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  gravity survey
In mountainous area, gravity survey external corrections, including terrain and Bouguer corrections, are the prerequisites for gravity data processing and interpretation.
      
We carried out a high precision gravity survey in the SHJZ structural zone.
      
In this paper we have analyzed precise gravity survey and gravity effects resulted from water loading, crustal deformation, ground water level change and precipitation before and after the water impoundment in the Three Gorges Reservoir.
      
It appears that a combination of both systems would provide an ideal airborne gravity survey system, combining the excellent bias stability of the LCR gravimeter with the higher dynamic range and increased spatial resolution of the strapdown INS.
      
As an example, we estimate the gravity values along the flight-lines from an airborne gravity survey over the Alps and introduce an a priori covariance matrix of the gravity disturbances from a global geopotential model.
      
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  gravimetry
The performance characteristics of the proposed crystallization method are comparable to those of conventional gravimetry.
      
The proposed method outperforms gravimetry in its simplicity, versatility, possibility of automation, rapidity, and small volumes of test water portions.
      
The macrotexture and mechanical properties of porous Al2O3/Al metal ceramics prepared by the hydrothermal treatment of aluminum powder in a closed space are studied using gravimetry, pycnometry, mercury porosimetry, and scanning electron microscopy.
      
Kinetics of the contact deposition of nickel on aluminum from alkaline ammonia solutions of different composition is studied by methods of voltammetry, gravimetry, and x-ray fluorescent analysis.
      
The effect of thiocyanate on the corrosion dissolution rate of silver in thiosemicarbazide (TSC) ammonium-chloride-bromide solutions was studied by using gravimetry and rotating disc electrode technique.
      
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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
      
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  gravity measurements
According to preliminary gravity measurements, the pluton is a flattened intrusive body (laccolith) with its base subsiding in stepwise manner northwestward.
      
The high-precision air navigation tools developed in recent decades enable airborne gravity measurements that are suitable for solving many problems of geophysical exploration.
      
Methods taking into account the effect of tidal forces on gravity measurements are considered.
      
The modern accuracy of gravity measurements being 1-2 μGal, the ocean tide effect, together with other less significant factors, should be considered for the correct interpretation of gravity data.
      
Qomolangma and its north vicinal area, independently or cooperatively with other countries, including triangulation, leveling, GPS positioning, atmospheric, astronomical and gravity measurements.
      
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In this paper,the advances of the gravity survey and research over the past tens years in China is reviewed.The developments,application and the main research results of gravimetry in geodetic surveying, earth internal structure, gravity prospecting and regional investigation, earth tide and non-period tide variation, as well as the gravity survey on the mountain area,on the ocean and at the polar region are summarized.The progresses and achievements of the develop of instruments and the observed technique are...

In this paper,the advances of the gravity survey and research over the past tens years in China is reviewed.The developments,application and the main research results of gravimetry in geodetic surveying, earth internal structure, gravity prospecting and regional investigation, earth tide and non-period tide variation, as well as the gravity survey on the mountain area,on the ocean and at the polar region are summarized.The progresses and achievements of the develop of instruments and the observed technique are presented.The gravity theory and research method as well as application are expounded briefly.Mainwhile,same proposals about the development of gravity in future are suggested.

本文回顾了中国重力测量与研究工作几十年来的发展过程.对于重力测量在大地测量、地球内部构造、重力勘探与区域调查、地球固体用与非潮汐变化,以及在高山、海洋与极地等方面的发展、应用和主要成果作了概括性的综述.对重力测量的仪器研制与观测技术的进展及成就作了介绍.对于重力理论与方法研究及其应用等方面也作了扼要的论述.并且对今后重力工作提出几点建议.

The paper gives a brief review on the development of gravity prospecting in last decade.Which characterized by rapidly extending the gravity coverage under the unified programme,by the improvement of method and technobgy,by adopting the advanced dataprocessing and interpretation theory.The abundant results obtaind in many respects of the special scientific and economic problems.The prospects for the development of gravity prospecting in the next decade is also described in this paper.It puts the stress on analying...

The paper gives a brief review on the development of gravity prospecting in last decade.Which characterized by rapidly extending the gravity coverage under the unified programme,by the improvement of method and technobgy,by adopting the advanced dataprocessing and interpretation theory.The abundant results obtaind in many respects of the special scientific and economic problems.The prospects for the development of gravity prospecting in the next decade is also described in this paper.It puts the stress on analying the Possibilities of promoting the geological officiency of gravity prospecting and expanding its apphcation scope and the importance of relying upon the technique improvement and strengthening the theoritical research in the development of gravity prospecting.

本文回顾了重力勘探在最近10年中取得的进展,主要表现在统一规划下迅速扩大了重力测量的覆盖面积,测量方法和仪器装备的改进,采用先进的数据处理和解释方法,以及在科学和经济问题的许多方面的应用已取丰硕成果.同时还对今后10年重力勘探的发展方向作出了展望,着重分析了提高重力勘探地质效果和扩大应用领域的可能性,以及依靠技术进步和加强理论研究对发展重力勘探的重要性.

We report about absolute gravity measurements at 8 stations in China, including the International Absolute Gravity Basestation Network (IAGBN) stations Beijing and Nanning.The uncertainty of the results (two-sigma) is of the order of 10×10-8m· s-2.We compare our results with earlier absolute determinations at same stations.

本文叙述了中国8个点(其中包括北京和南宁两个国际绝对重力基本网点)上的绝对重力测量.重力值的不确定度(2σ)为10×10-8m·s-2.并将这些点的测量结果与同一点上的其他仪器的测量结果作了比较.

 
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