Based on the principle of conversation of energy, the energy for rotary drilling has been analyzed.

旋转钻进是岩土工程钻探的主要钻进方式，从能量守恒原理出发，对旋转钻进的能量进行分析。

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Based on the principle of conversation of energy, the energy for rotary drilling has been analyzed.

旋转钻进是岩上工程钻探的主要钻进方式，从能量守恒原理出发，对旋转钻进的能量进行分析。

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The rigid-body average deceleration is estimated using the law of conversation of energy, and it is in good agreement with numerical results.

采用能量守恒原理估算了侵彻过程中平均减速度，与数值模拟结果一致性良好；

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He said the profit margins of the energy companies over the year were reasonable, given the investment needed in energy infrastructure, and an "honest conversation" was needed on the future of energy.

BBC: Are energy price rises inevitable?

For the first time, customers can be part of the daily energy conversation and change the way they consume power.

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The notion of a necessary tension between energy and environment is one of the false dichotomies falling by the wayside in the energy-environment conversation.

FORBES: Magazine Article