If you have gears with a diametral pitch of 12, a 12-tooth gear will have a pitch diameter of 1, while a 24-tooth gear will have a p.d. of 2. The circular pitch (p) is the distance along the pitch diameter from the face of one tooth to the corresponding face of an adjacent tooth.
Lorazepam comes in tablet, oral liquid, and injectable forms. Lorazepam (Ativan Â®) is a prescription medication that is used to treat anxiety. An injectable form of the medicine is also available. The injectable form of lorazepam is used to decrease nervous tension and anxiety, as well as treat severe seizures (known medically as status epilepticus).
Lorazepam is used for the short-term relief of the symptoms of excessive anxiety. It works by slowing down the communication between the nerves in the brain (i.e., the central nervous system). Ativan: Lorazepam belongs to the class of medications called benzodiazepines. Lorazepam is used for the short-term relief of the symptoms of excessive anxiety. It works by slowing down the communication between the nerves in the brain (i.e., the central nervous system). Some people experience some improvement in anxiety about half an hour after taking lorazepam.