dicar相关论文
纸箱尺寸不合规格或不够精确,向来是滚筒模切中存在的品质问题。而影响精度的主要因素有:滚筒模切刀的高度,刀模的直径,滚筒刀在......
A binuclear copper(I) complex [Cu2(dppm)2(C7H6N2)2](NO3)2 (C7H6N2 = benzimi- dazole, dppm = Ph2PCH2PPh2) has been synthe......
