acetoacetic acid

1. Any of three compounds ( acetoacetic acid, acetone, and/ or beta-hydroxybutyric acid) found in excess in blood and urine of persons with metabolic disorders.
   三种化合物中任意一种（乙酰乙酸、丙酮和/或β羟基丁酸），人体的血液和尿中大量含有。
2. Saponification of β, γ-unsaturated sec-alkyl acetoacetic acid esters and the synthesis of linalool derivatives
   β，γ-不饱和仲烃基乙酰乙酸乙酯的皂化及芳樟醇衍生物的合成
3. Objective: To determine the possibility of diagnosing diabetes mellitus ( DM) and especially in its early days by testing acetoacetic acid ( AcAc) and β-hydroxybutyric acid(β-HBA).
   目的：研究乙酰乙酸（AcAc）、β-羟丁酸（β-HBA）检测用于糖尿病（DM）尤其早期糖尿病诊断的可能性。

noun

1. unstable acid found in abnormal amounts in the blood and urine in some cases of impaired metabolism (as diabetes mellitus or starvation)