DETERMINATION OF OPTIMAL BLOCK LENGTH ALONG THE STRIKE TO PROVIDE SAFETY AND EFFICIENCY WHEN EXTRACTING MEDIUM-THICK IN-CLINED COAL SEAMS USING ROOM-AND-PILLAR METHOD IN QUANG NINH COAL BASIN

An analysis of appropriateness of room-and-pillar method for extracting medium-thick inclined coal seams in Quang Ninh Coal Basin taking into account existing mining and geological Acoustic Bronze conditions was carried out.Corresponding foreign experience of applying room-and-pillar method was considered in relation to the mines of Vietnam.Process

Abstract Background Serum feline pancreatic lipase immunoreactivity (fPL) commonly is used in the assessment of sick cats suspected to have pancreatitis but its diagnostic utility is debated.Objectives To Heat Lamps evaluate the diagnostic utility of the Spec fPL test and selected serum biochemistry tests in the diagnosis of pancreatitis in cats.An

Background and Objectives: Reducing time of treatment during COVID-19 outbreaks has been recommended by the leading Radiation Oncology societies.Still minimizing radiation induced tissue toxicity is one of the most important issues in breast cancer patients.The study aimed to investigate compliance, clinical and dosimetry normal tissue toxicity, an

The model of a Tapestry pollen mixing device was tested in sunflower culture in order to detect the effectiveness in helping the out-going honey bees to carry more and different varieties of pollen grains on the body and body hairs.This model is build from line hairs of brushes facing each other that can keep and release pollen grains.The brushes a

Objective: To examine the literature and summarize studies that describe the potential ocular hazards that are posed by different systems of light curing units mainly used in the dental clinics, to ensure the safety of the operator, patient and the auxiliary staff in the dental clinic.Methods: This systematic review was reported and conducted accor