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汉语拼音：kǎo jiāo

1.鞣革用的原料，主要成分为鞣酸，是从栲树﹑红树﹑栎树等植物中提取的。

1. 鞣革用的原料，主要成分为鞣酸，是从栲树、红树、栎树等植物中提取的。

• The Eucalyptus bark can been used as the new raw material of tannin extract, its tannin extract is worth of promoting and using.

  桉树皮可作为新品种栲胶原料，其栲胶值得推广应用。

• Vegetable tannin extracts have been widely used in leather industry.

  栲胶已在制革工业获得了广泛的应用。

• It shows that the solution viscosity drops and the relative molecular mass reduces with narrow distribution.

  结果表明改性栲胶溶液黏度下降，相对分子质量降低且分布集中。

• However, the tannin in use for a long time before preparation, and consumption of steam, air, very convenient.

  然而，栲胶在使用前要进行较长时间制备，且耗蒸汽、空气，很不方便。

• Thus, the tannin extract desulfurization, there has been new progress.

  至此，栲胶法脱硫又有了新的进展。

• It is reported the PRS desulfidation catalyst regeneration test and the industrial application.

  说明了复合型栲胶（PRS）脱硫催化剂的再生性能及工业上的应用情况。

• To change more, running a high load, high content of tannin extract desulfurization agent of some results were quite good.

  对变化较大、运行负荷较高的，栲胶脱硫剂含量高一些，效果比较好。

• Determination of Vegetable Tannin Extract Content in Desulfurized Liquor by Ultraviolet Spectrophotometry

  紫外分光光度法测定脱硫液中栲胶含量

• Chemical modifications of vegetable extracts and applications of the products in chrome-free and chrome-reduced tannages

  栲胶的化学改性及其产物在无铬少铬鞣法中的应用