The UnicodeÂ® Standard. Unicode is a computing standard for the consistent encoding symbols. It was created in 1991. Itâs just a table, which shows glyphs position to encoding system. Encoding takes symbol from table, and tells font what should paint. But computer can understand binary code only.
A: Heroin, morphine and codeine are opiates derived from the resin of the opium poppy. Heroin is quickly metabolized to morphine. The body also changes codeine (used in some cold medicines) to morphine. Thus, the presence of morphine in the urine indicates heroin, morphine and/or codeine use.
Ephedrine is metabolized into norephedrine. Also called phenylpropanolamine or PPA, norephedrine has been banned as an over-the-counter substance. Ephedrine, similar in structure to amphetamines, can cause a false positive urine drug screen for amphetamines.In fact, Ephedrine is used sometimes by âclubbersâ in place of Ecstasy.phedra comes from the Ephedraceae family of plants. It has several scientific names, such as Ephedra major (America), Ephedra trifurca (America) and Ephedra sinica (this is Asian and called Chinese Ma Huang).