Brown granulated sugar was decolorized by sodium metabisufite and composite macromolecular flocculant.研究了重硫氧与复合高分子絮凝剂对复溶赤砂糖脱色的效果.CHARMM is a program for macromolecular dynamics and mechanics.CHARMM是大分子动力学和力学的程序.Poly - la...
Protective measures are necessary if the city's monuments are to be preserved.要保存城市古迹必须采取一些维护性措施。In Buda, several historical monuments can be seen.在比尤达可以看到几处历史遗迹。The visitors were swept past various monuments.游客们被带着...