An often-repeated assertion is that gangs migrate to areas previously unaffected by gang activity to expand their drug operations (sometimes called âfranchisingâ). As discussed in FAQ number 8, though, the overlap of the gang-drug connection is often overdrawn. related topic is the gang-drug-violence connection. Incidents involving gangs and drugs, resulting in the use of violence, attract greater coverage by the media, thus reinforcing this connection to the public. Gang violence, however, entails both expressive crimes and instrumental crimes.
Transmission electron microscopy (TEM) is a microscopy technique in which a beam of electrons is transmitted through an ultra-thin specimen, interacting with the specimen as it passes through. TEM is composed of several components, which include a vacuum system in which the electrons travel, an electron emission source for generation of the electron stream, a series of electromagnetic lenses, as well as electrostatic plates. The latter two allow the operator to guide and manipulate the beam as required.
Transcranial magnetic stimulation, or TMS, is a non-drug treatment for depression that uses magnetic pulses to electrically stimulate nerve cells in the brain and relieve symptoms of depression. In many cases, TMS may be effective in treating severe depression that hasnât improved with antidepressant medication.