Search Results - "time"
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421
A relax and cut approach using the multi-commodity flow formulation for the traveling salesman problem
Published 2015“…The results obtained by the computational study are encouraging and show that the proposed algorithm generated good dual bounds for the ATSP with a low execution time.…”
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422
Recrystallization of a Ti-45Ni-5Cu cold-worked shape memory alloy characterized by thermoelectric power and electrical properties
Published 2014“…Hardness values decrease with aging temperature for the same heat treatment time. No important changes were observed in electrical resistivity with heat treatment temperature, except at 300°C. …”
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423
Polyphenolic Profile and Antioxidant Activity of Leaf Purified Hydroalcoholic Extracts from Seven Mexican Persea americana Cultivars
Published 2019“…Inthisstudyfortyonecompoundsweredetectedinavocadoleavesofthethesevencultivars analyzed, and of these compounds, eighteen phenolics were identified for first time in such plant material. The present study demonstrated that Mexican cultivars of Persea americana possess diverse polyphenolic compounds with strong antioxidant activity, which might be useful in the food and pharmaceutical industries.…”
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424
Explotación y renovabilidad del agua subterránea en una cuenca semiárida del Altiplano Mexicano
Published 2006“…A 3D modeling approach is used to analyze the groundwater regime and to evaluate the effects of overexploitation. The mean transit time of water in the aquifers is about 6,000 years. …”
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425
Bluetongue in white-tailed deer (Odocoileus virginianus) in Northeastern Mexico
Published 2017“…To our knowledge, this is the first time in Mexico where deer dying with hemorrhagic lesions consistent with Bluetongue tested positive for BTV by PCR. …”
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426
Conduits Used in Coronary Artery Bypass Grafting: A Review of Morphological Studies
Published 2017“…We included clinical information regarding the characteristics that determine the behavior of the grafts and its permeability over time. Currently, the internal thoracic artery is the standard choice for bypass surgery because of the morphological characteristics of the wall that makes less prone to developing atherosclerosis and hyperplasia. …”
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427
Mixed sensitivity control: a non-iterative approach
Published 2020“…It is assumed that the plant state dimension is double the plant input dimension and that the linear time-invariant nominal plant has a stabilizable and detectable realization and is strongly stabilizable. …”
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428
Conceptual Design of an Unmanned Fixed-Wing Aerial Vehicle Based on Alternative Energy
Published 2019“…One of the main disadvantages of an electric UAV is the flight time; in this sense, the challenge is to create an aerodynamic design that can increase the endurance of the UAV. …”
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429
Phylogenomics of alligator lizards elucidate diversification patterns across the Mexican transition zone and support the recognition of a new genus
Published 2022“…In this study, we used thousands of ultraconserved element (UCE) loci from alligator lizards in the genus Gerrhonotus to compare and contrast species trees inferred using multiple contemporary methods and provide a time frame for biological diversification across the Mexican Transition Zone (MTZ). …”
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430
Renal Replacement Therapy for Acute Kidney Injury in COVID-19 Patients in Latin America
Published 2020“…From these first reports, AKI emerges at the same time as the acute respiratory distress syndrome, and the development of AKI is usually found in patients who progress to phase 3 of the extra-pulmonary systemic hyper-inflammation syndrome [4]. …”
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431
New records of invasive tubeworms (Ficopomatus, Serpulidae) in Mexico
Published 2022“…Ficopomatus uschakovi is reported for the first time in the southern Gulf of Mexico (Mexico territory) and repeatedly recorded in Chiapas (southern Mexican Pacific). …”
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432
Greener synthesis of chemical compounds and materials
Published 2019“…A range of nanosized materials and composites can be produced by greener routes, including nanoparticles of metals, non-metals, their oxides and salts, aerogels or quantum dots. At the same time, such classic materials as cement, ceramics, adsorbents, polymers, bioplastics and biocomposites can be improved or obtained by cleaner processes. …”
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433
A negative pressure device for the treatment of diabetic foot.
Published 2010“…Background: We studied the use of a negative pressure device designed by one of the authors (JATB) to determine if it shortens healing time and lowers the amputation level in patients with diabetic foot. …”
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