Shock and Vibration / 2018 / Article / Fig 11

Research Article

Scale Effect on the Anisotropy of Acoustic Emission in Coal

Figure 11

Fractal anisotropy in the coal specimens with different diameters.

We are committed to sharing findings related to COVID-19 as quickly and safely as possible. Any author submitting a COVID-19 paper should notify us at help@hindawi.com to ensure their research is fast-tracked and made available on a preprint server as soon as possible. We will be providing unlimited waivers of publication charges for accepted articles related to COVID-19.