In order to study the mechanism and process of mercury migration under the influence of coal spontaneous combustion and coal field fire area, this paper uses the method of combining theory and experiment to study the migration of mercury.In this paper, the transport equation of mercury in porous medium and semi-infinite medium is established from t
Abstract Background Road traffic injuries (RTI) are one of the most prominent causes of morbidity and mortality, especially among children and young adults.Motorcycle crashes constitute a significant part of RTIs.Policymakers believe that safety helmets are the single most important protection against motorcycle-related injuries.However, motorcycli
Purpose: The chief purpose of this study was designed to explore the phenomenal changes of business management models of the private and public news channels in Pakistan.The rationale behind this objective was to explore changing business approaches as adopted by the private news channel like Geo News and the public news channel like PTV News.The a
Knowledge sharing is one of the important and also challenging parts in the success of KM implementation.The objective of this paper is to find out knowledge sharing barriers in the petrochemical companies in a Middle East country.Three Hotplate Receptacle main categories are found to have an impact on knowledge sharing in the companies.These categ