Jan 6 , 1993Mar 22 , 1994Energy Mines And Resources CanadaHydrocracking of heavy asphaltenic oil in presence of an additiveto preventcoke formationUS5332489
the deposition of carbonaceous materials on the catalyst surface and pores as a consequence of complex side reactions accompanying the cracking reaction , such as aromatization , polymerization , alkylation and the like(passive) is caused byCoke buildup
One other possible solutionto preventcoke build - up
the anti - balling denture at the reheel ( a pliant formative canvasspreventscoke buildup
that the optimum amount of acidic sites tendsto preventcoke formation,40–42
properties of coke that are of importance to metallurgical practice ... it does appearto influencecoke strengthl-5
PansakleadCoke - Bangpra
that alcohols and carboxyl acids could be successfully mixed to create fibersdiscoveredthat alcohols and carboxyl acids could be successfully mixed to create fibers
off metal furniturepaintoff metal furniture
eventuallycauseseventually
in a decrease in surface area and pore volume for the niobia- and zeolite - supported catalystresultedin a decrease in surface area and pore volume for the niobia- and zeolite - supported catalyst
Classic Rock Rare second album from this Bay area latin rock band(passive) led byClassic Rock Rare second album from this Bay area latin rock band
scavenge screen blockage which can prevent the lube and scavenge oil pump fro effectively scavenging the oil from the B - sump during engine operationis causingscavenge screen blockage which can prevent the lube and scavenge oil pump fro effectively scavenging the oil from the B - sump during engine operation
a scrap crushing machine based on pneumatic systemto designa scrap crushing machine based on pneumatic system
TV adcreateTV ad
an inspired big band version of the aforementioned Latin - Rock pioneerscreatedan inspired big band version of the aforementioned Latin - Rock pioneers
The current image of Santa Clause(passive) was created byThe current image of Santa Clause