液相环境下振荡的压电石英晶体传感器的谐振频率变化主要受液体性质和表面质量负载的影响。
The resonance frequency shifts of piezoelectric quartz crystal sensors in contact with the liquid are influenced mainly by liquid properties and mass loading on the quartz crystal surface.
提出了用变分有限元方法计算容器内液体晃动谐振频率的方法和步骤，这种方法可适用于各种形状复杂的容器内液体晃动问题。
Calculation of resonant frequencies of sloshing in a container have been achieved by FEM with calculus of variation, which is able to solve sloshing in variety complex containers.
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