Drilling and blasting operations (D&B) are the most difficult and laborious operations in the process of mineral extraction, requiring permanent development and upgrading Porcelain Tag of methods and equipment.The aim of the study is to substantiate the parameters of drilling and blasting drivage of horizontal and inclined (up to 12o) mine workings
The corrosion of steel reinforcement negatively influences the mechanical performance of reinforced concrete (RC) elements reducing both their strength capacity and ductility.Especially in seismic prone areas, the degradation of the cyclic behavior of corroded RC elements is more intense, limiting the service life of structures and leading to prema
Muscle fatigue is an important field of study in sports medicine and occupational health.Several studies in the literature have proposed methods for predicting muscle fatigue in isometric con-tractions using three states of muscular fatigue: Non-Fatigue, Transition-to-Fatigue, and Fatigue.For this, several features in time, spectral and time-freque
Brooke Aksnes, Visions convenor, writes: Here are selected extracts of the testimonies - commitments, beliefs, and aspirations - of our 19 Visions writers.They are all WN editorial team members or regular contributors.We have a balance of younger and older visionaries, women and men, and team members 1196 and regular contributors, from all continen
Purpose: The purpose of this research lies in identifying and analyzing help facilities and capabilities in Iranian digital libraries software based on representation, content, format, style and access criteria.Method: The method of this research is based on descriptive survey.13 Iranian digital libraries were selected as a sample.The tool for coll