1, msg
MSG was discovered by Japan Ajisen Company in 1909 and applied for a patent. The appearance of pure monosodium glutamate is white crystalline powder. When monosodium glutamate is dissolved in water (or saliva), it will quickly ionize into free sodium ions and glutamic acid ions (glutamic acid ion is the anion of glutamic acid, and glutamic acid is a natural amino acid).
2. Cup noodles (instant noodles)
The cup noodles were invented by Japanese Ando Shiro of Taiwan Province origin in 1958. After Ando invented instant noodles, he founded Nissin Food Company to sell the flavor of "Lamian Noodles Chicken Soup" (named Nissin Side in Hongkong and Lamian Noodles, the ancestor of Nissin Chicken Soup in China). The original price was 35 yen, but imitations appeared immediately, which led to price reduction competition.
3, karaoke (KTV)
Karaoke, which means no band, is an entertainment singing activity that originated in Japan. Usually, while playing music recorded on storage media such as video tapes without lead vocalist voice, the lyrics prompted by the beat are simultaneously played on the TV screen, and then participants sing with microphones while watching the lyrics. Since 197 1 Daiyou Inoue invented the earliest music accompaniment tape, it has become one of the most popular forms of public leisure and entertainment.
4.k line chart
K-line chart originated from the rice market transaction in Tokugawa shogunate era in Japan18th century, and was used to calculate the daily rise and fall of rice price. Because of its unique drawing method, it is introduced into the analysis of stock market price trend. After more than 300 years of development, it has been widely used in stock, futures, foreign exchange, options and other securities markets.
5. Yagi antenna
Yagi antenna is a directional antenna, which was designed by Japanese antenna experts Hidetsugu Yagi and Taro Uta in 1928. Because of its advantages of high gain, strong directivity and simple structure, it has been widely used in radio direction finding and long-distance radio communication.