noun, Chemistry. 1. the univalent ion, NH 4 + , or group, NH 4 , which plays the part of a metal in the salt formed when ammonia reacts with an acid. ammonium nitrate is extremely common, and pretty dangerous, and also extremely useful.
1 Double-click the Allow users to connect remotely using Terminal Services policy. 2  Set the policy to Enabled, and then click OK. 3  Right-click My Computer and click Properties. 4  Click the Remote tab. 5  In the Remote Desktop section, click to clear Allow users to connect remotely to this computer, and then click OK.ou can also use the following procedure to disable Remote Desktop; however, if you use the preceding procedure, the following configuration is overridden: NOTE: Remote Desktop is disabled by default on Windows XP Professional. 1  Click Start, click Run, type gpedit.msc, and then click OK.
To connect to the remote computer: After you establish a Remote Desktop connection, your remote desktop is displayed in its own window. You can use the keyboard and mouse of the local host to control the remote computer. You can gain access to your disk drives on the local computer during a Remote Desktop session. Click Start, point to All Programs (or Programs), point to Accessories, point to Communications, and then click Remote Desktop Connection. 2  Type the name of the Windows XP-based computer that has Remote Desktop enabled, and then click Connect.