类维生素

A B vitamin that prevents beriberi; maintains appetite and growth.

一种b类维生素，可以防止脚气病；维持食欲和生长。

By calculating the sub-cluster parameters and the total antioxidant capability parameter of some kinds of fresh vegetable with diet therapy function, we found that there is clear linear correlation between distribution parameters of biopolymer active center elements (1-x)1/3ln(r1r2/k)、(1-x)1/3ln(k2r1/r2) and antioxidant capability parameter ln[F(1-x)3], and which show monotone decreasing and monotone increasing respectively.

同时对更大范围内的9大类蔬菜和5大类水果的生物高分子活性中心元素分布及其维生素C及维生素E含量进行了考察，结果发现群子统计参数(1-x)1/3ln(r1r2/k)、(1-x)1/3ln(k2r1/r2)与维生素C、E含量参数lnVc(1-x)3、lnVe(1-x)3均分别呈单减和单增的线性关系。

A B vitamin that is used to treat pernicious anemia.

一种用来治疗恶性贫血病的 b 类维生素。

Therefore development of retinoid analogues possessing a higher therapeutic index is of interest.

因而寻找具有更高治疗效果的类维生素A衍生物引起人们的极大兴趣。

The retinoid plays a critical role in vision, growth, reproduction, cell differentiation, and embryonic development.

类维生素A在动物的视觉、生长、繁殖、细胞的分化及胚胎发育等方面起重要的作用。

The vitamins are divided into two general categorizes based on their solubility in either water or fat .the fat-soluble vitamins are vitamins A, D, E, and K; the water-soluble vitamins include vitamins C, niacin, thiamin, riboflavin, flacon antithetic acid, pyridoxine, vitamin B12 and biotin.

维生素按其可溶于水或脂肪分为两大类：脂溶性维生素，有维生素A、D、E、K；水溶性维生素，包括维生素C、烟酸、硫胺素、核黄素、叶酸、泛酸、吡哆醇、维生素B12和生物素。

The vitami are divided into two general categorizes based on their solubility in either water or fat .the fat-soluble vitami are vitami A, D, E, and K; the water-soluble vitami include vitami C, niacin, thiamin, riboflavin, flacon antithetic acid, pyridoxine, vitamin B12 and biotin.

维生素按其可溶于水或脂肪分为两大类：脂溶性维生素，有维生素A、D、E、K；水溶性维生素，包括维生素C、烟酸、硫胺素、核黄素、叶酸、泛酸、吡哆醇、维生素B12和生物素。

Hazelnuts, pine nuts and almonds are good resources of this type of vitamin E.

榛仁、松子和杏仁是这类维生素E的好来源。

Patients with mild or moderate hepatic failure or intestinal fat-malabsorption syndromes, as well as patients who are taking anticonulsant medications, glucocorticoids, or other drugs that actiate steroid and xenobiotic receptor, require higher doses of itamin D (Table 3).7,88 Exposure to sunlight or ultraiolet B radiation from a tanning bed or other ultraiolet B–emitting deice is also effectie.

有几类病人需要更高剂量的维生素D（表3）[7，88]，如轻中度肝功能不全、肠脂肪吸收不良综合征的病人，服用抗惊厥类、糖皮质激素类以及可激活类固醇和异生质受体类药物的病人。病人通过适当的日光照射、躺在晒黑床上紫外线B照射或其他紫外线B放射仪治疗，也能取得增加维生素D用量的效果。

A B vitamin that is essential for cell growth and reproduction.

一种b类维生素，对细胞生长和再生起关键作用。

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。