二酸的

After orthogonal test we found that no mold air ratio and lodge time mainly affect fermentation of 2- keto - L- gulonic acids among the four agents : sorbital concentration, no mold air ratio lodge time and sterilization temperature .

通过正交实验研究发现，在山梨醇浓度、无菌空气比、山梨糖灭菌方式、存放时间四个因素中，以无菌空气比、存放时间对二步发酵2-酮基-L-古龙酸的积累影响较大。

The features of molecular structure of aromatics, resins and asphaltenes were investigated by ruthenium-ion-catalyzed oxidation, where involatile acid products were methylated with excess diazomethaneether and volatile acids were esterified with phenacyl bromide.

利用钌离子催化氧化方法对大港减压渣油芳香分、胶质和庚烷沥青质进行了选择性降解，通过GC、GC-MS等分析手段对降解反应产物中一元正构脂肪酸、α，ω-二元正构脂肪酸和苯二～六元羧酸的含量和分布分别进行了定量分析。

Malonate is a competitive inhibitor of the enzyme succinate dehydrogenase.

例如丙二酸是琥珀酸脱氢酶的竞争性抑制剂。

The optimal concentration of EDTA in extracting nickel and cobalt was 1~10mmol/L, those of citric acid and malonate were 10~30mmol/L.

柠檬酸、丙二酸活化土壤中Ni、Co的最佳浓度浓度范围在10~30mmol/L之间。

Malonic acid derivatives is the formation of complexes of ligand good, especially in the coordination of biological chemistry is of great significance.

丙二酸衍生物是形成配合物的良好配体，特别是在生物配位化学中具有重要意义。

Rodionov method is applied in this paper, that is, corresponding aldhyde, malonic acid and ammonium acetate are used to synthesize P-amino acids.

本文主要采用Rodionov法进行合成，即以不同类型的醛和丙二酸、乙酸铵为原料来制备β-氨基酸。

Objective This study aimed to explore the clinical characteristics and treatment of neonatal methylmalonic academia.

探讨新生儿甲基丙二酸血症的临床特征和治疗方法。

Objective To investigate the causes, diagnosis and treatment of infants with secondary methylmalonic aciduria due to maternal vitamin B 12 deficiency.

目的 探讨婴幼儿继发性甲基丙二酸尿症的病因、诊断和治疗。

The diagnosis of this disease depends on the measurement of acylcarnitine in the blood by gas-chromatography mass spectrometry and the detection of methylmalonic acid in the urine by tandem mass spectrometry.

诊断依靠串联质谱检测血中的酰基肉碱和气相质谱检测尿甲基丙二酸。

Methods Based on JTT-501 and JTT-20993, new isoxazolidine-3,5-dione and noncyclic 1,3-dicarbonyl compounds were designed and synthesized.

以JTT 501和JTT 20993为先导化合物，设计并合成新的丙二酸类和异恶唑类化合物，并测定其胰岛素增敏活性。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。