1.
A Study on Treatment of Vitamin B_(12)-production Wastewater
维生素B_(12)生产废水处理技术研究
2.
Determination and Extraction of Vitamin B_(12) in Industrial Fermentation;
发酵生产维生素B_（12）的检测与提取研究
3.
Study on United Production of Propionic Acid and Vitamins B_(12) by Removal of Propionic Acid from Fermentation Broth;
维生素B_（12）-丙酸联产发酵中的丙酸在线分离
4.
Improvement of Assay Method for Vitamin B_(12) in Water-soluble Vitamins for Injection
注射用水溶性维生素中维生素B_(12)含量测定方法改进
5.
Screening of Lactobacillus for Vitamin B_(12)-producing and Studies on Biological Characteristics;
产维生素B_（12）乳酸菌的筛选及生物学特性的研究
6.
Relationship between cerebral infarction and serum levels of homocysteine,folate and vitamin B_(12)
血浆同型半胱氨酸及叶酸、维生素B_(12)水平与脑梗死发病的关系
7.
The Relationship between Recurrent Cerebral Infarction and Serum Folic Acid as Well as Serum Vitamin B_(12);
脑梗死复发与血清叶酸、维生素B_（12）浓度的关系
8.
Electrochemical Behavior of Vitamin B_(12) on Glasscarbon Electrode;
维生素B_(12)在玻碳电极上的电化学行为研究
9.
Determination of of vitamin B_(12) in infant formula powder by high performance liquid chromatography
高效液相检测婴儿配方乳粉中的维生素B_(12)
10.
Investigation of vitamin B12 deficiency in elderly inpatients in department of neurology
神经科住院老年患者维生素B_(12)缺乏的调查
11.
Effects of folic acid,vitamin B_6 and vitamin B_(12) on ischemic penumbra in cerebral ischemia rats
叶酸联合维生素B_6/B_(12)对脑缺血半暗带区影响
12.
The determination of vitamin B_(12) in fermentation broth by high performance liquid chromatography
HPLC法有效测定发酵液中维生素B_(12)的含量
13.
The levels of plasma homocysteine in patients with mild cognitive impairment and the effect of folic acid and Vitamin B_(12)
轻度认知功能障碍患者同型半胱氨酸水平及叶酸和维生素B_(12)的干预治疗作用
14.
Study about levels of folate and VitB_(12)and homocysteine and fat in patients with cerebral infarction
脑梗塞患者血清叶酸维生素B_(12)浓度与同型半胱氨酸及血脂水平的研究
15.
Determination of Total Homocysteine and Its Relationship with Folic Acid and VitaminB_(12) in Patients with Preeclampsia
子痫前期患者血浆总同型半胱氨酸水平及其与叶酸、维生素B_(12)的关系
16.
Effects of folic acid and vitamin B_(12) on homocysteine and nitric oxide (NO) levels in CHD patients with hyperhomocysteinemia
叶酸、维生素B_(12)对冠心病患者血清同型半胱氨酸、一氧化氮水平的影响
17.
The Cloning and Analysis of the Biosynthetic Gene of Vitamin B_(12) from Propionibacterium Freudenreichii;
费氏丙酸杆菌维生素B_（12）生物合成基因的克隆和解析
18.
Getamycin Sulfate and Procaine Hydrochloride and Vitamin B_(12) Granules for radioactive esophagitis
庆大霉素普鲁卡因维生素B_(12)治疗放射性食管炎的疗效观察