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381
Moda, media y mediana de la altura del relieve mexicano
Published 2020“…El área estudiada comprende todo el territorio nacional: 1) se trabajó sobre un universo superior a los 9 mil millones de celdas; 2) los 225 m2 que cubre cada celda es la mayor resolución que se ha logrado obtener para la escala nacional; 3) de estas, 58 % cae dentro de un promedio altitudinal de los 1 040 metros sobre el nivel del mar (m. s. n. m.), mientras que el rango 0-100 m. s. n. m. corresponde a la moda, pues dicho intervalo se repite en 18 % de las celdas, en tanto que la mediana ocupa el valor de 1 045; 4) se determinó con un criterio analógico que la pequeña ciudad de Zumpango del Río, Guerrero, se sitúa sobre el promedio altitudinal, en tanto que, territorialmente hablando, la demarcación municipal de Axochiapan, Puebla, presenta el promedio altitudinal de la nación; y 5) respecto a la moda, las localidades de Puerto Vallarta, Jalisco, y Acayucan, Veracruz de Ignacio de la Llave, son una buena representación de dicha tendencia e Ixtlán del Río, Nayarit, con sus 1 044 m. s. n. m., representaría la mediana.…”
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382
Eficiencia de coagulación de la moringa oleífera en aguas superficiales de diferente turbiedad
Published 2023“…Se realizaron pruebas de jarras para las dosis de coagulante de 0, 5, 10, 15, 20 30 y 40 mgL-1 y se procedió al mezclado usando la propuesta de Okuda et al. (2001).El coagulante de moringa fue extraído usando soluciones de agua destilada, cloruro de sodio 1N y agua de mar. Las mediciones se efectuaron por cuadruplicado. …”
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383
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384
History and progress of antiviral drugs: from acyclovir to direct-acting antiviral agents (DAAs) for Hepatitis C
Published 2015“…The development of antiviral drugs is a very complex process. Currently, around 50 drugs have been approved for human use against viruses such as HSV, HIV-1, the cytomegalo virus, the influenza virus, HBV and HCV. …”
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385
Influence of the Capping Ligand on the Band Gap and Electronic Levels of PbS Nanoparticles through Surface Atomistic Arrangement Determination
Published 2018“…Experimental results (UV−vis−NIR, Fourier transform infrared, and Raman spectroscopies, cyclic voltammetry, transmission electron microscopy, and electron energy loss spectroscopy) showed a marked influence of the capping ligand nature on the electro-optical properties of PbS nanoparticles with a very similar size. Differences were observed in the atomistic arrangement on the nanoparticle surface and phonon vibrations with the different capping ligands. …”
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386
Human rights in higher education and its application in the social environment
“…In conclusion, the teachers consider that their knowledge is very important and they believe that the interaction between teachers and students, as well as the opinion of the students, are paramount; The learning that the student has must serve to interpret reality and have as a consequence a mental change and they agree that the family and society are an important part of the teaching-learning process.…”
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387
Estimating resistive and dielectric effects during microwave heating of Fe0.22Ni0.67Mn2.11O4
Published 2009“…Permittivity and resistivity are very sensitive to chemical composition; therefore it is difficult to extrapolate properties from similar materials as can be done with thermal properties. …”
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388
Effects of pericytes and colon cancer stem cells in the tumor microenvironment
Published 2019“…Pericytes are also capable of tumor homing and are important cellular components of the tumor microenvironment (TME), contributing to the formation of vessels and promoting metastasis; however, they have not been considered very important as a therapeutic target in cancer. …”
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389
Academic self-efficacy in first year students college of health sciences
Published 2014“…The results obtained by comparing students of health sciences, with students from other disciplines show that perceived self-efficacy in academic behaviors is very similar each other.…”
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390
Conditional betas and Market re-definition: Revisiting the capital asset pricing model with Mexican data
Published 2012“…A size effect was also found, although it is not very important. In spite of the empirical support found for the conditional CAPM over the static CAPM, both specifications explain about half of the monthly average return variation, which calls for differences in the pricing of risk between developed and emerging countries…”
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391
Insights into the structure of MoS2/WS2 nanomaterial catalysts as revealed by aberration corrected STEM
Published 2012“…Molybdenum disulfide/Tungsten disulphide (MoS2/WS2) is a compound very useful for its properties; it is used as lubricant, catalyst in hydrodesulfuration, in hydrogen fuel storage, etc. …”
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392
Practical methods for the morphological recognition and definitionof genera, with a comment on polychaetes (Annelida)
Published 2020“…There are very few publications dealing with methods for the morphological recognition of genera, and how they can be defined, in comparison to those available dealing with species issues. …”
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393
Microbiota gastrointestinal y síndrome de intestino irritable
Published 2014“…As a matter of fact, a very recent systematic review of the literature has reported that probiotics were superior to placebo due to a lower frequency of IBS symptom persistence (55.8% vs. 73.1%).4 In addition, probiotics were shown to be superior to placebo in the improvement of overall symptoms, abdominal pain, subjective abdominal bloating, and flatulence. …”
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394
Evaluación de Bacillus thuringiensis israelensis (Vectobac 12 ASa) sobre la población larval de Aedes aegypti en el área metropolitana de Monterrey, N. L, México.
Published 2003“…En el presente estudio se probo el bioinsecticida Vectobac 12 AS, formulado a base de Bacillus thuringiensis var israelensis el cual fue aplicado en camiones pipa que distribuyen agua a diversas comunidades del área metropolitana, de tal manera, que una vez que la comunidad recibe dicho recurso, este ya contiene un producto que interrumpirá el ciclo biológico del Aedes aegypti (L) vector del virus del dengue.…”
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395
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396
Evaluation of the odd-even effect in limits of detection for electron microprobe analysis of natural minerals
Published 2009“…However, to the best of our knowledge very few LOD data are available in published literature for electron microprobe analysis; these consist of three papers, two being on rare-earth elements and the third covering a large number of elements of atomic number between 21 and 92. …”
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397
Mapa de mercado, una herramienta estratégica (Market map, a strategic tool)
Published 2004“…The author proposes a strategic matrix that provides to the market analyst a tool to very low cost, in order to try to know its competitive position present, as well as the one of its opponents and the tendency towards where their commercial possibilities are directed.…”
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398
Quality and high yield synthesis of Ag nanowires by microwave-assisted hydrothermal method
Published 2015“…Results showed that dimensions and shape of nanowires were very susceptible to changes with reaction parameters. …”
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399
Adaptation and content validity by expert judgment of the Oral Health Impact Profile applied to Periodontal Disease.
Published 2017“…The kappa coefficient showed perfect agreement for items 1 to 6 (k= 1) and 8 to 14, and very high agreement for item 7 (k= 0.967). Conclusion: The OHIP14-PD shows content validity. …”
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400
System identification applied to a single area electric power system under frequency response
Published 2021“…The results of the performance and simulation analysis exhibit that using the SI technique, fifth, fourth and third-order systems were obtained that graphically show a very small estimation error compared to the original signal, this fact could be check simulating the simplified models using the same input-output data. …”
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