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Mostrando ítems 1782-1801 de 2001
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Structural and seismographic characteristics of a sector of the Magdalena Shelf, western margin of Baja California, Mexico, from 2D seismic reflection profiles
(2021-05-25)The Magdalena Shelf, located on the Pacific margin of Baja California, Mexico, is crosscut by the Tosco-Abreojos transform fault system, while the Santa Margarita and San Lazaro faults are sub-parallel and located east ... -
Structural design of biosensor: A review
(2023-10-31)The basic elements in biosensors are the recognition element, reporting element, and measuring device. The typical structure for the biosensing process to occur is the one where the recognition element is first in the ... -
Structural model to assess the relationship of manufacturing practices to delivery time in supply chains
(2018-12-10)he literature suggests that companies today evaluate the delivery time of their products/services to improve their performance in supply chains, which has great importance due to the global competition and trends in the ... -
Structural transformation of vanadate nanotubes into vanadate oxides nanostructures during the dry reforming of methane
(2019-09-20)The metal-containing vanadate nanotubes namely MeVO-NT (Me=Ni, Co or Pt) were in situ transformed into vanadate oxides nanostructures i.e., MeVxOy, during the methane dry reforming. All the experimental observations through ... -
Students’ perspectives on using YouTube as a source of mathematical help: the case of ‘julioprofe’
(2021-10-29)YouTube is one of the most popular sources of mathematical help among young students. In this study we explore the perspectives of engineering students on the use of YouTube videos with the intention of broadening our ... -
Study of CdS/CdS Nanoparticles Thin Films Deposited by Soft Chemistry for Optoelectronic Applications
(2023-05-31)Chalcogenides semiconductors are currently being studied as active layers in the development of electronic devices in the field of applied technology. In the present paper, cadmium sulfide (CdS) thin films containing ... -
Study of indium tin oxide–MoS2 interface by atom probe tomography
(2019-12)The molybdenum disulfide (MoS2) and indium tin oxide (ITO) interface were studied by atom probe tomography (APT). Raman spectroscopy, scanning electron microscopy, and grazingincidence x-ray diffraction measurements were ... -
STUDY OF MENTAL WORKLOAD AND HUMAN ERROR IN THE TOOLING DESIGN PROCESS FOR THE SOLDERING OF ELECTRONIC BOARDS.
(SEMAC, 2023)Abstract: Ciudad Juarez Mexico, a company that designs and manufactures tooling for soldering processes of electronic boards daily attends to urgent situations of customer requirements in limited periods. These situations ... -
Study of the Effect of Combining Activation Functions in a Convolutional Neural Network
(2020-11-04)Convolutional Neural Networks (CNN’s) have proven to be an effective approach for solving image classification problems. The output, the accuracy and the computational efficiency of a CNN are determined mainly by the ... -
Study of the Influence of the Molecular Weight of the Polymer Used as a Coating on Magnetite Nanoparticles
(Springer Nature, 2018-05-30)Designing coated magnetic nanoparticles for nanomedicine applications, such as magnetic resonance imaging contrast enhancement, hyperthermia, and drug-delivery, has been in the focus of scientific interest for the last ... -
Study of the thermal diffusivity of nanofluids containing SiO2 decorated with Au nanoparticles by thermal lens spectroscopy
(2019-08-05)In this work, silicon dioxide (SiO2) spheres and gold nanoparticles (Au) were prepared. The SiO2 was used as a platform to deposit the gold nanoparticles. The SiO2 structures were synthesized employing the Stöber method. ... -
Study of ZnO as buffer layer in thin film solar cells based on chalcogenide materials
(Sociedad Mexicana de Ciencias y Tecnología de Superficies y Materiales A.C., 2020-10-19)Recently, ZnO has taken importance due to its excellent optical, piezo-electric and electrooptical properties, which make it suitable for thin film optoelectronic applications such as blue light emitting devices, short ... -
Study to Determine the Relationship Between Clinical Variables Associated with Infection and Death from Rickettsiosis in Mexicali, Baja California, Mexico
(El Colegio de Chihuahua, 2021-12-12)According to (Montesino Soraca et al., 2020), Industry 4.0 has its origin as a strategy that seeks the development of technology in the industrial sector, cost reduction and streamlining of internal processes while ... -
Studying the Effect of Temperature on the Tensile Strength of an Intravascular Catheter Using a Degradation Model
(2022-06-15)The accelerated aging process is incorporated into the design and development of intravascular catheters to assess their reliability assuring that this medical device is safe and effective for the intended use during their ... -
Sujetador metálico para angulo fijo a 90 grados para aluminio extruido 45mm y tubo de 28mm
(2018)Se diseñó y fabrico un sujetador metálico para ángulo fijo a 90 grados para aluminio extruido de 45mm y tubo de 28mm de diámetro al que en lo sucesivo nos referiremos como unión C-31-AL45, permitió solucionar uno de los ... -
Sujetador metálico paralelo para aluminio extruido 45mm y tubo de 28mm
(2018)Se diseñó y fabrico un sujetador paralelo para aluminio extruido de perfil cuadrado de 45mm y tubo de 28mm de diámetro al que en lo sucesivo nos referiremos como unión C-32-AL45, permitió solucionar uno de los problemas ... -
Suministro solar alternativo para un aire evaporativo
(Academia Journals, 2020-09-26)El suministro eléctrico es incierto en diversas regiones principalmente en zonas marginales donde dependen solo empresas suministradoras, suelen haber periodos donde se quedan sin electricidad y sin poder emplear ... -
Super-Twisting Algorithm Applied to Velocity Control of DC Motor without Mechanical Sensors Dependence
(2020-11-19)A DC motor velocity control in feedback systems usually requires a velocity sensor, which increases the controller cost. Additionally, the velocity sensor used in industrial applications presents several disadvantages ... -
Superparamagnetic state in La0.7Sr0.3MnO3 thin films obtained by rf-sputtering
(2020-02-13)A novel superparamagnetic state has been observed in high quality La0.7Sr0.3MnO3 (LSMO) thin films directly grown by rf-sputtering on SiOx/Si(100) substrates. The films are nanostructured without grain boundaries, constituted ... -
Supplier Appraisal using TOPSIS under Pythagorean Fuzzy Sets
(2018-09-27)A supplier appraisal is a fundamental task within the supply chain management field; and, basically, it can be considered a multi-criteria decision-making problem. The main objective of this paper is to develop an application ...