新型数字化微流量观测仪的研制
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摘要
震例与现场观测证明井孔流量是映震灵敏的地下流体观测项目。然而,目前尚缺乏井孔水流量长期稳定的观测技术,特别是微小流量的流体流量观测技术,因此自流井的流量观测一直作为探索性、辅助性的观测项目。基于目前地震观测台站普遍采用的容积式或称重式人工观测,结合直接式质量流量观测仪及称重原理,采用相对测量方法设计了一种新型高精度数字化微流量观测仪。
The summary of many earthquake examples and the field experiment have proved that the well flow observation is one of the observational items which can reflect earthquake sensitively.However,the long-term stability of well flow observation,especially,the micro-flow observation technology,has not been effectively solved until now,so the flow observation of the artesian well has been an exploratory and auxiliary observation item.On the basis of artificial observation of the volume or weight which generally used at seismostations now,combining with the principles and methods of direct mass flowmeter and weighting,a new kind of high precision digital flow observation apparatus is designed with the relative measurement method.
The summary of many earthquake examples and the field experiment have proved that the well flow observation is one of the observational items which can reflect earthquake sensitively.However,the long-term stability of well flow observation,especially,the micro-flow observation technology,has not been effectively solved until now,so the flow observation of the artesian well has been an exploratory and auxiliary observation item.On the basis of artificial observation of the volume or weight which generally used at seismostations now,combining with the principles and methods of direct mass flowmeter and weighting,a new kind of high precision digital flow observation apparatus is designed with the relative measurement method.
引文
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2车用太,等.试论“十五”期间我国地震地下流体前兆台网的优化与建设问题[J].国际地震动态,2001,11:1~8.2 Che Yongtai,et al.Discussion on optimization and construc-tion of seismic precursor networks of subsurface fluid in Chi-na during the time of the“Tenth Five-Year Plan”[J].Re-cent Developments in World Seismology,2001,11:1-8.(in Chinese)
3车用太,等.试论地下水流量观测的重要性[J].地震,1995,5:74~77.3 Che Yongtai,et al.Discussion on importance of flow obser-vation of groundwater[J].Earthquake,1995,5:74-77.(inChinese)
4周振安,等.数据采集系统的设计与实践[M].北京:地震出版社,2005.4 Zhou Zhenan,et al.Design and practice of the data acquisi-tion system[M].Beijing:Seismological Press,2005.(in Chi-nese)
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