168 research outputs found
Solar Drying System for the Agro-products Dehydration
The proposed solar thermodynamic drying system reduces the traditional dehydration process of Roselle used in the western region of Mexico, from approximately four days to four hours. In addition to the 95% reduction in process time, this system also maintains the Roselle’s nutritional content, especially that of ascorbic acid (Vitamin C). The proposed drying system is based on current operating conditions in Colima, Mexico as well as on three quantifiable control variables of Roselle: product weight, product humidity and product drying temperature. The product control variables were quantified and defined during the project as: Initial weight (1.0 kg of fresh product), final weight (0.152 kg of dry solid), initial humidity (84.8%), final humidity (14.3%) and dry temperature (48ºC to 68ºC). Based on these control variables, the proposed system operates a continuously moving band at a constant speed. As the Roselle moves along the band through the system’s drying chamber, it is dehydrated by heated air. Initially, the system uses solar energy to heat fluid (i.e., water or thermal oil). The heat generated is transferred from fluid to surrounding air via a forced convection process. By greatly diminishing drying time and controlling humidity, the system affords considerable control over optimal end-product quality (i.e., protection from pollutants & destructive microbial activity). The proposed system’s settings can be easily adjusted to accommodate other products as well, making it even more commercially viable for agro-industrial producers. The drying process eliminates the water or moisture content of the calyxes yet maintains the nutritional properties specifically, the ascorbic acid content. A low cost and durability of the system is considered in the design
Cycle Time Improvement by a Six Sigma Project for the Increase of New Business Accounts
This paper reports the application of a 6σ project about the reduction of the cycle time for acquiring a new credit account in a finance group. The methodology used in this project was the DMAI technique of 6σ. The paper documents the analysis and tasks performed by the management team that reduced cycle time from 49 days to 30 days which resulted in an expected annual savings of $300,000.00. Also an increased customer satisfaction and an increase of sales is expected
The Fourteenth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the extended Baryon Oscillation Spectroscopic Survey and from the second phase of the Apache Point Observatory Galactic Evolution Experiment
The fourth generation of the Sloan Digital Sky Survey (SDSS-IV) has been in
operation since July 2014. This paper describes the second data release from
this phase, and the fourteenth from SDSS overall (making this, Data Release
Fourteen or DR14). This release makes public data taken by SDSS-IV in its first
two years of operation (July 2014-2016). Like all previous SDSS releases, DR14
is cumulative, including the most recent reductions and calibrations of all
data taken by SDSS since the first phase began operations in 2000. New in DR14
is the first public release of data from the extended Baryon Oscillation
Spectroscopic Survey (eBOSS); the first data from the second phase of the
Apache Point Observatory (APO) Galactic Evolution Experiment (APOGEE-2),
including stellar parameter estimates from an innovative data driven machine
learning algorithm known as "The Cannon"; and almost twice as many data cubes
from the Mapping Nearby Galaxies at APO (MaNGA) survey as were in the previous
release (N = 2812 in total). This paper describes the location and format of
the publicly available data from SDSS-IV surveys. We provide references to the
important technical papers describing how these data have been taken (both
targeting and observation details) and processed for scientific use. The SDSS
website (www.sdss.org) has been updated for this release, and provides links to
data downloads, as well as tutorials and examples of data use. SDSS-IV is
planning to continue to collect astronomical data until 2020, and will be
followed by SDSS-V.Comment: SDSS-IV collaboration alphabetical author data release paper. DR14
happened on 31st July 2017. 19 pages, 5 figures. Accepted by ApJS on 28th Nov
2017 (this is the "post-print" and "post-proofs" version; minor corrections
only from v1, and most of errors found in proofs corrected
The Fourteenth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the Extended Baryon Oscillation Spectroscopic Survey and from the Second Phase of the Apache Point Observatory Galactic Evolution Experiment
