vitamin P

Three storage temperatures made highly significant ( P < 0.0l) loss of vitamin A in1% premix after a month storage.

1%预混料在低温、室温和高温贮存条件下，维生素A的损失率除了在第1个月外，其它各月份都差异极显著（P＜0.01）。

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A simple, rapid , and accurate flow-injection electrochemical method for on-line determination of Vitamin P was established.

建立了一种快速准确的 在线 分析测定维生素P的电化学新方法.

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Results showed that compared with the normal group, vitamin D deficiency had no significant effect on the weight gain rate ( WGR) and daily increment in shell length ( DISL) ( P> 0.05);

结果表明：与维生素D正常添加组相比，维生素D缺乏对皱纹盘鲍的增重率（WGR）和贝壳日增长（DISL）均没有显著差异（P>0.05）；

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There were significant increases in the contents of vitamin B1, vitamin B2 and vitamin C in urine after experiment ( P 0.01).

实验前、后尿中维生素B1、维生素B2、维生素C营养水平差异具有显著性（P0.01）。

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It is suggested that amino sulfonic acid, strongly acidic cationic exchange resin, sodium sulfate monohydrate, solid super acid, heteropolyacid and Vitamin C are valuable catalysts in practice for synthesizing p-hydroxyl butyl benzoate.

认为氨基磺酸、强酸性阳离子交换树脂、一水硫酸氢钠、固体超强酸、杂多酸和维生素C是在合成对羟基甲酸丁酯中具有实用价值的催化剂。

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Nipagin esters were synthesized by the esterification of dodecyl and octadecyl alcohol with p-hydroxybenzoic acid in the presence of vitamin C.

以维生素C为催化剂，对羟基苯甲酸和十六醇及十八醇为原料合成尼泊金十六酯与尼泊金十八酯。

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