A married couple wants to invest $ 12000 to buy a business, for their investment they have their own funds representing 40% and 60% is assigned to the debt with the bank, with an annual interest of 11%, after one year of ...

The scientific work was carried out on the current situation of SMEs in the city of Machala, identifying the main risk factors, which must be based on the ISO 45001 standard to implement an occupational health and safety ...

The main objective of this work is to analyze the treatment options available for acid mine drainage due to the fact that it is one of the inconveniences caused by the mining activity. Acid mine drainage is an effluent in ...

Linear programming is a mathematical algorithm that is used to maximize profits or minimize costs, from this technique the graphical method and the simplex method are developed, both methods consist of determining restrictions, ...

This research compares microwave-assisted acid digestion (DAAM) and Traditional Acid Digestion (DAT) techniques for the preparation of Cu concentrate samples, in order to establish the most efficient technique, through ...

Raw cow's milk is considered one of the basic foods in people's diet, thanks to its high content of nutrients. In Ecuador the daily production of milk for the year 2017 reached 5,135,405 liters; however, in spite of being ...

The objective of this research is to determine the optimal location of a pyrolysis plant by applying geographic information systems and multi-criteria analysis for the production of bio-oil and biochar from agro-industrial ...

This research identifies the results obtained by using the transport model as a solution alternative in minimizing distribution costs by fully meeting demand and supply from the point of supply to the final consumer. The ...

Water quality is an essential ecological value for health and for economic growth, but this in turn is affected by natural impacts and the different anthropogenic activities that cause an alteration in the physical, chemical ...

The study of fluid flow through pipes implies the use of different equations such as; the Bernoulli, Swamme-Jain and Darcy Weisbach equation, for the purposes of this project, variations will be made in two parameters of ...