Turismo y migración entre los mayas de Yucatán. Las nuevas milpas de Chan Kom

El artículo analiza el fenómeno del turismo en el actual contexto de globalización y postmodernidad a través de las relaciones entre Chan Kom, una comunidad maya de la península de Yucatán, y Cancún, el emporio turístico internacional. El estudio examina el diálogo entre la fragmentación social de Chan Kom, debida a la emigración a Cancún, y la mayanización de la geografía humana de Cancún. El objetivo es auscultar las diversidad de respuestas ante el aumento de las influencias del turismo entre los campesinos y emigrantes de Chan Kom. El símbolo de la milpa constituye un núcleo ideológico que muestra gran plasticidad en los esfuerzos de los diferentes grupos por legitimar su poder político dentro de la fragmentación social de Chan Kom. Se subraya particularmente el papel que el capital humano de los emigrantes desempeña en los planes de desarrollo económico de la comunidadThis article analyzes the phenomenon of tourism within the current globalizing and postmodern contexts. It is based on the relationships between Chan Kom, a Maya community in the Yucatan peninsula, and Cancun, the international tourist emporium. The study examines the dialogue between Chan Kom's social fragmentation due to out-migration to Cancun, and the Mayanization of the human geography of Cancun. The goal is to scrutinize the multifaceted responses to the expansion of tourism influences among Chan Kom's peasants and migrants. The symbol of milpa is an ideological core that shows great plasticity in different groups efforts to legitimize their political power within Chan Kom's social fragmentation. Particular emphasis is placed on the role that migrants' human capital plays in the community plans for economic development

Investigation of CAST-10-2/DOA 2 airfoil in NAE high Reynolds number two-dimensional test facility

A common airfoil model with the CAST 10-2/DOA-2 profile and 228 mm (9 inches) chord length was tested. The tests performed in NAE covered the Mach numbers from 0.3 to 0.8 and Reynolds numbers from 10 to 30 million. The model was tested with transition free and with transition fixed at 5 percent chord for both the upper and the lower surfaces. The data obtained were analyzed for the effects of Reynolds number, transition fixing and Mach number. The role of the boundary layer on the displacement effect, the interaction with the shock wave and the trailing edge separation are examined. The results are summarized as follows: (1) the airfoil performance depends strongly on Reynolds number and transition fixing; (2) with transition fixed, the aerodynamic quantities such as lift, pitching moment and drag show a monotonic variation with Reynolds number; (3) with transition free, the aerodynamic quantities vary less regularly with Reynolds number and a slight parametric dependency is shown. The weak dependency is due to the compensatory effect of the forward shift of the transition position and the thinning of the turbulent boundary layer as Reynolds number increases; (4) the shock Mach number and the shock position are weakly dependent on Reynolds number; and (5) the long extent of the laminar boundary layer at transonic speeds reduces the drag appreciably at low Reynolds numbers. The drag bucket around the design Mach number can be observed below Reynolds number 15 million

Capsaicin mimics mechanical load-induced intracellular signaling events: involvement of TRPV1-mediated calcium signaling in induction of skeletal muscle hypertrophy.

Mechanical load-induced intracellular signaling events are important for subsequent skeletal muscle hypertrophy. We previously showed that load-induced activation of the cation channel TRPV1 caused an increase in intracellular calcium concentrations ([Ca ( 2+) ]i) and that this activated mammalian target of rapamycin (mTOR) and promoted muscle hypertrophy. However, the link between mechanical load-induced intracellular signaling events, and the TRPV1-mediated increases in [Ca ( 2+) ]i are not fully understood. Here we show that administration of the TRPV1 agonist, capsaicin, induces phosphorylation of mTOR, p70S6K, S6, Erk1/2 and p38 MAPK, but not Akt, AMPK or GSK3β. Furthermore, the TRPV1-induced phosphorylation patterns resembled those induced by mechanical load. Our results continue to highlight the importance of TRPV1-mediated calcium signaling in load-induced intracellular signaling pathways

