The history of chromium tannage, the distribution of chromium in the earth crust and tanning processes which may be alternative to the chromium tannage are concluded.
从铬鞣的发展历史、铬在地球上的分布以及其它有可能代替铬鞣的方法等方面进行了评述。
The research situation of oil tannage was overviewed in this paper. The methods, principles and characteristics of oil tanning process were introduced in detail.
综述了油鞣技术的研究现状,重点介绍了油鞣的方法、原理和工艺特点。
The study and current technology of chrome-free combination tannage and the developing trend of the tannage were investigated.
对近代无铬结合鞣理论与工艺的探索、研究现状以及无铬结合鞣的发展前景作了综述。
DNA extraction from different specimens is the foundation of conservation genetics. It is difficult to extract total DNA from tannage of Chinese alligator with usual method.