If the compatibility of polycarboxylate superplasticizer and cement is not good, the concrete mixture is prone to some problems, such as segregation, bleeding, greater slump loss, shorter setting time and so on, so that the concrete mixture can not b…
The first method is direct nitridation of titanium powder or TiH2.…
Recently, the International Energy Agency released its monthly report on the oil market. Affected by hot weather and soaring natural gas prices, some countries have had to change their ways of generating electricity and switch to oil-fired power gene…
At first, concrete additives were used only to save cement. With the development of construction technology, admixture has become the main measure to improve the performance of concrete.…
Tungsten disulfide is an extremely smooth dry film lubrication coating.…
Recently, OPEC and the International Energy Agency (IEA) have made two different judgments on oil demand forecasts, which makes the already unpredictable price of crude oil even more complicated.OPEC believes that as rising prices put pressure on bus…
The wide application of mineral admixtures mainly derived from industrial solid wastes diversifies the composition of cementitious materials, which is one of the main characteristics of modern concrete.…
A shortage of natural gas has hit the food-processing industry, which relies heavily on natural gas, with Germany's sugar industry saying many sugar plants are unable to produce due to a shortage of natural gas.About 30 percent of the world's sugar s…
France's annual inflation rate hit 6.1 percent in July 2022, rising further from 5.8 percent in June, the highest since July 1985, the National Institute for Statistics and Economics (Insee) said.…
In the European market, due to the heat wave in Europe, the Rhine River, one of the main traffic arteries in Europe, has fallen sharply, causing logistical problems for barges transporting i…
From April the French government will reduce fuel taxes slightly to ease the burden on consumers. Warned of possible energy shortages in France by the end of the year and called on the French to conserve electricity and gas from now on, saying that i…
Adding polycarboxylate superplasticizer can make the compressive strength of precast concrete reach 40MPa grade at 8h to 18h.…