polyhydric alcohols造句

• Resin acids are converted into ester gum by reaction with controlled amounts of glycerol or other polyhydric alcohols.
• This generates high levels of glycogen in the eggs, which is converted into the polyhydric alcohols glycerol and sorbitol.
• Lactose is hydrolysed to glucose and galactose, isomerised in alkaline solution to lactulose, and catalytically hydrogenated to the corresponding polyhydric alcohol, lactitol.
• Most polyurethanes are oil-modified formulas with a vegetable oil ( usually linseed, soya and safflower oils ) base that has been treated with polyhydric alcohol and disocyanate.
• These included improvements in the determination of nitrogen in organic compounds, determination of the structure of polyhydric alcohols and the synthesis of Succinic and other acids from the corresponding cyanides.
• Nitrates of polyhydric alcohols, of which propylene glycol dinitrate is an example, have been used in medicine for the treatment of angina pectoris, and as explosives since the mid-nineteenth century.
• Unsaturated polyesters are condensation polymers formed by the reaction of polyols ( also known as polyhydric alcohols ), organic compounds with multiple alcohol or hydroxy functional groups, with saturated or unsaturated dibasic acids.
• The principal current use of propylene glycol dinitrate is as a propellant in Otto Fuel II . Nitrates of polyhydric alcohols such as this have been used in medicine for the treatment of angina pectoris, and as explosives since the mid-nineteenth century.