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Area-power efficient lighting unit architecture based on hardware sharing
Rios, M. A.,Hong, S. H. IET 2012 Electronics letters Vol.48 No.12
<P>A shared lighting unit architecture suitable for mobile 3D graphics is presented. Sharing of resources is achieved by reusing a unitary vector operation, and diffuse and specular components calculation. Balance between area and power dissipation was compared with a more prevalent parallel unit architecture implementation. Results indicate that parallel implementations of the proposed shared units lead to much better area × power efficiency as more of these units are used for higher processing performance.</P>
Genetic diversity evolution in the Mexican Charolais cattle population
Rios-Utrera, Angel,Montano-Bermudez, Moises,Vega-Murillo, Vicente Eliezer,Martinez-Velazquez, Guillermo,Baeza-Rodriguez, Juan Jose,Roman-Ponce, Sergio Ivan Asian Australasian Association of Animal Productio 2021 Animal Bioscience Vol.34 No.7
Objective: The aim was to characterize the genetic diversity evolution of the registered Mexican Charolais cattle population by pedigree analysis. Methods: Data consisted of 331,390 pedigree records of animals born from 1934 to 2018. Average complete generation equivalent, generation interval, effective population size (N<sub>e</sub>), and effective numbers of founders (f<sub>e</sub>), ancestors (f<sub>a</sub>), and founder genomes (N<sub>g</sub>) were calculated for seven five-year periods. The inbreeding coefficient was calculated per year of birth, from 1984 to 2018, whereas the gene contribution of the most influential ancestors was calculated for the latter period. Results: Average complete generation equivalent consistently increased across periods, from 4.76, for the first period (1984 through 1988), to 7.86, for the last period (2014 through 2018). The inbreeding coefficient showed a relative steadiness across the last seventeen years, oscillating from 0.0110 to 0.0145. During the last period, the average generation interval for the father-offspring pathways was nearly 1 yr. longer than that of the mother-offspring pathways. The effective population size increased steadily since 1984 (105.0) and until 2013 (237.1), but showed a minor decline from 2013 to 2018 (233.2). The population displayed an increase in the f<sub>a</sub> since 1984 and until 2008; however, showed a small decrease during the last decade. The effective number of founder genomes increased from 1984 to 2003, but revealed loss of genetic variability during the last fifteen years (from 136.4 to 127.7). The f<sub>a</sub>:f<sub>e</sub> ratio suggests that the genetic diversity loss was partially caused by formation of genetic bottlenecks in the pedigree; in addition, the N<sub>g</sub>:f<sub>a</sub> ratio indicates loss of founder alleles due to genetic drift. The most influential ancestor explained 1.8% of the total genetic variability in the progeny born from 2014 to 2018. Conclusion: Inbreeding, N<sub>e</sub>, f<sub>a</sub>, and N<sub>g</sub> are rather beyond critical levels; therefore, the current genetic status of the population is not at risk.
Rios-Rincon, F.G.,Estrada-Angulo, A.,Plascencia, A.,Lopez-Soto, M.A.,Castro-Perez, B.I.,Portillo-Loera, J.J.,Robles-Estrada, J.C.,Calderon-Cortes, J.F.,Davila-Ramos, H. Asian Australasian Association of Animal Productio 2014 Animal Bioscience Vol.27 No.1
Forty-eight Pelibuey${\times}$Katahdin male intact lambs ($23.87{\pm}2.84$ kg) were used in an 84-d feeding trial, with six pens per treatment in a $2{\times}2$ factorial design arrangement. The aim of the study was to evaluate the interaction of two dietary energy levels (3.05 and 2.83 Mcal/kg ME) and two dietary protein levels (17.5% and 14.5%) on growth performance, dietary energetics and carcass traits. The dietary treatments used were: i) High protein-high energy (HP-HE); ii) High protein-low energy (HP-LE); iii) Low protein-high energy (LP-HE), and iv) Low protein-low energy (LP-LE). With a high-energy level, dry matter intake (DMI) values were 6.1% lower in the low-protein diets, while with low-energy, the DMI values did not differ between the dietary protein levels. Energy levels did not influence the final weight and average daily gain (ADG), but resulted in lower DMI values and higher gain efficiencies. No effects of protein level were detected on growth performance. The observed dietary net energy (NE) ratio and observed DMI were closer than expected in all treatments and were not affected by the different treatments. There was an interaction (p<0.03) between energy and protein level for kidney-pelvic and heart fat (KPH), KPH was higher in lambs fed high energy and high protein diet but not in high energy and low protein diet. The KPH was increased (20.2%, p = 0.01) in high-energy diets, while fat thickness was increased (21.7%, p = 0.02) in high-protein diets. Therefore, it is concluded that dietary energy levels play a more important role in feed efficiency than protein levels in finishing lambs with a high-energy diet (>2.80 Mcal/kg ME). Providing a level of protein above 14.5% does not improves growth-performance, dietary energetics or carcass dressing percentage.
