In fact, in essence, nickel-based alloys are also a kind of stainless steel. They are just special stainless steels. The chemical composition is also different from ordinary stainless steel.…
There are many types of cement, such as low alkali cement, ordinary cement and so on. Do you know the difference between low alkali cement and ordinary cement?…
There are several kinds of water reducers: lignosulfonate, naphthalene sulfonate water reducing agent, polycarboxylate-based high-performance water reducing agent.…
The crystal development of natural graphite is relatively complete, the graphitization degree of natural flake graphite is usually above 98%, and the graphitization degree of natural microcrystalline graphite is usually below 93%.…
Hollow glass microspheres, sometimes termed microballoons or glass bubbles, have diameters ranging from 10 to 300 micrometers. Hollow spheres are used as lightweight fillers in composite materials such as syntactic foam and lightweight concrete. The…
Cement foaming agent is the key material in the production of foamed concrete. Whether it can produce foamed concrete with suitable density depends on the selection of a suitable cement foaming agent. There are many types of cement foaming agents on…
Spot market dynamics: February 28, the average price of 20mm three-level seismic rebar in 31 major cities 4868 yuan/ton, compared with the last trading day down 1 yuan/ton; Shanghai rebar's dollar-denominated index closed at 770.38, up 1.31%. To be s…
Gasoline prices at gas stations in the second week of March rose 97.6 won from the previous week to 1,861.6 won per liter. Although the average price for a week did not exceed 1,900 won, the price in the second half of the week in Seoul exceeded 2,00…
French scientists have confirmed for the first time through genome sequencing that the "deltacron" variant of the new coronavirus that has previously attracted a lot of attention does exist, which combines the mutations in the new coronavirus delta v…
Inthe face of new fibers, are traditional fibers such as product name stillcompetitive? Ifyou like outdoor sports, then you must be familiar with Gore-Tex and TNFoutdoor items, but don't forget the coated composite fabrics behind them. Ifyou are a mi…
Application of spherical roller bearingcontinuous casting machine In the metallurgical industry, sphericalroller bearings (SRB) are mainly used in the motion track of continuous caster,hot rolling and heating furnaces. The caster has the characterist…
Application of seal on oil film bearingof rolling mill Oil film bearing is also called liquidfriction bearing. In the process of rolling the mill, liquid lubrication isused to form a complete pressure oil film between the cone sleeve and bushing.The…
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…
BMW is exploring new investments in solar, geothermal and hydrogen energy to reduce its reliance on natural gas, the company's magnesium Stearate are still very uncertain. What is Magnesium Stearate?Magnesium stearate has the chemical for…
Recently, I learned from the University of Science and Technology of China that the team of Professor Zhu Yanwu of the school cooperated with the Shanghai Institutes for Advanced Study of the Chinese Academy of Sciences, Changzhou Sixth Element Mater…