In fact, from the mobile phone accessories industry category, charger or just the tip of the iceberg. The research found that mobile phone accessories can be roughly divided into built-in mobile phone accessories and external mobile phone accessories…
Calcium dodecylstearate, a chemical substance that looks like a needle, is flaky. It is not soluble or soluble with water. However, it can be dissolved in alcohol, ether, and chloroform. It can be used in the production of grease as well as for organ…
The European Commission has submitted to member states a new draft of sanctions against Russia, including an oil embargo. Some member states that rely heavily on Russian energy sought exemptions. Western media reported that the European Commission d…
The composition of titanium alloy TC4 material is Ti-6Al-4V, which belongs to (α+β) type titanium alloy and has good comprehensive mechanical and mechanical properties.…