Diamonds are forever, Gold is precious but which is rarer? Gold is a heavy metal formed during the collision of neutron stars and is one of the rarest elements on Earth.During the formation of the earth, heavy elements gradually accumulated towards t…
Molecular sieves are materials with holes of uniform size (very small holes). These pores are similar in size to small molecules, so large molecules cannot enter or be adsorbed, while smaller molecules can.…
Diamonds are forever, Gold is precious but which is rarer? Gold is a heavy metal formed during the collision of neutron stars and is one of the rarest elements on Earth.During the formation of the earth, heavy elements gradually accumulated towards t…
Susano Paper and Pulp, the Brazilia-based company that is the world's largest pulp producer, has warned that global pulp stocks have been falling sharply and are facing shortages that could lead to higher prices for necessities such as paper towels a…
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…
Lithium batteries use organic solvents, unlike the zinc chloride and potassium hydroxide aqueous electrolytes of the current manganese batteries and alkaline dry batteries.…
After Russia pledged to scale back its military operations around Kyiv and in northern Ukraine, the prices of most industrial metals fell, led by aluminum, showing people's concerns for supply shortage eased.At an earlier time, the West imposed sweep…
There are several kinds of water reducers: lignosulfonate, naphthalene sulfonate water reducing agent, polycarboxylate-based high-performance water reducing agent.…
The purity of carbonaceous raw materials such as petroleum coke and pitch coke is relatively high, and the ash content is usually less than 0.5%, while the purity of natural graphite treated by flotation is relatively low, and the carbon content is u…
At present, the global green industry is developing rapidly, and many countries are accelerating the pace of institutional innovation and technological innovation, promoting the transformation and upgrading of the economy, energy and industrial struc…
Omicron BA.2 subtype variant may cause severe disease and impact on use of superplasticizer in concrete The latest research results from the University of Tokyo in Japan show that the new coronavirus Omicron BA.2 subtype variant not only spreads fast…
On December 21, the commissioning ceremony of the Kovykta gas condensate field in Russia's Irkutsk region and the Kovykta-Chayanda section of the "Power of Siberia" gas pipeline was held simultaneously in several places in Russia. Russian President V…
Manganese oxide is either a black amorphous or black rhombic powder. Solubility: It's difficult to dissolve in water or weak acid/weak base and in conc. Purity: 96.6%,72%.Particle Size: 1 to 3 mm About Manganese Dioxide MnO2: Manganese dioxide…
What is metal powder 3D printing?3D printing material can be ceramic materials, metals materials, plastics materials, sand and other materials. Metal powder 3d printing: Uses and applications In the aerospace industry, which is a high-tech sector…