The existence of odd-harmonic solutions for a second order pendulum-type oscillation equation was studied.
研究了二阶摆型振动方程奇调和解的存在性。
2
It shows potential to save on drinking water, auxiliary flocculent products and costs for maintenance, when two-chamber pendulum-type flocculent preparation plants are used.
研究发现，采用两箱摆式絮凝剂制备节省溶解自来水、降低絮凝剂用量和降低维修费用成为了可能。
3
Study by Alltech Dosieranlagen GmbH to exhaust the cost-reducing potentials when using two-chamber pendulumtype plants in comparison with the three-chamber preparation plants.