Ab initio calculation is carried out to study the different supposed mechanisms of DNA base alkylation by β-sulphate-nitrosamines at RHF/6-31G(d) and MP2/6-31G
Applying the rule of laminar flow in the gap between two parallel disks, the theoretical model of a new type MR damper is established, the damping characteristi
It is the war that distorts and reshapes human mind.Donovan knew the nature of the war better than other characters.He distinguished the line between the human