JP2000044972A
|
|
Method for improving biodegradability of lubricant, biodegradability improver, and biodegradable lubricant composition
|
JPH10316983A
|
|
Lubricating composition
|
JPH09304304A
|
|
Void fraction measuring device
|
JPH09249888A
|
|
Prevention of half stuck of piston ring and gasoline used therefor
|
JPH078271A
|
|
New microorganism assimilating petroleum and waste oil
|
JPH078270A
|
|
New microorganism assimilating petroleum and waste oil
|
JPH06263701A
|
|
N,n'-diallyl-2,6-naphthalene-dicarboxamide and polymer using the same
|
JPH05202367A
|
|
Method for desulfurizing and denitrating light oil by extraction
|
JPH04288322A
|
|
Poly(9,10-dihydrophenanthrene-2,7-diyl) polymer, and production and use thereof
|
JPH04286805A
|
|
Poly (9,10-dihydrophenanthrene-2,7-diyl) copolymer film-shaped substance and its manufacture
|
EP0386687A2
|
|
Method of measuring reduction of surface layer material and apparatus therefor
|
JPH0375511A
|
|
Method and apparatus for measuring reduced amount of thickness of moving body through radioactivity
|
JPH0331709A
|
|
Method and device for measuring quantity of thickness reduction due to ultramicro radioactivity
|
JPH02234054A
|
|
Method and device for measuring reduced thickness quantity of substance surface
|
JPH02150492A
|
|
Antinock agent
|
JPH0236134A
|
|
Separation and concentration by inclusion of naphthalenes
|
JPS6314736A
|
|
Recovery of coronene and apparatus therefor
|