MECHANISM OF DEFORMATION AND PRESSURE RELIEF CONTROL OF DYNAMIC GOB-SIDE ENTRY SURROUNDINGS IN FULLY-MECHANIZED CAVING MINING FOR EXTRA-THICK COAL SEAM

Affected by the superposition of working face mining, strong rock pressure phenomena such as rock burst and large deformation easily occur in the gob-side entry when mining extra-thick coal seams.Taking the extra-thick coal seam Gundam mining of Caojiatan Coal Mine in Yushen Mining Area as the engineering background, the appearance mechanism of str

The article is devoted to the characteristics of Russian-language internet memes that use or allude to the character of Stierlitz, the legendary intelligence agent created by the writer Yulian Full QH Bars 7 inch Youth Semyonov and adapted for the screen in the TV series Seventeen moments of spring, directed by Tatyana Lioznova.The analysis focuses

The coronavirus infection 2019 (COVID-19) Gundam is a progressing viral pandemic.Adverse impacts related to COVID19 are usually includes sore throat, cough, fever and dyspnea.Anosmia emerged as newer reported symptom however, recognition awaited from the World Health Organization (WHO) and Center for Infection Control and Prevention (CDC).This case

Background/Aims: The optimal duration of nucleos(t)ide analogs (NAs) therapy in chronic hepatitis B (CHB) patients remains unsatisfactory.Previous studies have confirmed the important role of host genetic factors in determining the outcome of HBV infection.This study tries to determine the role of host genetic factors in predicting response status