查询词典 vitamin A

Niacin, a vitamin also known as nicotinic acid.

左旋多巴，一种用于治疗帕金森病的药物

A purification method —wiped film molecular distillationis introduced in this paper;the optimum technical conditions for refining vitamin E by using this method was studied.

本文介绍了短程蒸馏技术提纯天然维生素E的工艺过程，系统研究了短程蒸馏的系统压力、蒸馏温度、刮膜器转速及进料速率等操作因素对天然维生素E含量的影响。

The free radical-inhibiting property of tea is more potent than that of vitamin E, and tea is a proven preventive and treatment for hardening of the arteries.

茶抑制自由基产生的能力比维生素 E 好要强，而且它还对动脉硬化具有很好的预防和治疗作用。

"The case against ergocalciferol as a vitamin supplement" explains why D2 should not be used.

& ，对ergocalciferol作为一个维生素补充&的解释了为什么氘不应使用。

Complete resolution of arterial calcification was seen by 3 months of age. At 12 months, ergocalciferol was added at a dose of 5,000 U daily for 6 weeks, followed by 200 U daily owing to the patient's vitamin D deficiency and elevated parathyroid hormone level.

三个月时钙化完全消除。12个月时，因为患者的维他命D缺乏症和提高的甲状旁腺水平，开始给予每天5000U/剂的钙化醇，持续6周，然后转为200U每天。

Wheatgerm: A rich nourishing oil containing vitamin E and carotene.

小麦胚芽油：富含营养，含维生素E和胡萝卜素。

During the winter of the second year, participants assigned to the intervention group received a daily supplement of oral vitamin D3 (cholecalciferol, 500 IU) and calcium (500 mg) from October to March, whereas subjects in the control group received no supplements and were asked to remain off such agents.

在第二年冬季期间，被分配到介入组别的参加者从十月到三月每日口服补充维他命 D3（胆促钙醇， 500 IU）以及钙质（500毫克），而对照组别的研究对象不服用任何补充剂并被要求不要接触有关物质。

Its lifetime comes to 14 d, We also found that vitamin B_2 has a sig...

实验并发现维生素B_2对L-赖氨酸氧化酶有较大的激活作用。

Researchers at the Mayo Clinic in Rochester, Minn., are using a new imaging method that relies on vitamin B-12, and essential building block of life, to find cancer in the body.

该方法依靠构成生命的基本组织维他命b－12来发现人体内的癌症。

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。