Instant noodles, also known as instant noodles, instant noodles, instant noodles, instant noodles and instant noodles, are a kind of noodle food that can be cooked and eaten in a short time. The principle of instant noodles is to harden the cooked seasoning noodles with palm oil and press them into blocks. Brew with hot water before eating, dissolve palm oil with hot water, heat the noodles until they are soft, and you can eat them in a few minutes. According to a public opinion survey in Japan in 2000, instant noodles are considered to be the most important invention in Japan in the last century, followed by karaoke.
2.karaoke
Karaoke (Japanese: カラォケ, formerly known as からォケケケ or ォケ) means an unmanned band. It is an entertaining singing activity that originated in Japan, and is usually played on storage media such as video tapes in advance. Since 197 1 Daiyou Inoue invented the earliest music accompaniment tape, it has become one of the most popular forms of mass entertainment.
3, monosodium glutamate
Monosodium glutamate is a kind of condiment, and its main component is monosodium glutamate (MSG for short), that is, monosodium salt of L- glutamic acid. MSG is usually called sodium glutamate, but there is actually a kind of disodium glutamate. The main function of monosodium glutamate is to increase the flavor of food. It is most used in Japanese cuisine and can also be used in soups and sauces.
MSG was discovered in 1909 by Japan Ajisen (Ajisen) Company 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).
4. Yagi antenna
Yagi antenna, also called "steering antenna", is a directional antenna. This antenna was designed by Japanese antenna experts Hidetsugu Yagi and Taitai Uta in 1928. The so-called fishbone antenna used to receive TV signals is actually a kind of Yagi antenna. Because this antenna often uses more directors, it looks like a fishbone, hence its name. Yagi antenna has the advantages of high gain, strong directivity and simple structure, and is widely used in radio direction finding and long-distance radio communication.
5, the tape to mp3
The CD-ROM drive started at 1980, and the audio CD, also known as CD-DA, was published by Philips of the Netherlands in cooperation with Sony of Japan. Since then, due to the development of other media markets, a series of CD specifications and products have been continuously introduced.