| 摘要 |
The utility model relates to investigation of rocks in the process of drilling. The appliance for determination of rock properties in process of drilling has drill beam, current indicator, low frequency filter, high frequency filter, analog-digital transformer, comparison element, the first and the second key, boundary element, pulse counter, indicator of depth and registration unit. To increase discrimination ability and accuracy of layer power determination the appliance has memory unit, group of control inputs. The control inputs are connected to the inputs of the address of memory unit, outputs of that one are connected to the second group of inputs of comparison circuit.
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