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，
、
、酯类羰基、芳
、类羰基等类含氧基
或者从无到有，或者官能数量不断增加。
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，、、酯类羰基、芳、类羰基等类含氧基或者从无到有，或者官能数量不断增加。
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
的羰基(CO)还原得到一个醇．继
子的每个碳原子都连有一个羟基(OH)。
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