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Search Results: 1 - 10 of 168387 matches for " E. Burgos "
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Contradiction between Conservation Laws and Orthodox Quantum Mechanics  [PDF]
M. E. Burgos
Journal of Modern Physics (JMP) , 2010, DOI: 10.4236/jmp.2010.12019
Abstract: In this paper, it showed that the orthodox version of quantum mechanics contradicts the idea that conservation laws are valid in individual processes of measurement.
Evidence of Action-at-a-Distance in Experiments with Individual Particles  [PDF]
M. E. Burgos
Journal of Modern Physics (JMP) , 2015, DOI: 10.4236/jmp.2015.611168
Abstract: We make a brief historical revision of action-at-a-distance in quantum mechanics. Non-locality has been mostly related to systems of two particles in an entangled state. We show that this effect is also apparent in some experiments with individual particles. An easily performed experiment in this regard is introduced.
Success and Incoherence of Orthodox Quantum Mechanics  [PDF]
M. E. Burgos
Journal of Modern Physics (JMP) , 2016, DOI: 10.4236/jmp.2016.712132
Abstract: Orthodox quantum mechanics is a highly successful theory despite its serious conceptual flaws. It renounces realism, implies a kind of action-at-a-distance and is incompatible with determinism. Orthodox quantum mechanics states that Schrödinger’s equation (a deterministic law) governs spontaneous processes while measurement processes are ruled by probability laws. It is well established that time dependent perturbation theory must be used for solving problems involving time. In order to account for spontaneous processes, this last theory makes use of laws valid only when measurements are performed. This incoherence seems absent from the literature.
Self organization in a minority game: the role of memory and a probabilistic approach
E. Burgos,Horacio Ceva
Physics , 2000, DOI: 10.1016/S0378-4371(00)00292-2
Abstract: A minority game whose strategies are given by probabilities p, is replaced by a 'simplified' version that makes no use of memories at all. Numerical results show that the corresponding distribution functions are indistinguishable. A related approach, using a random walk formulation, allows us to identify the origin of correlations and self organization in the model, and to understand their disappearence for a different strategy's update rule, as pointed out in a previous work
Stress Analysis on Single-Crystal Diamonds by Raman Spectroscopy 3D Mapping  [PDF]
E. J. Di Liscia, F. álvarez, E. Burgos, E. B. Halac, H. Huck, M. Reinoso
Materials Sciences and Applications (MSA) , 2013, DOI: 10.4236/msa.2013.43023
Abstract:

Results on stress analysis for single-crystal diamonds are presented. Isolated crystals were studied by Raman mapping and depth profiling techniques, using confocal microscopy. Diamonds were deposited on molybdenum and tantalum by hot filament and microwave CVD methods at growth rates between 10 and 30 μm·h-1. Crystals from 10 to 40 μm size were examined. Local stress was evaluated by analyzing the position, broadening and splitting of the 1332 cm-1 Raman peak in a 3D mapping. For the (001) orientation, the most stressed zone was found at the center of the crystal base, close to the interface with the substrate: a Raman peak around 1340 cm-1 was measured, corresponding to a pressure c.a. 3 GPa, according to our dynamical calculations. This peak disappears few microns out of the center, suggesting that this highly concentrated stress sector was the nucleation zone of the crystal. A shifting and slight broadening of the 1332 cm-1 band was observed in the rest of the crystal. The causes of these effects are discussed: they proved not to be due to anisotropic stress but to refractive effects. Same results were found for different crystal sizes and growth rates.

Morphological and Physiological Responses of Weedy Red Rice (Oryza sativa L.) and Cultivated Rice (O. sativa) to N Supply  [PDF]
Marites A. Sales, Nilda R. Burgos, Vinod K. Shivrain, Brad Murphy, Edward E. Gbur
American Journal of Plant Sciences (AJPS) , 2011, DOI: 10.4236/ajps.2011.24068
Abstract: Red rice (Oryza sativa L.), a noxious weed in rice production, competes with cultivated rice for nutrients. Accumulation of more N in red rice than in cultivated rice may be due to a mechanism different from that of cultivated rice. To test this assumption, red rice and cultivated rice were grown in nutrient solution to compare their growth and physiological responses to N supply. Experimental design was a split-plot, where main plot factor was rice type (Stf-3, ‘Wells’); split-plot factor was N treatment [T1 (complete nutrient solution); T2 (–NH4NO3); T3 (+NH4NO3 for 24-h post-N deficiency); and T4 (+NH4NO3 for 48-h post-N deficiency)]. Nitrogen deficiency was defined as N sufficiency index (NSI) < 95%. Height, tiller number, biomass, and root morphology were monitored to determine morphological responses. Stf-3 red rice had significantly greater growth measurements than Wells in terms of shoot and root characteristics. At T4, Stf-3 showed higher increment in root length and surface area than Wells. Shoot tissue concentrations of N and total sugars were measured to determine physiological response in N-deficient and N-supplemented plants. Stf-3 had greater N and sucrose tissue concentrations at N-deficient conditions compared with Wells, implying a stress-adaptive molecular mechanism regulated by N and sucrose availability.
