... 免疫组化二步法 two-step immunohistochemical method 按二步法 two step method 腈纶二步法 two steps acrylon ...
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采用硫氰酸钠为溶剂，湿法二步法工艺生产扁平腈纶，探讨了喷丝板的选型和生产工艺的优化。
Using NaSCN as solvent, flat acrylic fiber was produced by two-step wet spinning process. The selection of spinneret shape and the optimization of process conditions were discussed.
对硫氢酸钠湿法二步法腈纶进行增白，探讨了主要增白工艺条件对增白效果的影响。
The whitening process was performed on PAN fiber produced by sodium thiocyanate wet spinning. The effects of the main whitening conditions on whitening effect were discussed.
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