【摘要】 江、河、湖、泊等水域取样是环境科学研究与资源勘查必不可少的工作。本项研究提供了一种适合水域取样的新型钻具——液压活塞取样钻具。与传统的活塞钻具相比,具有取样效率高、对地层适应能力强的特点。主要介绍了该钻具的结构及工作原理。更多还原

【Abstract】 Sampling in rivers and lakes is an essential work in environmental science research and resources exploration.This study provides a new drilling tool for water sampling—hydraulic piston corer.Compared with the traditional piston corer,it has the characteristics of high sampling efficiency and stratum adaptability.This article mainly introduces the design guideline and working principle of the corer.更多还原