...简化公式法;工作曲线;比较法 [gap=600]Key words: alkali content; flame photometric; standard formula method; simplified formula method; work curve; comparative method ..
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The hydrodynamic pressure due to the coupled vibration is studied with Boundary Element Method, and the simplified formula for the attached mass matrix is derived.
运用自编边界元程序计算了闸门扰动时动水压力的分布，进而推导了附加质量阵的简化求法。
After deriving a simplified formula based on the linear theory of wave-making resistance, a method for design and improvement the ship-form is proposed.
通过导出简化的兴波阻力理论公式，提出一种运用线性兴波阻力理论进行船型设计与改进的方法。
Taking a simplified foundation plane ast he example, this paper derives a recommended formula with less calculation errors, improving the method for calculating the width of strip foundation.
以一个简化的基础平面为例，导出计算误差较小的建议公式，以改进墙下条形基础宽度的计算方法。
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