We also discuss the cruxes in oil detection by magnetic survey.
本文就磁测找油的几个关键问题进行了讨论。
The practical application indicated the high accuracy magnetic survey has obtained good effect in this work.
实际应用表明高精度磁测在此项工作中取得了良好的效果。
It is believed that magnetic survey is the effective technique to search for ferromagnetic objects underwater.
通过总结，笔者认为磁法探测技术是寻找水下磁性物体的最有效的方法。
The selection of base value is critical to the geomagnetic diurnal variation correction in Marine magnetic survey.
地磁日变基值的选取是海洋磁力测量地磁日变改正的重要内容。
Aeromagnetic data downward continuation to sea level instead of Marine magnetic survey data can improve use capability of survey data.
采用航磁数据向下延拓到海面代替船测数据，可提高磁力测量成果的综合利用率。
So far as 3D gravity and magnetic survey is concerned, the data acquisition, topographic correction and 3D forward and inversion methods are gradually practical;
对于重磁力三维勘探而言，数据采集、地形改正和三维正反演法已逐步走向实用；
The contour of sea surface magnetic field is an essential map in Marine magnetic survey. By using this map, the position of underwater ferromagnet is easily defined.
海面磁场等值线图是海洋磁探测的最基本图件，从中可以确定水下铁磁体的位置所在。
Through 1:50000 high-precision magnetic survey performed in Puchiya area, the authors acquired a detailed understanding of the characteristics of the magnetic field.
通过1： 5万地面高精度磁测的实地调查， 对工作区的磁场特征有了详细的了解。
The magnetic survey instrument is similar to the tool used in a single-shot survey except that camera is a modified movie camera that takes pictures every 15-20 seconds.
磁性测量仪器与单点测量所用的下井仪类似，不过它使用的摄影机是一种改造过的电影摄影机。每15~20秒钟可以照相一次。
Testing methods of instrumental system in the Marine magnetic survey have been studied in this paper, and the feasibility of each method has been testified by the observed data.
高精度的海洋磁力测量对磁测仪器系统的测量精度提出了更高的要求，文中对海洋磁力测量仪器系统检验的内容和动静态检验方法进行了研究，并通过实例验证其可行性。
This paper, based on a surface magnetic survey project, discussed the method and steps of two-dimension reversion of geomagnetic anomaly, introduced the applied results by an example.
文章通过一个地面磁测勘查项目，探讨了地磁异常二维反演的方法与步骤，介绍了一个实例的应用效果。
The geological mapping aimed at tracing the structures of the Sanshandao gold deposit was carried out in the Cangshang Covered Area in 1979, with the ground magnetic survey being the essential work.
本文介绍的是以地面磁法测量为主，于1979年在仓上覆盖区，以追索三山岛金矿构造为目的地质填图工作。
The Geological Survey of Canada, which conducts out periodic surveys to monitor magnetic north, says it is slowly drifting across the Canadian Arctic.
加拿大为了监测磁北而进行的周期性的地理调查显示磁极正在缓慢的漂过加拿大的北极圈。
Has analyzed the Helmholtz coil center region axial magnetic field distribution, gave one kind to survey the Helmholtz coil magnetic field distributed one new method.
分析了亥姆霍兹线圈中心区域轴向磁场的分布，给出了一种测量亥姆霍兹线圈磁场分布的一种新方法。
The shallow geothermal field in the south of Zhengzhou has been studied using integrated geophysical method of gravitative, magnetic and electrical survey.
利用重、磁、电综合物探勘测研究了郑州南浅层地热田。该地热田有明显的重磁电异常；
The results of the emulation and example show that the interpolation accuracy of these methods are different with distributing of known survey point and change of magnetic anomaly.
仿真与实例计算结果表明，已知点的分布情况及磁异常变化情况不同时，四种逼近方法的插值精度是不同的。
Introduced survey method of illegal waste landfill field in Taiwan. The method use magnetic prospecting and electrical prospecting with GPS. It promoted ratio of hit the target of pollutant sampling.
介绍了台湾地区采用磁法和电法物探方法，结合全球卫星定位系统，对违法废弃物掩埋场进行探测，提高了污染物取样命中率。
This paper reports a hygienical survey of the ship ULF magnetic field.
本文报道了船用超低频磁场的卫生学调查。
This paper reports a hygienical survey of the ship ULF magnetic field.
本文报道了船用超低频磁场的卫生学调查。
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