Search Results - sample ((frequency analisis) OR (frequency analysis))

Frequency–Time Domain Analysis Based on Electrochemical Noise of Dual-Phase (DP) and Ferrite–Bainite (FB) Steels in Chloride Solutions for Automotive Applications by Almeraya Calderón, Facundo, Montoya Rangel, Marvin, Nieves Mendoza, Demetrio, Jáquez Muñoz, Jesús Manuel, Baltazar Zamora, Miguel Ángel, Landa Ruiz, Laura, Lara Banda, María del Refugio, Maldonado Bandala, Erick, Estupiñan López, Francisco Humberto, Gaona Tiburcio, Citlalli

“…At room temperature, the steels were immersed in NaCl, CaCl2, and MgCl2 solutions and were studied by frequency–time domain analysis using wavelet decomposition, Hilbert–Huang analysis, and recurrence plots (RPs) related to the corrosion process and noise impedance (Zn). …”
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Viabilidad del método MUSIC para su aplicación en relevadores de protección de alta velocidad. by Becerra Olguín, Miguel Ángel, Corral Perales, Luis Enrique, Trujillo Guajardo, Luis Alonso, Cantú Gutiérrez, Paz Vicente

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Análisis de armónicas dinámicas con filtros de respuesta impulsional finita diseñados con O-splines by De la O Serna, José Antonio

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Electrochemical Noise Analysis: An Approach to the Effectivity of Each Method in Different Materials by Jáquez Muñoz, Jesús Manuel, Gaona Tiburcio, Citlalli, Méndez Ramírez, Ce Tochtli, Martínez Ramos, Cynthia, Baltazar Zamora, Miguel Ángel, Santiago Hurtado, Griselda, Estupiñan López, Francisco Humberto, Landa Ruiz, Laura, Nieves Mendoza, Demetrio, Almeraya Calderón, Facundo

“…The objective of this research is to characterize by EN technique different aeronautical alloys (Al, Ti, steels, and superalloys) using different analysis methods such as time domain (visual analysis, statistical), frequency domain (power spectral density (PSD)), and frequency–time domain (wavelet decomposition, Hilbert Huang analysis, and recurrence plots (RP)) related to the corrosion process. …”
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Replication of Integrative Data Analysis for Adipose Tissue Dysfunction, Low-Grade Inflammation, Postprandial Responses and OMICs Signatures in Symptom-Free Adults by Gallegos Cabriales, Esther Carlota, Rodríguez Ayala, Ernesto, Laviada Molina, Hugo A., Nava González, Edna Judith, Salinas Osornio, Rocío A., Orozco, Lorena, Leal Berumen, Irene, Castillo Pineda, Juan Carlos, González López, Laura, Escudero Lourdes, Claudia, Cornejo Barrera, Judith, Escalante Araiza, Fabiola, Huerta Ávila, Eira E., Buenfil Rello, Fatima A., Peschard, Vanessa Giselle, Silva, Eliud, Veloz Garza, Rosa A., Martínez Hernández, Angélica, Barajas Olmos, Francisco M., Molina Segui, Fernanda, Gonzalez Ramirez, Lucia, Arjona Villicaña, Ruy D., Hernandez Escalante, Victor M., Gaytan Saucedo, Janeth F., Vaquera, Zoila, Acebo Martinez, Mónica Lucía, Murillo Ramirez, Areli, Diaz Tena, Sara P., Figueroa Nuñez, Benigno, Valencia Rendón, Melesio E., Garzon Zamora, Rafael, Viveros Paredes, Juan Manuel, Valdovinos Chávez, Salvador B., Comuzzie, Anthony G., Haack, Karin, Thorsell, Ashley A., Han, Xianlin, Cole, Shelley A., Bastarrachea, Raúl A.

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Electrochemical Noise Analysis Using Experimental Chaos Theory, Power Spectral Density and Hilbert–Huang Transform in Anodized Aluminum Alloys in Tartaric–Phosphoric–Sulfuric Acid... by Martínez Ramos, Cynthia, Olguín Coca, Javier, López León, Luis Daimir, Gaona Tiburcio, Citlalli, Lara Banda, María del Refugio, Maldonado Bandala, Erick, Castañeda Robles, Ivan, Jáquez Muñoz, Jesús Manuel, Cabral Miramontes, José Ángel, Nieves Mendoza, Demetrio, Almeraya Calderón, Facundo

“…In the EN, three methods of data analysis were used: the time domain analysis (chaos analysis: application of Lyapunov exponent and dimension correlation), the frequency domain analysis (power spectral density, PSD), and the time–frequency domains analysis (Hilbert–Huang transform, HHT). …”
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Análisis estructural de dos áreas del matorral espinoso tamaulipeco del noreste de México by Pequeña Ledezma, Miguel Angel, Alanís Rodríguez, Eduardo, Jiménez Pérez, Javier, Aguirre Calderón, Oscar Alberto, González Tagle, Marco Aurelio, Molina Guerra, Víctor Manuel

