For the modeling part, I used the "poly by poly" technique.
对于建模部分,我使用了“多边形建模”技术。
By coating the blend of poly (vinyl alcohol) and chitosan on the inner surface of poly (acrylonitrile) hollow fiber ultrafiltration membrane, the composite membrane for pervaporation was obtained.
本文将聚乙烯醇和壳聚糖混合物涂到聚丙烯腈中空纤维内表面制备用于渗透汽化过程的中空纤维复合膜。
Tanning mechanism of poly (methacrylic acid) to pigskin was studied by X-ray diffraction, its tanning results were compared with that tanned with poly (acrylic acid) tanning agents.
用x -射线衍射法研究了聚甲基丙烯酸对猪皮的鞣制机理,并对其与聚丙烯酸鞣剂的鞣制效果进行了比较。
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