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In September 2018, Channel 3 (owned jointly by BEC and MCOT) was the last broadcaster to broadcast analog television services in Thailand. The network made the move to digital television in late 2019 on VHF while analogue television ceased transmission on 26 March 2020 at 00:00 am ( UTC+7 ), exactly 50 years after the channel's launch.
Dimethylmercury is an extremely toxic organomercury compound with the formula ( CH 3) 2 Hg. A volatile, flammable, dense and colorless liquid, dimethylmercury is one of the strongest known neurotoxins. Less than 0.1 mL is capable of inducing severe mercury poisoning resulting in death. [ 2]
Channel 3 was formed in 1980 by Mike Magrann (vocals, guitar), Kimm Gardner (guitar), Larry Kelly (bass), and Mike Burton (drums), in the suburban community of Cerritos, California. Their first release was a self-titled EP on California label Posh Boy Records in 1981. "Manzanar", a track from that EP, was played heavily by UK disc jockey John Peel.
Methanol and its vapours are flammable. Moderately toxic for small animals – Highly toxic to large animals and humans (in high concentrations) – May be fatal/lethal or cause blindness and damage to the liver, kidneys, and heart if swallowed – Toxicity effects from repeated over exposure have an accumulative effect on the central nervous system, especially the optic nerve – Symptoms may ...
Methyl radical is an organic compound with the chemical formula CH•. 3 (also written as [CH. 3]• ). It is a metastable colourless gas, which is mainly produced in situ as a precursor to other hydrocarbons in the petroleum cracking industry.
Infobox references. In organic chemistry, methenium (also called methylium, carbenium, [ 2] methyl cation, or protonated methylene) is a cation with the formula CH+. 3. It can be viewed as a methylene radical (:CH. 2) with an added proton ( H+. ), or as a methyl radical (• CH. 3) with one electron removed. It is a carbocation and an enium ion ...
Methyl group. In organic chemistry, a methyl group is an alkyl derived from methane, containing one carbon atom bonded to three hydrogen atoms, having chemical formula CH3 (whereas normal methane has the formula CH4 ). In formulas, the group is often abbreviated as Me. This hydrocarbon group occurs in many organic compounds.
C 2 H 5 C(CH3) 2 C 2 H 4 COOH 4,5-dimethylhexanoic acid CH 3 [CH(CH) 3] 2 C 2 H 4 COOH 5,5-dimethylhexanoic acid (CH 3) 3 CC 3 H 6 COOH 2-ethanehexanoic acid C 4 H 9 ...