Listar IIT por fecha de publicación
Mostrando ítems 401-420 de 2001
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Purification and glutaraldehyde activation study on HCl-Doped PVA–PANI copolymers with different aniline concentrations
(2019-01-01)In this work, we report the synthesis and purification of polyvinyl alcohol-polyaniline (PVA–PANI) copolymers at different aniline concentrations, and their molecular (1H-NMR and FTIR), thermal (TGA/DTG/DSC), optical ... -
Valoración del impacto climático en las principales ciudades de la frontera norte de México
(UNAM, 2019-01-01)Se evaluó el impacto del cambio climático para escenarios de forzamiento RCP 4.5 y 8.5 de los siguientes 15 y 100 años en las ciudades de Tijuana, Mexicali, Nogales, Heroica Ciudad Juárez, Piedras Negras, Nuevo Laredo y ... -
Lean-Sigma for product improvement using the VoC for enhancing the product competitiveness
(Springer, 2019-01-01)Managers are using metrics such as productivity, quality, and low costs, to reach their objectives and keep companies success; however, customer expectations in the twenty-first century are not only including deliveries ... -
Burnout and Obesity in Middle and Upper Management in the Manufacturing Industry of Baja California
(IGI Global, 2019-01-01)Globally, companies are increasingly considering the importance of mental health in workers and their relationship with productivity, which has led to increased research on work stress, which showed that there is a ... -
Spin glass behavior in La0.7Ca0.23Sr0.07MnO3 nanofibers obtained by electrospinning
(2019-01-02)This work contributes to the development of new nanostructured mixed valence manganites and to explore and optimize their magnetic properties at 1-D level. Nanofibers of La0.7Ca0.23Sr0.07MnO3 manganite were fabricated ... -
Burnout syndrome in middle and senior management in the industrial manufacturing sector of Mexico
(2019-01-04)Due to globalization and the accelerated growth of technology, ever more employees of companies are affected by burnout syndrome, the psychological nature of which requires a prolonged response to chronic interpersonal ... -
Urban Land Cover Type Influences CO2 Fluxes within Phoenix, Arizona
(American Meteorological Society, 2019-01-07)Modification of land surface characteristics by urbanization should have an impact on local energy, water and carbon cycles. For instance, cities are responsible for more than 70% of the global anthropogenic CO2 emissions, ... -
Prototype for a Mobile Collaborative Augmented Reality Application of the Game Checkers
(2019-01-15)Currently, mobile devices enjoy great popularity and have increasingly better technological capabilities that enable them as adequate devices to run augmented reality applications and collaborative augmented reality ... -
Giant low-field magnetocaloric effect in Si alloyed Ni-Co-Mn-In alloys
(2019-01-15)For NiMn-based Heusler alloys, simultaneously achieving high magnetization difference and low thermal hysteresis across the magnetostructural transformation is of crucial importance to obtain large low-field actuated ... -
Towards a Logic lab on the Cloud: Desktop and Mobile Sessions
(2019-01-15)This case study proposes a novel system of the Internet as a service for Answer Set Programming (ASP) solvers, keeping open sessions for registered users, in such a way they can work ASP knowledge bases anywhere, without ... -
Reconstruction of PET Images Using Cross-Entropy and Field of Experts
(2019-01-18)The reconstruction of positron emission tomography data is a difficult task, particularly at low count rates because Poisson noise has a significant influence on the statistical uncertainty of positron emission tomography ... -
A New Hydrometeorological Testbed in Northern Mexico for Improved Weather Forecasts and Climate Monitoring
(American Meteorological Society, 2019-01-19)In northern Mexico, climate change may translate into an increase in extreme weather and more prolonged drought. The existing capability to monitor, assess, and predict the weather and climate of this region is hindered ... -
A New Chaotic Oscillator—Properties, Analog Implementation, and Secure Communication Application
(2019-01-23)This paper reports a new 3-dimensional autonomous chaotic system with four nonlinearities. The system is studied with respect to its numerical solutions in phase space, including sensitive dependence on initial conditions, ... -
Evaluation of in vitro bioactivity and in vitro biocompatibility of Polycaprolactone/Hyaluronic acid/Multiwalled Carbon Nanotubes/Extract from Mimosa tenuiflora composites
(2019-01-24)The development of biomaterial scaffolds and implementation of tissue engineering techniques are necessary. Therefore, Polycaprolactone/Sodium Hyaluronate/Multiwalled Carbon Nanotubes/Extract of Mimosa tenuiflora composites ... -
A generalization of multiplication modules
(2019-01-31)We are extended definition of multiplication modules to M-multiplication modules when M is a sigma[M]-module. Then we are extended results to this class of modules, especially in case when M is a semiprime Goldie module. -
Organic Semiconductors
(Springer Nature Switzerland, 2019-01-31)One of the most exciting opportunities in electronics, optoelectronics or flexible electronics is to be able to make devices based on organic semiconductors. Organic active materials can exhibit many advantages such as ... -
Enhanced magnetocaloric effect in rapidly solidified HoNi2 melt-spun ribbons
(2019-02-05)The structural, magnetic and magnetocaloric properties of HoNi2 melt-spun ribbons were investigated by X-ray diffraction, magnetization and specific heat measurements. The as-solidified ribbons samples produced are single ... -
Seat Occupancy Detection Based on a Low-Power Microcontroller and a Single FSR
(2019-02-08)This paper proposes a microcontroller-based measurement system to detect and confirm the presence of a subject in a chair. The system relies on a single Force Sensing Resistor (FSR), which is arranged in the seat of the ... -
Business Model as a Tool for Supply Chain Horizontal Collaboration
(2019-02-22)Horizontal collaboration, seen as the new alternative from the traditional vertical integration, is a strategic tool that SMEs are using to gain competitive advantage inside a supply chain. As a strategic alliance between ...