gold,20silverand23bronzemedals,presentinghomefanswithChina’sbest-everresultsinany WinterParalympics.1 “2AndBeijing2022hasmarkedanewdawnoftheParalympicWinter Games,”AndrewParsonsfromtheInternationalParalympicCommitteesaidattheclosing ceremony.Parsonsadded,“Forsure,Chinahassetabenchmark(基准,标杆)forallfutureWin...
However, the harmful properties and the high cost of this class of solvents preclude them from an extensive use. It is clear that the choice of the most suitable organic solvent is critical and in addition to the suitability of solvents in terms of substrate conversion, product selectivity and...