コールタール
1. coal tar
2. Coal tarCoal tar is a brown or black liquid of extremely high viscosity. Coal tar is among the by-products when coal is carbonized to make coke or gasified to make coal gas. Coal tars are complex and variable mixtures of phenols, polycyclic aromatic hydrocarbons (PAHs), and heterocyclic compounds, about 200 substances in all.
Read “Coal tar” on English Wikipedia
Read “コールタール” on Japanese Wikipedia
Read “Coal tar” on DBpedia
Read “Coal tar” on English Wikipedia
Read “コールタール” on Japanese Wikipedia
Read “Coal tar” on DBpedia
コール・タール
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