Working principle of medical mask filter material 1. Diffusion deposition: Brownian motion of particles diffuses into the filter fiber ...
2020-04-13 504 views
11. Which of the following animals is not a common host for Novel coronavirus pneumonia? () A. Civet B. Bat C. Bamboo rat D. Mosquito 1...
2020-04-10 550 views
1. Which of the following masks can prevent viruses? () A. Activated carbon mask B. Veil mask C. Sponge mask D. Medical surgical masks and N95...
2020-04-08 484 views
Recently, new coronaviruses have become popular, and in order to prevent the spread of the virus, masks have also become popular. According to...
2020-04-07 541 views
Have you ever encountered this kind of situation? The battery that is usually very durable has been declining in the winter. Many people may h...
2020-04-03 526 views
Because of the advancement of science and technology, the development of the electronics industry is also getting better and better. The comp...
2020-04-01 572 views
According to our habit of using mobile phones, it is normal to charge one or two times a day. However, for charging, due to the continuous ex...
2020-03-31 491 views
Nowadays, with the increase of automobile sales and the increasing enrichment of electronic products, the demand for car chargers is increasin...
2020-03-27 564 views
Today, the mainstream USB cables in the market should be Lightning cables and USB Type C cables. Today we review their development history. ...
2020-03-25 566 views
The current fingerprints under the screen are all realized by using the characteristics of the OLED, because the OLED is thin enough and the l...
2020-03-24 499 views
Nowadays, many smart phone interfaces are Type-C interfaces, so more and more electronic products also use Type-C interface. Today, Yuda data...
2020-03-23 573 views
According to phonearena, Apple has decided to release the iPhone 9 (SE2) soon. Last night, Apple’s official website quietly updated a va...
2020-03-19 517 views
