Bitumica Bitumica: PETROLEUM est expressi per Telluris crustam diu in natura et venit in contactum cum aer et humorem. Et lux oleum content paulatim evaporat, et PETROLEUM bitumen formatae per concentration et oxidatio est saepe mixta cum quadam proportione mineralium. Naturalis bitumen potest dividitur in lacum bitumen, petra bitumen, subaquaneam bitumen, oleum shale, etc ex environment in quo formatur.
Petra bitumen est bitumen, sicut substantia ex antiquis petroleum Seping in rimas de saxa et post centum milia annis depositionis, mutationem, adsorption et eget, in combined effectus calor, etc., etc.

Petra bitumen modified bitumen utitur petra bitumen ut modifier et mixtum cum matricem bitumen secundum quaedam miscent Ratio. Et mutatio bituminis produci per processuum ut miscentes, tonderet et progressionem. Refertur ad sicut NMB.
Petra Bitumen modified bitumen mixtisque est mixtisque produci per a "infectum" processus secundum 'petra bitumen mutatio bitumen "vel mixtisque produci per" arida ".
"Siccum modum" processus "arida modum" processus significat quod post infundens mineralibus materiae in miscentes ollam et mixtum Mineralis materia sicco in aliquo tempore et mixtisque mixtisque mixtisque in tempore.
“Wet method” process “Wet method” process means that the rock bitumen modifier and the base bitumen at a certain temperature are first mixed, sheared, and developed into the finished rock bitumen modified bitumen, and then sprayed into the mixing pot to mix with the ore. Bitumen mixtisque miscentes processus.