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汉语拼音：yān suān

一种结晶状酸C 5 H 4 NCOOH，这是维生素B属药物，常常以烟酰胺络合物形式存在于各种动物和植物部分（如血浆、肝脏、酵母、糠、荚）中，由氧化烟碱、喹啉或甲基乙基吡啶制得，在防治人的糙皮病及狗的黑舌头中有效。

• Vitamin D is the only vitamin, apart from nicotinic acid, that is synthesized in the body.

  除烟酸以外, 维生素D是唯一的在人体里合成的维生素.

• Objective To prepare nicotinic acid micropellet and to research the release rate.

  目的制备烟酸微丸并考察其溶出度.

• Purpose : To observe the curative effect of Xanthinol Nieotinate for Acute cerebral Embolism.

  目的: 观察烟酸占替诺治疗急性脑梗塞的效果.

• Another B - vitamin is niacin.

  另一种维生素B是烟酸.

• Synthesis of ethyl iso nicotinate using BTEAC ( benzyl triethyl chloride ) as phase transfer catalyst was studied.

  以BTEAC ( 苄基三乙基氯化铵 ) 为相转移催化剂合成了异烟酸乙酯.

• Vitamin D is the only vitamin, apart from acid that is synthesized in the body.

  除烟酸以外,维生素d是唯一的在人体里合成的维生素.

• RESULTS & CONCLUSION: Lipid - lowering drugs mainly include stating, fibrates, nicotinic acid and bile acid sequestrants.

  结果 与 结论: 降脂药物主要分为他汀类 、 苯氧芳酸类 、 烟酸类及胆酸螯合剂等.

• Aim To screen out nicotinic acid prodrugs with better activity and less side effects.

  目的寻找活性更强、副作用更小的烟酸前体药物.

• Pyridine and pyridine production base is also a feed additive main raw material for nicotinic acid.

  吡啶和吡啶碱也是生产饲料添加剂烟酸的主要原料.

• The isonicotinic acid - pyrazolone light intensity method is currently applied to measure the prussiates in the water.

  水中氰化物的测定,目前采用异烟酸———吡唑啉酮光度法.

• This paper introduces several methods of acid synthesis and their application to medicine and fodder additive.

  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.

• Conclusion: Xanthinol Nieotinate is a safe and effective drug for treatment of acute cerebral embolism.

  结论: 烟酸占替诺是一种治疗急性脑梗塞安全有效的药物.