酸的

Preventing teeth decay: People normally believe that the fluorine in the tea can increase the resistance of the teeth enamel to the erosion of the acid, so that the tea can prevent teeth decay. Actually, it is also because that the acacatechin can strongly refrain the Streptococus mutans.

预防龋齿：茶叶防龋作用，一般认为是茶中的氟，而使牙釉质对酸的侵蚀具抵抗力，但是儿茶素类能强烈抑制生龋菌也功不可没。

Biological production of acetoinvia the fermentation pathways with acetoin and mixed-acid.

乙偶姻的发酵制备过程是同时生成乙偶姻与混合酸的过程。

Actinobacillus succinogenes is a promising candidate for the production of bio-based succinic acid.

琥珀酸放线杆菌是发酵生产有应用前景的生物基原料-丁二酸的微生物。

In most cases, the yield of target product adipic acid is high if the acidity of ligand is strong.

在大多数情况下，配体的酸性越强，目标产物己二酸的产率越高。

Although the acidity of some phenolic ligands, Lascorbic acid and 8 quinolinol is weak, the yield of adipic acid is still high.

尽管一些酚类配体、L抗坏血酸和 8 羟基喹啉的酸性较弱，但己二酸的产率仍然很高。

Under the optimal reaction conditions like 140°C of reaction temperature, 2.5 MPa of reaction pressure, 1.5 mg catalyst and 8 h of reaction time, the highest yield of adipic acid and TON were 21.4% and 24 582, respectively.

优选的反应条件是：反应温度为140℃，氧气压力为2.5 MPa，反应时间为8 h，催化剂用量为1.5 mg。在此条件下，己二酸的质量收率可达21.4%，活性转化数可达24 582。

With a quantitative amount of catalyst, the yield of acetyl alginic acid was increased with reaction time; but as time being constant, the yield was increased with the amount of catalyst.

在相同的催化剂量下，乙酰褐藻酸的产率随反应时间加长而提高；当反应时间相同时，其产率随催化剂用量加大而提高。

Alkenyl succinic acidas an anti-rust additive is generally used in steam turbine oil .

分别测定了含烯基丁二酸的汽轮机油/蒸馏水及汽轮机油/合成海水体系的界面张力、界面剪切粘度、油相粘度及乳状液稳定性。

The alveolitis and pulmonary fibrosis were examined by HE staining. The serum HYP was examined .The expression of CTGF was tested by immunohistochemical assay.

HE染色检测肺组织肺泡炎及肺纤维化程度；测定血清羟脯氨酸的含量；免疫组化染色检测CTGF的表达。

A novel synthesis route is developed according to the synthesis method of aminoacetic acid in the dissertation.

本文借鉴甘氨酸的合成工艺，设计了一条新的合成路线，简单、高效地制备出1-氨基环丁甲酸。

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。