My First Chemistry Teacher英语四级作文
MyFirstChemistryTeacherIwillneverforgetmyfirstchemistryteacher.Hewasalittlemanwiththickglasses,buthehadastrangewayofmakinghisclasseslivelyandinteresting.Andhislessonswerenoteasilyforgotten.Istillremem...
Chemistry and Biology英语阅读
Aboutacenturyago,theSwedishphysicalscientistArrheniusproposedalowofclassicalchemistrythatrelateschemicalreactionratetotemperature.Accordingtohisequation,chemicalreactionsareincreasinglyunlikelytooccur...