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gravity measurement
Because the leveling route reaches over 120km in length and must go over two mountains in 2 800m height, the first-order precise leveling and precise gravity measurement should be carried out in the construction stage.
      
A gravity network was established by a crew of gravity measurement in July, 1981, with three LCR gravimeters.
      
The high accurate gravity measurement have been carried out many years in the capital region.
      
According to the characteristics of marine gravity measurement, this paper presents a new method of combined adjustment which takes into account both direct and indirect influence of position errors.
      
Development of an atom-interferometer gravity gradiometer for gravity measurement from space
      
Maximum variation was 40 units among individual tubers within hills (one unit equals one part in 1000th of specific gravity measurement) and 15 units among hills.
      
This experiment avoids the severe problem of shielding stray electromagnetic fields necessary for making a gravity measurement with charged particles, and also avoids the need to trap neutral particles.
      
The scale factor for lengths was computed on the basis of absolute gravity measurement made by the first lunarlanding mission Apollo11 at the landing site[1] under the assumption of a sufficient accuracy of the Stokes' constants used[2, 15].
      
Our investigation shows that this bias is caused by the location of gravity measurement points, chosen mostly on hill-tops.
      
This process was so simplified, that all far zone correction parameters depend on the topography can be determined - independent of the gravity measurement - for the whole survey area in one computer run (subprogram).
      
A repeated gravity measurement was taken in Paarl as a co-operation research project with Cape Town University, South Africa.
      
Four facilities for continuous gravity measurement were constructed in the area.
      
For reservoir monitoring purposes, gravity measurement accuracy better than 0.005 mGal will usually be required.
      
In 1994 FGI made the first absolute gravity measurement at the Aboa.
      
Study on the precise gravity survey method Methods of precise gravity measurement suitable for geothermal reservoir monitoring are investigated.
      
The applicability and its usage of borehole gravity measurement on geothermal reservoir monitoring are investigated in through the project.
      
The results of these measurements were study to improve the accuracy of the gravity measurement.
      
 

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