Chan Chan: Chronology and Stratigraphic Contents

En el presente estudio se determinó de qué manera el programa de Coaching Farmacéutico contribuye al desarrollo profesional de los empleados en la Botica Torres de Lima Tambo (BTL) 013 - Pueblo Libre durante el mes de marzo del 2015. Mediante la realización de un análisis FODA, se examinó las deficiencias que presenta el personal de la BTL 013, en la formación cognitiva, organizacional y con mayor énfasis en el ámbito personal. El tamaño de la muestra fue el total de la población que abarca a 8 Técnicos en Farmacia. Se aplicó un trabajo comparativo sobre el diagnóstico inicial (pre test) y el diagnóstico final (post test) una vez aplicado el programa. Para evaluar de esta manera q el efecto que produce la aplicación del programa de coaching. Los resultados demuestran que la aplicación del coaching farmacéutico tiene un efecto positivo sobre el desarrollo del personal técnico en farmacia. Las principales conclusiones a las que se arribaron en la investigación fueron: El programa de coaching farmacéutico, mejora sustancialmente el desarrollo cognitivo del personal técnico en farmacia, esto se demostró mediante la comparación de las medias antes y después del programa. El programa de coaching farmacéutico, mejora sustancialmente el desarrollo cognitivo, organizacional y personal del técnico en farmacia, esto se demostró mediante la comparación de las medias antes y después del programa

Diagnosis and typology of mountainous irrigated systems: Van Chan district, Yen Bai Province, Vietnam

L'histoire récente du Vietnam a été marquée par vingt dernières années de transition, passant d'une économie socialiste à une économie de marché. Dans le domaine agricole, les politiques récentes ont causés d'importants changements jusque dans des zones plus reculées comme les régions montagneuses du Nord du pays. Concernant l'irrigation, une diversification des modes de gestion des systèmes irrigués a été constatée dans le district de Van Chan, province de Yen Bai, situé dans ces zones de montagne. C'est l'histoire, mais aussi les contraintes du milieu naturel dans lequel évoluent les paysans qui déterminent la diversité des situations observées aujourd'hui. Une typologie des systèmes irrigués de montagne mettant en évidence cette diversité a été établie, élaborée en synthétisant l'étude de plusieurs systèmes irrigués du district de Van Chan :- Type 1 : Très petits systèmes irrigués de montagne gérés par un ou quelques foyers d'usagers ;- Type 2 : Petits systèmes irrigués de contrefort/bas de pentes gérés par le village ;- Type 3 : Moyens systèmes irrigués de plaine/fond de vallée décomposée en 3 sous-types en fonction des modes de gestion ; - Type 4 : Grands systèmes irrigués de grande plaine gérés par une entreprise étatique. La topographie est un critère déterminant de cette typologie, elle définit les principales tâches de la gestion de l'irrigation dans les montagnes (surveillance et entretien du réseau). Dans le district étudié, la gestion de l'irrigation est réalisée par différentes unités de gestion : les usagers, les chefs de villages, les comités populaires des communes ou une entreprise étatique. Au Vietnam, l'année 2008 a été marquée par plusieurs changements dans le domaine de la gestion de l'irrigation. Dans le district de Van Chan, les répercussions de ces grands changements ne peuvent encore être constatées, et laissent les paysans dans une situation encore instable. (Résumé d'auteur

Comparative studies on yield potential of some hevea clones in Cambodia

Cambodian Rubber Research Institute is carrying out researches on tapping systems to assess the influence of intensity of stimulation on yield at a given tapping frequency 1/2S d/3 7d/7. The objectives of these trials are to determine the yield potential of each clone at various intensity of hormonal stimulation. Five clones have been studied since March 2005. These clones are IRCA111, PB330, GT1, IRCA230 and AF261. Each trial consists of Fisher block design with 3 replications and four treatments per replication. Two protocols of stimulation were set up for different clones. The preliminary results show that the highest yields for the clone IRCA111 and PB330 are obtained with ET 1.5% Pa 1(1) 5/y (75 mg) and ET 2.5% Pa 1(1) 2/y (50 mg), respectively. Interestingly, the clones GT1 and IRCA230 give significant high yield at the most intensive treatments, ET 2.5% Pa 1(1) 6/y (150 mg). However, the clone AF261 does not response to more intensive stimulation system than ET 1.5% Pa 1(1) 5/y as the same yields are obtained at different intensities of stimulation. The clone GT1 gives the highest yield at increased stimulation intensity compared with other clones. (Texte intégral