Resultados de búsqueda - (metilo OR were)*

Prácticas Profesionales: Fernanda Álvarez: El Norte y Leonardo Rojas "Czerwonski": El Horizonte por Guerra Dávila, Christian Eugenio

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Synthesis of 3-oxo-3-phenyl-2,2,5-trimethyl-1,3-oxaphosphorinanes and their tetrafluoroborate salts por López Cortina, Susana, Elizondo Martínez, Perla, Pérez Rodríguez, Nancy, Hernández Fernández, Eugenio, Fernández Zertuche, Mario

“…The synthesis and characterization of cis- and trans-3-oxo-3-phenyl-2,2,5-trimethyl-1,3-oxaphosphorinanes (7a and 7b) and their corresponding tetrafluoroborate salts (3a and 3b), heterocyclic organophosphorus compounds not previously reported in the literature, was accomplished. They were fully characterized by H, C and P NMR. It was established the relative configuration of these compounds on the basis of an X-ray diffraction study of oxide 7a.…”
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Semiconducting thin films of CuSbS2 por Messina, Sarah, Hernández, Paz, Peña Méndez, Yolanda

“…A direct optical band gap of approx. 1.57 eV and a p-type electrical conductivity of 10^-3 (?cm)^-1 were measured. These optoelectronic characteristics show perspective for the use of CuSbS2 as a suitable absorber material in photovoltaic applications.…”
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Surface plasmon excitation and manipulation in disordered two-dimensional nanoparticle arrays por Coello, Víctor, Cortes, Rodolfo, García Ortiz, César Eduardo, Elizondo V., Nora

“…We present experimental and numerical results of simultaneous surface plasmon polariton (SPP) excitation and in-plane manipulation with random arrays of gold nanoparticles. The recorded images were obtained by using leakage radiation microscopy (LRM) for the excitation wavelength of 633 nm and for di®erent densities of particles. …”
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Measuring of Mycobacterium tuberculosis growth: a correlation of the optical measurements with colony forming units por Peñuelas Urquides, Katia, Villarreal Treviño, Licet, Silva Ramírez, Beatriz, Rivadeneyra Espinoza, Liliana, Said Fernández, Salvador, León, Mario Bermúdez de

“…The quantification of colony forming units (cfu), turbidity, and optical density at 600 nm (OD600) measurements were used to evaluate Mycobacterium tuberculosis growth. …”
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Measuring of Mycobacterium tuberculosis growth: a correlation of the optical measurements with colony forming units por Peñuelas Urquides, Katia, Villarreal Treviño, Licet, Silva Ramírez, Beatriz, Rivadeneyra Espinoza, Liliana, Said Fernández, Salvador, León, Mario Bermúdez de

“…The quantification of colony forming units (cfu), turbidity, and optical density at 600 nm (OD600) measurements were used to evaluate Mycobacterium tuberculosis growth. …”
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Diterpenes Synthesized from the Natural Serrulatane Leubethanol and Their in Vitro Activities against Mycobacterium tuberculosis por Escarcena, Ricardo, Pérez Meseguer, Jonathan, Del Olmo, Esther, Alanís Garza, Blanca Alicia, Garza González, Elvira, Salazar Aranda, Ricardo, Waksman de Torres, Noemí

“…Seventeen new derivatives of the natural diterpene leubethanol, including some potential pro-drugs, with changes in the functionality of the aliphatic chain or modifications of aromatic ring and the phenolic group, were synthesized and tested in vitro by the MABA technique for their activity against the H37Rv strain of Mycobacterium tuberculosis. …”
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Partial loss compensation in dielectric-loaded plasmonic waveguides at near infra-red wavelengths por García, C., Coello, Víctor, Han, Z., Radko, I. P., Bozhevolnyi, S. I.

