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Search Results: 1 - 10 of 222776 matches for " Teodoro C Mendoza "
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AGRONOMIC TRAITS AND YIELD COMPONENTS ASSOCIATED WITH BROADCASTED AND TRANSPLANTED HIGH-YIELDING RICE GENOTYPES
Bancha Wiangsamut,Tanguy A Lafarge,Teodoro C Mendoza,Estela M Pasuquin
eSci Journal of Crop Production , 2013,
Abstract: The study was done to identify agronomic traits and yield components associated with high-yielding rice genotypes grown under transplanted and broadcasted methods using the seed rate of 50 kg/ha (BC50) and 25 kg/ha (BC25) and transplanting (TP) in an irrigated area during the dry season. Used as tests genotypes were two hybrids (Bigante and SL8), two inbreds (PSB Rc82, IR72) and a new plant type (IR72967-12-2-3). Results showed that grain yield were consistently higher under BC25 than under TP, ranging from 0.5 to 2.5 t/ha among genotypes. Harvest index accounted for 21.3% of grain yield increase under BC25 and higher harvest index was obtained between hybrid genotypes, particularly SL8. SL8 produced fewer panicles in the three crop establishment methods but had the highest average number of filled grains per panicle. Positively associated with grain yield, filled grains per panicle accounted for 91.27% of the variation in yield as shown in the stepwise regression analysis. Total dry matter accounted for 78.6% yield increase and was also positively associated with grain yield. Grain yield under SL8 and Bigante was higher among the genotypes due to their higher efficiency in partitioning dry matter as measured through harvest index and sink strength index.
Análisis hidrometeorológico de las estaciones de la cuenca del lago de Cuitzeo
Carlón Allende, Teodoro;Mendoza, Manuel E;
Investigaciones geográficas , 2007,
Abstract: time series analysis of hydrometeorogical data is an excellent tool for analyzing climate evolution in the past and present. the subject in this research was to analyze temperature, precipitation and runoff time series from hydro-meteorological stations located in (and close by) the subwatersheds of cointzio, san marcos and querendaro, which are located in cutzeo lake watershed, michoacán. firstly a climatic description based on climograms is presented; as it was expected, the highest temperatures were observed in april, may and june. the trend analysis of precipitation, temperature and runoff was carried out using a nonparametric mann-kendall test. trend analysis indicated mean temperature from morelia station increase at significant level, in both monthly and annual values; while, records from cuitzeo and huingo stations indicated a decrease trend at significant level. annual precipitation from huingo and jesus del monte indicated and increase at significant level.
Análisis hidrometeorológico de las estaciones de la cuenca del lago de Cuitzeo
Teodoro Carlón Allende,Manuel E. Mendoza
Investigaciones geográficas , 2007,
Abstract: El análisis de datos hidrometeorológicos de series de tiempo es una herramienta apta para analizar la evolución del clima pasado y presente. El objetivo de este trabajo es analizar el comportamiento de las series de tiempo de los datos de precipitación, temperatura y escurrimiento de las estaciones hidrometeorológicas ubicadas en las subcuencas (y algunas en sus cercanías) de Cointzio, Queréndaro y San Marcos, localizadas dentro de la cuenca del lago de Cuitzeo, Michoacán. En primera instancia se presenta una descripción de los datos de temperatura utilizando climogramas; como se esperaba, los mismos registraron, para casi todas las estaciones, las mayores temperaturas durante los meses de abril, mayo y junio. El análisis de tendencia de precipitación, temperatura y escurrimiento se realizó con la prueba no paramétrica de Mann-Kendall. Esta técnica ha sido ampliamente utilizada para probar aleatoriedad contra tendencias en los datos climáticos de las series de tiempo. El análisis de tendencia indica que la temperatura media en la estación de Morelia tiende a aumentar de manera significativa tanto sus valores mensuales como en el valor medio anual; mientras que Cuitzeo y Huingo tienden a reducir sus temperaturas en forma significativa. Para las precipitaciones anuales indica que las estalaciones de Huingo y Jesús del Monte han presentado un aumento estadísticamente significativo.
