biogenic การใช้

• Unusually, diatoms have a cell wall composed of biogenic silica.
• Biogenic generation of methane takes place through two chemically distinguishable pathways.
• The only examples we find on Earth are all biogenic.
• There is some evidence for a biogenic occurrence of dolomite.
• There is a distinction between endogenous and exogenous biogenic amines.
• MAO ) breaks down biogenic amines and prevents excessive resorption.
• Its biogenic sediments contain a late-Devensian & Holocene pollen record.
• Biogenic silica occurs in the structure of diatoms, radiolaria and siliceous sponges.
• However, food containing high amounts of biogenic amines may have toxicological effects.
• Biogenic amines have been implicated as a potential cause of red wine headaches.
• The Nickel ( 1995 ) exclusion of biogenic substances was not universally adhered to.
• Most natural gas was created over time by two mechanisms : biogenic and thermogenic.
• About 30 % of people are sensitive to biogenic amines, such as histamines.
• It forms biogenic habitat by creating large aggregations of hundreds to thousands of individuals.
• Other biogenic amines may also have an effect.
• Biogenic deposition from suspension may also supply sediment to these deepwater bottom-currents.
• Coal derived methane appears to be mostly thermogenic in origin with some biogenic production.
• Diatoms, radiolaria and siliceous sponges use biogenic silica as a structural material for skeletons.
• As an alternative, several researchers have investigated the precipitation of metals using biogenic sulfide.
• Various kinds of rock coatings have developed on these lavas, some of biogenic origin.