The fourth generation of the Sloan Digital Sky Survey (SDSS-IV) has been in operation since 2014 July. This paper describes the second data release from this phase, and the 14th from SDSS overall (making this Data Release Fourteen or DR14). This release makes the data taken by SDSS-IV in its first two years of operation (2014–2016 July) public. Like all previous SDSS releases, DR14 is cumulative, including the most recent reductions and calibrations of all data taken by SDSS since the first phase began operations in 2000. New in DR14 is the first public release of data from the extended Baryon Oscillation Spectroscopic Survey; the first data from the second phase of the Apache Point Observatory (APO) Galactic Evolution Experiment (APOGEE-2), including stellar parameter estimates from an innovative data-driven machine-learning algorithm known as "The Cannon"; and almost twice as many data cubes from the Mapping Nearby Galaxies at APO (MaNGA) survey as were in the previous release (N = 2812 in total). This paper describes the location and format of the publicly available data from the SDSS-IV surveys. We provide references to the important technical papers describing how these data have been taken (both targeting and observation details) and processed for scientific use. The SDSS web site (www.sdss.org) has been updated for this release and provides links to data downloads, as well as tutorials and examples of data use. SDSS-IV is planning to continue to collect astronomical data until 2020 and will be followed by SDSS-V
Colectomía laparoscópica vs abierta en cáncer de colon: nuestra experiencia
El objetivo del presente estudio fue describir los resultados luego de comparar 2 técnicas quirúrgicas: colectomía laparoscópica vs colectomía abierta en el tratamiento de pacientes con adenocarcinoma de colon. Materiales y métodos: Estudio descriptivo prospectivo, comparativo, con pacientes sometidos a colectomía laparoscópica (CL) y colectomía abierta (CA) desde febrero de 2003 hasta enero de 2006, pareados según sexo, edad y cirugía. Los criterios de inclusión fueron: pacientes mayores de 18 años, diagnóstico histológico confirmado de cáncer de colon. Fueron excluidos: Pacientes con enfermedad metastásica, o complicaciones como perforación u obstrucción intestinal por cáncer. Resultados: en el período descrito fueron operados 33 pacientes mediante colectomía laparoscópica (CL) que se compararon con 38 pacientes llevados a colectomía abierta (CA). El tiempo promedio de cirugía fue de 224 vs 155 min para CL vs CA (p 0,05). Only one mortality case was presented in the OC group. Conclusions: Laparoscopic surgery for colon cancer is safe and feasible in our region. Oncologic results were similar in both groups
Luteogenesis and Embryo Implantation Are Enhanced by Exogenous hCG in Goats Subjected to an Out-of-Season Fixed-Time Artificial Insemination Protocol
The aim of this study was to evaluate the possible effect of two doses of hCG (100 and 300 IU) applied at two different times (7 and 14 d) after a fixed-time artificial insemination protocol (FTAI) upon some variables involved in the embryonic implantation rate in goats during the natural deep anestrous season (April, 25° north). The experimental units considered crossbred, multiparous, anovulatory goats (n = 69, Alpine, Saanen, Nubian x Criollo), with average body weight (43.6 ± 5.7 kg) and body condition score (1.86 ± 0.28 units) located in northern–semiarid Mexico (25° N, 103° W). Once the goat’s anestrus status was confirmed, goats were subjected to an estrus induction protocol. Upon estrus induction confirmation, goats (n = 61) were subjected to a FTAI procedure. Immediately after the FTAI, the goats were randomly distributed to five experimental groups: (1). G100-7 (n = 13) 100 IU, hCG 7 d post-FTAI, (2). G100-14 (n = 12) 100 IU hCG, 14 d post-FTAI, (3). G300-7 (n = 12) 300 IU, hCG, 7 d post-FTAI, (4). G300-14 (n = 12) 300 IU hCG 14 d post-FTAI, and (5). Control group, CONT (n = 12) 0.5 mL saline, 7 and 14 d post-FTAI. The response variables conception rate (39.36 ± 0.23), fertility rate (27.96%), prolificacy rate (1.1 ± 0.29 kids), ovulation rate (0.74 ± 0.20 corpus luteum) corpus luteum diameter (10.15 ± 0.59 mm), embryo number (1.58 ± 0.20), and embryo implantation rate (48.96%), did not differ between treatments. However, while the variables fecundity rate (67%), embryo efficiency index-1 (33.99 ± 0.20%), and embryo efficiency index-2 (27.94 ± 0.30%) were favored by the G300-14 treatment, the corpus luteum area was favored (p < 0.05) by both G300-7 (113.30 ± 0.19 mm2) and G300-14 (103.04 ± 0.17 mm2). Such reproductive strategy emerges as an interesting approach, not only to enhance the out-of-season reproductive outcomes, but also to boost one of the main rulers defining the global reproductive efficiency of a heard, namely, the embryo implantation efficiency
Anáfora: revista literaria de humanidades
48 páginas ; fotografías.Colección: HumanidadesFotografías galardonadas en el primer concurso de de fotografía BICROMATO 2022. | Galardonados del IV Concurso de cuento 2021. | Galardonados del I y II Concurso de poesía Palabras al Vuelo.Este primer número de Anáfora reúne los trabajos ganadores de las convocatorias de Cuento, Poesía y Fotografía, que se convoca desde la coordinación de Humanidades del CETYS Preparatoria, campus Tijuana
Ilustración del proceso constructivo de vías primarias, secundarias y terciarias basado en las especificaciones técnicas de construcción de carreteras del Instituto Nacional de vías (INVIAS)
: figuras, tablas ; 28 cmEsta cartilla metodológica describe a través de ilustraciones el proceso constructivo de vías primarias,
secundarias y terciarias, basado en las especificaciones técnicas de construcción de carreteras del Instituto Nacional de Vías (INVIAS)PregradoIngeniero CivilIngeniería Civi
Phase transformations, vacancy formation and variations of optical and photocatalytic properties in TiO2-ZnO composites by high-pressure torsion
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