Okinawan martial arts refers to the martial arts, such as karate, tegumi and Okinawan kobudō, which originated among the indigenous people of Okinawa Island.
Due to its central location, Okinawa was influenced by various cultures with a long history of trade and cultural exchange, including Japan, China, and Southeast Asia, that greatly influenced the development of martial arts on Okinawa.
In 1429, the three kingdoms on Okinawa unified to form the Kingdom of Ryukyu. When King Shō Shin came into power in 1477, he banned the practice of martial arts. Tō-te and Ryukyu kobudō (weaponry) continued to be taught in secret. The ban was continued in 1609 after Okinawa was invaded by the Satsuma Domain of Japan. The bans contributed to the development of kobudō which uses common household and farming implements as weaponry. The Okinawans combined Chinese martial arts with the existing local variants to form Tōde (唐手, Tuudii, Tang hand, China hand), sometimes called Okinawa-te (沖縄手, Uchinaa-dii).
During springtime in the polar regions, unique photochemistry converts inert halide salt ions (e.g. Br−) into reactive halogen species (e.g. Br atoms and BrO) that episodically deplete ozone in the atmospheric boundary layer to near zero levels. Since their discovery in the late 1980s, research on these ozone depletion events (ODEs) has shown the central role of bromine photochemistry. Due to the autocatalytic nature of the reaction mechanism, it has been called bromine explosion. It's still not fully understood how salts are transported from the ocean and oxidized to become reactive halogen species in the air. Other halogens (chlorine and iodine) are also activated through mechanisms coupled to bromine chemistry. The main consequence of halogen activation is chemical destruction of ozone, which removes the primary precursor of atmospheric oxidation, and generation of reactive halogen atoms/oxides that become the primary oxidizing species. The different reactivity of halogens as compared to OH and ozone has broad impacts on atmospheric chemistry, including near complete removal and deposition of mercury, alteration of oxidation fates for organic gases, and export of bromine into the free troposphere. Recent changes in the climate of the Arctic and state of the Arctic sea ice cover are likely to have strong effects on halogen activation and ODEs.
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Zarevet ubezhat
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Izuchat potolok
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Potolok karusel
Polchasa polchasa
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Palchasa ne tvoya polosa
Palchasa, palchasa v ne vopros
Ne otvet polchasa, polchasa
Polchasa bez tebya, polchasa
Polchasa on I ya, polchasa
Kazhdyi sam, kazhdyi sam Polchasa
po svoim adresam Polchasa
Sorvalas I kak vse
Kak vo sne
Ya ni ya
Ne moya karusel
I mechta ne moya
Ili dym, ili grust
Ili dozhd, po glazam
Ya vernus, ya vernus
Polachasa, polchasa
Polchasa poezda pod otkos
Palchasa ne tvoya polosa
Palchasa, palchasa v ne vopros
Ne otvet polchasa, polchasa
Polchasa bez tebya, polchasa
Polchasa on I ya, polchasa
Kazhdyi sam, kazhdyi sam Polchasa
po svoim adresam