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ANÁLISIS ESPACIO-TEMPORAL DEL BROTE DE LA ENFERMEDAD DEL DENGUE EN EL ÁREA METROPOLITANA DE LA CD. DE MONTERREY, NUEVO LEÓN, MÉXICO (2007) by Orta-Pesina, Héctor, Mercado-Hernández, Roberto, Galindo-Galindo, Edgar Iván, Tavitas-Aguilar, María Isabel, Mora-Gloria, Sandra P., Callejas-Mota, Judith, Chacón-Reyna, Juana María, Elizondo-Leal, José Fernando

“…Using SPSS v15, cross tables were conducted to determine the frequencies number of larvae ofAe. aegypti and containers per month of sampling. …”
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Análisis de frecuencias alélicas y genotípicas de las variantes CYP2A6*12 y rs16969968 de CHRNA5 y su asociación con el hábito de fumar y el índice de masa corporal (IMC) en sujeto... by Borrego Soto, Gissela, Costilla Esquivel, Antonio, Padilla Rivas, Gerardo Raymundo, Cázares Samaniego, Paulina Janeth, Posadas Valay, Rodolfo, Velasco Castañón, José Gerardo, Mercado Longoria, Roberto, Ortiz López, Rocío, Rojas Martínez, Augusto

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Factores determinantes del capital humano en el sector público de Tamaulipas by Bernal González, Idolina, Pedraza-Melo, Norma Angélica, Castillo-Hernández, Lázaro

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Escala de estrategias docentes para aprendizajes significativo: diseño y evaluación de sus propiedades psicométricas = Teaching strategies scale for meaningful learnings: design an... by Méndez Hinojosa, Luz Marina, González Ramírez, Mónica Teresa

“…Abstract: This article with quantitative approach aimed to design a set of subscales with evidence of validity and reliability, to measure the frequency of use of teaching strategies in the classroom, with specific objectives: 1) design a set of subscales with Likert-type items each of which assesses the frequency of use of a teaching strategy in the classroom, 2) examine the factor structure of each subscale and 3) determine the inter-item reliability for each subscale. …”
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LA INVESTIGACIÓN CUANTITATIVA Y CUALITATIVA SOBRE ANOREXIA by López Coutiño, Berenice, Torres López, Teresa M.

“…The quantitative investigation applies the survey with representative statistical sampling to express the frequency numerically with which it shows up the anorexy. …”
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Ocurrencia de fumonisinas totales y FB₁ en forrajes henificados destinados al consumo equino. by Peña Acosta, Luis Carlos

“…Le results were analyzed with a Pearson correlation test, non-parametric One-way ANOVA and a frequency analysis, using statistical software SAS® Software University Edition. …”
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Ocurrencia de fumonisinas totales y FB₁ en forrajes henificados destinados al consumo equino. by Peña Acosta, Luis Carlos

“…Le results were analyzed with a Pearson correlation test, non-parametric One-way ANOVA and a frequency analysis, using statistical software SAS® Software University Edition. …”
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The phenotype, psychotype and genotype of bruxism by Cruz Fierro, Norma, Martínez Fierro, Margarita de la Luz, Cerda Flores, Ricardo Martín, Gómez Govea, Mayra Alejandra, Delgado Enciso, Iván, Martínez de Villarreal, Laura Elia, González Ramírez, Mónica Teresa, Rodríguez Sánchez, Irám Pablo

“…Genotypic homogeneity analysis revealed no significant differences in allele frequency (P=0.612) among the four groups. …”
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Nivel de ansiedad pre y pos competencia, enfrentamiento al estrés competitivo en corredores amateur de medio fondo, del estado de Durango by Ortiz Martínez, Maria Guadalupe, Aguirre Gurrola, Hilda Bertha

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La satisfacción de clientes/deportistas y trabajadores en entidades deportivas como determinante de los servicios deportivos. by Reyes Robles, Marina

“…Method: The design of this research is descriptive, focusing qualitative, not experimental of transversal cut, the sample is of 453 athlete and 187 workers, a stratified sampling with proportional affixation by areas and gender. …”
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La satisfacción de clientes/deportistas y trabajadores en entidades deportivas como determinante de los servicios deportivos. by Reyes Robles, Marina

“…Method: The design of this research is descriptive, focusing qualitative, not experimental of transversal cut, the sample is of 453 athlete and 187 workers, a stratified sampling with proportional affixation by areas and gender. …”
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Caracterización genética de cepas de parvovirus canino presentes en el área metropolitana de Monterrey, Nuevo León by Cedillo Rosales, Domenica

“…It was found that 99.0% (103/104) of the analyzed samples were CPV positive by PCR and nested PCR. Differentiation of the subtype of CPV was carried out by PCR-RFLP analysis from 93 CPV positive samples. …”
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Caracterización genética de cepas de parvovirus canino presentes en el área metropolitana de Monterrey, Nuevo León by Cedillo Rosales, Domenica

“…It was found that 99.0% (103/104) of the analyzed samples were CPV positive by PCR and nested PCR. Differentiation of the subtype of CPV was carried out by PCR-RFLP analysis from 93 CPV positive samples. …”
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