We will study several properties over ladder systems, particularly, uniformization properties over colorations, which are equivalents to the statement that a topological space, naturally associated to the ladder system ...

There are some volcanical Andosol soils, located at western Michoacan that can easily lose their stability with hydrometheorological phenomena due to their intrinsic properties, topography and change of use of land. The ...

According to the Standard Model, neutrinos are massless elementary particles, of half-integer spin, and electrically neutral; they are partners of the SU(2)L doublet of their corresponding charged leptons. There are 3 ...

To improve the production systems of oak wood charcoal requires basic information on ecological aspects of populations, traditional management forms, as well as some basic properties of wood. The work done with oak shoots ...

Tropical Dry Forests (BTS) are one of the most extensive and threatened tropical ecosystems, large proportions of their range have been altered by human actions leading to the loss of biodiversity and ecosystem processes. ...

Hastelloy X, nickel-based superalloy extensively used in gas turbines engines in electrical and aerospace industry, this alloy have better physical and chemical properties than other steels. Hastelloy X possesses an excellent ...

The loss and degradation of wetlands has resulted in declining profits and functions related to environmental services, which provide a fundamental role of wetlands to improve water quality going in and out to other aquifers ...

A study was conducted to determine the sex ratio of offspring of black turtle (Chelonia agassizii) produced in Colola Beach, Michoacán during 2011-2012 nesting season. The temperature of the nests was obtained by data ...

The Graduate Program in Management Sciences as a need to adapt to the new General Regulation of Graduate Studies, approved on July 12, 1995 which has among its purposes the following: - Promoting the integration of existing ...

The purpose of this research consisted of conducting a job analysis model that meets the needs of the Department of Internal Audit. This research was conducted in the period October to December 2009, the Internal Audit ...