糙皮病是一种由烟酸缺乏引起的疾病。
玉米中含有维生素烟酸,但不以人体可吸收的形式存在。
Maize contains the vitamin niacin, but not in a form the body can absorb.
烟酰胺是烟酸的生物活性形式。
当溶入烹调水中,仅烟酸的损失发生。
The only appreciable loss of niacin occurs when it leaches into cooking water.
目的:观察烟酸对寻常型痤疮的治疗效果。
Objective To observe the therapeutic effect of Nicotinic Acid Tablets in Acne vulgaris.
制备烟酸缓释片剂,并评价其体外释放特性。
Nicotinic acid sustained release tablet was prepared and its releasing features in vitro were evaluated.
烟酸也存在于乳制品、瘦肉、坚果、蛋和鱼中。
Niacin is also found in dairy products, lean meats, nuts, eggs and fish.
目的:观察烟酸占替诺治疗急性脑梗塞的效果。
Purpose:To observe the curative effect of Xanthinol Nieotinate for Acute cerebral Embolism.
烟酸和烟酰胺是一种白色结晶体,都是很容易从小肠吸收的。
A white crystalline substance that is soluble in water and alcohol, niacin and niacinamide are both readily absorbed from the small intestine.
现有微生物羟基化烟酸采用的是静息细胞转化工艺。
The current technology for microbial hydroxylation of nicotinic acid is a procedure of resting cells transformation.
族维生素烟酸可进步高密度脂蛋白程度15至35%。
结论说明烟酸注射液对脂肪栓塞综合征有较好的防治作用。
Conclusion Good prevention and treatment effect of niacin on fat embolism syn - drone is suggested.
膳食中烟酸摄入最少者比最多者罹患阿尔茨海默症的几率高80%以上。
Those with the lowest food intake of niacin were 80 percent more likely to be diagnosed with Alzheimer's disease than those with the highest intake.
介绍了烟酸合成的几种方法及其在医学及饲料添加剂方面的应用。
This paper introduces several methods of nicotinic acid synthesis and their application to medicine and fodder additive.
认为反应压力对混合反应影响不大、混合温度和烟酸比例是关键。
We concluded that the operational press has less affect and the reaction temperature and the quantity of oleum is the key parameter.
维生素中烟酸和抗坏血酸摄入充足,视黄醇当量和核黄素摄入偏低。
The average consumption of niacin and ascorbic acid was adequate of retinol equivalent and riboflavin was low.
维生素b3有两种基体形式——烟酸(又称烟酸)和烟酰胺(也称为烟酰胺)。
Vitamin B3 comes in two basic forms - niacin (also called nicotinic acid) and niacinamide (also called nicotinamide).
探讨了有机相中固定化脂肪酶催化肌醇和烟酸合成肌醇烟酸酯的可能性;
The possibility of the inositol nicotinate formation from inositol and nicotinic acid catalyzed by immobilized lipase in organic solvent was explored in this paper.
以异烟酸、无水甲醇为原料,固体超强酸做催化剂,合成了异烟酸甲酯。
Methyl isonicotinate was synthesized using isonicotinic acid and anhydrous methanol as raw materials in presence of solid super acid as catalyst.
牛奶含有的基本营养素有钙,钾,蛋白质,维生素a、B12、D,烟酸,磷,核黄素等。
Milk contains essential nutrients like Calcium, Potassium, Protein, Vitamins a, B-12, d, Niacin, Phosphorus and Riboflavin.
以烟酸为最初原料合成上述化合物,对反应过程进行了改进,产率均有所提高。
These compounds were prepared using nicotinic acid as primal raw material, and improve upon the process of reaction to enhance the yield.
高烟酸摄入者中认知功能减退的发生率差不多只是低烟酸摄入者的一半(44%)。
The rate of cognitive decline among the high-niacin eaters was almost half (44 percent) that of those consuming less niacin.
选择分析纯烟酸和一水氢氧化锂为反应物,利用水热合成方法合成了无水烟酸锂。
Nicotinic acid and lithium hydroxide monohydrate were chosen as the reactants, anhydrous lithium nicotinate was synthesized by the method of hydrothermal synthesis.
方法用循环伏安法和示差脉冲伏安法研究DA在聚异烟酸膜修饰电极上的伏安行为。
METHODS the cyclic voltammetry and differential pulse voltammetry were used to study the electrochemical behavior of DA at the poly (isonicotinic acid) film modified electrode.
已有研究表明:烟酸参与dna的合成和修复,还在神经细胞间的信息传递中发挥作用。
Other studies have shown that it helps in the synthesis and repair of DNA and that it plays a role in signaling between nerve cells.
在最佳反应条件下,烟酸乙酯最终收率达到89.26 %,纯度达到99.51 %。
Under appropriate condition, the yield of ethyl nicotinate was 89.26 %. The purity was 99.51 %.
冷却混合物,结晶产物2,8-二氯-5-氟烟酸(III)以离心分离法得到并干燥。
The mixture was cooled and the crystalline product 2,8-dichloro-5-fluoronicotinic acid (III) was isolated by centrifugation and dried.
不仅如此,杏仁含有的 核黄素、烟酸以及维生素B能够使你在压力中重返 生机。
And they have riboflavin and niacin, B vitamins that may help you bounce back from the effects of stress.
不仅如此,杏仁含有的 核黄素、烟酸以及维生素B能够使你在压力中重返 生机。
And they have riboflavin and niacin, B vitamins that may help you bounce back from the effects of stress.
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