27094
Kinetic Evidence for a Non - Langmuir - Hinshelwood Surface Reaction : H / D Exchange over Pd Nanoparticles and Pd ( 111 ) .
 H, D, Pd, Pd ( 111 )
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 H, D, Pd, Pd ( 111 )