叶酸

Objective To understand the level of serum folate and hemoglobin among women of childbearing age.

目的 了解陕西省育龄妇女血清叶酸和血红蛋白水平。

The vitamin B12 requirements appear to depend upon the levels of choline, methionine and folic acid in the diet

维生素B12的需要量决定于食品中胆碱、蛋氨酸以及叶酸的含量。

William Christen of Brigham and Women's Hospital and Harvard Medical School in Boston and colleagues said the findings offered the strongest evidence yet that folic acid and B vitamin supplements may prevent age-related macular degeneration, a leading cause of vision loss in the elderly.

波士顿布里格姆妇女医院和哈佛医学院的威廉·克里斯坦和他的同事说，调查结果提供了最有力的证据--叶酸和维生素B补充剂可预防导致老人失明主要病因的老年性黄斑变性。

Folic acid deficiency also occurs in people with cancer and in those with coeliac disease.

叶酸缺乏也发生在人与癌症和在那些与腹腔疾病。

The experimental result shows: in folic acid concentration range of 2.0× 10－ 6～ 4.2× 10－ 5 mol/L, the correlation coefficient of the calibration curve is increased from 0.988 3 to 0.999 3 after the processing.

实验结果表明：在叶酸浓度为2.0×10－6～4.2×10－5mol/L范围内，校正曲线相关系数从平方处理前的0.9883提高到平方处理后的0.9993，检出限为9×10－7mol/L。

FLP therapy combined with cisplatin (50 mg/m2 drip i.v., day 1-8), 5-fluorouracil (333 mg/m2 drip i.v.) and leucovorin (30 mg/body i.v., day 1-8) was planned for neoadjuvant chemotherapy in order to reduce or eliminate the tumor and increase curability.

FLP方案包括CDDP（50mg/m2静滴，第1-8天），5-Fu（333mg/m2静滴）以及甲酰四氢叶酸（30mg/body 静注，第1-8天），计划做新辅助化疗以缩小或消除肿瘤从而提高治愈率。

A normal dose folic acid supplement and occasionally added cysteine in the diet is helpful.

正常剂量叶酸，偶尔补充半胱氨酸的饮食习惯是很有帮助的。

Low-income women are often deficient in a number of micronutrients, including vitamins C and E, vitamin B complex and folate.

低收入妇女往往有缺陷，在一些微量营养素，其中包括维生素C和E ，复合维生素B和叶酸。

Reduction of FA is the common synthetic method of THFA. These methods include hydrogenation in high-pressure,reduction by hydroborates and reduction by dithionite.

在利用基因工程菌表达的丝氨酸羟甲基转移酶酶法制备L-丝氨酸的过程中，SHMT需要四氢叶酸作为辅酶。

These methods include hydrogenation in high-pressure,reduction by hydroborates and reduction by dithionite. This article studied these methods, especially optimized the technology of hydrogenation in normal pressure and reduction by hydroborates.

研究了常压氢化法、加压氢化法、硼氢化物还原法及连二亚硫酸钠还原法等制备四氢叶酸，并优化了常压氢化法、硼氢化物还原法的工艺条件。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。