The complex [Cu(phen)2(POAc)3]ClO·4H2O has been synthesized and investigated by elemental analysis, IR spec-troscopy and X-ray diffraction methods, where phen
SECTION 2:STUDY SKILLS(50 minutes) Directions:In this section,you will read several passages.Each passage is followed by several questions based on its content.
Positron lifetime spectrum was measured and the change of the free volume was studied for com- mercial polyethylene (PE) and polytetrafluoroethylene (PTFE) duri