The preparation of auxiliary tanning agent from chrome shavings has been studied in this paper.

本文对从铬革屑中提取胶原产物制备助鞣剂的方法进行了探讨。

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In this paper, new type of tanning agents for free-chrome and semi-chrome tannage were studied.

主要研究了几种新型无铬鞣剂的鞣性及其在无铬、少铬鞣中的应用。

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The hydrolyzing method of chrome shavings and the applying method of hydrolyses in the tanning process were studied in this paper.

本文探讨了水解铬鞣革的方法和水解物在皮革鞣制中应用的可能性。

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As Voss' photographs illustrate, pulp and paper, tanning, chemical and other factories set up shop along the banks of China's rivers and simply dump their waste into the water.

CNN: Economic miracle, environmental disaster