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Hormigón con vidrio de desecho
(Universidad Católica del Maule, Facultad de Ciencias de la Ingeniería, 2009)En la actualidad el uso del hormigón ha alcanzado niveles tales que ya no sólo es utilizado como material estructural, tal como fue concebido en un principio por lo romanos a quienes se les atribuye su invención, hoy en ...
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Host plant specificity of the moth species Glena mielkei (Lepidoptera, Geometridae) in northern Chile
(2014)Background: Host plant specificity refers to the preference of insects for particular plant species that allow them to complete their life cycle. Moth species of the Geometridae family depend closely on the vegetation ...
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Hot water extraction improves the characteristics of willow and sugar maple biomass with different amount of bark
(2018)Shrub willows are being developed as a short rotation woody crop (SRWC) that can grow on marginal agricultural land. Willow has a high net energy ratio (energy produced/ fossil fuel energy consumed), low greenhouse gas ...
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How are vineyards management strategies and climate-related conditions affecting economic performance? a case study of chilean wine grape growers
(2022)In wine grape production, growers decide between alternative management strategies of the vineyard that have direct consequences on competitiveness. The aim of this study is to evaluate the impact on economic performance ...
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How do consumers perceive reformulated foods after the implementation of nutritional warnings? Case study with frankfurters in Chile
(2019)Nutritional warnings have emerged as a promising front-of-package nutrition labelling scheme to discourage consumption of products with high content of nutrients associated with non-communicable diseases. One of the ...
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How do design changes and the perception of product creativity affect value?
(2020)A considerable part of the design literature focuses on creativity and puts forward means to enhance creativity. It is assumed that boosting creativity results in product improvements and benefits for many stakeholders, ...
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How does neighbourhood socio-economic status affect the interrelationships between functioning dimensions in first episode of psychosis? A network analysis approach
(2021)The links between psychosis and socio-economic disadvantage have been widely studied. No previous study has analysed the interrelationships and mutual influences between functioning dimensions in first episode of psychosis ...
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How does parental involvement affect students' motivation? : an action research study of fourth, fifth, and sixth graders of a chilean multigrade school
(Universidad Católica del Maule, Facultad de Ciencias de la Educación, 2012)En innumerables ocasiones se ha tratado de medir y/o cuantificar el impacto que ejerce el involucramiento de los padres en el desempeño de sus respectivos hijos, lo que ha resultado en diversas investigaciones acerca del ...
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How far can you go caterpillar? Observations on Uresiphita maorialis (Felder) (Lepidoptera: Crambidae) larvae crawling away from their host plants in an urban setting
(2014)BetweenOctober2007andMarch2008,Icarriedoutfieldobservations and a semi-controlled pilot experiment to become familiar withthe biological and phenological aspects of U. maorialis. In my observations,I noticed that ...
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Human management by competencies in competitive and complex scenarios: A reflective theoretical approach
(2022)Human management is interpreted by competencies in competitive and complex scenarios. According to the documentary review of disciplinary, classic and current research; with a reflective theoretical approach using ...
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Human-environmental interaction with extreme hydrological events and climate change scenarios as background
(2022)Climate change significantly impacts the lives of all people. Global change is composed of multiple factors that affect the population differently, having a very significant impact in the Mediterranean area. Human beings, ...
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Hydrogen peroxide induced phenylpropanoids pathway eliciting a defensive response in plants micropropagated in temporary immersion bioreactors (TIBs)
(2012)The relation between the oxidative burst and phenylpropanoid pathways has been studied using the sugarcane cultivar C86-56, which does not release phenolics in agar-base micropropagation systems. In stationary liquid ...
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Hydroxypropyl methylcellulose-copper nanoparticle and its nanocomposite hydrogel films for antibacterial application
(2021)Currently, special emphasis is being given to the design and fabrication of antibacterial nanocomposite hydrogels for wound dressing applications. Herein, we report the synthesis and characterization of hydroxypropyl ...
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Hydroxytyrosol and Cytoprotection: A projection for clinical interventions
(2017)Hydroxytyrosol (HT) ((3,4-Dihydroxyphenyl)ethanol) is a polyphenol mainly present in extra virgin olive oil (EVOO) but also in red wine. It has a potent antioxidant effect related to hydrogen donation, and the ability to ...
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Hydroxytyrosol supplementation ameliorates the metabolic disturbances in white adipose tissue from mice fed a high-fat diet through recovery of transcription factors Nrf2, SREBP-1c, PPAR-γ and NF-κB
(2019)Background: White adipose tissue (WAT) have a relevant metabolic and inflammatory function, in overweight or obesity conditions. In this regard, the WAT under over feeding nutrition present a significant increment in ...
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Hysteresis in the rhombohedral–orthorhombic phase transition of KNbO3 under inhomogeneous strain
(2013)The influence of the heating rate on the low temperature phase transition (PT) of the piezoelectric crystal potassium niobate (KNO) was studied by micro-Raman spectroscopy. It is found that crystallographic defects are ...
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Ichneumonid wasps of the subfamily Mesochorinae: new replacement names, combinations and an updated key to the World genera (Hymenoptera: Ichneumonidae)
(2018)Mesochorinae is a relatively small but widely distributed subfamily of Ichneumonidae, with most species occurring in the Neotropical Region. Currently, there are two classifications in use regarding mesochorine genera, ...
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ICI reduction by using the improved double-jump 1 pulse in MQAM-OFDM schemes
(2020)Orthogonal frequency division multiplexing (OFDM) is sensitive to frequency offset since it causes inter-carrier interference (ICI). Frequency offset results from the receiver's crystal oscillator inaccuracy, Doppler spread, ...
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Ideas de los estudiantes de sexto año básico de la Comuna de Talca sobre los conceptos ecología y ecosistema: un análisis mediante redes semánticas naturales
(Universidad Católica del Maule, Facultad de Ciencias de la Educación, 2016)La investigación tuvo por objetivo analizar el significado psicológico que posee un grupo de estudiantes de sexto básico en relación a los conceptos ecología y ecosistema. La muestra corresponde a 165 estudiantes, los ...
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Ideas previas sobre la química en alumnos que ingresan a la carrera de pedagogía en ciencias de la Universidad Católica del Maule, Chile
abril, diana
; ; (2013)
Se describen preconcepciones sobre química en alumnos que ingresan a la Pedagogía en Ciencias. Se aplicaron dos test, uno de conocimientos de química y un test KPSI para declarar lo que creen saber sobre los contenidos. ...