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- In this article we have made analyses and comparisons of synchronized data from an extensometer and a 4-component borehole strainmeter at Yingkou seismological station. 摘要本文对先后安装在营口地震台的伸缩仪和分量钻孔应变仪的同步观测数据进行了比对和分析。
- In order to improve the accuracy of observations and make further research, the in-situ relative calibration and absolute calibration of the 4-component borehole strainmeter at Guza station were made. 摘要为提高观测数据的准确性,对姑咱台四分量钻孔应变观测进行了实地相对标定和实地绝对标定。
- borehole strainmeter observation 钻孔应变观测
- four component borehole strainmeter 四分量钻孔应变仪
- 4-component borehole strainmeter 四分量钻孔应变观测
- Borehole strainmeter observations 钻孔体应变观测资料
- string-frequency borehole strainmeter 弦频式钻孔应变仪
- Following the idea of coseismic stress-triggering, coseismic strain steps recorded by borehole strainmeters are used to study coseismic stress-triggered fault slips. 摘要沿着同震应力触发的思路,提出了利用钻孔应变观测记录的同震应变阶反演同震应力触发断层活动的方法。
- borehole strainmeter 钻孔应变计
- 4-component borehole strainmeters 四分量钻孔应变仪
- Observation reports of coseismic strain changes by borehole strainmeters 钻孔应变同震变化观测报告文集
- The quality of borehole directly influences the effect of blasting. 钻孔质量的好坏,直接关系到爆破效果的优劣。
- Borehole fluid holdup defines what type of reinvasion occurs. 井内流体持率决定发生二次侵入的类型。
- A borehole image of rock layers indicating an underground point bar. 指示某地下曲流沙坝的一幅岩层钻孔图像。
- Borehole magnetic technique has been widely used in geology and CCSD. 井中磁测技术在地质、大陆钻探等方面都有广泛的应用。
- A new method for measuring the borehole water holdup is given in this paper. 论述了一种新型的油井持水率测定方法。
- Borehole hydromining is a kind of safe and efficient new mining method . 钻孔水力采煤是一种既安全、又能极大地提高资源利用率的新的采矿方法。
- The acoustoelectric effect of rock is investigated with experimental method in model borehole. 在模型井中对岩石的声电效应进行了实验研究。
- Orientation is very important for a seismometer, whether it is installed on surface or in borehole. 摘要无论地震计在地表或是井下使用,都必须精确定向。
- The results show that the data of shear strain 2 are reliable because the component 2 and 4 of shear strainmeter work normally. 通过对标定系数和滞后时间的分析认为:元件2、4工作状况比较稳定,观测值差应变2是比较可靠的;