At the same time, some other oxycompound groups, such as carbonyl group, aldehyde group and ketone group, appear or increase with temperature rising.
与此同时，醛、酮、酯类羰基、芳香酮、醛类羰基等类含氧基
者从无
有，者官能数量不
。
At the same time, some other oxycompound groups, such as carbonyl group, aldehyde group and ketone group, appear or increase with temperature rising.
与此同时，醛、酮、酯类羰基、芳香酮、醛类羰基等类含氧基者从无有，者官能数量不。
Sugar alcohol (alditol) An alcohol derived from a monosaccharide by reduction of its carbonyl group (CO) so that each carbon atom of the sugar has an alcohol group (OH).
单糖的羰基(CO)还原得一个醇．继而糖分子的每个碳原子都连有一个羟基(OH)。
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