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- borehole gravimeter 井下重力仪
- 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。
- borehole gravimetry 井中重力测量
- The paper also introduces the new process of gravimeter research in NIM. 还简单介绍了中国计量科学研究院在这一方面研究的最新进展。
- 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 density of the required data of astronomical measurement, gravimeter survey and geodesic survey is not satisfied. 需要的天文测量、重力测量、大地测量等数据的密度无法满足其需要。
- 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 Typical Absolute Gravimeter and the Atom Interferometer are the main equipments which measure the g directly. 摘要经典绝对重力仪和原子干涉绝对重力仪是目前国际上研制用来直接测量重力加速度值的主要精密计量仪器。
- A micro-Gal absolute gravimeter based on high-precision and high-stability heterodyne interferometer is presented. 本文提出的微伽绝对重力仪基于高精度、高稳定的差动干涉仪。
- The value of gravimeter surveys for gravity-change detection lies in the fact that gravity change indicates elevation change. 用重力测量检测重力变化的意义在于，重力变化表示高程变化。
- In modern logging several different kinds of measurements are taken simultaneously in a borehole. 现代测井操作在一个钻孔中同时进行多种不同的测量。
- The priority is on keeping the exposed rock formation in the borehole stable while avoiding the loss of drilling fluid. 此时的重点是要保持钻孔中裸露岩层的稳定,同时还要避免钻井液流失。
- Point bars modeled in a North Texas gas field on the basis of borehole and seismic images. 根据钻孔和地震图像建立的德克萨斯州北部某气田中的曲流沙坝模型。
- The value of gravimeter surveys for gravity change detection lies in the fact that gravity change indicates elevation change. 用重力测量检测重力变化的意义在于,重力变化表示高程变化。
- At the bottom of a deep well, the borehole might be 8 inches (20 centimeters) in diameter. 在深井的底部,钻孔的直径可达8英寸(20厘米)。
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