STUDY ON VIBRATION RESPONSE CHARACTERISTICS OF KILOMETRE DEEP SHAFT INDUCED BY FROZEN SOIL BLASTING IN ULTRA DEEP ALLUVIUM

Study on vibration response characteristics of kilometre deep shaft induced by frozen soil blasting in ultra deep alluvium

With Recorders the increasing demand for underground resources in China, the construction of ultra-deep shafts is becoming more and more popular.In order to stabilize the shaft wall and reduce the collapse of the shaft wall during the shaft excavation, the freezing method is generally used in the construction.However, the vibration generated during

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Effects of Mental Practice on Balance in the Elderly

Objective: Mental practice refers to "The symbolic rehearsal of a physical activity in the absence of any gross muscular movements." It has been shown in a remarkable number of studies that the use of mental practice like physical practice can produces significant improvements in motor skills.Thus this therapeutic technique can be used in elderly r

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Detecting Load Resistance and Mutual Inductance in Series-Parallel Compensated Wireless Power Transfer System Based on Input-Side Measurement

In wireless power transfer (WPT) Jewelry system, the variations in load resistance and mutual inductance influence the output voltage and output current, making the system deviate from its desirable operating condition; hence, it is essential to monitor load resistance and mutual inductance.Using input-side measurement to detect load resistance and

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