Artículo en revista de investigación: Envíos recientes
Mostrando ítems 941-960 de 1007
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Kaizen Events: an assessment of their impact on the socio-technical system of a mexican company
(2018-01-01)Objective: This work assesses how the abilities developed during Kaizen events impact three variables: employees’ attitude, motivation, and impact on the work area. Materials and methods: We used a quantitative, ... -
High Amplification Scales Handling Frequency Content and Novel Gradient Sharpening Procedures
(2018-07-30)In this paper, a method for adaptive pure interpolation (PI) in the frequency domain, with gradient auto-regularization, is proposed. The input image is transformed into the frequency domain and convolved with the Fourier ... -
Driving Maximal Frequency Content and Natural Slopes Sharpening for Image Amplification with High Scale Factor
(2018-05-05)In this paper, a method for adaptive Pure Interpolation (PI) in the frequency domain, with gradient auto-regularization, is proposed. he input image is transformed into the frequency domain and convolved with the Fourier ... -
Nanoparticles for death‑induced gene therapy in cancer (Review)
(2018-01)Due to the high toxicity and side effects of the use of traditional chemotherapy in cancer, scientists are working on the development of alternative therapeutic technologies. An example of this is the use of death‑induced ... -
Detection of HER2 through Antibody Immobilization Is Influenced by the Properties of the Magnetite Nanoparticle Coating
(2018-04-02)Considerable effort has been focused on improving the control of size, shape, and surface modifications to detect proteins. The purpose of this study was to compare the efficiencies of aminosilane-coated magnetite (As-M) ... -
Factores administrativos en el despliegue efectivo de actividades de cambios rápidos: modelo de análisis factorial común
(2018-10-01)Las metodologías para cambios rápidos han sido adoptadas por muchas empresas como estrategias para ser más competitivas. Para la implementación o despliegue efectivo de estas metodologías, se han identificado factores ... -
Synthesis of Controlled-Size Silica Nanoparticles from Sodium Metasilicate and the Effect of the Addition of PEG in the Size Distribution
(2018-03-28)Silica nanoparticles are widely studied in emerging areas of nanomedicine because they are biocompatible, and their surface can be modified to provide functionalization. The size is intrinsically related to the performance ... -
Intuitionistic fuzzy dimensional analysis for multi-criteria decision making
(2018-03-08)Dimensional analysis, for multi-criteria decision making, is a math- ematical method that includes diverse heterogeneous criteria into a single di- mensionless index. Dimensional Analysis, in its current defi nition, ... -
Neural control and coordination of decentralized transportation robots
(2018-03-09)This work presents the modeling, control architecture and simulation of a decentralized multi-robot system for transporting material in a warehouse. Each robot has a task scheduler comprising two different neural networks ... -
Divergent trinocular vision observers design for extended Kalman filter robot state estimation
(2018-09-24)Here, we report the design of two deterministic observers that exploit the capabilities of a home-made divergent trinocular visual sensor to sense depth data. The three-dimensional key points that the observers can measure ... -
Reconstruction of Positron Emission Tomography Images Using Gaussian Curvature
(2018-11-15)Positron emission tomography (PET) provides images of metabolic activity in the body, and it is used in the research, monitoring, and diagnosis of several diseases. However, the raw data produced by the scanner are severely ... -
¿Es el liderazgo transformacional un predictor del compromiso afectivo y la intención de permanencia en la organización?
(2018-09-13)Actualmente las empresas enfrentan diversos cambios organizacionales, por ello es imprescindible que las firmas constantemente busquen ventajas competitivas a través del capital humano, dado que las personas son parte ... -
Effect analysis of fuse deposition modeling processes on mechanical properties of wood plastic composites
(2018-05-15)Nowadays, fuse deposition modeling is a growing fabrication technology for developing new products. When using plastics, these processes present various challenges related to fusion distribution, fuse deposition paths, ... -
Process capability index for AC transformer under electrical harmonics
(2018-01-23)Nowadays, the quality of electronic devices is subjected to many variables such as electrical, thermal, mechanical and environmental factors. Voltage variation induced by electrical harmonics presented in the power lines ... -
Kinematics and dynamics modeling of the 6-3-PUS-type Hexapod parallel mechanism
(2018-12-01)Modeling and analyzing the dynamics of mechanical systems is important for purposes of simulation, design and control. In the case of parallel manipulators, dynamics modeling becomes a complex task mainly due to the ... -
Proposal and validation of a questionnaire of evaluation of the online teaching practice through the student opinion
(2018-01)Teaching evaluation is a process in which improvements can be done in the teaching-learning process. The students are the ones who can evaluate teaching activity according to their experience and satisfaction in relation to ... -
Robustness analysis of an outranking model parameters’ elicitation method in the presence of noisy examples
(2018-01-03)One of the main concerns in Multicriteria Decision Aid (MCDA) is robustness analysis. Some of the most important approaches to model decision maker preferences are based on fuzzy outranking models whose parameters (e.g., ... -
Nueva metodología para el análisis de sistemas mecánicos utilizando modelos a escala y leyes de similitud
(2018-08-17)The failures, unexpected and catastrophic, are presented in large mechanical systems, specifically, in the electric power generation. The development of new methodologies of analysis and research to evaluate and calculate ... -
Role of product, market, and organisational characteristics on NPD benefits
(2018-08-10)This paper reports a structural equation model for associate three Critical Success Factors (CSF) for New Product Development (NPD) as market, product and organisational characteristics (as independent variables) with ... -
Replacement of electric resistive space heating by an air-source heat pump in a residential application. Environmental amortization
(2018-05-30)All-electric boilers and air source heat pumps are both powered by electric energy. However, each kWh of heat that is produced implies higher electric consumption in the former. Therefore, as a consequence of financial ...