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Mostrando ítems 349-368 de 396
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Spectral study of the Geometric-Arithmetic Index
(Communications in Mathematical and in Computer Chemistry, 2015-11-14)The concept of geometric-arithmetic index was introduced in the chemical graph theory recently, but it has shown to be useful. One of the main aims of algebraic graph theory is to determine how, or whether, properties of ... -
Staphylococcus aureus MRSA-biofilms positive isolated from artisanal cheese in Guerrero., Mexico
(Ciencia e Tecnica Vitivinicola, 2016-01)The collection, preparation and processing of lactic products made from raw cow's milk can lead to contamination with S. aureus strains. Contaminated artisan fresh cheeses with S. aureus, can cause outbreaks in people who ... -
Stochastic black-scholes equation with time-fractional derivative on the half-line
(International Journal of Pure and Applied Mathematics, 2016-01)We investigate the pricing of options using a modified Black-Scholes equation with a time-fractional derivative and additive white noise on the half-line. We construct the Green function for the initial-boundary value ... -
Strategic environmental planning in tropical countries: Elements for the sustainable management of water resources
(Journal of Xi'an University of Architecture & Technology, 2020-01)This manuscript considers elements for the formulation of strategic axes in the environmental planning of the water resource in tropical countries, differentiating the strategic, functional planning and the environmental ... -
Strengthening of the learning unit: (Environmental Culture) to train environmental competences in students, unit 12 a dependent on the Universidad Pedagogica Nacional, Mexico
(International Journal of Current Research, 2018-03)To strengthen the Environmental Culture Learning Unit (ECLU) was necessary to design and implement an Environmental Education Program (EEP) attached to the (ECLU). The implementation of EEP was with students of the bachelor`s ... -
Submucosal and intramuscular dexamethasone for the control of pain, trismus and edema after third molar surgeries: ¿Is it necessary?
(Elsevier, 2021-06)Dexamethasone in different routes of administration has been used to control discomfort after third molar surgery. The objective of this research is to determine if the application of dexamethasone by submucosal or ... -
Sustainability in teaching: an evaluation of university teachers and students
(Sustainability, 2018-01)Since the 1970s, interest in caring for the environment has gained traction and the environmental education movement has gained momentum. The Talloires Declaration was the first document to incorporate sustainable development ... -
Taxco de Alarcón, Guerrero: sus narrativas y sus encantos
(Topofilia, Revista de Arquitectura, Urbanismo y Ciencias Sociales, 2014-03) -
Taxco de Alarcón: magia y realidad
(Topofilia, Revista de Arquitectura, Urbanismo y Ciencias Sociales, 2013-11) -
Taxco, Guerrero: historical facts, daily life and daily routine, tourist places and important festivals.
(Revista, 2016-01)In this paper we study and investigates 1) the historical facts, 2) daily life and daily routine, 3) tourist sites and 4) the important festivals of the city of Taxco, Guerrero. -
Teaching-learning about optimization problems: a close up through the use of GeoGebra software.
(International Journal of Research in Education Methodology, 2019-01)A teaching-learning proposal is described for the treatment of optimization problems in the pre-university student. The theoretical-methodological elements fall into the heuristic principles and resources and the use of ... -
Temporal and spatial hydrogeochemical evolution and lead isotopic composition of a contaminated stream of Taxco, Guerrero, Mexico.
(Revista Mexicana De Ciencias Geológicas, 2020-01)Discharge of Acid Mine Drainage (AMD) produced within flooded mines is a major environmental issue in most polymetallic mining sites severely impacting nearby natural resources and producing a serious menace to the ecosystem ... -
Temporal Variation in Composition and Abundance of Phytoplankton Species during 2011 and 2012 in Acapulco Bay, Mexico
(Scientific Research Publishing Inc, 2015-07-30)Phytoplankton samples were collected in Acapulco Bay during 2011 (January-April and September) and 2012 (April-July, October, and November) with the objective of determining the abundance and species composition. Samples ... -
Terminal Deoxynucleotidyl Transferase in type B Acute Lymphoblastic Leukemia.
(Avens Publishing, 2019-02)Terminal deoxynucleotidyl transferase (TdT or DNTT) is a nuclear enzyme whose expression is restricted to normal tissue (thymus and bone marrow) and to lymphoid precursors of the B and T cell. TdT catalyzes the addition ... -
The Context Socio-Environmental an Opportunity to Teach Public Health Environmental Learning Scenarios In Metztitlán Hidalgo, México
(Journal of Agriculture and Environmental Sciences, 2017-12)Metztitlán Hidalgo, Mexico is a population that is characterized by productive labor camp food and also has temporary irrigation systems, a situation that allows you to add such statewide percentage of food production ... -
The Context Socio-Environmental an Opportunity to Teach Public Health Environmental Learning Scenarios In Metztitlán Hidalgo, México
(Journal of Agriculture and Enviroment Sciences, 2017-12)Metztitlán Hidalgo, Mexico is a population that is characterized by productive labor camp food and also has temporary irrigation systems, a situation that allows you to add such statewide percentage of food production ... -
The dental office: A safe place against COVID19 and other future pandemics
(Elsevier, 2022-01)Background: The pandemic caused by the spread of COVID19 generated throughout the world great changes in all areas of life. Social distancing was carried out very drastically in some countries, and even in the field of ... -
The effect of a relatively low dose of nano-ZnO particles on growth, chlorophyll content, grain yield, and yield components in a mexican landrace of red maize.
(Digest Journal of Nanomaterials and Biostructures, 2019-12-11)A field-scale experiment was conducted to evaluate the effect of a relatively low dose of nano-ZnO particles (0.16 mg nano-ZnO per seed) on growth parameters, biomass production, photosynthetic pigments, cob components, ... -
The encounter with nature at an early age, a case in environmental education as a strategy for a better future.
(Journal of Science, 2016-01)In the socio-environmental context; the students and teacher are willing to venture into the construction of knowledge, an early age a strategy of environmental health for narrative in social context strategy. The objective ... -
The hyperbolicity constant of infinite circulant graphs
(Open Mathematics, 2017-03-30)The space X is hyperbolic.in the Gromov sense/ if any side of T is contained in a neighborhood of the union of the two other sides, for every geodesic triangle T in X. Deciding whether or not a graph is hyperbolic is usually ...