Spherical graphite is made of high-quality high-carbon natural flake graphite as raw material, and the surface of graphite is modified by advanced processing technology.…
Concrete is classified as high-strength concrete based on 28-day strength. Until the 1970s, concrete with a strength of more than 40Mpa was classified as high-strength concrete.…
Cement foaming machine needs auxiliary test machine to help achieve better foaming effect in construction application. Cement foaming agent is a chemical admixture, which is added to cement. Compensate for shrinkage and tension of steel bars to produ…
Recently, on Sinopec's annual results teleconference, the company representative answered questions about the oil prices, and said that the future trend of oil prices is still very uncertain, and it is expected to be around $100 this year and $85 nex…
Commodity prices are on track for their biggest rally in more than a century, while fixed-income assets have seen their longest run of outflows as the war in Ukraine adds to inflationary pressures in the global economy emerging from the coronavirus l…
Europe's largest economy, Germany, recently activated an emergency plan to manage gas supplies that the natural gas could be rationed if supplies are disrupted or disrupted by a stand-off over Russian demands to pay for fuel in rubles. German Vice-C…
Foam concrete is prone to cracking during maintenance, mainly caused by unscientific construction and maintenance of the proportioning. Luchuang has a series of solutions. In the years of construction, Luchuang has accurate material proportions for d…
The maintenance of lithium batteries has always been a controversial issue on the Internet.…
Lithium-ion batteries are divided into liquid lithium-ion batteries and polymer lithium-ion batteries. The electrolyte of lithium-ion batteries is fluid, so they are more unstable than lithium-polymer batteries, and they may explode if they are beat…
Nitinol titanium powder is a shape memory alloy,a special alloy that can automatically restore its plastic deformation to its original shape at a certain temperature, and has good plasticity.…
There are mainly three indicators: foamability, foam toughness, and bleeding, to measure the quality of foaming agents.…
How much carbon is generated during the production process of the ipad mini 4 screen replacement Ultrasonic whether can clean the ipad mini 4 screen replacement ? Most people are worried about whether the vibration used by the ultrasonic cleaning mac…