5624
By mixing nitrided 316 L powder with untreated 316 L powder , two different powder mixtures were obtained with 0.065 masB- % and 0.27 masB- % nitrogen , respectively .
 concept or principle: mixing; material: powder; material: powder; material: powder; material: nitrogen
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: manufacturing standard, machanical property, manufacturing process, material, engineering feature, process parameter, machine or equipment, application, process characterization, enabling technology, biomedical, concept or principle 
Text: {0} 
 Entities: mixing, powder, powder, powder, nitrogen 
Answer:
 concept or principle: mixing; material: powder; material: powder; material: powder; material: nitrogen