Annotated list of the Phlebotominae (Diptera) of Suriname
Burgos, A. M.;Hudson, J. E.;
Memórias do Instituto Oswaldo Cruz , 1994, DOI: 10.1590/S0074-02761994000200009
Abstract: phlebotomine sandflies were collected between 1952 and 1984 at 30 localities in the tropical rainforest and savanna regions of suriname. thirty-nine species were identified in the collections (2 brumptomyia, 37 lutzomyia), including two known vectors of cutaneous leishmaniasis, lutzomyia flaviscutellata and l. umbratilis. nineteen of the species are new records for suriname. in the rainforest region, the commonest phlebotomines were l. squatniventris maripaensis (79.8%), l. umbratilis (8.4%) and l. flaviscutellata (6.3%) in human bait catches, l. umbratilis (26.2%), l. infraspinosa (23.9%) and l. trichopyga (8.3%) in cdc light traps and l. umbratilis (84.3%), l. whitmani (6.8%) and l. shannoni (4.3%) in collections from tree trunks. the mean incidence of cutaneous leishmaniasis from 1979-1985 was 4.9 per 1000 inhabitants for the rainforest region and 0.66 per 1000 for surinameas a whole.
PREPARACIóN Y CARACTERIZACIóN DE COMPUESTOS DE ASOCIACIóN ENTRE EL ACETATO, PROPIONATO Y BUTIRATO DE RODIO(II) CON ?-CICLODEXTRINA
Burgos,Ana E; Sinisterra,Rubén D;
Revista Colombiana de Química , 2010,
Abstract: this article describes the preparation and characterization of rhodium (ii) acetate, propionate and butyrate, and their inclusion and/or association compounds with ?-cyclodextrin (?cd). the characterization of the compounds in this study was performed by elemental analysis (chn), ftir spectroscopy, thermal analysis (tg/dtg/dsc), xrd powder pattern diffraction, 1hand 13c nuclear magnetic resonance in solution 13c, and 31pcp/ mas nmr in solid state. besides, experiments for the determination oflongitudinal t1 relaxation times were also used. the results indicated the formation of inclusion or association compounds between rhodium (ii) carboxylates (acetate, propionate or butyrate) and ?-cyclodextryn.
Higher arithmetic Chow groups
J. I. Burgos Gil,E. Feliu
Mathematics , 2009,
Abstract: We give a new construction of higher arithmetic Chow groups for quasi-projective arithmetic varieties over a field. Our definition agrees with the higher arithmetic Chow groups defined by Goncharov for projective arithmetic varieties over a field. These groups are the analogue, in the Arakelov context, of the higher algebraic Chow groups defined by Bloch. The degree zero group agrees with the arithmetic Chow groups of Burgos. Our new construction is shown to be a contravariant functor and is endowed with a product structure, which is commutative and associative.
Parasites of the flatfish Paralichthys adspersus (Steindachner, 1867) (Pleuronectiformes) from northern Chile
Oliva, Marcelo E;Castro, Raúl E;Burgos, Rodrigo;
Memórias do Instituto Oswaldo Cruz , 1996, DOI: 10.1590/S0074-02761996000300009
Abstract: three species of protistan and 22 species of metazoan parasites were obtained from a sample of 179 flatfish, (paralichthys adspersus) taken-off antofagasta, northern chile. prevalence of infection of seven parasites (protista: 1, copepoda: 2, digenea: 1, acantocephala: 1, nematoda: 2) was significantly and positively correlated with host size. host's sex do not seem to affect prevalence of infection, except for nybelinia surmenicola, capillaria sp. and anisakis sp. (prevalence of infection significantly greater in males than females) and philometra sp. (prevalence higher in females). mean abundance is correlated with size in nine species (protista: 1, copepoda: 2, digenea: 3, acantocephala: 1, nematoda: 2). host's sex do not affect mean abundance, except for cainocreadium sp. and philometra sp.(mean abundance higher in females) and nybelinia surmenicola, capillaria sp. and anisakis sp. (mean abundance higher in males).
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