Low temperature fluidity of gear oils is an important fluid property as it directly impacts the useful life of a gear set.This paper compares low temperature fl
Automotive manufacturers are currently under pressure to improve fuel efficiency,and at the same time,reduce exhaust gas emission.To meet new emission requireme
A simple and general method for the synthesis of bi(acyl)disulfides isreported.Sulfur is allowed to react with sodium hydroxide to give sodium disulfideat 65℃
The bimetallic catalysts prepared from SiO<sub>2</sub>-supported Ru-Co,Ru-Fe and Ru-Mo carbonyl clusters exhibited high yields and selectivitiestowards oxygenat