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1201
Thermomechanical Performance of fr-4 Laminates in the Manufacturing Process of Printed Circuit Boards.
Publicado 2016“…To join them, a solder paste of tin, silver and copper alloy (Sn-Ag-Cu) is applied on the PCB surface; then the PCB is processed into a reflow oven at temperature range of 24oC-250oC allowing the solder paste to flow and join the electronic components with the PCB, an operation called “reflow process”. In 2006 the Restriction of Hazardous Substances (RoHS) prohibited the use of lead (Pb) in solder paste, which has a melting temperature around 180oC, whereas lead-free solder pastes have a melting point around 230oC, 30oC-40oC higher than Pb solder paste, this has generated PCB thermo mechanical problems due to the temperature increase at which the material is exposed. …”
Enlace del recurso
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1202
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1203
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1204
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1206
Una experiencia de aprendizaje servicio en el contexto de la pandemia por covid-19
Publicado 2023Enlace del recurso
Artículo -
1207
El trueque en la trayectoria de un ciudadano-consumidor: Una vista autoetnográfica
Publicado 2022Enlace del recurso
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1208
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1209
Las fórmulas rutinarias como herramienta de cortesía en la entrevista sociolingüística. Una aplicación al discurso de hablante mayores de 54 años = Routine formulas as a tool for p...
Publicado 2015“…On the basis of a definition of “pragmateme” as a lexical unit, which combines two full semantic units and is determined by a high degree of pragmatic and sociocultural restriction, we describe its functioning in greeting acts and gratitude expressions within the specific situation of the sociolinguistic interview. …”
Enlace del recurso
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1210
Frequency and genotypes of Chlamydia trachomatis in patients attending the obstetrics and gynecology clinics in Jalisco, Mexico and correlation with sociodemographic, behavioral, a...
Publicado 2017“…Positive samples were genotyped using PCR–restriction fragment length polymorphism assays. Sociodemographic, behavioral, and biological data were collected. …”
Enlace del recurso
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1211
Composition of Prosobranchia-Pulmonata (Mollusca: Gastropoda) in rocky intertidal zone in the Marine Priority Region 32, Guerrero, Mexico
Publicado 2017“…Twenty three species were found with broad distribution, 27 taxa with frequent distribution and 54 taxa with restricted distribution. Twenty eight species were represented by a single organism and 6 species with 2 organisms, these species were considered rare and were found in sites whose characteristic wave exposure is low to medium. …”
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1212
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1213
Sexually transmitted pathogens, coinfections and risk factors in patients attending obstetrics and gynecology clinics in Jalisco, Mexico
Publicado 2016“…HPV was detected by Polimerase Chain Reac- tion (PCR), and its genotype was determined by Restriction Fragment Length Polymorphism (RFLP). Trichomonas vaginalis, HSV-1, HSV-2, Mycoplasma genitalium, Neisseria gonorrhoeae and T. pallidum were detected by multiplex PCR. …”
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1214
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1215
Caracterización molecular de razas severas y débiles del virus de la tristeza de los cítricos
Publicado 2005“…Afterward, we examined its polymorphisms with restriction enzymes that allowed differentiation between weak and severe races. …”
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1216
Recursos alternativos para la identificación de Aspergillus spp. y la determinación de su potencialidad en la producción de aflatoxinas
Publicado 2005“…The isolates of Aspergillus spp (A. orizae, A. tamarii, A. pseudotamarii, A. sojae, A. niger, A. flavus, A. ochraceus, A. terreus, Eurotium chevalieri) were analyzed by restriction analysis of PCR-ITS amplification from rDNA. …”
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1217
Recursos alternativos para la identificación de Aspergillus spp. y la determinación de su potencialidad en la producción de aflatoxinas
Publicado 2005“…The isolates of Aspergillus spp (A. orizae, A. tamarii, A. pseudotamarii, A. sojae, A. niger, A. flavus, A. ochraceus, A. terreus, Eurotium chevalieri) were analyzed by restriction analysis of PCR-ITS amplification from rDNA. …”
Enlace del recurso
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1218
Colorimetría como predictor de colgajos libres
Publicado 2021“…Se realizaron 4 colgajos radiales, 3 colgajos anterolaterales de muslo, 2 colgajos de la perforante de la arteria epigástrica inferior profunda (DIEP) y 1 colgajo lateral de brazo. …”
Enlace del recurso
Enlace del recurso
Tesis -
1219
Colorimetría como predictor de colgajos libres
Publicado 2021“…Se realizaron 4 colgajos radiales, 3 colgajos anterolaterales de muslo, 2 colgajos de la perforante de la arteria epigástrica inferior profunda (DIEP) y 1 colgajo lateral de brazo. …”
Enlace del recurso
Enlace del recurso
Tesis -
1220
Respuesta antioxidante de Yarrowia lipolytica en ausencia del gen CAT3
Publicado 2018“…The auxotrophy and the CAT3 gene deletion were used for the mutant cell selection, besides PCR and restriction enzyme reactions showed the integration of disruption cassette at the correct locus. …”
Enlace del recurso
Tesis