Aspectos macro e microeconômicos das reformas brasileiras

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Mutual occlusion between real and virtual elements in Augmented Reality based on fiducial markers

Augmented Reality (AR) systems which use optical tracking with fiducial marker for registration have had an important role in popularizing this technology, since only a personal computer with a conventional webcam is required. However, in most these applications, the virtual elements are shown only in the foreground a real element does not occlude a virtual one. The method presented enables AR environments based on fiducial markers to support mutual occlusion between a real element and many virtual ones, according to the elements position (depth) in the environment. © 2012 IEEE.

Ideological elements in the process of formulating population policies

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Method for evaluating the significance of macro-economic variables in the analysis of technology incorporation decisions

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Study of the influence of the rare earth elements (Ce3+ and Ce4+) concentration on the siloxanes coating applied on the copper surface

This work studied the influence of the rare earth (Ce3+ and Ce4+) elements concentration in polysiloxane flints deposited on copper by dip-coating process, and evaluated their resistance in a 3.5 wt.% NaCl medium. Classical electrochemistry techniques were used as open circuit potential, polarization curves and electrochemical impedance spectroscopy. The results revealed that by adding low concentration of Ce4+ ions, the coating prevents the electrolyte uptake any longer retarding the substrate degradation consequently. ©The Electrochemical Society.

Agricultural sector policy and macro-economic planning

Hace algunas observaciones respecto de los principales acontecimientos macroeconomicos en Trinidad y Tabago desde 1973, y procura insertar el desempeno del sector agricola en ese contexto.

Condutividade elétrica da solução nutritiva e acúmulo de macro e micronutrientes no cultivo de crisântemo

The study of growth and uptake of nutrients is important to determine the times of increased demand in order to schedule the fertigation. The present research was developed with the objective of evaluating the effects of different levels of electrical conductivity on growth and accumulation of nutrients in chrysanthemum plants under greenhouse conditions. The electrical conductivity levels on the applied solution were 1.42, 1.65, 1.89, 2.13 and 2.36 dS m-1 (bud vegetative stage); 1.71, 1.97, 2.28, 2.57 and 2.85 dS m-1 (bud stage). The dry mass of the aerial portion of the plant and the contents of macronutrients and micronutrients were determined every 14 days. The nutrient accumulation in chrysanthemum plant showed similar trend as compared to dry matter accumulation. The nutrients presented the following order of absorption: K>N>Ca>Mg>P>S (1425, 892, 184, 150, 110 and 59 mg plant-1) and Fe>Zn>B>Mn>Cu (2254, 2219, 1725, 1287, 210 μg plant-1). The content of most nutrients increased with increase in electrical conductivity of the solution, without salt effect up to EC of 2.85 dS m-1.

Structural elements of spiralling inflation

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The interplay of macro- and microeconomics

The statement starts with a balance of the 15-years period of the economic reforms occurred in the region, up to the Mexican financial crisis in 1995. The main lesson to be drawn from this period refers to the need of supplementing and reinforcing macro-economic policy, together with the application of public policy measures at the micro-, meso-, and institutional levels, in order to support productive modernization, the development of financial and labour markets and the establishment or strengthening of institutions which can help to create an environment conducive to development. Further on, the statement explains the strategies proposed by ECLAC for overcoming the obstacles to accelerated growth within a framework of stability, social equity and democracy. These refer to expanding gross domestic product, increasing productivity and providing more and better jobs. In order to achieve this goal it is necessary to ensure macroeconomic equilibria in its broader sense, raise the level of national saving and channel it into productive investment, as well as an accelerated and systematic incorporation of production and management techniques designed to raise productivity in a growing number of firms. In the last part, the statement refers to the situation of the United Nations and honors the memory of Dr. Raúl Prebisch, on the tenth anniversary of his death.

Water rights markets: institutional elements

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An integrated macro-model for the Caribbean subregion

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Interacciones entre macro y microeconomía

La exposición se inicia con un balance de los quince años de reformas económicas transcurridos en la región hasta la crisis financiera mexicana de 1995. La principal enseñanza que puede obtenerse del período se refiere a la necesidad de complementar y reforzar la política macroeconómica con la aplicación de medidas de política pública a nivel microeconómico, mesoeconómico e institucional, para apoyar la modernización productiva, el desarrollo de los mercados financieros y laborales y la creación o consolidación de instituciones que contribuyan a crear un ambiente propicio al desarrollo. A continuación se exponen las principales orientaciones de la estrategia de desarrollo propuesta por la CEPAL, destinadas a superar los obstáculos que impiden acelerar el crecimiento, en un marco de estabilidad, equidad y democracia. Estas se refieren a los objetivos de expansión del producto, aumento de la productividad y generación de empleo. Para conseguirlos se plantea la necesidad de mantener los equilibrios macroeconómicos en su sentido amplio, de lograr un aumento del ahorro nacional y su canalización hacia inversiones productivas, y de obtener una acelerada y sistemática incorporación de técnicas de producción y de gestión tendientes a elevar la productividad de un número creciente de empresas. En la última parte se refiere a la situación de Naciones Unidas y rinde homenaje a la memoria de Raúl Prebisch, quien falleciera hace diez años.

Institutional elements of a new diplomacy for development: notes for a book of memoirs

Examina las caracteristicas principales de la nueva diplomacia para el desarrollo, originada a partir de la primera reunion de la UNCTAD, y su evolucion hasta la actual situacion de estancamiento derivada de la existencia de un fuerte conflicto de interes entre los paises desarrollados y en desarrollo, agravada por un conjunto de problemas institucionales. Subraya la necesidad de romper el presente estancamiento en el dialogo Norte-Sur y sugiere algunas medidas encaminadas a lograrlo.

Acerca de la conceptualización del comportamiento de la fecundidad en los modelos macro económico-demográficos

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