维生素

Improving the quality of the gulonic acid which is a intermediate of vitamin c , is important to the inter-quality of vitamin c.

古龙酸作为维生素C生产中的重要中间体，其质量的提高，对于维生素C的内在质量(包括晶型的完整、均一、保质期的延长等)有着至关重要的作用，本论文考察了以絮凝法对发酵液进行预处理，效果较好。

Results Eleven 2-substituted phenyl-5-(3'-indolyl)-oxazoles were prepared, the compounds 21 and 22 have shown antioxidative activity 3-4 times stronger than that of Vit E, and the compound 29 showed antioxidative activity almost as same as Vit E.

结果 合成了11个2-取代苯基－5-（3'-吲哚基）-恶唑衍生物，其中化合物21和22的活性比维生素E强约3~4倍；化合物29的活性与维生素E相近。

In humans it is interconvertible with certain other compounds, such as methionine, so deficiency does not lead to disease, but some other animals need it in their diet.

胆碱常被归入B族维生素，因其作用及在食物中的分布与B族维生素相似。

All patients were given intramuscularly Vit B12 and orally Vit B1 and Vit B6 respectively for three weeks.

82例DPN患者随机分为两组，均给予维生素B12肌注及维生素B1、B6口服。

The synthesis of ascorbyl laurate from methyl laurate and ascorbic acid was studied.

以月桂酸甲酯和维生素 C为原料，以固定化的脂肪酶为催化剂，合成了月桂酸维生素C酯。

Methods Mouse were smoking twice everyday in a self-made passive smoking cabinet, medicative group mouse were given respectively with sodium selenite, vitamin E, sodium selenite and vitamin E for 35 days.

方法小鼠置于自制被动吸烟箱中，每日吸烟两次，用药组小鼠分别给予亚硒酸钠、维生素E、亚硒酸钠和维生素E灌胃，连续35d。

Because of its very low levels of folic acid, vitamin B12 is also small, so goat milk to feed those who should be added folic acid and vitamin B12, or can cause megaloblastic anemia.

由于其叶酸含量极低，维生素B12也少，故羊乳喂养者应添加叶酸和维生素B12，否则可引起巨幼红细胞性贫血。

Establishing the specific phenotypic variant of methylmalonic acidemia requires studies on vitamin B12 responsiveness, C14 propionate tracer assays, complementation analysis, and cobalamin distribution assays.

要了解甲基丙二酸血症特异表型的类型需要进行维生素B12敏感性测试、C14丙酸盐示踪测试、互补分析和钴维生素分布分析。

We have found that some fermented food s contained microbiologically active vitamin B12 components.

植物性食物不含维生素B_(12)，但我们曾发现发酵食品中可检出维生素B_(12)活性物质。

We have found that some fermented foods contained microbiologically active vitamin B12 components.

植物性食物不含维生素B_(12)，但我们曾发现发酵食品中可检出维生素B_(12)活性物质。

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。