首页 > Term: H Haanel depth rule
H Haanel depth rule
A rule of thumb for estimating the depth of a magnetic body, which is valid if the body may be regarded as magnetically equivalent to a single pole. The depth of such a pole is equal to the horizontal distance from the point of maximum vertical magnetic intensity to the points where the intensity is one-third of the maximum value.
- 词性: noun
- 行业/领域: 采矿
- 类别 一般矿业; Mineral mining
- Government Agency: USBM
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创建者
- ed.young
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(Milwaukee, United States)