Biodrying under Greenhouse Conditions as Pretreatment for Horticultural Waste  [PDF]
Fabián Robles-Martínez, Elizabeth M. Silva-Rodríguez, Teodoro Espinosa-Solares, Belem Pi?a-Guzmán, Carmen Calixto-Mosqueda, Francisco J. Colomer-Mendoza, Enrique Durán-Páramo
Journal of Environmental Protection (JEP) , 2012, DOI: 10.4236/jep.2012.34038
Abstract: The biodrying process was studied as an alternative technology to reduce the mass and volume of horticultural waste. Four static piles were prepared inside a greenhouse: two containing whole waste and two consisting of shredded waste. All the piles were compared with a test pile containing whole waste and placed outside the greenhouse. In two cases, ventilation ducts were installed to improve aeration. Each greenhouse was 2.0 m wide, 3.5 m long and 1.16 m high. The air temperature and relative humidity were monitored both inside and outside the greenhouse. Mass, humidity, organic matter and total nitrogen in the waste were measured. Piles inside the greenhouse showed decreases of 80% and 75% in weight and volume, respectively, during the first 16 days. The data obtained in this work suggest that biodrying could improve the handling and transport of horticultural waste while also minimizing the impact of pollutants.
Aspectos ético legales del trasplante de corazón
Mendoza,Fernán del C;
Revista Colombiana de Cardiología , 2007,
Abstract: cardiac transplant is the treatment of choice for patients with refractory cardiac failure. there are clear indications from the medical point of view to perform the transplant, but locally and world - wide there are problems due to the scarce number of donors. in order to perform a cardiac transplant, the donor must meet criteria for encephalic death. this is diagnosed when there is irreversible absence of the brain stem functions, determined by a clinical examination. despite the existing controversies about the moment when a person dies, every time there is more clarity over this matter. there are other bioethical problems related to transplants, such as donation (some people during life state their will and autonomy to become donors, some others not), organ distribution, and organ and tissue trading. from the legal and ethical point of view, it is forbidden to gratify or pay the living donor, the dead donor?s family, the tissue or bone marrow bank, the hospitals, or the insurance companies for the donation or supplying of human organs or tissues. the promotion of the donation and obtainment of anatomical components must be performed stating their voluntary, altruistic and unselfish character. the principle of justice must stand out, excluding any unfair consideration of geographical, racial, sexual, or religious nature. organs must be distributed based on medical criteria, looking for the most suitable use of the donated organ, based on a fair management, having always as a principle the respect of life and human dignity.
Efecto del deterioro post-corte sobre la germinación de la semilla asexual de cinco variedades de ca?a de azúcar
Ramón,M; Mendoza,C;
Revista de la Facultad de Agronomía , 2002,
Abstract: to investigate the effect of post-harvest damage on the germination of sugarcane, seed pieces of five varieties were planted 24, 48, 72 and 96 hours after harvest (hdc). the research was conducted at the national institute of agronomic research (inia) experimental field at las majaguas. germination was recorded weekly based on the number of emerging shoots during eight weeks. the varieties included in this study were `b 67-49', `pr 980', `pr61-632', `ragnar' and `v 64-10'. results indicated that the highest germination occurred when seed pieces were planted 24 and 48 hdc (29,87% y 27,47% respectively) while the lowest germination was observed for the 96 hdc treatment (17,11%). `pr61-632' and `pr 980' showed the highest germination values (29,39% and 28,46%) while `v 64-10' showed the lowest (19,63%). the interaction variety x hdc indicates that seed pieces from `b 67-49' were the most affected by post harvest damage.
Review Article: "The Lagrangian description of aperiodic flows: a case study of the Kuroshio Current"
C. Mendoza,A. M. Mancho
Nonlinear Processes in Geophysics (NPG) , 2012,
Abstract: This article reviews several recently developed Lagrangian tools and shows how their combined use succeeds in obtaining a detailed description of purely advective transport events in general aperiodic flows. In particular, because of the climate impact of ocean transport processes, we illustrate a 2-D application on altimeter data sets over the area of the Kuroshio Current, although the proposed techniques are general and applicable to arbitrary time dependent aperiodic flows. The first challenge for describing transport in aperiodical time dependent flows is obtaining a representation of the phase portrait where the most relevant dynamical features may be identified. areas that are related to confinement regions. This representation is accomplished by using global Lagrangian descriptors that when applied for instance to the altimeter data sets retrieve over the ocean surface a phase portrait where the geometry of interconnected dynamical systems is visible. The phase portrait picture is essential because it evinces which transport routes are acting on the whole flow. Once these routes are roughly recognised, it is possible to complete a detailed description by the direct computation of the finite time stable and unstable manifolds of special hyperbolic trajectories that act as organising centres of the flow.
