surfactant surÂ·facÂ·tant (sÉr-fÄk'tÉnt, sÃ»r'fÄk'-) n. A surface-active substance. A substance composed of lipoprotein that is secreted by the alveolar cells of the lung and serves to maintain the stability of pulmonary tissue by reducing the surface tension of fluids that coat the lung.
The Microsoft Exchange Information Store service uses a database engine called Extensible Storage Engine (ESE), which is a transaction-based database technology. In some troubleshooting instances or when moving from mixed to native mode, you may need to restart the Microsoft Exchange Information Store service. Procedure. To restart the Microsoft Exchange Information Store service. On the Start menu, click Run, type services.msc, and then click OK. In the Results pane, find the Microsoft Exchange Information Store service. Right-click the service, and then click Restart.
When you click Start menu, choose âSystem Restoreâ in All Programs, you would see three options. 1. PC Restore. Click this and PC Restore window would pop up. Two options would be listed, Microsoft System Restore and PC Recovery. 1  Select Microsoft System Restore and click Next. 2  A prompting window pops up.3  Click âOKâ and it would be the same as system restore. 4  Choose PC Recovery, and laptop would reboots automatically again.wo options would be listed, Microsoft System Restore and PC Recovery. 1  Select Microsoft System Restore and click Next. 2  A prompting window pops up. 3  Click âOKâ and it would be the same as system restore. 4  Choose PC Recovery, and laptop would reboots automatically again.