自2006年，指南对那些推荐接种和推荐化学预防或者治疗的抗病毒疗法人群的建议都没有改变。
Since 2006, the guidelines have not changed for groups of persons for whom vaccination are recommended and for the antiviral medications recommended for chemoprophylaxis or treatment.
第四章对规模缩小的单元操作，包括色谱，化学改变反应，超滤和微孔过滤提供了进一步的指南和战略。
Chapter 4 provides further guidance and strategies for scaling down unit operations, including chromatography, chemical modification reactions, ultrafiltration, and microfiltration.
应用推荐