The high molecular weight impurities in cephalosporins are the sensibilisinogen causing tacho-anaphylactic reaction and the emphasis in pharmaceutical analytical studies.

头孢菌素类抗生素中的高分子杂质是引发速发型过敏反应的过敏原,是药物分析研究的重点。

An analytical study and numerical simulation of the pyrolysis chemism and the release of volatiles of micronized coal, accompanying NOx reduction during its recombustion in EFR, has been conducted.

对立式管式携带炉内再燃还原NO过程中超细煤粉热解化学机理及挥发份的释放进行了分析和数值模拟研究。