Conference Paper

Aquellos días que tan inexplicablemente me habían dejado marcado. Apuntes sobre Polonia de Sergio Pitol

April 2011

Conference: Simposio América Plural. País invitado: México. Instituto Cervantes, Varsovia

Authors:

Monika Dabrowska

International University of La Rioja (UNIR)

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Adenosine nucleotide utilization in subtotally nephrectomized rabbits

February 1989 · Clinical Physiology and Biochemistry

Two- to three-kilogram albino rabbits were subtotally nephrectomized and compared with sham-operated normal rabbits for the muscle content of adenosine mono (AMP)-, di (ADP)- and triphosphate (ATP) and inosine monophosphate (IMP) before and after exercise. Analysis of snap-frozen, lyophilized soleus muscle showed lower levels of AMP, ATP and total adenosine nucleotide (TAN) (p less than 0.01) and ... [Show full abstract] ATP/ADP (p less than 0.02) in the subtotally nephrectomized animals. IMP levels following exercise were higher in the experimental animals. Muscle adenosine nucleotide concentrations in the experimental animals were significantly different for normals, thus suggesting that minimal azotemia could adversely affect muscle function in these animals.

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A través de un objeto tan característicamente capitalista como los automóviles el autor trata de comprender la realidad social de los habitantes del Estado de Tamaulipas (México). Pero más allá de esto el trabajo plantea la epistemología y el análisis durante el trabajo de campo, con el intento de observar la emergencia de nuevas realidades, de nuevos enfoques, de nuevas experimentalidades al ... [Show full abstract] respecto de las miradas que planteamos sobre el "otro".

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El uruguayo de Copi es un tratado sobre la lengua, una descripci?n desopilante de un pa?s, un ?cido comentario pol?tico, una burla impiadosa de los valores culturales, una pesadilla personal, un golpe de teatro donde cualquier versi?n de la realidad se vuelve precaria y se trastoca al comp?s de una imaginaci?n afiebrada que no hace m?s que dar rienda suelta a los materiales del inconsciente. Pero ... [Show full abstract] sobre todo, es la visi?n desnuda de la relaci?n imposible de un escritor con el pa?s que ha dejado atr?s. Un tratado sobre el horror de confrontarse con la realidad carcelaria del pasado. Un intento de "calmar" los fantasmas, es decir, de hacerlos hablar y moverse y morir y resucitar en una trama que transita en medio de cad?veres y mares desaparecidos y un territorio que se achica constantemente. Un texto fundamental para indagar cuestiones relacionadas con la "identidad" nacional y con las maneras en que los desplazamientos culturales (con su concomitante tr?nsito entre lenguas y visiones del mundo), tan comunes en el mundo actual, afectan la escritura.

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El matrimonio imposible de Calisto y Melibea

Enrique Jesús Rodríguez Baltanás

Uno de los enigmas de La Celestina -quizás el enigma esencial- consiste en la pregunta de por qué Calisto y Melibea no se casan, por qué excluyen, casi ab initio, la posibilidad del matrimonio. Tal cuestión ha recibido, desde la crítica decimonónica hasta el presente, diversas respuestas, sin que ninguna parezca satisfactoria del todo. ¿Se trata de una incoherencia de la obra, de un fallo en su ... [Show full abstract] construcción argumental? Aquí se examinan y discuten las diversas soluciones propuestas por la crítica, y se intenta, a través de una relectura del texto, arrojar alguna -en la medida en que ello sea posible en obra tan numerosa y sagazmente transitada- nueva y mejor luz sobre esta contienda literaria, considerada capital para medir la universalidad de la obra y para captar su verdadero sentido.

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Minorías no tan minorías

January 1988

Emilio Orte

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Unknown

August 2004

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IMPROVING ENERGY CONSERVATION USING SIX SIGMA METHODOLOGY AT FACULTY OF COMPUTER AND MATHEMATICAL SC...

May 2014

Electrical consumption is increasing rapidly in Malaysia due to the sustenance of a modern economy way of living. Recently, the Vice Chancellor of University Technology MARA, Tan Sri Dato’ Professor Ir Dr Sahol Hamid Abu Bakar has shown a great deal of concern regarding the high electrical energy consumption in UiTM’s main campus in Shah Alam. This study seeks to evaluate the factors that ... [Show full abstract] contribute to high electrical energy consumption in the Faculty of Computer and Mathematical Sciences (FSKM), UiTM using the Six Sigma methodology and to compare electrical energy consumptions before and after the EC (Energy Conservation) initiative campaign. Many companies worldwide continue to achieve improvements in business performance using the Six Sigma approach. The electrical consumption from January 2011 until December 2013 was analyzed using five stages of Six Sigma which is Define, Measure, Analyze, Improve and Control (DMAIC). The total electrical consumption for 2011 was 1, 648, 791 kwH (RM 514,422.79) and 1, 657, 808 kwH (RM 517, 236.10) in 2012 which is an increase of 0.5% (RM 2813.31 or 9017 kwH). From the results obtained, Pareto chart shows that air-conditioner (57%) is the major factor that contributes to high consumption of electricity, followed by lightings (22%), sockets (16%) and others (5%). The electrical consumption was almost doubled when the new semester begun. After the campaign, there was a reduction of 2% in electrical consumption. This study has successfully implemented Six Sigma methodology which involves a systematic DMAIC process to evaluate electrical consumption in FSKM.

