About: http://webisa.webdatacommons.org/166266346

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	When a boride is desired, the additional reactant may be any boron-containing material which contains only boron and hydrogen or other materials already present in the first reaction zone such as a halide.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com