On the afternoon of the 15th, the people of Tokyo in Japan learned that Tokyo will begin to be exposed to radiation pollution and have left the urban areas one after another. Parents bring their children back home …
Recently, issues such as phthalates (plasticizers) and soluble heavy metals in children's toys have attracted the attention of consumers in China. Can the phthalates in toys endanger children's health? What is the difference between China’s toy standards and foreign countrie…
â— Immediately organize a comprehensive safety inspection of nuclear facilities <…
To tell the truth, at that time, the reporter was temporarily ignor…
In this year's luxury car acquisition event, the Indian Tata Motors has become famous. Tata India has filed a formal request to Ford to acquire the Jaguar and Land Rover brands for a bid of US$2.05 billion. For Tata, the acquisition of Jaguar and Land Rover is a big leap forward. At p…
The gas-fired four-cylinder turbocharged engine requires the same amount of gas combustion as a six-cylinder naturally aspirated engine. In order to minimize pressure loss, the intake manifold must be increased in cross section, but the cross section is too large and will result in h…
Spool valve multi-stage pump outside the eccentric rotor is equipped with a spool, the rotor rotates the slide valve slide along the inner wall and scroll, slide the upper part of the spool valve slide in the slide valve slide, and the more The pump chamber is divided into two variable volu…