The process of hydrogenation, which turns liquid vegetable oil into the solid oils used in commercial baking, destroys the vitamin K naturally found in the oils.
The heat breaks the biomass down into a charcoal-like solid and the bio-oil, giving off some gas in the process.
这种情况下，加热会把生物原料变成木炭似的固体物质和生物原油，同时释放某些气体。
3
Supply disruptions in the North Sea and the absence of Libyan crude exports are providing solid support to the benchmark, which is used to price more than half of the world's oil.