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PMMA Repeating Unit
PMMA may refer to: * para-Methoxymethamphetamine, a stimulant drug * Philippine Merchant Marine Academy * Poly(methyl methacrylate), a transparent thermoplastic often used as a glass substitute {{disambig ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Para-Methoxymethamphetamine
''para''-Methoxy-''N''-methylamphetamine (also known as PMMA, Red Mitsubishi), chemically known as methyl-MA, 4-methoxy-''N''-methylamphetamine, 4-MMA) or (4-PMDA, as listed to its original physical name) is a stimulant and psychedelic drug closely related to the amphetamine-class serotonergic drug ''para''-methoxyamphetamine (PMA). PMMA is the 4-methoxy analog of methamphetamine. Little is known about the pharmacological properties, metabolism, and toxicity of PMMA; because of its structural similarity to PMA, which has known toxicity in humans, it is thought to have considerable potential to cause harmful side effects or death in overdose. In the early 2010s, a number of deaths in users of the drug MDMA were linked to misrepresented tablets and capsules of PMMA. Its effects in humans are reputedly similar to those of PMA, but slightly more empathogenic in nature. It has a reduced tendency to produce severe hyperthermia at low dosages, but at higher dosages side effects a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Philippine Merchant Marine Academy
The Philippine Merchant Marine Academy ( fil, Akademiya sa Bapor Pangkalakalan ng Pilipinas) also referred to by its acronym PMMA) is a maritime higher education institution operated by the Philippine government in San Narciso, Zambales. Students are called midshipmen but are often also referred to as cadets. Upon graduation, students are commissioned as ensigns (second lieutenants) in the Philippine Navy Reserve and have the option to join the merchant marine, the Philippine Navy, or the Philippine Coast Guard. Curriculum The academy offers courses for Bachelor of Science degrees in marine transportation and marine engineering. Both are four-year residency courses consisting of three-years of academic studies (first, second, and fourth years). The one year apprentice training (third year) is aboard commercial vessels plying the international sea lanes as deck or engine room cadets. The academy also offers master's degree courses in shipping business management and maritime ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
