DE149218A - - Google Patents

Info

Publication number

DE149218A

DE149218A DE149218A DE 149218 A DE149218 A DE 149218A DE 149218 A DE149218 A DE 149218A

Authority

DE

Germany

Prior art keywords

metal

arc

carbon electrodes

coal

parts

Prior art date

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Pending

Links

• Espacenet
• Global Dossier
• DPMA
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• 239000002184 metal Substances 0.000 claims description 7
• 229910052751 metal Inorganic materials 0.000 claims description 6
• 150000004706 metal oxides Chemical class 0.000 claims description 5
• 229910044991 metal oxide Inorganic materials 0.000 claims description 3
• VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
• 239000007769 metal material Substances 0.000 claims description 2
• 150000002739 metals Chemical class 0.000 claims description 2
• 230000015572 biosynthetic process Effects 0.000 claims 1
• 238000004040 coloring Methods 0.000 claims 1
• 239000003245 coal Substances 0.000 description 3
• OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
• GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
• 229910052799 carbon Inorganic materials 0.000 description 1
• 210000000078 claw Anatomy 0.000 description 1
• 239000003086 colorant Substances 0.000 description 1
• 238000011109 contamination Methods 0.000 description 1
• 238000011835 investigation Methods 0.000 description 1
• 238000000034 method Methods 0.000 description 1
• 229910017604 nitric acid Inorganic materials 0.000 description 1
• 229910052573 porcelain Inorganic materials 0.000 description 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1