A simplified theoretical method for calculating tandem propellers is presented in this paper.
本文提出了一个串列螺旋桨的简化理论计算方法。
A simplified Lewis-Mathson method for seeking the number of theoretical plates in binary rectification column is presented.
本文给出了一种求算二元精馏理论塔板数的简化逐板计算法。
The mechanism of the increasing of the anchorage capacity is discussed in detail. The theoretical formulas of the anchorage capacity and a simplified calculation method are provided.
对提高锚固力机理进行了详细的探讨，在理论上提出了计算锚固力的公式，也提出了简化的计算方法。
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