Coal reserve calculation method
Coal reserves calculation method Fourth, the reserve calculation method There are many methods for calculating reserves, there are about twenty or thirty kinds, but there are only ten kinds of commonly used in coalfield geological exploration, but the most common ones are only two or three. (1) Arithmetic average method "Delineation of ore bodies in the calculation method of coal reserves" (2) Geological block method "Geological block method for calculating coal reserves" (3) Contour method Contour Line Method for Calculating Coal Reserves (4) Section method Sectional Method for Calculating Coal Reserves (5) Horizontal section method "Level Cut Method for Calculation Method of Coal Reserves" (6) Polygonal method "Polygon Method for Calculating Coal Reserves" (7) Triangle method Triangle Method for Calculating Coal Reserves (8) Contour method "Contour method for calculation method of coal reserves" (9) Simple statistical method Simple Statistical Method for Calculating Coal Reserves Sheet Metal Cutting parts are usually processed by the following methods: drawing milling, wire cutting, plasma cutting, oxy-acetylene flame cutting, die stamping, high-pressure water cutting and CO2 laser cutting.Various cutting and blanking methods have their advantages and disadvantages.Accuracy, speed and cost are different.There is a certain scope of application in industrial production.Choosing the most convenient and adaptable machining method is the task facing the manufacture of Sheet Metal Parts for liquid rocket engine. Sheet Metal Cutting Sheet Metal Cutting,Laser Cutting Plate,Sheet Metal Cutting Tools,Sheet Metal Cutting Service YaoPeng Metal Products Co., Ltd. , https://www.ypmfg.com