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N -β-alanyldopamine metabolism, locomotor activity and sleep in Drosophila melanogaster ebony and ta...

April 2015 · Physiological Entomology

Drosophila melanogaster Meigen mutants for N-β-alanyldopamine (NBAD) metabolism have altered levels of NBAD, dopamine and other neurotransmitters. The ebony1 mutant strain has very low levels of NBAD and higher levels of dopamine, whereas the opposite situation is observed in the tan1 mutant. Dopamine is implicated in the control of movement, memory and arousal, as well as in the regulation of ... [Show full abstract] sleep and wakefulness in D. melanogaster. N-β-alanyldopamine, which is best known as a cuticle cross-linking agent, is also present in nervous tissue and has been proposed to promote locomotor activity in this fly. The daily locomotor activity and the sleep patterns of ebony1 and tan1 mutants are analyzed, and are compared with wild-type flies. The tan1 mutant shows reduced locomotor activity, whereas ebony1 shows higher levels of activity than wild-type flies, suggesting that NBAD does not promote locomotor activity. Both mutants spend less time asleep than wild-type flies during night-time; ebony shows more consolidated activity during night-time and increased sleep latency, whereas tan is unable to consolidate locomotor activity and sleep in either phase of the day. The daily level of NBAD-synthase activity is measured in vitro using wild-type and tan1 protein extracts, and the lowest NBAD synthesis is observed at the time of higher locomotor activity. The abnormalities in several parameters of the waking/sleep cycle indicate some dysfunction in the processes that regulates these behaviours in both mutants.

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On the dielectric loss and thermal bleaching of calcite irradiated by X-rays

August 1961 · Journal of Physics and Chemistry of Solids

K.V. Rao

The changes produced by X-ray irradiation in the dielectric and optical properties of calcite crystals are reported. At ordinary temperatures, the dielectric constant as well as the dielectric loss of the uncoloured crystal remains practically unchanged in the frequency region of 10 kc/s-15 Mc/s. It has been found that the temperature variation of its dielectric loss can be represented by an ... [Show full abstract] equation tan where A and B are constants; this is attributed to the movement of vacancies in the crystal.On irradiation by X-rays, calcite exhibits pronounced optical absorption in the ultraviolet region beyond 400 mμ; the dielectric loss of calcite also increases considerably on colouration. The thermoluminescence shows a very strong glow peak at 85°C with minor ones at higher temperatures. During thermal bleaching, the dielectric loss of the coloured crystal shows a prominent maximum in the temperature range 70–120°C and beyond 230°C, it varies in the same way as in the case of the uncoloured crystal. The correspondence between the change in dielectric loss and the first glow peak is possibly due to thermal release of trapped electrons. The optical absorption disappears when the crystal is heated to 350°C and on cooling to room temperature, its dielectric loss returns to its original value before colouration.

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January 2000

La erosión genética es el concepto negativo y complementario del proceso de creación de diversidad biológica. No existe erosión genética como término separado del concepto de conservación o independiente del proceso de creación o, mejor dicho, generación de la diversidad. La biodiversidad agrícola se genera y se destruye y la erosión genética es tan solo un balance neto negativo de este proceso. ... [Show full abstract] La diversidad biológica agrícola, es fruto de una continuada y concreta interrelación de las personas con su ambiente. Tiene por lo tanto una doble dimensión natural y social La lucha por el pastel de la biodiversidad cultivada se situa en plena transición desde sociedades pre-industriales a sociedades post-industriales y estas segundas, como detentadores de la hegemonía económica y cultural se valen de los derechos de propiedad intelectual para apropiarse de los recursos genéticos.

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Se sigue creciendo : estimaciones del sector para 1998 y previsiones para 1999

Antonio Aguilar

Sumario: De acuerdo a las previsiones facilitadas a esta revista por más de 60 compañías y grupos situados entre los 100 primeros del sector, representativos de importantes cuotas de mercado (60,5% en vida, 63,6% en autos y 69,2% en diversos, tomando como referencia los resultados de 1997), diversos cerrará 1998 con un crecimiento del 12,9%, mientras que vida aumentará un 8,3%, y autos tan sólo ... [Show full abstract] un 2,7%. Para el cercano 1999, el mayor incremento seguirá siendo el de diversos (14,7); vida estará en el 11,2% y autos en el 3,7%

Aquellos días que tan inexplicablemente me habían dejado marcado. Apuntes sobre Polonia de Sergio Pitol

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