酸的

Results: The linear range of caffeic acid was 20~100μg/mL and ferulic acid was 8~40μg/mL.

咖啡酸和阿魏酸的平均回收率均大于95%；RSD均小于3%(n=3)。

Objective:To establishes a HPLC method for chlorogenicacid and Caffeic acid of Bingduqing granuies.

目的：建立高效液相测定病毒清中绿原酸和咖啡酸的含量。

The content of caffeic acid in Prunella vulgaris from different habitat ranged from 0.02% to 0.05%.

目的 比较不同产地夏枯草中咖啡酸和迷迭香酸的含量。

With the presence of capric acid,the IC50 values of caprylic and lauric acid deceased obviously.

辛酸和月桂酸IC50值因为癸酸的存在而明显降低。

The influences of different surfactants (sodium dodecyl sulfate, sodium cholate and sodium deoxycholate), different electrolytes (sodium phosphate monobasic, sodium tetraborate and 3-cyclohexylamino-1-propane sulfonic acid), buffer pH and organic modifiers on the determination of sialic acid were studied.

其次建立了一种测定唾液酸的在线富集CZE法，该方法用40 mM磷酸二氢钠为缓冲溶液电解质，通过将样品溶解在乙腈：水=2：1的样品基体中，进样时间增加到100 s来达到样品富集的效果，并考察了样品基体中乙腈浓度和进样时间对富集效果的影响，研究了用硼砂或3-环己胺-1-丙烷磺酸作为电解质、缓冲溶液pH值和有机修饰剂的加入对唾液酸检测的影响。

According to the standard curve, the growth quantity of L....

本方法适用于含泛酸钙及游离泛酸的奶基婴幼儿食品。

The primary source of the sulfur portion of cysteine is methionine.

主要来源半胱氨酸是蛋氨酸的硫一部分。

One new extraction process of L-arginine from cystine mother liquor has been developed based on the result, the extraction rate of L-arginine is higher than 80%.

根据实验结果开发了从胱氨酸母液提取L-精氨酸的工艺，提取率达到80%以上。

During mixed fermentation, two peaks existed in production of 2-keto-L-gulonic acid, including 8～20 hours and 24～40 hours; the activity of L-sorbose dehydrase increased rapidly and 2-keto-L-gulonic acid reductase slowly.

在流加糖发酵过程中，2-酮基-L-古龙酸的合成有两个高峰期：8～20小时和24～40小时高峰期。L-山梨糖脱氢酶总酶活迅速上升，2-酮基-L-古龙酸还原酶活性始终呈平缓上升趋势。

Furthermore, the important fragment which is composed of pentenyl cinnamic acid and D-Tyrosine, and the ester which is composed of L-N-methylated phenyl amino acid and diketopiprazine was synthesized with considerable yield The conjugation of the new DOPA analogue into the peptide in the total synthesis of Pepticinnamin E was investigatited

另外，本文作者还进一步合成了高收率的戊烯基肉桂酸衍生物与D-酪氨酸的缩合片段及L-N-甲基苯丙氨酸与哌嗪二酮的酯两个重要的结构组成部分；对新多巴衍生物片段嵌入肽链中的工作亦进行了有益的尝试。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。