A new ultrasonic test method can acquire high-resolution shale data in the lab by using new geometries for sample testing with specialized equipment suited for measuring shale formations at reservoir ...

Sampling is a technique in which samples are drawn at random (without any favor or bias). For this, suitable measures or procedures may be laid down and adopted according to the nature and ...

Over 50 years ago, the first commercially available SEM was unveiled. Yet, to this day no internationally accepted standard exists for the determination of SEM resolution. Further, to confuse matters ...