Weekly topic: 5 wealth points for those who answer correctly, 2 wealth points for participation； Question 140
Thread Content
This post was last edited by ljtjbx on 2015-8-14 08:09. Conclusion: As the molecular weight distribution of polymers widens, most of the mechanical and thermal properties of the material increase. ( ) ?×?
Wrong. Personal opinion. Waiting for an answer. Actively participating
As the polymer molecular weight distribution widens, most of the mechanical and thermal properties of the material increase. (Mistake)
As the polymer molecular weight distribution widens, most of the mechanical and thermal properties of the material increase. (Mistake)
As the polymer molecular weight distribution widens, most of the material’s mechanical and thermal properties increase x
Answer: As the molecular weight distribution of polymers widens, most of the mechanical and thermal properties of the material increase. ( × )
Judgment: As the polymer molecular weight distribution widens, most of the mechanical and thermal properties of the material increase. (Correct)
As the polymer molecular weight distribution widens, most of the mechanical and thermal properties of the material increase. (Molecules with a wide molecular weight distribution exhibit good elasticity in polymers, while those with a narrow distribution have better mechanical properties and higher strength.)
As the polymer molecular weight distribution widens, most of the mechanical and thermal properties of the material increase. ( X )
As the polymer molecular weight distribution widens, most of the mechanical and thermal properties of the material increase. (Mistake)
As the polymer molecular weight distribution widens, most of the mechanical and thermal properties of the material increase. ( Right