“…The mode propagation, coupling efficiency and stimulated emission were characterized using leakage radiation microscopy. …”
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Nanohardness and Residual Stress in TiN Coatings por Hernández, Luis Carlos, Ponce, Luis, Fundora, Abel, López, Enrique, Pérez, Eduardo

“…TiN films were prepared by the Cathodic arc evaporation deposition method under different negative substrate bias. …”
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Petrological and geochemical (major-, trace-, and rare earth element) data of the Triassic El Tranquilo Group, Deseado Massif, Patagonia, Argentina por Jenchen, Uwe

“…From samples of the Middle to Late Triassic El Tranquilo Group (El Tranquilo anticline, Deseado Massif, Patagonia) petrographic (qualitative and modal) analyses and geochemical analyses (major, trace elements, and rare earth elements (REEs)) of 80 samples were carried out. The data presented here contain a broad overview of photomicrography, recalculated modal point-count data, geochemical raw data, and simple statistics of selected geochemical parameters. …”
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Personality, an affective factor that influences young-adult students : speaking teaching strategies por Sáenz Guerra, Jacqueline Aimé

“…This study is based on the action research methodology in which various instruments, such as observation, survey, and interview, were applied. It was identified that the atmosphere led to an interaction where the students felt comfortable to participate. …”
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Case for diagnosis. Infraorbital schwannoma por Reyna Rodriguez, Irving Llibran, Chávez Álvarez, Sonia, Ocampo Candiani, Jorge

“…Histopathology revealed an encapsulated neoplasm within the dermis; composed by narrow, elongated, and wavy cells with an ill-defined cytoplasm, dense chromatin and tapered ends interspersed with collagen fibers. Pathologic findings were consistent with tissue of Antoni B pattern. …”
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Tourists perceptions of Caribbean islands facing environmental threats before the COVID-19 health crisis: Holbox Island and Archipelago of Bocas del Toro por Rubio Cisneros, Nadia T., Ruiz Aymá, Gabriel, González Rojas, José Ignacio, Montero Muñoz, Jorge L., Rubio Cisneros, Igor Ishi, Morales, Sara, Pech, Monica, Baker, Rachel, Jimenez, Armando, Fuentes, Karen

“…Data from the tourists´ surveys were analyzed by summing up the number of responses for each answer category of each survey question. …”
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Eco-Friendly Reduction of Graphene Oxide by Aqueous Extracts for Photocatalysis Applications por Verástegui Domínguez, Luz Hypatia, Elizondo Villarreal, Nora, Martínez Delgado, Dora Irma, Gracia Pinilla, Miguel Ángel

“…Degradation efficiencies of 60% and 90% were obtained with these materials.…”
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The use of electrochemical noise in the study of nanometric coatings por Gaona Tiburcio, Citlalli, López Cazares, Irene, Cabral Miramontes, José Ángel, Zambrano Robledo, Patricia del Carmen, Uruchurtu Chavarín, J.

“…This chapter presents the study and analysis of the application of nanometric films of SS 304 and nanometric Al/Cr and Cr/Al bilayers deposited on different aluminum and steel alloys by magnetron sputtering and DC sputtering. The materials were characterized by scanning electron microscopy (SEM) and electrochemical noise in order to consider their application as high corrosion resistance coatings. …”
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Design and manufacturing of a propeller for axial-flow fan por Almazo, D., Toledo, M., Rodríguez, C.

“…Later, the hub and the clamps were also modeled. Finally, NX 7 also made possible to create post-processed files to the required machine. …”
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Influence of the regularization scheme in the QCD phase diagram in the PNJL model por Saucedo Rincón, Jonathan, Paz, Antonio, Flores Baez, Francisco Vicente, Ibarra Morones, José Rubén

“…In this study, a polynomial and a logarithmic potential were used. On the other hand, a regularization scheme that satisfies the thermodynamics properties such as the Stefan–Boltzmann limit was chosen.…”
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Political cycle, real exchange rate and aggregate supply in México por Gámez Garza, Cesáreo

“…The period under analysis goes from 1981 to 2007, in which there were five presidential elections: 1982, 1988, 1994, 2000 and 2006. …”
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OUR SPANISH HERITAGE IN TEXAS por McLean , Malcolm

“…He said that he was primarily interested in works of history, articles and literature that were contemporary with the frontier process in the Southwest, adding, however, that he had a limited reading knowledge of the Spanish language, and therefore he preferred to use works in English. …”
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CLASSROOM INTERACTION & INSTRUMENTAL TEXTS por Ancira, Sara

“…Introduction The aim of this paper is to explore from a discourse point of view. the structure of some written instructions of some exercises that were utilized in the course Linguistics and the English Teacher. …”
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