The sexual morality was a sensitive issue during the colonial period, the moralistic treatises of the time insisted that sexuality should be practiced only in marriage, since prenuptial sex, in addition to being a sin, ...

Both the discourses and practices of modern conservation have been transformed from its origin to the current date. These changes have always been shaped by the international environmental agenda and particularly by its ...

Sprekelia formosissima is a bulbous plant, which growth in a pot with great ornamental potential. Under natural conditions, vegetative propagation of S. formosissima is limited, producing one or no shoots per year. From ...

A multifunctional hybrid nanostructured carrier composed of a metal-protein-ceramic framework was designed and synthesized using three synthesis methods: chemical reduction, physical adsorption, and coprecipitation. Spherical ...

In this work, the fabrication of the SnO2/ZnO/TiO2 (SZT) thin-film heterostructure using the sol-gel/spin-coating technique is presented. The obtained samples were characterized by X-ray diffraction (XRD), field emission ...

The objective of this thesis is to know the level of efficiency and productivity variations of the solid waste prevention and management system in the states of Mexico in the period 2011-2021, in order to achieve the ...

Martensitic stainless steels are Fe-Cr-C based alloys, capable of being hardened and tempered due to their high carbon content. They are commonly used in certain hand tools or mechanical fixtures for cutting, shaping, ...

The purpose of this study is to identify the necessary and sufficient conditions to generate sustainability in the textile industry of Mexico. This research selected the approach derived from the qualitative comparative ...

This research seeks more efficient and sustainable alternatives in the design of mortars for construction, promoting the creation of sustainable buildings through the use of local natural resources, such as volcanic sand, ...

In this thesis, I will present an overview of the standard cosmology of the Universe, both at the background and perturbation levels. I will also explore some alternative models. In particular, I study models where dark ...