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The “storm-time” component of variation of the terrestrial magnetic field, that is, the component which correlates with the interval of time since the onset of a magnetic storm; used as an index of intensity of the ring current.


Daylight-Saving Time.


(1) (DeSTination) Contrast with SRC, which is an abbreviation of "source."

(2) (Digital Signal Trust Company, Salt Lake City, UT) An organization that set up and managed PKI systems for companies and industry groups. Using third-party software, DST served as a certification authority (CA), managed the repository and provided a secure location for the private keys. Founded in 1996, Utah-based DST was the first licensed CA in the U.S. and the first PKI service organization, and Utah was the first state to pass digital signature legislation. In 2002, DST was acquired by Identrus LLC (www.identrus.com), a global leader in digital trust services and secure e-commerce. See PKI.

(3) (Data Storage Technology) An earlier high-capacity magnetic tape technology from Ampex that was based on the digital composite D2 format for the broadcasting industry. It used the same 19mm, helical scan transport, but provided higher capacities with Ampex's proprietary Data D-2 (DD2) format. DST cartridges ranged from 50 to 330GB. Ampex's Data Instrumentation Systems (DIS) tape technology was a counterpart line that provided optional modes and interfaces for data acquisition devices. See magnetic tape.

DST Tape Storage
DST was not exactly for home computer use. The 4mm DAT cassette is shown for size comparison.
References in periodicals archive ?
One of the simplest steps you can take is to avoid products made with BPA.
Also, we and others have previously shown that BPA can induce differentiation of preadipocytes in rodent and human models (Boucher et al.
While additional research is being conducted, consumers who wish to avoid BPA can take the following steps:
The degree to which BPA leaches from polycarbonate bottles into liquid may depend more on the temperature of the liquid or bottle, than the age of the container.
He said that their findings suggest that traditional toxicological studies likely underestimate actual human exposure and show, unequivocally, that biologically active BPA passes from the mother to the fetus.
He has been with BPA since 2002 and has held a variety of other management positions within BPA s Power, Transmission and Corporate organizations, including trading floor manager, manager of Transmission Policy and Strategy and Executive Vice President of Corporate Strategy.
There is no regulation at the present time to ban the lining from canned foods and drinks, despite the research revealing that BPA does indeed leach from the can lining into the food inside.
This rich culture started with the vision of Lisa Renda, President and Founder of BPA Quality.
5) Studies have also demonstrated that exposing rats to low doses of BPA increases prostate gland susceptibility to adult-onset prostate cancer, similar to estradiol.
BPA is rapidly metabolized and excreted by the body; its transit time in our bodies is quick.
While BPA contamination of food is still a bigger problem, says EWG, a large number of Americans--especially the seven million who run cash registers--are nonetheless exposed to additional amounts of BPA through handling receipts.
Some--but not all--animal studies suggest that exposure to BPA early in life may alter behavior and may increase the risk of cancer, diabetes, and heart disease.