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It was founded that the renaturation yield was improved in the presence of arginine, thiourea, acetone, acetamide and glycerol compared with no additives.

分析其作用机制异同点；并基于海藻糖和甜菜碱对保护蛋白质的作用，考察了海藻糖和甜菜碱在不同浓度盐酸胍和酶浓度条件下对溶菌酶辅助复性和复性动力学特性，分析了它们作用机理。

Under the optimized parameters,i.e.,resorcinol to potassium carbonate molar ratio of 1∶0.5,reaction temperature of 155℃-160℃,reaction time of 6 hours-7 hours,and dimethyl acetamide as solvent,the yield of 2,6-dihydroxybenzoic acid was up to 29.38%.

溶剂羧化法Kolbe-Schmitt反应，是在有机溶剂氛围中，由酚的成盐和酚盐的羧化两步完成，一直应用在农药、医药以及化肥的合成过程中。

The total yield of the product was 28%. Bridged imine acetamide was used to produce a new type of antibiotic derivatives from macrolid via removing cladinose sugar from macrolid and joining 6 and 11 position on macrolid ring.

桥红霉素亚胺用于生产新型抗生素类药物——桥红霉素，它是在红霉素内酯环结构上脱掉cladinosesugar，并将红霉素内酯环上6，11位相连，成为全新的红霉素衍生物。

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。

The Problems of Spectrum, Quantum Yield of Phosphorescence, Photosensitization and Photostabilization of Polymeric Acetophenone and Its Derivatives

高分子苯乙酮及其衍生物的光谱、磷光量子产率及光敏化光稳定问题的研究

A new way of synthesis 2-methoxy-4'-trifluoromethyl acetophenone by the method of crossed ester condensation was investigated in the overall yield of higher than 85%.

本文提出了一种新的方法——交叉酯缩合法合成2-甲氧基-4'-三氟甲基苯乙酮。

Under optimal conditions, oxidation of ethylbenzene into acetophenone under 1 atm O2 and 1 mol% NHPI reach to 64% yield.

在最佳的催化状态下，苯乙烷能在1 atm的氧气、1 mol% NHPI与轴向配位基为吡啶的紫质修饰二氧化钛共催化下，氧化成苯乙酮，并得到64%的产率。

In this work, the problems of spectrum, quantum yield and lifetime of Phosphoresconce, photosensitization and photostabilization of polymeric acetophenone and its derivatives have been studied.

本工作合成和研究了高分子苯乙酮及其衍生物的光谱、磷光量子产率、磷光寿命以及光敏化、光稳定等问题。

The results indicated that acetophenone can be reduced by NaBH4/BF3Et2O with high chemical yield and low to moderate enantioselectivity when amino alcohols were used as catalysts.

结果表明：这些氨基醇催化NaBH4/BF3Et2O还原苯乙酮可以获得很高的化学产率和低到中等的对映选择性。

The effect of different calcium chloride concentration, reaction time and neutralized acid on yield of tagatose was investigated by single factor tests. Results showed that the condition, such as calcium chloride (0.01～0.03 mol/L), reaction time(20～40 min), acetum, carbon dioxide, phosphate acid to synthesize tagatose was suitable.

通过单因素实验，确定了以D-半乳糖为原料进行化学法合成D-塔格糖的工艺条件为：CaCl2的添加量在0.01～0.03 mol/L，反应时间在20～40 min，并用醋酸、CO2、磷酸中和时D-塔格糖产率较高。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

Talk Undelete failed; someone else may have undeleted the page first.

Talk 无法删除选定的页面或图像（它可能已经被其他人删除了）。