Results 11 to 20 of about 19,139 (205)
Sentiment Analysis of Customer Feedback in Online Food Ordering Services
Business Systems Research, 2021 Background: E-commerce websites have been established expressly as useful online communication platforms, which is rather significant. Through them, users can easily perform online transactions such as shopping or ordering food and sharing their ...
Nguyen Bang, Nguyen Van-Ho, Ho Thanh
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Emisiones de gases de efecto invernadero y sectores clave en Colombia
El Trimestre Económico, 2021 El incremento de la temperatura en los últimos 50 años ha tenido serios efectos sobre la economía, por lo cual es necesario tomar medidas de mitigación para atenuar sus efectos.
Gustavo Hernández
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Desindustrialización y terciarización. El avance hacia una creciente integración servicios-industria
El Trimestre Económico, 2021 En todos los países avanzados el empleo en el sector industrial ha perdido peso, aunque en bastantes casos ha mantenido la participación en el producto interno bruto (PIB) o ha disminuido poco como consecuencia, sobre todo, de las mejoras en la ...
Juan R. Cuadrado-Roura
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Immersion/Electroless Deposition of Cu on Ta [PDF]
, 2004 Continuous Cu films are deposited on Ta by a two-step process; galvanic displacement of Ta by Cu from ammonium fluoride solutions and subsequent electroless Cu deposition from a formaldehyde-containing bath. The conditions necessary for good adhesion are
Li, Hongqi +3 more
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Journal of Orthopaedic Translation, 2019 Background: Accurate knowledge of the intervertebral center of rotation (COR) and its corresponding range of motion (ROM) can help understand development of cervical pathology and guide surgical treatment.
Yan Yu +7 more
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El Trimestre Económico, 2021 Mediante un modelamiento de insumo-producto para medir sensibilidades y cambios estructurales de la producción, este estudio analiza cómo han evolucionado éstos en la economía chilena, y, en especial, la importancia que tiene el sector de la minería del ...
Sergio Soza-Amigo +2 more
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Unnested islands of period-doublings in an injected semiconductor laser [PDF]
, 2001 We present a theoretical study of unnested period-doubling islands in three-dimensional rate equations modeling a semiconductor laser subject to external optical injection.
Krauskopf, B +2 more
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Local transport in a disorder-stabilized correlated insulating phase [PDF]
, 2005 We report the experimental realization of a correlated insulating phase in 2D GaAs/AlGaAs heterostructures at low electron densities in a limited window of background disorder.
A. F. Andreev +11 more
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El Trimestre Económico, 2020 Antecedentes y objetivo: La industria automotriz mexicana se ha convertido en una de las más fuertes a nivel mundial; genera notables aportaciones al producto interno bruto (PIB) y crea empleos directos e indirectos, al promover la entrada de inversión ...
Carlos Manuel Garcia-Remigio +3 more
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Effect of glucose and sucrose on survival in batch culture of Streptococcus mutans C67-1 and a noncariogenic mutant, C67-25 [PDF]
Infection and Immunity, 1976 The growth and survival of two strains of Streptococcus mutans in 5% (wt/vol) glucose or sucrose broth was investigated. S. mutans strain C67-1 showed little loss of viability after 30 h of incubation in batch culture in the presence of either sugar. S.
H D, Donoghue, H N, Newman
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