二酸的

Specific activity of NADP isocitrate dehydrogenase, methylmalonyl coenzyme A mutase and the concentration of αketoglutaric acid were higher with added soybean oil than that not added, and the concentration of succinic acid was lower than that without added soybean oil.

通过实验测定发现，发酵过程补加豆油后，异柠檬酸脱氢酶、甲基丙二酰CoA异构酶的比活以及α酮戊二酸的量均高于不补加豆油时的值，而琥珀酸的量低于不补加豆油时的值。

Such a process is particularly useful in the production of difunctional monomers and intermediates in the synthesis of adipic acid.

这样一种方法对于制备双官能单体和合成己二酸的中间体特别有用。

The synthesis of azelaic acid through oxidation of ol eic acid with 50% aqueous hydrogen peroxide has been studied by using catalyst containing tungsten and phase transfer catalyst .

以 5。 0 %过氧化氢为氧化剂，钨化合物为催化剂，在三辛基甲基氯化铵和双十八烷基二甲基氯化铵为相转移试剂的条件下，考察了油酸氧化制备壬二酸的催化反应活性。

A novel one-step green process for synthesis of glutaric acid by selective oxidation of cyclopentene was investigated.

研究了以环戊烯为原料、草酸为有机络合剂、H2O2为氧化剂，在催化剂钨酸(H2WO4)的作用下一步合成戊二酸的绿色新过程，考察了氧化剂的含量、反应物配比、催化剂用量、反应温度、反应时间等对反应的影响。

In R.trifolii, matABC operon participates in malonate metabolism, and regulated by GntR transcription regulator MatR.

在三叶草根瘤菌中， matABC操纵子参与丙二酸的代谢，受到GntR转录调控因子MatR调控。

Under the above conditions,the yield of malonic acid is 89.8%.

在此条件下，丙二酸的收率为89.8%。

Serum and urinary methylmalonic acid levels were found to be significantly decreased after LDLT, whereas serum and urinary MMA levels did not return to normal in any patient. One patient died of sepsis 44 days after LDLT.

血和尿中甲基丙二酸的水平在LDLT后明显下降，虽然任何一名患者血和尿中MMA水平均为降至正常。1名患者在LDLT后因脓毒血症而死亡。

Keywords: Ni, phenethyl malonic acid, crystal structure, water cluster 1 INTRODUCTION Molecular structures of metallic complex and intermolecular weak interaction mode have become the focal fields of crystal engineering and supramolecular chemistry.

主题词： Ni，苯乙基丙二酸的酸，晶体结构，水群 1金属复杂和分子间的弱相互作用方式介绍分子结构成为了水晶工程学和supramolecular化学的焦点领域。

Hydrogen peroxide(H_2O_2)was used as oxidant,oxalic acid as complexing agent and tungstic acid (H_2WO_4)as catalyst.

研究了以环戊烯为原料、草酸为有机络合剂、H2O2为氧化剂，在催化剂钨酸(H2WO4)的作用下一步合成戊二酸的绿色新过程，考察了氧化剂的含量、反应物配比、催化剂用量、反应温度、反应时间等对反应的影响。

Dimethyloldodecanoic acid was synthesized using lauric aldehyde ,formaldehyde and hydrogen peroxide as regents through aldol condensation and oxidation reactions.

研究了以月桂醛、甲醛、过氧化氢为原料，经羟醛缩合、过氧化氢氧化合成2，2-二羟甲基十二酸的方法，探讨了原料摩尔比、催化剂或氧化剂用量、反应温度和时间对羟醛缩合反应和氧化反应的影响。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。