Vol. 146 No. 2 (2021)

Articles

• Fault Diagnosis of Rotating Machinery Using Wavelet Analysis

  qiao hu (Author)

• Green Synthesis of Nanoparticles Using Plant Extracts

  Nina Sun (Author)

• Sentiment Analysis of Social Media Based on Transformer Models

  Oscar Li (Author)

• Adsorption Behavior of Heavy Metals on Modified Biochar

  Penny Zhang (Author)