设备设施送煤气时,先用置换介质置换(),再用煤气调换置换介质。
A. 烟气
B. 煤气
C. 氮气
D. 空气
下列脱硫方法中,()既能脱除硫化氢,又几乎能全部脱除二氧化碳。
A. 甲基二乙醇胺法
B. 一乙醇胺法
C. 二异丙醇胺法
D. A和C
下述哪步反应通过底物水平磷酸化方式生成一分子高能磷酸化合物()
A. 枸橼酸→α-酮戊二酸
B. 琥珀酰辅酶A→琥珀酸
C. 琥珀酸→延胡索酸
D. 延胡索酸→苹果酸
E. 苹果酸→草酰乙酸
Your network contains a single Active Directory domain named contoso.com. The domain contains two domain controllers named DC1 and DC2 that run Windows Server 2008 R2. DC1 hosts a primary zone for contoso.com. DC2 hosts a secondary zone for contosto.com. On DC1, you change the zone to an Active Directory-integrated zone and configure the zone to accept secure dynamic updates only. You need to ensure that DC2 can accept secure dynamic updates to the contoso.com zone. Which command should you run()
A. dnscmd.exe dc2.contoso.com /createdirectorypartition dns.contoso.com
B. dnscmd.exe dc2.contoso.com /zoneresettype contoso.com /dsprimary
C. dnslint.exe /ql
D. repadmin.exe /syncall /force