安全性研究是含铬污泥用于农业施肥应用研究的重要课题。
Study on safety is an important discussion among studies on applying fertilizer of tannery chromium sludge.
上述三项检测结果表明：铬对鱼无致突变作用，从遗传毒理学角度认为食用是安全的。
Above results showed that minced Cr - containing fish meat has no mutagenic effect and is save for feeding genetic - toxicologically.
结果表明，应用复合铸造工艺生产的导卫板安全可靠，使用效果明显优于常用高镍铬钢导卫板和高铬铸铁(钢)导卫板。
The results obtained show that the composite guide plate is safe and reliable in use, its service effect is more excellent than that of high Ni Cr steel and high Cr cast iron (steel) guide plate.
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