ashless

释义

无灰的；

Ashless dispersants formed from substituted acylating agents and their production and use
Chemistry of Antiwear Films from Ashless Thiophosphate Oil Additives
Catalytic Hydrogenation of HyperCoal (Ashless Coal) and Reusability of Catalyst
1115 Friction and anti-wear properties of some ashless friction modifiers
Effect of acid treatment on thermal extraction yield in ashless coal production
Combination of ashless antiwear additives with metallic detergents: interactions with neutral and overbased calcium sulfonates
Tribological characteristics of ashless dithiocarbamate derivatives and their combinations with ZDDP as additives in mineral oil
Properties of tribofilms formed with ashless dithiophosphate and zinc dialkyl dithiophosphate under extreme pressure conditions
The Correlation of Microchemical Properties to Antiwear (AW) Performance in Ashless Thiophosphate Oil Additives
Elucidation of Mechanisms Involved in Acid Pretreatment and Thermal Extraction during Ashless Coal Production