方法：应用MTT法观察体外壳寡糖和GAH对小鼠脾淋巴细胞细胞增殖的影响，应用巨噬细胞吞噬中性红试验观察壳寡糖和GAH对小鼠腹腔巨噬细胞吞噬功能的影响。
Methods:To observe the effects of the Chitooligosaccharidean and GAH on the lymphocyte proliferation of mouse by MTT assay and the phagocytosis of macrophages by Tuluylene red pinocyfic test.
目的研究3T3成纤维细胞中性红摄取试验（3T3NRU PT）在化妆品安全性评价中取代动物光毒性试验的可行性。
Objective To evaluate the 3T3 Mouse Fibroblast neutral red uptake phototoxicity test(3T3 NRU-PT)method detecting potential phototoxicity of cosmetic products.
所获得的黑色钝化膜外观均匀，镀层钝化后经中性盐雾试验(连续喷雾)出现红锈(基体腐蚀)的时间大于1000小时。
The black inactivating film is homogeneous, and the inactivated coating, test shows, has a no red rust period longer than 1000 hr in neutral salt fog.
所获得的黑色钝化膜外观均匀，镀层钝化后经中性盐雾试验(连续喷雾)出现红锈(基体腐蚀)的时间大于1000小时。
The black inactivating film is homogeneous, and the inactivated coating, test shows, has a no red rust period longer than 1000 hr in neutral salt fog.
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