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Blanca E. Cavazos Cisneros,Sagrario Garay Villegas Institute of Iberoamerican Studies Pusan Universit 2013 International Journal of Latin American Studies Vol.3 No.1
Resumen. En los últimos cincuenta años México ha experimentado grandes transformaciones políticas, económicas, sociales, culturales y demográficas. Uno de esos cambios ha sido la creciente incorporación de las mujeres al mundo del trabajo extradoméstico, mismo que ha implicado importantes modificaciones en las formas tradicionales de vida familiar y laboral. Los cambios a nivel macro social de las últimas décadas impactan en la estructura de los hogares considerados tradicionales en México, donde el hombre jugaba el rol de único proveedor y la mujer de ama de casa, modificándose la dinámica de las familias y las parejas conyugales, esto último puede tener su expresión en los procesos de comunicación e interacción. Estos aspectos se revisarán en este trabajo a través de la comparación y análisis descriptivo de la información obtenida en dos encuestas, una a nivel nacional y otra a nivel estatal, mismas que proporcionan detalles sobre las relaciones intrafamiliares y de pareja. Entre los principales resultados encontrados se observa que no hay diferencias importantes en la comunicación entre las parejas donde trabajan ambos cónyuges y en donde solo trabaja uno solo, pues la tendencia en términos de expresar sus preocupaciones, problemas y tomar en cuenta la opinión del otro son muy parecidas entre los distintos tipos de parejas en los dos contextos analizados. Otro de los resultados es el asociado con la satisfacción de la vida en pareja, mientras que en Nuevo León los hombres y las mujeres perciben su relación más satisfactoria, a nivel nacional dicha percepción es menor. Abstract. In the last fifty years Mexico has experienced political, economic, social, cultural and demographic changes. One of these changes has been the increasing incorporation of women to the extradomestic work; it has implicated important modifications in traditional forms of work and family life. The macro changes of the last decades have impacted the traditional structure of households in Mexico, where man played the role of provider and woman of housewife, altering the dynamics of families and marital couples, this last can be expressed in the processes of communication and interaction of couples. These aspects will be reviewed in this paper through the comparison and descriptive analysis of the information obtained in two surveys; one at national level and another at the State level, both provide details on intra-family relations and couple relation. The main results are: there is no important differences in communication between couples where both work and where only works one, because the expression of their concerns, problems and opinions are very similar between different types of couples in the contexts analyzed. Another result is the associated with the satisfaction of life as a couple, while in Nuevo Leon men and women perceive their most satisfying relationship, at the national level this perception is less. Palabras clave: parejas conyugales, trabajo, comunicación, interacción y satisfacción. Key words: cohabiting couples, work, communication, interaction and satisfaction.
Blanca H. Hintermeyer,Eduardo L. Tavani 대한환경공학회 2017 Environmental Engineering Research Vol.22 No.2
Chromium(III) recovery from tanning wastewater by means of adsorption on activated carbon and elution with sulfuric acid was studied. Tests were carried out at laboratory scale on an effluent of industrial origin. Initially, proteinaceous materials and fats were separated via sieving followed by ultrafiltration. The chemical composition of the sample thus precleansed was (in g/L): 1.09 chromium(III); 10.36 sulfate; 11.10 sodium; 9.57 chloride; 0.40 proteinaceous materials; and 0.20 fats. Adsorptions were made at 20, 30, and 40°C, establishing what temperature favored chromium(III) uptake. At 40°C, the maximum cation fixation was 40.2 mg/g, and the lowest content in an equilibrium solution was 3.9 mg/L. As regards sodium, chloride, and sulfate, the concentrations before and after the treatment were similar. Likewise, it was found that protons were also retained, modifying the pH of the liquid medium. Adsorption isotherms were analyzed using the Langmuir, Temkin, and Freundlich models. Finally, the extraction of the adsorbed tanning agent with sulfuric acid was evaluated. A recovery of 96.5% was achieved with 0.9 N at 70°C (13.23 g/L Cr<SUP>3+</SUP>; 42.98 g/L sulfate; and 0.40 g/L NaCl).
