The stability of the red pigment in litchi shell, which was extracted by acidic solution leaching from litchi shell, was studied.
以荔枝壳为原料，在酸性条件下浸提荔枝壳红色素，并对其稳定性进行了研究。
The technology of underground solution leaching-solvent extraction-electrowinning has been used successfully in Zhongtiaoshan Nonferrous Metals Company, which is first time in China.
地下溶浸— 萃取—电积技术在中条山有色金属公司成功的应用，在国内尚属首次。
The technology of underground solution leaching-solvent extraction-electrowinning has been used successfully in Zhongtiaoshan Nonferrous Metals Company, which is first time in China.
地下溶浸— 萃取—电积技术在中条山有色金属公司成功的应用，在国内尚属首次。
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