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3421
Synthesis and characterization of metal nanoparticles by pulsed laser ablation in liquid media (PLAL)
Publicado 2015“…In this thesis we report an easy, fast, alternative-novel and one-step method for the preparation of pure and stable (in some cases) noble metal nanoparticles, viz Pulsed Laser Ablation in liquid media; this method presents significant advantages over chemical routes as: pure metal nanoparticles production, less aggregation, non-vacuum requirements, non-toxic agents are required, size and shape tunability, between others. …”
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3422
La responsabilidad de los servidores públicos en un estado de derecho
Publicado 2005Enlace del recurso
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3423
Shrimp Production Results in Experimental Ponds in Ecuador with Presence of WSSV: Three Lucky Strikes or Three Indications of Hope for the Shrimp Industry?
Publicado 2019“…Since the very first appearance of White Spot Syndrome Virus (WSSV) in April 1999 inCentral and South America, massive mortalities of Pacific white shrimp, Litopenaeusvannamei (Boone), in semi-intensive ponds are occurring. In very few cases shrimpsurvival is above 25 %. Three experiments were conducted in Ecuador from March 2000 toMay 2001 to compare production results of shrimp directly stocked in 100 m2 ponds at150000 PL-12 / Ha. …”
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3424
La consulta popular en México: un replanteamiento para superarlainoperabilidad a la luz de los primeros resultados y los modelos Latinoamericanos.
Publicado 2017“… The figure of popular consultation recently emerged in the Mexican legal framework alongside the citizen initiative and the independent governments.By virtue of this new tool of democratic participation, it is necessary to question about the efficiency of it (a question that must be analyzed in the other two), assesing the aspects to be improved –if applicable-in order to give full validity to the emphatic attempt, to create more solid links between the government and the participation of its citizens, condition that strengthens a country’s governance.This approach arises, since an analysis of the fisrt cases to conduct varied popular consultations in the electoral day from 2015 was done and all the requests studied were dismissed by the Highest Court, who is previously in charge of the analysis of the constitutionality of the consultations, stating that, all the raised issues were prohibited by the Constitution.This has led to a recent debate in different latitudes about the suitability of reformulate the figure, since it is nowadays a model of participation that seeks to empower the citizen, however, from the 2015 experience and with the aim of providing full validity to the civilian right of participating, is convenient to study the constitutional limitations not to plumb in the depths of absurdity having on one side the constitutional requirement of national transcendence, an on the other hand, theinconstitutionality and therefore the inoperativity of the consultation by the extent of the contitutional restrictions. …”
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3425
Efecto del control conductual percibido en el consumo de drogas ilícitas en adolescentes
Publicado 2020“…El objetivo fue verificar la relación entre el control conductual percibido y el consumo de drogas en adolescentes que estudian en preparatoria, bajo la hipótesis: Los adolescentes que han consumido alguna droga evidencian puntuaciones más altas de bajo control conductual que aquellos que no han consumido. …”
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3426
Estrés escolar, estrategias de afrontamiento y consumo de alcohol, tabaco y marihuana en adolescentes de secundaria
Publicado 2021“…En la dimensión de estresores escolares fue diferente significativamente por sexo (U=5033.00, p= .015) observándose puntuaciones más altas en los hombres (…”
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3427
Mesoamerican salamanders (Amphibia:Caudata) as a conservation focal group
Publicado 2021“…La mayoría de las especies del nivel de prioridad de conservación uno, están ubicadas en la Mesa Central, la Sierra Madre Occidental, la Sierra Madre Oriental, la Sierra Madre del Sur, la Sierra de Los Tuxtlas, las tierras altas de Centroamérica nuclear occidental y oriental, las tierras altas del Istmo de Centroamérica y las tierras altas del este de Panamá. …”
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3428
Estrés escolar, estrategias de afrontamiento y consumo de alcohol, tabaco y marihuana en adolescentes de secundaria
Publicado 2021“…En la dimensión de estresores escolares fue diferente significativamente por sexo (U=5033.00, p= .015) observándose puntuaciones más altas en los hombres (…”
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3429
Sphingomyelinase Activity ofTrichomonas vaginalisExtract and Subfractions
Publicado 2013“…Trichomoniasis is one of the most common acute sexually transmitted curable diseases, and it is disseminated worldwide generating more than 170 million cases annually. Trichomonas vaginalis is the parasite that causes trichomoniasis and has the ability to destroy cell monolayers of the vaginal mucosa in vitro. …”
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3430
Remote ischemic preconditioning as treatment for non-ischemic gastrointestinal disorders: beyond ischemia-reperfusion injury
Publicado 2014“…Treatment varies in each specific disease, but at least in the cases of RE and IBD immunosuppressors are effective. …”
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3431
Hypocholesterolemia in patients with an amebic liver abscess
Publicado 2014“…Liver function tests correlated with the size of the abscess. The most severe cases of amebic liver disease or death were found in patients whose cholesterol levels continued to decrease despite receiving antiamebic treatment and hospital care. …”
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3432
Correlations between major risk factors and closely related Mycobacterium tuberculosis isolates grouped by three current enotyping procedures: a population-based study in northeast...