Subunit Principle: Key Element for Plantar Reconstruction with Free Sensate Flaps
Blanca Yadira Arambula Sanchez,Daniel De Luna Gallardo,Jaime Aron Garcia-Espinoza,David Flores Soto 대한수부외과학회 2021 대한수부외과학회지 Vol.26 No.1
Purpose: Plantar wounds represent a frequent practice of the plastic and reconstructive surgeon. The uniqueness and high complexity of the microarchitecture and biomechanics of the plantar region explain the complex challenge of its reconstruction. With the advances in microsurgery, including the plantar subunit principle, both applied in the restoration of plantar defects through the use of sensorineural free flaps have allowed an optimal reconstruction. Methods: A descriptive, retrospective study was carried out in a period of time established between January 2016 and January 2019, obtaining a total of 18 patients with plantar defects, reconstructed using sensory free flaps. Tissue stability, recovery of protective sensitivity, early ambulation, and correct use of footwear were evaluated. Results: The most frequent etiology was secondary to oncological resections due to melanoma (n = 12, 66.7%), followed by gunshot wounds (n = 4, 22.2%). Subunit 3 was the most frequently involved in 38.9% (n = 7). In the 88.8% of the cases, was used an anterolateral thigh flap (n = 16) and the lateral antebrachial flap in 22.2% (n = 2). The free flap survival rate was 100%. An average of seven points was obtained at 6 months based on the Semmes-Weinstein test. The mean for the return to their daily activities was 2.5 months. The patients of 94.4% (n = 17) recovered ambulation and could footwear. Conclusion: The reconstruction of plantar defects must have a systematic approached, taking the subunit principle as a central point. The treatment of plantar defects with sensorineural free flaps represent an unprecedented option for optimal reconstruction.
Regions of the human renal artery: histomorphometric analysis
Blanca Mompeó-Corredera,Pablo Hernández-Morera,Irene Castaño-González,María del Pino Quintana-Montesdeoca,Natalia Mederos-Real 대한해부학회 2022 Anatomy & Cell Biology Vol.55 No.3
The renal artery is frequently involved in the pathogenesis of vasculorenal diseases, and it is a target in kidney surgery and therapeutic techniques for refractory hypertension. However, few detailed structural studies on the human renal artery have been conducted. Using histocytochemistry, immunohistochemistry, and quantitative image analysis, the wall thickness, structure, smooth muscle cells, extracellular matrix, and proportion of elastic tissue in the tunica media of main human renal arteries were used estimated. Ninety-six tissue samples were collected from sections of the right and left main renal arteries. The results showed that the renal artery changed from an elastic vessel in its proximal segment to a muscular artery in its distal part. A critical characteristic of the renal artery was the presence of longitudinal smooth muscle cell formations in the tunica adventitia of middle and distal segments but not in the proximal part of the artery. In addition, the tunica adventitia of the renal artery showed a rich vascularization and the presence of numerous nerves profiles. The artery's regional structural and morphometric features explain that a particular arterial pathology is more frequent in a specific vessel sector than in others. In addition, those characteristics could determine a different therapeutic response attending to the arterial sector.
Blanca Patricia Lazalde-Ramos,Ana Lourdes Zamora-Perez,Ayme´e Ileana Ortega-Guerrero,Saira Zulema Quintero-Fraire,Omar Palacios-Lara,Sol Marı´a Quirarte-Baez,Carlos Galaviz-Hernandez,Martha Sosa-Macıa 한국식품영양과학회 2020 Journal of medicinal food Vol.23 No.10
Genomic instability is associated with increased oxidative stress in patients with human immunodeficiency virus (HIV). The aim of this study was to determine the effect of intake of methanolic and aqueous extracts of Rosmarinus officinalis on genomic instability in HIV patients. We studied 67 HIV patients under pharmacological treatment with ATRIPLA who were divided into three groups: group 1, patients under ATRIPLA antiretroviral therapy; group 2, patients with ATRIPLA and rosemary aqueous extract (4 g/L per day); and group 3, patients with ATRIPLA and rosemary methanolic extract (400 mg/day). The genomic instability was evaluated through the buccal micronucleus cytome assay. Oral epithelial cells were taken at the beginning and 1 and 4 months later. The groups that received the pharmacological therapy with ATRIPLA and the complementary therapy with R. officinalis extracts showed a decrease in the number of cells with micronuclei and nuclear abnormalities compared with the group that only received ATRIPLA. The complementary therapy with R. officinalis decreased the genomic instability in HIV patients.