Search Results - "Guzman, Viviana"

The comet-like composition of a protoplanetary disk as revealed by complex cyanides by Öberg, Karin I., Guzmán, Viviana V., Furuya, Kenji, Qi, Chunhua, Aikawa, Yuri, Andrews, Sean M., Loomis, Ryan, Wilner, David J.

“…The detection of complex cyanides in the protoplanetary disk around the young star MWC 480, and the similarity of their abundance ratios to those found in…”
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Driving internationalization through business model innovation: Evidences from an AgTech company by Cavallo, Angelo, Ghezzi, Antonio, Ruales Guzmán, Bertha Viviana

“…PurposeThis paper aims to investigate how a firm may innovate its business model to internationalize.Design/methodology/approachOwing to its novelty and to the…”
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Benefits on productivity indicators after quality management implementation: evidence in the dairy industry by Ruales Guzmán, Bertha Viviana, Castellanos Domínguez, Oscar Fernando

“…PurposeThis study aims to address two objectives: to analyse how the benefits of quality management (QM) are perceived on specific productivity indicators of…”
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AN OBSERVATIONAL INVESTIGATION OF THE IDENTITY OF B11244 ( l -C 3 H + /C 3 H – ) by McGuire, Brett A., Carroll, P. Brandon, Gratier, Pierre, Guzmán, Viviana, Pety, Jerome, Roueff, Evelyne, Gerin, Maryvonne, Blake, Geoffrey A., Remijan, Anthony J.

“…Pety et al. have reported the detection of eight transitions of a closed-shell, linear molecule (B11244) in observations toward the Horsehead photodissociation…”
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Quality management as a determinant factor of productivity: A systematic literature review by Ruales Guzmán, Bertha Viviana, Brun, Alessandro, Castellanos Domínguez, Oscar Fernando

“…PurposeThe purpose of this paper is threefold: first, to analyse the current state of the literature on the relationship between quality management (QM) and…”
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Measuring productivity of dairy industry companies: an approach with data envelopment analysis by Bertha Viviana Ruales Guzmán, Rodríguez Lozano, Gloria Isabel, Castellanos Domínguez, Oscar Fernando

“…PurposeThis research had two main objectives: To measure the productivity of companies in the Colombian dairy industry and to identify efficient…”
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A Survey of CH3CN and HC3N in Protoplanetary Disks by Bergner, Jennifer B., Guzmán, Viviana G., Öberg, Karin I., Loomis, Ryan A., Pegues, Jamila

“…The organic content of protoplanetary disks sets the initial compositions of planets and comets, thereby influencing subsequent chemistry that is possible in…”
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Revealing which Combinations of Molecular Lines are Sensitive to the Gas Physical Parameters of Molecular Clouds by Pety, Jérôme, Gerin, Maryvonne, Bron, Emeric, Gratier, Pierre, Orkisz, Jan H, Palud, Pierre, Roueff, Antoine, Einig, Lucas, Santa-Maria, Miriam G, de Souza Magalhaes, Victor, Bardeau, Sébastien, Chanussot, Jocelyn, Chainais, Pierre, Goicoechea, Javier R, Guzman, Viviana V, Hughes, Annie, Kainulainen, Jouni, Languignon, David, Levrier, François, Lis, Darek, Liszt, Harvey S, Jacques Le Bourlot, Franck Le Petit, Oberg, Karin, Peretto, Nicolas, Roueff, Evelyne, Sievers, Albrecht, Pierre-Antoine Thouvenin, Tremblin, Pascal

“…Atoms and molecules have long been thought to be versatile tracers of the cold neutral gas in the universe, from high-redshift galaxies to star forming regions…”
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Learning from model grids: Tracers of the ionization fraction in the ISM by Bron, Emeric, Roueff, Evelyne, Gerin, Maryvonne, Pety, Jérôme, Gratier, Pierre, Le Petit, Franck, Guzman, Viviana, Orkisz, Jan, de Souza Magalhaes, Victor, Gaudel, Mathilde, Palud, Pierre, Einig, Lucas, Bardeau, Sébastien, Chainais, Pierre, Chanussot, Jocelyn, Goicoechea, Javier, Hughes, Annie, Kainulainen, Jouni, Languignon, David, Le Bourlot, Jacques, Levrier, François, Lis, Darek, Liszt, Harvey, Öberg, Karin, Peretto, Nicolas, Roueff, Antoine, Sievers, Albrecht, Thouvenin, Pierre-Antoine, Tremblin, Pascal

“…The ionization fraction in neutral interstellar clouds is a key physical parameter controlling multiple physical and chemical processes, and varying by orders…”
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CO Line Emission Surfaces and Vertical Structure in Midinclination Protoplanetary Disks by Law, Charles J., Crystian, Sage, Teague, Richard, Öberg, Karin I., Rich, Evan A., Andrews, Sean M., Bae, Jaehan, Flaherty, Kevin, Guzmán, Viviana V., Huang, Jane, Ilee, John D., Kastner, Joel H., Loomis, Ryan A., Long, Feng, Pérez, Laura M., Pérez, Sebastián, Qi, Chunhua, Rosotti, Giovanni P., Ruíz-Rodríguez, Dary, Tsukagoshi, Takashi, Wilner, David J.

“…High spatial resolution CO observations of midinclination (≈30°–75°) protoplanetary disks offer an opportunity to study the vertical distribution of CO…”
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An Evolutionary Study of Volatile Chemistry in Protoplanetary Disks by Bergner, Jennifer B., Öberg, Karin I., Bergin, Edwin A., Andrews, Sean M., Blake, Geoffrey A., Carpenter, John M., Cleeves, L. Ilsedore, Guzmán, Viviana V., Huang, Jane, Jørgensen, Jes K., Qi, Chunhua, Schwarz, Kamber R., Williams, Jonathan P., Wilner, David J.

