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
The Taichi sword is typically a straight, single-edged blade with a slightly curved handle. It is often made of stainless steel or high-quality carbon steel. The length of the sword varies depending on the practitioner's height but is generally around 36 to 40 inches.
The Taichi sword is not primarily used as a weapon for combat but rather as a tool for refining one's Tai Chi skills. It is an extension of the practitioner's body and is used to enhance balance, coordination, and strength. The slow, precise movements with the sword help develop a deep understanding of Tai Chi principles such as relaxation, proper body alignment, and energy flow.
When practicing Tai Chi with the sword, practitioners engage in a series of choreographed forms or routines called "jian" or "jianfa." These forms combine graceful, flowing movements with precise sword techniques, including thrusts, cuts, and spins. The focus is on maintaining a relaxed and centered state while moving in harmony with the sword.
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