Malic acid contents showed orderly diurnal fluctuation in the leaf of D. primulinum, and its rhythm demonstrated the characteristics of four phases exclusive to CAM species.
报春石斛叶片苹果酸含量表现出规律性的昼夜变化,其节律与典型CAM植物相似,呈现四阶段的鲜明特征。
参考来源 - 三种石斛的光合电子传递、碳同化动态研究The malic acid was connected to the chain end of the amphiphilic diblock copolymer MPEG-GA8-COOH also using the group protection method to increase the drug loading.
同样使用基团保护法,在MPEG-GA8-COOH端基接上苹果酸,得到端双羧基的嵌段聚合物,从而增加药物支载率。
参考来源 - 新型两亲性嵌段聚合物的合成及其抗肿瘤前药的制备·2,447,543篇论文数据，部分数据来源于NoteExpress
N a colourless crystalline compound occurring in apples and other fruits. Formula: HOOCCH2CH(OH)COOH 苹果酸; 存在于苹果和其它水果中的无色结晶物
The principal acids used are phosphoric, citric, fumaric, tartaric, and malic acids.
主要添加的酸有磷酸、柠檬酸、富马酸、酒石酸和苹果酸。
Abstract: The simuhaneous determination of organic acids, such as oxalic acid, aconitic acid, malic acid and citric acid by capillary electrophoresis was discussed.
文章摘要： 研究了毛细管电泳法分离测定草酸、乌头酸、苹果酸、柠檬酸等有机酸的条件。
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