计算公式

An advance towards rule uses the least deviation interpolation to realize the anti-clockwise arc processing in the first quadrant is introduced in detail.

详细介绍了利用"最小偏差插补法"实现第一象限逆向圆弧加工的进给规则，推导出其他各象限顺、逆向圆弧的插补计算公式。

The magnetic flux density distribution of flat spiral coil simulation by impulsive current usually used in electromagnetic metal forming is researched.

对平板毛坯电磁成形用平面螺旋线圈在电流激励下磁场强度的分布特性进行了研究，推导出磁感强度的计算公式，并用实验验证了其正确性。

Based on the approximation expression of the oil film force of CSFD presented in chapter 6 for the short bearing, effectiveness of the active vibration control of CSFD on the rigid rotor、flexible rotors with one disk and two disks are studied both theoretically and experimentally.

在第六章推导出了CSFD在短轴承π油膜假设下油膜力的计算公式之后，分别从理论及试验两方面详细地分析了CSFD对刚性转子、单盘柔性转子、双盘柔性转子系统的振动进行分段控制的控制作用；讨论了不同的控制规律、切换滞后、切换次数以及转子角加速度等对控制效果的影响，以及在双稳态区切换时转子运动的方向性问题。

Catenary single rib arch that carries vertical loadings and transverse wind loadings was analyzed in this paper, calculation formula of critical loading of lateral stability flexuosity by the energy principle.

本文通过对承受竖向均布荷载和横向风荷载的悬链线单肋无铰拱的分析，利用能量原理，建立了单肋拱的横向静风稳定屈曲临界荷载的计算公式。

Catenary assembled single rib arch that carries vertical loadings and was analyzed in this paper, calculation formula of critical loading of lateral stability flexuosity by the energy principle.

本文通过对承受竖向均布荷载的悬链线组拼无铰拱的分析，利用能量原理，建立了组拼拱的横向稳定屈曲临界荷载的计算公式。

The formula to calculate the flotage of air-filled bucket and the force equilibrium equations of structure are derived according to the assumption that the compression relationship of the air half-closed in bucket is linear.

假设浮筒内的空气为理想气体，导出了气浮力的计算公式和气浮结构的力平衡关系。

Hydraulic resistance coefficient formulas are derived according to a great number of flume experiments and relative theory analysis.

3通过系列水槽试验和相关理论分析，提出了十字片梅花加糙的有效水深和水力阻力系数计算公式。

The calculation equation of impact reverse force vector is obtained when the existence of departure between strike place of hammer of crusher and impact center based on the theory of mechanics.

应用理论力学的碰撞理论，求证了锤式破碎机锤头对矿石的打击偏离碰撞中心时，在锤头销孔处产生的碰撞反力的大小和方向，给出了计算公式。

Correction on the computation formula of the number of Fortresses within the domains.

修正了堡垒的领地数字的计算公式。

Based on engineering practice and experiment, considering the lateral interaction of the pile and soil between piles, the computation formula of bearing capacity of granular material pile is proposed.

在工程实践及实验基础上，提出了考虑桩与桩间土横向相互作用的散体材料桩复合地基的承载力计算公式。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。