Aspectos ético legales del trasplante de corazón Ethical and legal aspects of heart transplant
Fernán del C Mendoza
Revista Colombiana de Cardiología , 2007,
Abstract: El trasplante cardiaco constituye el tratamiento de elección para los pacientes en falla cardiaca refractaria. Desde el punto de vista médico, existen claras indicaciones para realizar el trasplante, pero a nivel local y mundial hay problemas por el escaso número de donantes. Para que se realice un trasplante de corazón, el donante debe reunir criterios de muerte encefálica, la cual se diagnostica por ausencia irreversible de las funciones del tallo encefálico, determinadas por un examen clínico. A pesar de las controversias que existen acerca de cuándo muere una persona, cada vez hay más claridad en este hecho. Existen otros problemas bioéticos que se relacionan con el trasplante como la donación (algunas personas en vida manifiestan su voluntad y autonomía de servir como donantes y otras no), la distribución de órganos y el comercio de órganos y tejidos. Desde el punto de vista legal y ético, se prohíbe la gratificación o pago al donante vivo, a la familia del donante fallecido, al banco de tejidos o de médula ósea, a las clínicas y hospitales, y a las aseguradoras por la donación o suministro de órganos o tejidos humanos. La promoción de la donación y la obtención de componentes anatómicos deberán efectuarse denotando su carácter voluntario, altruista y desinteresado. Debe primar el principio de justicia y excluirse cualquier consideración no equitativa de índole geográfica, racial, sexual, religiosa, etc. Los órganos deben distribuirse con base en criterios médicos; así mismo debe buscarse la más idónea utilización del órgano donado, teniendo como fundamento el manejo equitativo y como principio el respeto por la vida y la dignidad humana. Cardiac transplant is the treatment of choice for patients with refractory cardiac failure. There are clear indications from the medical point of view to perform the transplant, but locally and world - wide there are problems due to the scarce number of donors. In order to perform a cardiac transplant, the donor must meet criteria for encephalic death. This is diagnosed when there is irreversible absence of the brain stem functions, determined by a clinical examination. Despite the existing controversies about the moment when a person dies, every time there is more clarity over this matter. There are other bioethical problems related to transplants, such as donation (some people during life state their will and autonomy to become donors, some others not), organ distribution, and organ and tissue trading. From the legal and ethical point of view, it is forbidden to gratify or pay the living donor, the dead donor’s
Efecto del deterioro post-corte sobre la germinación de la semilla asexual de cinco variedades de ca a de azúcar Effect of post-harvest damage on the germination of asexual seeds of five sugar cane varieties
M Ramón,C Mendoza
Revista de la Facultad de Agronomía , 2002,
Abstract: Con el fin de estudiar el efecto del deterioro post-corte sobre la germinación de la semilla asexual de la ca a de azúcar, se sembró un ensayo donde se evaluó el porcentaje de germinación de cinco variedades cuyos esquejes fueron sembrados a las 24, 48, 72 y 96 horas después de ser cortadas (HDC). El ensayo se realizó en el campo Experimental Las Majaguas del Instituto Nacional de Investigaciones Agrícolas (INIA) en el estado Portuguesa. Las variedades evaluadas fueron `B 67-49' , `PR 980', `PR 61-632', `RAGNAR' y `V 64-10'. Se usó un dise o de parcelas divididas donde la variedad se plantó en la parcela principal y HDC en la subparcela. Se efectuaron ocho conteos semanales de germinación durante 56 días después de la siembra. Los resultados indicaron que las semillas sembradas a las 24 y 48 HDC presentaron los más altos porcentajes de germinación (29,87% y 27,47% respectivamente). En relación a las variedades, se detectaron diferencias estadísticamente significativas entre las mismas, donde `PR 61-632' y `PR 980' presentaron los valores mas altos de germinación (29,39% y 27,47% respectivamente) mientras que el valor más bajo fue el observado en la variedad `V 64-10' (19,63%). Por otro lado la interacción entre variedades y HDC indicó que la variedad `B 67-49' fue la mas afectada por el deterioro de la semilla. To investigate the effect of post-harvest damage on the germination of sugarcane, seed pieces of five varieties were planted 24, 48, 72 and 96 hours after harvest (HDC). The research was conducted at the National Institute of Agronomic Research (INIA) experimental field at Las Majaguas. Germination was recorded weekly based on the number of emerging shoots during eight weeks. The varieties included in this study were `B 67-49', `PR 980', `PR61-632', `RAGNAR' and `V 64-10'. Results indicated that the highest germination occurred when seed pieces were planted 24 and 48 HDC (29,87% y 27,47% respectively) while the lowest germination was observed for the 96 HDC treatment (17,11%). `PR61-632' and `PR 980' showed the highest germination values (29,39% and 28,46%) while `V 64-10' showed the lowest (19,63%). The interaction variety x HDC indicates that seed pieces from `B 67-49' were the most affected by post harvest damage.
Colorectal cancer and Coxibs Cáncer colorrectal y Coxibs
C. Taxonera,J. L. Mendoza
Revista Espa?ola de Enfermedades Digestivas , 2004,
Abstract:
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