2048
On-line LIBS quantitative analysis of key components ( carbon and tungsten ) was demonstrated during the synthesis of highly wear-resistant coatings and obtained results were in good agreement with offline analysis performed by electron energy dispersive X-ray spectroscopy , X-ray fluorescence spectroscopy , and the combustion infrared absorption method .
 quantitative, components, carbon, tungsten, coatings, energy dispersive X-ray spectroscopy, X-ray, fluorescence, infrared absorption
Please list all entity words in the text that fit the category. Output format is "word1, 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} 
Answer:
 quantitative, components, carbon, tungsten, coatings, energy dispersive X-ray spectroscopy, X-ray, fluorescence, infrared absorption