Publicado 2014“…The isolates showing similar genotypes were distributed as follows: SMR (5%), SM (12.5%), SR (1.67%), MR (0%), S (46.67%), M (5%) and R (0%). The remaining 35 cases were orphans. SMR exhibited a significant correlation (p < 0.05) with visits to clinics, municipalities and comorbidities (primarily diabetes mellitus). …”
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3433
Developing a mixed reality assistance system based on projection mapping technology for manual operations at assembly workstations.
Publicado 2016“…Operational models in manufacturing sisters cased of x-to-order paradigms (e.g. assembly-to-order) may require manual operations to speed-up the ramp-up time of new product configuration assemblies. …”
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3434
Direct endonasal approach with partial upper posterior septectomy. a “rescue flap” technique modification
Publicado 2017“…Main Outcome Measures Since April 2015, we have performed 19 cases employing a direct endonasal approach with partial superior septectomy. …”
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3435
Electrochemical Corrosion of Ferritic 409 and 439 Stainless Steels 409 and 439 in NaCl and H2SO4 solutions
Publicado 2016“…Based on this fact, it was decided the incorporation of stainless steels (SS), especially in parts which are exposed to environment, such as exhaust pipes, where the 409 SS tops the production list and in some cases replaced by the 439 SS. This study makes a comparative performance evaluation between ferritic steels 409 and 439, in different electrolytes that are important to automotive industry like 5% brine as simulating saline environment, 3.5% sulfuric acid (H2SO4) solution and water as the blank, with the purpose to identify their corrosion behavior. …”
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3436
Use of Ensemble Learning to Improve Performance of Known Convolutional Neural Networks for Mammography Classification
Publicado 2023“…The computational results demonstrate the effectiveness of the proposed methodology, with models achieving 82% accuracy without overtaxing our hardware capabilities, and they also highlight the efficiency of ensemble algorithms in enhancing accuracy across all test cases.…”
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3437
Pharyngeal mucosal closure in total laryngectomy: comparison between vertical and T-shaped closure
Publicado 2024“…Pharyngocutaneous fistula was the most common complication, observed in 40.4% of cases (n = 23). No difference in the rate of complications was observed between groups, with the exception of tracheal dehiscence which was reduced in patients with T-shaped closure (n = 2, 4.7% vs. n = 5, 35.7%, p = 0.002). …”
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3438
Modeling mexican electricity market: experimental results
Publicado 2010“…It was applied to the Mexican electricity market data to obtain Nash equilibrium in the perfect competition and Cournot cases, as well as open market scenario with international trade with the USA.…”
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3439
Developing a mixed reality assistance system based on projection mapping technology for manual operations at assembly workstations.
Publicado 2016“…Operational models in manufacturing sisters cased of x-to-order paradigms (e.g. assembly-to-order) may require manual operations to speed-up the ramp-up time of new product configuration assemblies. …”
Enlace del recurso
Tesis -
3440
Estudio del uso de bauxita en la fabricación de refractarios AZS para hornos de vidrio
Publicado 2013“…Los materiales refractarios más utilizado en hornos de fusión de vidrio son los ladrillos de AZS, los cuales son capaces de permanecer en contacto con vidrio fundido a muy altas temperaturas, sin embargo debido al alto costo de la zirconiaes necesario evaluar materias primas alternativas…”
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Artículo