STUDY ON INSTABILITY MECHANISM OF EXTRACTION STRUCTURE UNDER UNDERCUT SPACE BASED ON THIN PLATE THEORY IN BLOCK CAVING METHOD

Study on Instability Mechanism of Extraction Structure under Undercut Space Based on Thin Plate Theory in Block Caving Method

The instability of Games extraction structure under the undercut space in the block caving stope presents specific characteristics: rib spalling and floor heave in ore-loading roadway and collapse of major apexes.In order to study the stress and displacement evolution law of extraction structure under undercut space and reveal the instability mecha

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Prognostic opportunity neurological evaluation scale in patients with non infiltrative paraxial tumors in early period after posterior fossa surgery

For optimal airway protection in early postoperative period after fossa posterior surgery (PFS) necessary prognosis of neurological dynamic through neurological exam before operation.We performed Neurological Evaluation Scale (NES).The Intercooler aim of our study was research possibility NES to predict brain stem deterioration in early postoperati

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