In order to reduce the dust disaster in the coal mine industry and reduce the probability of coal miners suffering from pneumoconiosis, the graft copolymerization method was adopted, and polyvinyl alcohol was used as the dust suppressant matrix material, under the action of an initiator and a cross-linking agent, 2-acrylamide-2-methylpropanesulfoni
Antonio M EsquinasIntensive Care Unit, Hospital beetroot birkenstock Morales Meseguer, Murcia, SpainWe read with interest the survival analysis of chronic obstructive pulmonary disease (COPD) patients who are admitted to critical care units with exacerbation, conducted in Saudi Arabia by Alaithan et al.1 This study makes an important contribution o
The objective of this article is to show the internationalization strategies of the artisan industry in Galapa (Colombia).Through a quantitative-descriptive, non-experimental, cross-sectional field study, a questionnaire was applied in a number handicraft micro-enterprises of Galapa City.The questionnaire included 6 questions about company conditio