Saudi Aramco, the world's largest oil company, released a briefing showing a profit of 181.64 billion Saudi riyals in the second quarter of 2022, once again setting a record for quarterly earnings after the company went public in 2019. Continue to ma…
OPEC+, an oil producers' alliance led by Saudi Arabia and Russia, stuck to its original plan to increase output by just 432,000 b/d in June, continuing to defy calls from major consumers led by the United States to pump more oil to keep prices down.…
Polycarboxylate superplasticizer has more advantages than traditional naphthalene and aliphatic superplasticizer in mixing high strength grade concrete, but its advantages of high water reduction cannot be brought into full play when the strength is…
ZnO is used as reinforcing agent and active agent in rubber or cable industry, as colorant and filler of white rubber, and as vulcanizing agent in neoprene rubber.…
Molybdenum disulfide is the main component of molybdenite. Black solid powder with metallic luster.…
John Albanese, leader of the Australian Labor Party, was sworn in as Australia's new prime minister. After his victory, Albanese said he would "make a big change" in the country's climate policy. "We now have an opportunity to end the 'climate wars'…
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…
Risk aversion plunged on the positive news of the Russia-Ukraine talks. After several days of rising oil prices, the price of precious metals continued to fall. Domestic futures markets remain stable for the time being.Back in international markets,…
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.…
Adding polycarboxylate superplasticizer can make the compressive strength of precast concrete reach 40MPa grade at 8h to 18h.…
The Nordic electricity market (Nord Pool) is reported as saying that electricity prices in Denmark are now three times higher than they were this time last year. Martin Hansen, deputy hea…
Although hydrogen fuel is a promising alternative to fossil fuels, the catalyst it relies on for power generation is mainly composed of rare and expensive metal platinum, which limits the wide commercialization of hydrogen fuel.…