4448
X-ray diffraction tests were conducted and the results demonstrated that the generation of intermetallic phases effectively avoided following the composition route .
 process characterization: X-ray diffraction; material: intermetallic; concept or principle: composition
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: X-ray diffraction, intermetallic, composition 
Answer:
 process characterization: X-ray diffraction; material: intermetallic; concept or principle: composition