The six sigma black belt should know the copq rationale for six sigma , i . e . , he should be able to explain what to do if copq analysis indicates that the optimum for a given process is less than six sigma 译文：六西格玛黑带应该了解质量成本对于六西格玛的根本意义，也就是他应该能够阐述如果质量成本分析显示出给定过程的最佳值小于6西格玛时应该做什么。
The hemagglutinating activity of amphioxus skin mucus was decreased after heating at 60 for 30 min , and was almost lost upon heating at 100 for 30 min . the hemagglutinating activity of the skin mucus remained stable in the ph range from 6 to 10 , but it was inactivated at ph above 10 or below 6 . the hemagglutinating activity in the skin mucus is inhibited by d - galactose , which is same with the hemagglut inating activity of the humoral fluids of amphioxus 在60保温30分钟后，凝集素的凝集活性下降，在100保温30分钟后，凝集素凝集活性几乎完全消失；在ph6 - 10的范围内，凝集素的凝集活性稳定， ph大于10小于6的条件下，凝集素的凝集活性消失；文昌鱼体表粘液中的凝集素受d -半乳糖苷的抑制。
