Recently, covid 19 outbreak spreads in Shanghai, China. There are more than 25,000 new asymptomatic domestic infections every day. China is implementing a dynamic zero-out policy. A leading respiratory expert said the key to COVID-19 prevention and c…
Graphite anode material is the main raw material of lithium ion battery anode sheet. Due to its rough processing technology, late start and industry specificity, the product is prone to quality problems such as fiber foreign matter and fine powder.…
There are mainly three indicators: foamability, foam toughness, and bleeding, to measure the quality of foaming agents.…
The high quality graphite mesh powder The high quality graphite mesh powder has good chemical stability. Specially processed high quality graphite mesh powder has the characteristics of corrosion resistance, good thermal conductivity, and low permeab…
Working clearance is an important quality index of spherical roller thrust bearings…
The longest prestressed concrete bridge in North America is made of lightweight concrete. At the same time, in the process of the bridge, high-quality silica aerogel powder were used to ensure its excellent quality. According to the Washington State…
iPhone13 series wireless charging coil or will be larger Apple plans to add a "bigger" wireless charging coil to the iPhone 13 series this year, which may pave the way for reverse wireless charging. In addition, Apple may plan to provide re...…
Does iPhone 13 have fingerprint unlock under the screen? According to the news, the design of the iPhone has basically been completed, but the previously rumored fingerprint unlocking under the screen will not appear on the iPhone 13. However, accord…