The reaction is intramolecular and hence fast and clean.此反应属分子内反应,因而快速且干净利索.The prepared random SBR has uniform inter ? and intramolecular composition distribution.该体系合成的丁苯共聚物具有均匀的分子内和分子间分布.Application of samarium diiodi...
Office of Finance says they accept as collateral only securities that have an ascertainable market value.FHLB财务部表示,他们只接受具有可确定市场价值的抵押品.Most people here cannot borrow from banks because they lack collateral.由于拿不出东西作为抵押，这里大...