“…The volatile composition of a planet is determined by the inventory of gas and ice in the parent disk. The volatile chemistry in the disk is expected to evolve…”
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A Gap-sharing Planet Pair Shaping the Crescent in HD 163296: A Disk Sculpted by a Resonant Chain by Garrido-Deutelmoser, Juan, Petrovich, Cristobal, Charalambous, Carolina, Guzmán, Viviana V., Zhang, Ke

“…The Atacama Large Millimeter Array observations of the disk around HD 163296 have resolved a crescent-shape substructure at around 55 au, inside and off-center…”
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The TW Hya Rosetta Stone Project. III. Resolving the Gaseous Thermal Profile of the Disk by Calahan, Jenny K., Bergin, Edwin, Zhang, Ke, Teague, Richard, Cleeves, Ilsedore, Bergner, Jennifer, Blake, Geoffrey A., Cazzoletti, Paolo, Guzmán, Viviana, R. Hogerheijde, Michiel, Huang, Jane, Kama, Mihkel, Loomis, Ryan, Öberg, Karin, Qi, Charlie, van Dishoeck, Ewine F., van Scheltinga, Jeroen Terwisscha, Walsh, Catherine, Wilner, David

“…The thermal structure of protoplanetary disks is a fundamental characteristic of the system that has wide-reaching effects on disk evolution and planet…”
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Study of the formation of interstellar CF+ from the HF + C + →CF+ + H reaction by Denis-Alpizar, Otoniel, Guzmán, Viviana V, Inostroza, Natalia

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An ALMA Survey of H2CO in Protoplanetary Disks by Pegues, Jamila, Öberg, Karin I., Bergner, Jennifer B., Loomis, Ryan A., Qi, Chunhua, Gal, Romane Le, Cleeves, L. Ilsedore, Guzmán, Viviana V., Huang, Jane, Jørgensen, Jes K., Andrews, Sean M., Blake, Geoffrey A., Carpenter, John M., Schwarz, Kamber R., Williams, Jonathan P., Wilner, David J.

“…H2CO is one of the most abundant organic molecules in protoplanetary disks and can serve as a precursor to more complex organic chemistry. We present an…”
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Detection of Dimethyl Ether in the Central Region of the MWC 480 Protoplanetary Disk by Yamato, Yoshihide, Aikawa, Yuri, Guzmán, Viviana V., Furuya, Kenji, Notsu, Shota, Cataldi, Gianni, Öberg, Karin I., Qi, Chunhua, Law, Charles J., Huang, Jane, Teague, Richard, Le Gal, Romane

“…Characterizing the chemistry of complex organic molecules (COMs) at the epoch of planet formation provides insights into the chemical evolution of the…”
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Chemistry in Externally FUV-irradiated Disks in the Outskirts of the Orion Nebula Cluster by Díaz-Berríos, Javiera K., Guzmán, Viviana V., Walsh, Catherine, Öberg, Karin I., Cleeves, L. Ilsedore, Artur de la Villarmois, Elizabeth, Carpenter, John

“…Most stars are born in stellar clusters, and their protoplanetary disks, which are the birthplaces of planets, can, therefore, be affected by the radiation of…”
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H2CO Distribution and Formation in the TW HYA Disk by Öberg, Karin I., Guzmán, Viviana V., Merchantz, Christopher J., Qi, Chunhua, Andrews, Sean M., Cleeves, L. Ilsedore, Huang, Jane, Loomis, Ryan A., Wilner, David J., Brinch, Christian, Hogerheijde, Michiel

“…H2CO is one of the most readily detected organic molecules in protoplanetary disks. Yet its distribution and dominant formation pathway(s) remain largely…”
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Molecules with ALMA at Planet-forming Scales (MAPS): A Circumplanetary Disk Candidate in Molecular-line Emission in the AS 209 Disk by Bae, Jaehan, Teague, Richard, Andrews, Sean M., Benisty, Myriam, Facchini, Stefano, Galloway-Sprietsma, Maria, Loomis, Ryan A., Aikawa, Yuri, Alarcón, Felipe, Bergin, Edwin, Bergner, Jennifer B., Booth, Alice S., Cataldi, Gianni, Cleeves, L. Ilsedore, Czekala, Ian, Guzmán, Viviana V., Huang, Jane, Ilee, John D., Kurtovic, Nicolas T., Law, Charles J., Gal, Romane Le, Liu, Yao, Long, Feng, Ménard, François, Öberg, Karin I., Pérez, Laura M., Qi, Chunhua, Schwarz, Kamber R., Sierra, Anibal, Walsh, Catherine, Wilner, David J., Zhang, Ke

“…We report the discovery of a circumplanetary disk (CPD) candidate embedded in the circumstellar disk of the T Tauri star AS 209 at a radial distance of about…”
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Radial and Vertical Constraints on the Icy Origin of H2CO in the HD 163296 Protoplanetary Disk by Hernández-Vera, Claudio, Guzmán, Viviana V., Artur de la Villarmois, Elizabeth, Öberg, Karin I., Cleeves, L. Ilsedore, Hogerheijde, Michiel R., Qi, Chunhua, Carpenter, John, Fayolle, Edith C.

“…H2CO is a small organic molecule widely detected in protoplanetary disks. As a precursor to grain-surface formation of CH3OH, H2CO is considered an important…”
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