Jorge Rios-Zermeno,Leoncio Alberto Tovar-Romero,Gerardo Cano-Velazquez,Ricardo Marian-Magana,Marcos Sangrador-Deitos,Juan Luis Gomez-Amador 대한뇌혈관외과학회 2023 Journal of Cerebrovascular and Endovascular Neuros Vol.25 No.3
Intracranial aneurysms arise in 1-2% of the population and usually present as hemorrhagic strokes. Spontaneous thrombosis of a ruptured intracranial aneurysm occurs in 1-3% and most commonly in giant aneurysms, with complete thrombosis in just 13-20% of the cases. Thrombosis of smaller aneurysms is rare. Here we present a case of a patient who presented with a ruptured intracranial aneurysm that subsequently thrombosed, discovering a neighboring de-novo aneurysm during follow-up. We hypothesized that after thrombosis, the hemodynamic characteristics that contributed to the formation of the first aneurysm were replicated.
Marquez-Rios, Enrique,Cota-Arriola, Octavio,Villalba-Villalba, Ana Gloria,Ezquerra-Brauer, Josafat Marina,Ocano-Higuera, Victor Manuel,Lopez-Corona, Betzabe Ebenhezer,Torres-Arreola, Wilfrido 한국식품과학회 2016 Food Science and Biotechnology Vol.25 No.4
Chymotrypsin was purified from jumbo squid hepatopancreas (HP) with 2.4-fold and yield 1.9%, and characterized with a molecular weight of 31 kDa, as estimated by sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE). Chymotrypsin effect over collagen extracted from the mantle, fins and arms of the jumbo squid was evaluated. The enzyme exhibited the maximum activity at pH 7 and $65^{\circ}C$ using Suc-Ala-Ala-Pro-Phe-p-nitroanilide (SAAPNA) as a substrate and it was identified using the specific inhibitors N-tosyl-L-phenylalaninechloromethyl ketone (TPCK) and phenyl methyl sulfonyl fluoride (PMSF), showing residual activities of 6% and 0%, respectively. Furthermore, high activity was observed in the pH range of 4.0 to 8.0. Purified enzyme showed a moderate in vitro activity using muscle collagen as a substrate. Although further research is needed, the results suggest that the enzyme has a potential application where acidic or slightly alkaline conditions are needed.
Jessica Gomez Rios,이지혜 한국디자인트렌드학회 2022 한국디자인포럼 Vol.27 No.3
Background COVID-19 has become a global issue in countless aspects. One of the challenges has been the dissemination of information about the virus, especially to the foreign population, which are more likely to be in danger during a health emergency because of linguistic and cultural barriers. For this reason, this study investigates the accessibility of official information provided by the Government of South Korea on COVID-19 through different platforms, such as apps, pamphlets, ads, and informative posters. Methods The opinions of foreigners who reside or have been in South Korea during the COVID-19 outbreak were evaluated through an anonymous online questionnaire. Elements that were lacking or needed further development, were discussed. Afterwards, seven samples pertaining to three different media modes (smart, online, and offline) were analysed based on their accessibility, and a few guidelines for each media mode were proposed. Result In regard to emergency health information acquisition, online media was the most used mode by foreigners. However, foreigners still faced challenges, such as being confused by conflicting information, or not being able to find information due to poor visibility. The accessibility factors ofutility and usability also required some improvement. Conclusion To improve the communication of health emergency information to the vulnerable foreign population, we should unify and interconnect the content, facilitate the translation by third parties, improve comprehension and engagement with the user, and add other senses for people with disabilities.
Las jornadas del caos: La noción de tiempo en Los detectives salvajes de Roberto Bolaño
Felipe Adrian Rios Baeza 서울대학교 라틴아메리카연구소 2012 이베로아메리카硏究 Vol.23 No.3
This work, which is a fragment of a larger project, tries to provide some guidelines for the configuration of a broad spectrum of studies around the phenomenon of time within the work of the Chilean writer Roberto Bolaño (1953-2003). In his literature, the concept of time should be considered as a flexible notion, as seen in some approaches from philosophy and contemporary physics. This implies understanding that it is the characters themselves who reflect the perception of the elapsing or transferring, stopping or fragmenting, and simultaneity or circularity of time. This essay tries to analyze, in a more specific way, a passage of the book The savage detectives (1998) in which the time “dislocation” that involves Juan García Madero, will call January 1st, 1976 an “invisible day”. El presente trabajo, que se desprende de un proyecto de mayor envergadura, pretende dar algunos lineamientos para la configuración de un horizonte de estudios en torno al fenómeno de la temporalidad en la obra del escritor chileno Roberto Bolaño (1953-2003). En dicha literatura, el concepto de tiempo debería pensarse como una noción flexible, cercana a ciertos planteamientos de la filosofía y la física contemporánea. Ello implica entender que son los mismos personajes que el autor convoca en sus páginas los que refractan la percepción que se tiene del paso o traspaso, detención o fragmentación, simultaneidad o circularidad del tiempo. Puntualmente, en este ensayo se propone analizar de un modo más detenido un pasaje de Los detectives salvajes (1998), en el que a la dislocación temporal Juan García Madero le llamará, el 1 de enero de 1976, “un día invisible”.