【正】In this paper,the influence of aromatic content,one of main fuel properties,on diesel particulate emissions was studied at five steady-state operating con
<正>The total production capacity of SBC(styrene block copolymer) owned by SINOPEC has reached 410 kt/a,which has exceeded the total SBC capacity(405 kt/a) of t
<正>The commercial test project rated at 5 kt/a hexane-1, on whichPetroChina has the independent intellectual property right, isunder construction intensively a
<正>In this paper,the structure and characteristics of the NS high-efficiency composite trays based on the doublelayer aperture jet sieve plate and compositely