self-hardening sand

The formation of sand ripples is a self-organization process sandscale by merging of small ripples.

结果表明,沙波纹的形成是小波纹合并长大的自组织过程.

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。

Manufacturing Method of Self-solidified Furan Resin Sand Binder for Environment Protecting and Its Application

环保型自硬呋喃树脂砂粘结剂的制作与应用

Follow the three R's: Respect for self, Respect for other'sand Responsibility for all your actions.

遵守三个原则 ︰ 尊重自己; 尊重他人;为个人一切行为负责.

Manufacturing method of a self-furan resin sand binder for environment protecting and its application was introduced.

介绍了一种环保型呋喃树脂砂粘结剂的制作方法和应用.