单宁酸

A raw material obtained from the heartwood of this plant,used in the preparation of tannin s and brown dyes.

儿茶从这种植物的心材中提取的原料，用于生产单宁酸和棕色染料

A raw material obtained from the heartwood of this plant,used in the preparation of tannins and brown dyes.

儿茶从这种植物的心材中提取的原料，用于生产单宁酸和棕色染料厨房正在准备饭菜。

The test method of tannic acid, preparation method of water sample, test method of ignition point and experiment method of head loss for activated carbon are introduced based on the abroad references and much year practice.

介绍了测活性炭的单宁酸的试验方法，水样制备方法，着火点的试验方法，压力降的实验方法，是在作者对国外资料吸收和多年实践的基础上编写的这些实验方法。

Cell culture cytotoxic test, skin allergy test, intracutaneous stimulation test, primary skin stimulation test, hemolysis test , general acute toxicity test and pyrogenicity test were performed according to the manual of the national standards of medical materials.

方法带瓣牛颈静脉经单宁酸处理后按国家医用材料的要求进行浸提液的制备、细胞毒性试验、过敏试验、皮内刺激试验、原发性皮肤刺激试验、溶血试验、急性全身毒性试验及热原试验等生物学评价试验。

Low in tannins, which limit palatability and inhibit protein digestion.

低的单宁酸，这些可以限制适口性和抑制蛋白质消化。

After 4 generations treatment with tannic acid, the larvae of cotton bollworms were more susceptible to deltamethrin, but had no significant difference in susceptibility to parathion methyl.

单宁酸处理的第4代幼虫对溴氰菊酯的敏感度有增加的趋势，对甲基对硫磷的敏感度没有明显改变。

The fruit bouquet is complemented by a ripe, full palate with soft tannins and a long finish.

成熟的口感以及柔和的单宁酸更增添了果实的芳香，流芳于口舌之间。

The bark of certain species provides cork for flooring, soundproofing, and wine-stoppers, while the bark of other species provides tannin for leather-tanning, or compounds for medicines.

某一种类的树皮为地板，隔音板和酒瓶塞提供软木材料，而其他种类的树皮则为皮制品或者是药物的化合物提供单宁酸

However, if you want a product that really works, check if it contains tannic acids.

但是，如果你想要的产品，才是作品，看看它含有单宁酸。

Even tea bags can help through its tannic acid which is found in it, also believed to have antiviral properties.

甚至茶包可以帮助通过其单宁酸，这是发现它，也被认为有抗病毒性能。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。