sand-blast apparatus

The physical simulation experiments of natural gas hydrate ( NGH) production by depressurizing in sand-packed porous media were carried out using a new type of apparatus self-designed.

使用自制的一维天然气水合物开采模拟实验装置，对天然气水合物降压开采进行了物理模拟实验研究，考察了降压幅度、降压速度对开采效果的影响。

Study on properties of sand based on improved plane strain test apparatus

基于改良型平面应变仪的砂土特性研究

A test method for the high temperature sand corrosion resistant coatings has been described in this paper, and it comprises apparatus, operative principles, test procedures and results handling.

本文介绍一种涂层高温砂蚀试验方法，包括仪器、工作原理、试验步骤和结果处理。

The pond had recycle filter apparatus in which sand was biofield bed and air-pressed was powered.

并且对该鳖池的结构、滤床的熟化、再生、净化能力、应用管理做了初步的研究.