Search Results - "time"

  1. 421

    A relax and cut approach using the multi-commodity flow formulation for the traveling salesman problem by Kawashima, Makswell Seyiti, Rangel, Socorro, Litvinchev, Igor, Infante, Luis

    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.…”
    Get full text
    Article
  2. 422

    Recrystallization of a Ti-45Ni-5Cu cold-worked shape memory alloy characterized by thermoelectric power and electrical properties by Soto Parra, Daniel Enrique, Flores Zúñiga, Horacio, Cuéllar, Enrique López, Ochoa Gamboa, Raul Armando, Ríos Jara, David

    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. …”
    Get full text
    Article
  3. 423

    Polyphenolic Profile and Antioxidant Activity of Leaf Purified Hydroalcoholic Extracts from Seven Mexican Persea americana Cultivars by Castro López, Cecilia, Bautista Hernández, Israel, González Hernández, María D., Martínez Ávila, Guillermo Cristian Guadalupe, Rojas, Romeo, Gutiérrez Díez, Adriana, Medina Herrera, Nancy, Aguirre Arzola, Víctor Eustorgio

    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.…”
    Get full text
    Article
  4. 424

    Explotación y renovabilidad del agua subterránea en una cuenca semiárida del Altiplano Mexicano by Navarro de León, Ignacio

    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. …”
    Get full text
    Article
  5. 425
  6. 426

    Conduits Used in Coronary Artery Bypass Grafting: A Review of Morphological Studies by Martínez González, Brenda, Reyes Hernández, Cynthia Guadalupe, Quiroga Garza, Alejandro, Rodríguez Rodríguez, Víctor E., Esparza Hernández, Claudia Nallely, Elizondo Omaña, Rodrigo Enrique, Guzmán López, Santos

    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. …”
    Get full text
    Article
  7. 427

    Mixed sensitivity control: a non-iterative approach by Galindo Orozco, René

    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. …”
    Get full text
    Article
  8. 428

    Conceptual Design of an Unmanned Fixed-Wing Aerial Vehicle Based on Alternative Energy by Escobar Ruiz, Alan Gerardo, López Botello, Omar Eduardo, Reyes Osorio, Luis Arturo, Zambrano Robledo, Patricia del Carmen, Amézquita Brooks, Luis Antonio, García Salazar, Octavio

    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. …”
    Get full text
    Article
  9. 429

    Phylogenomics of alligator lizards elucidate diversification patterns across the Mexican transition zone and support the recognition of a new genus by Blair, Christopher, Bryson Jr., Robert W.

    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). …”
    Get full text
    Article
  10. 430

    Renal Replacement Therapy for Acute Kidney Injury in COVID-19 Patients in Latin America by Claure Del Granado, Rolando, Casas Aparicio, Gustavo, Rosa Diez, Guillermo, Rizo Topete, Lilia María, Ponce, Daniela

    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]. …”
    Get full text
    Article
  11. 431

    New records of invasive tubeworms (Ficopomatus, Serpulidae) in Mexico by Tovar Hernández, María Ana, De León González, Jesús Ángel, Kupriyanova, Elena K.

    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). …”
    Get full text
    Article
  12. 432

    Greener synthesis of chemical compounds and materials by Kharissova, Oxana V., Kharisov, Boris I., Oliva González, Cesar Maximo, Méndez, Yolanda Peña, López, Israel

    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. …”
    Get full text
    Article
  13. 433

    A negative pressure device for the treatment of diabetic foot. by Tamez del Bosque, Juan Antonio, Ramírez Aranda, José Manuel, Valenzuela Rendón, Jorge, Salinas Carmona, Mario César, Martínez Martínez, Francisco Javier, Gómez Gómez, Celina

    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. …”
    Get full text
    Article
  14. 434
  15. 435
  16. 436
  17. 437
  18. 438
  19. 439
  20. 440

Search Tools: