What is boron carbide used for ?
Boron carbide (B4C) is grayish black and is a very hard man-made material.…
Boron carbide (B4C) is grayish black and is a very hard man-made material.…
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.…
The COVID-19 pandemic has wreaked havoc on the youth Labour market, the ILO said. The ILO's just-released Global Employment Trends 2022 report found that the job prospects of young people aged 15 to 24 lag behind other age groups.…
China's trade in goods totaled 23.6 trillion yuan in the first seven months of this year, up 10.4 percent year on year, according to the General Administration of Customs. Foreign trade has overcome many adverse effects and achieved rapid growth. Dol…
In the second half of 2022, the uncertain world economic outlook, volatile oil prices, and ongoing logistics challenges cast a veil of uncertainty over the global ethylene and propylene industry chain. Overall, there are challenges to overcome in all…
Japan surpassed the U.S. in the number of new coronavirus cases last week as the local epidemic worsened sharply. Medical experts have warned that Japan's medical system could be in…
The U.S. has reported more than 3,800 cases of monkeypox, the most of any country, according to government health data. The increase in the number of cases has reportedly prompted the Biden administration to consider declaring a national health emerg…
According to data released by the National Bureau of Statistics on July 9, China's producer prices rose by 6.1% year-on-year in June, flat month-on-month. Prices for industrial producers rose 8.5 percent year on year and 0.2 percent month-on-month.…
Recently, the International Energy Agency (IEA) released a report showing that global demand for naphtha has fallen sharply. Two factors account for this, the IEA said. On the one hand, profits are being squeezed by rising crude oil prices and shrink…
Libya's oil production has risen to more than 1m b/d, official data showed on Monday, a milestone for the North African country, up from 800,000 b/d just last week. Libya's oil production ros…
What is colloidal silicon dioxide?Colloidal silica is a gaseous silica prepared by hydrolysis of silica compounds. It is a kind of fine silicon that can be uniformly dispersed. It is insoluble in water. Silicon is a natural element in the periodic ta…
Nickel-based alloys refer to a class of alloys that have high strength and a certain degree of oxidation and corrosion resistance at a high temperature of 650 to 1000 ℃.…
The graphite powder 50g The graphite powder 50g has good chemical stability. Specially processed graphite powder 50g has the characteristics of corrosion resistance, good thermal conductivity, and low permeability. It is widely used in the manufactur…