Through the loading test of different displacement amplitude, various loading frequency and circulation, working properties of lead-core rubber damper were investigated.
通过不同位移幅值、不同频率和不同循环的加载试验，研究了铅芯橡胶阻尼器的工作性能。
The heat transfer coefficient of natural circulation flow increases with the rolling amplitude and frequency.
自然循环的流动的常数随着滚动幅度和频率而增加。
The results show that heat transfer of natural circulation under rolling is enhanced. Heat transfer coefficient increases with rolling amplitude and rolling frequency increasing.
试验结果表明，摇摆运动下，自然循环的换热能力得到了加强，摇摆的频率和振幅增加，换热系数也相应增加。
Finally, a forecast model of frequency of stratiform clouds in Qilian Mountains was built based on the circulation characteristic factors.
最后，用前期环流特征量为因子建立了祁连山主区层状云频率的预测模型。
Methods Cold circulation radio-frequency therapy was performed in 58 nodules of 41 patients with hepatic carcinoma.
方法采用超声引导下冷循环射频治疗41例肝癌患者58个结节。
The present paper gives an analysis of the low frequency (LF) vortex and divergent circulation systems and their interactions in terms of the ECMWF/WMO data (summer of 1984).
利用1984年夏季ECMWF/WMO资料分析了低频涡度系统和低频辐散环流系统，讨论了两者之间的相互作用。
The configuration and variable frequency adjusting speed of water circulation pump in city heat-supply system are introduced, and the effects of energy saving are analyzed.
对城市供热系统中循环水泵的配置及变频调速进行了介绍，分析了其节能效果。
Objective To investigate the clinical application value of ultrasound-guided cold circulation radio-frequency therapy in the treatment of hepatic carcinoma.
目的探讨超声引导下冷循环射频治疗肝癌的临床效果。
The interannual variability of dust weather frequency(DWF) in Beijing and its global atmospheric circulation are examined based on the correlation and composite analysis methods in this paper.
本文采用相关和合成的分析方法，研究北京沙尘频次的年际变化及其冬、春季的全球环流背景。
The interannual variability of dust weather frequency(DWF) in Beijing and its global atmospheric circulation are examined based on the correlation and composite analysis methods in this paper.
本文采用相关和合成的分析方法，研究北京沙尘频次的年际变化及其冬、春季的全球环流背景。
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