology · 1993
We describe a new molecular approach to analyzing the genetic diversity of complex microbial populations. This technique is based on the separation of polymerase chain reaction-amplified fragments of genes coding for 16S...
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3-Axis reaction wheel edge balanced cube
Texto / recurso
Acceso abierto Texto / recurso RI ITBA
3-Axis reaction wheel edge balanced cube
Belascuen, Gonzalo · RI ITBA · 2023
"This thesis presents the design and implementation of a 3-axis reaction wheel balanced cube capable of balancing on any of its 12 edges. Figure 1 shows a picture of the cube balancing on its edge. The first 3 sections p...
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Incidence of adverse drug reactions at a university hospital in Southern Brazil
Artículo
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Incidence of adverse drug reactions at a university hospital in Southern Brazil
Gonzalez, Cristina et al · SEDICI UNLP · 2011
We aimed to evaluate the incidence of adverse drug reactions (ADRs) at a hospital, determine the variation in the incidence of ADRs between genders and among age groups, and determine the pharmacological class most often...
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New vaccine for influenza virus H1N1 : Pharmacosurveillance of adverse reactions in health staff at Hospital San Luis, Argentina
Artículo
Acceso abierto Artículo SEDICI UNLP
New vaccine for influenza virus H1N1 : Pharmacosurveillance of adverse reactions in health staff at Hospital San Luis, Argentina
Sarmiento, María G. et al · SEDICI UNLP · 2011
In March 2010, the Immunization Program of San Luis Province began a vaccination campaign against influenza A H1N1 with monovalent and trivalent vaccines. Being this the first year that this vaccine is used, and followin...
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Chemical Reaction Engineering
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Chemical Reaction Engineering
Octave Levenspiel · Industrial & Engineering Chemistry Research · 1999
ADVERTISEMENT RETURN TO ISSUEPREVCommentaryNEXTChemical Reaction EngineeringOctave LevenspielView Author Information Chemical Engineering Department Oregon State University Corvallis, Oregon 97331Cite this: Ind. Eng. Che...
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Click Chemistry: Diverse Chemical Function from a Few Good Reactions
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Click Chemistry: Diverse Chemical Function from a Few Good Reactions
Hartmuth C. Kolb; M. G. Finn; K. Barry Sharpless · Angewandte Chemie International Edition · 2001
Examination of nature's favorite molecules reveals a striking preference for making carbon–heteroatom bonds over carbon–carbon bonds—surely no surprise given that carbon dioxide is nature's starting material and th...
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3-Hydroxykynurenine bound to eye lens proteins induces oxidative modifications in crystalline proteins through a type I photosensitizing mechanism
Artículo
Acceso abierto Artículo Universidad de Chile
3-Hydroxykynurenine bound to eye lens proteins induces oxidative modifications in crystalline proteins through a type I photosensitizing mechanism
Ávila, Felipe et al · Elsevier Inc · 2019 · ISSN 18734596
Photosensitized reactions mediated by endogenous chromophores have been associated with the etiology of age-related cataract disease. Endogenous chromophores such as 3-hydroxykynurenine (3OHKN) can be found in both free ...
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Antibiotic Susceptibility Patterns and Prevalence of Streptococcus Agalactiae Rectovaginal Colonization Among Pregnant Women in Iran
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Antibiotic Susceptibility Patterns and Prevalence of Streptococcus Agalactiae Rectovaginal Colonization Among Pregnant Women in Iran
Mina Dashtizade et al · Federação Brasileira das Sociedades de Ginecologia e Obstetrícia · 2020 · ISSN 0100-7203
Abstract Objective Streptococcus agalactiae is an important pathogen in neonates and pregnant women. Neonatal invasive infections due to S. agalactiae are life-threatening and preventive strategies for this challenge o...
LCC TENDOkd5bmVjb2xvZ3kgYW5kIG9ic3RldHJpY3M~Idioma eng
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Carbon supported PtNiCu nanostructured particles for the electro-oxidation of ethanol in acid environment
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Carbon supported PtNiCu nanostructured particles for the electro-oxidation of ethanol in acid environment
Castagna, Rodrigo Martín et al · Elsevier · 2020 · ISSN 2468-6069
Four carbon supported trimetallic PtNiCu nanostructured catalysts have been successfully synthesized by a two-step chemical/electrochemical reduction route. Nanoparticles with average sizes in the range of 2.2–3.5 nm w...
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Characterization of the Non-Volatiles and Volatiles in Correlation with Flavor Development of Cooked Goat Meat as Affected by Different Cooking Methods
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Characterization of the Non-Volatiles and Volatiles in Correlation with Flavor Development of Cooked Goat Meat as Affected by Different Cooking Methods
Sylvia Indriani et al · Springer Nature · 2024 · ISSN 2636-0772
Abstract Thai-Native×Anglo-Nubian goat meat cooked by grilling (GR), sous vide (SV), and microwave (MW), was compared to fresh meat (Raw) in terms of flavor development. Non-volatile [i.e., free amino acids, nucleotide-...
LCC TENDOkZvb2QgcHJvY2Vzc2luZyBhbmQgbWFudWZhY3R1cmU~; LCC:Animal cultureIdioma eng
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