醋化

Taking loquat as material, the enzymatic hydrolysis technology was used to improve the juice yield. Using screening superior acetobacter for the fermention of loquat wine and the Loquat vinegar acetification technique with carrier adsorption, the acid-producing rate could reach more than 85%, combinedwith the technique of nonthermal removal bacteria and the technique of rapid artificial vinegar aging, the quantity of Loquat vinegar was improved.

以枇杷为原料，采取酶解技术提高出汁率；以筛选的适宜菌株进行枇杷的酒化及采用固定化高活力醋化，乙酸得率可达85%以上，结合使用非热除菌保藏、快速人工催陈技术，提高枇杷果醋的品质。

Using greengage as the raw material, the juice yield could improve 12% by the enzymatic hydrolysis technology. Using screening superior acetobacter for the fermention of high fruit acid greengage wine and vinegar, and the acetate production was up to 80%, the quantity of greengage vinegar was improvedwith the technique of nonthermal removal bacteria and the technique of rapid artificial vinegar aging.

以适宜成熟青梅为原料，采取酶解技术，提高出汁率12个百分点；以筛选的适宜菌株进行高果酸（4.4%）青梅全汁酒化和醋化，乙酸得率可达80%以上；结合使用非热除菌保藏、快速人工催陈技术，提高青梅果醋的品质。

Amino to acetyl phenol, in have technology of two kinds of production domestic and internationally, acetic anhydride craft of the United States, acyl changes temperature to have 75 ℃ only, acyl changes mother liquor not apply mechanically, deputy reaction is little, of production thick tasting is kind of white almost, purificatory craft is very simple, activated carbon dosage only 2~3%, the Kun that its product does not have glow material almost in different third alcohol inferior the sealed impurity of amine impurity and minim, settleclear lightness it may not be a bad idea, the product quality that acetic anhydride craft produces is good, but close rate low, cost is high.

对乙酰氨基酚，在国内外有两种生产工艺，美国的醋酐工艺，酰化温度只有75℃，酰化母液不套用，副反应少，生产的粗品几乎是类白色，精制工艺就非常简单，活性炭用量仅2~3%，其产品在异丙醇中几乎无红光物质的醌亚胺杂质及微量的未知杂质，澄明度也好，醋酐工艺生产的产品质量好，但收率低、成本高。

The results showed that the conversion of adipic acid in the batch step and the Continuous step were more than 68% and 98%, respectively, at the catalyst level of 5%.

结果表明，当DNW-I型催化剂用量为5%（以己二酸计，m/m，下同）时，己二酸间歇及连续醋化后转化率分别大于68%和98%。

Potassium salt of dicyclopentadienyl dicarboxylate DCPD(COOK2 was applied to CPE as crosslinking agent and a crosslinked product with 81.79% gel content was obtained in solution reaction.

以溶液反应法研究了CPE与DCPD：的交联反应，制得了凝胶量在80%以上的共价交联CPE，考察了不同牌号CPE、催化剂及其用量、反应温度、反应时间及其交联剂用量对CPE凝胶形成量的影响；通过对比实验和IR谱图证明了该凝胶确由CPE与DCPD：经双端醋化反应生成；通过反应溶解性实验验证了共价交联CPE的热可逆转化特性。

The methods of preserving eleostearic acid were studied, adopting content of eleostearic acid as index. Eleostearic acid was esterificated with BF3 in methanol. The content of eleostearic acid was determined by gas chromatography, and the structure is studied by infrared spectroscopy.

初步研究了桐油酸的保存方法，以α-桐油酸含量为指标，将桐油酸与三氟化硼－甲醇溶液进行甲醋化，采用气相色语法检测桐油酸含量，并用红外光语扫描结构。

The hydrogenation and methyl esterification of furoic acid over Pd/γ-Al2O3 catalysts was investigated in fixed bed micro-reactor by one-step method.

采用连续流动固定床微反应器，以糠酸、甲醇、氢气为原料，Pd/γ-Al2O3为催化剂，使糠酸一步加氢甲醋化生成α-四氢糠酸甲酯。

It showed that, compared with other catalysts, SO(superscript 2- subscript 4)/TiO2-ZrO2 was more active to bring about more than 95% conversion rate of stillingia oil under the transesterification conditions of 150℃, molar ratio of methanol to oil 12:1, catalyst amount 5% and reaction time 6h.

结果表明，催化剂SO(上标 2-下标 4)/TiO2-ZrO2表现出了较高的催化活性，SO(上标 2-下标 4)/TiO2-ZrO2催化的最佳酯交换反应条件为：反应温度150℃，醇油摩尔比12：1，催化剂用量5%，反应时间6h，此时乌桕籽油的醋化率超过95%，且催化剂重复和再生使用效果良好。

Niger,moisture,temperature and time on saccharifying enzymic activity of bran koji were evaluated under different conditions.

从河溪香醋醋醅中分离黑曲霉、米曲霉等糖化菌，并通过不同条件下黑曲霉与米曲霉混合制曲的糖化酶活力变化分析，探讨了接种比例、曲料含水量、培养温度、培养时间等因素对制曲效果的影响。

After starch and corn protein was extracted, corn skin and grit was used as materials for saccharifying koji and vinegar fermentation.

研究了以玉米提取淀粉和蛋白后获取的玉米皮渣为糖化曲制备原料和食醋酿造原料，采用边糖化边酒化、再醋化工艺，固态法酿造食醋。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。