钻探取样

天然气水合物钻探取样技术介绍

Introduction to coring technology by drilling of gas hydrates

试论月球表面钻探取样的难点与关键技术

Difficulties and key technologies of lunar drilling and sampling

试验结果表明，本文所设计的多杆组接式钻探取样系统具有可行性。

The results show that the design of multi-pipe drilling and sampling system is feasible .

我国探月工程可采用的一种月球钻探取样方法的初步分析

Elementary Analysis on One of the Possible Drilling and Sampling Techniques for China Lunar Exploration Project

通过钻探取样对一个垃圾场底部土层的污染状况进行了现场调查。

Investigation of pollution situation of bottom layer of a landfill by boring sampling was carried out .

目前，在工程实践中对原状土样的采取多通过开挖竖井及平洞的方法进行，但在埋深较大的情况下，由于开挖竖井及平洞较为困难，多采取钻探取样的方法。

The undisturbed soil is usually sampled through excavating shaft and adit , but through borehole sampling for deep soil .

通过对实际工程的观测、调查、钻探取样及化验分析，详细剖析了混凝土碱-骨料反应的机理和过程。

On basis of observations , investigations , core drillings and chemical tests of the engineering case , the article makes detailed analysis on the mechanisms and processes of the alkali-aggregate reactions in concrete .

弹药的远距离钻探和取样系统；

Remote drilling and sampling systems for munitions ;

选择典型地段进行钻探、取样、标贯、静探、动载荷试验等现场原位测试，取得代表性地段现代黄河沉积形成的饱和细粒土地层结构、力学指标和地球物理参数；

From these tests , the stratal configuration , mechanics index and geophysics parameters of the saturated fine grained soil caused by sedimentation in the representative location of the Yellow River nowadays .