The secretary general of the Organization of Petroleum Exporting Countries (OPEC) said recently that US economic sanctions against Venezuela have affected global energy supplies. He told Venezuelan media that the ECONOMIC sanctions imposed by the Uni…
Since the beginning of this year, people around the world have felt the pressure of rising prices. Not only the rise in oil prices but also different industries have seen soaring prices. According to the latest data, from August 2021 to the present,…
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…
European Commission President Ursula von der Leyen recently called on India and other countries to support sanctions against Russia over the Ukraine incident. At The Raisina Dialogue forum, von der Leyen said, "We earnestly appeal to all members of t…
Nano titanium carbide is one of the transition metal carbides with the highest hardness, but its brittleness is not suitable for pure use. They are added to tungsten-based cemented carbide at 5-30% by weight to increase hardness and high temperature…
The spread of the novel coronavirus is taking a direct hit on the operations of airlines in Asia. About 500,000 flights taking off and landing in mainland China have been canceled since January, according to aviation information company Cerium. Touri…
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.…
Recently, the EU proclaimed new sanctions on Russia, including coal, timber, rubber, cement, and fertilizer, as well as high-end seafood titanium powder. General:Can be used in pyrotechnic fuzes and combustible compositions, photographic…
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 recent visit by US House Speaker Nancy Pelosi has boosted US-Taiwan relations at a time of increasing tension between Washington and Beijing. She vowed that the United States would protect Taiwan's democratic autonomy. "The United States is still…
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 molybdenum rod with high melting points, high thermal conductivity, and low thermal expansion can be used in the production of high-temperature heating elements, electric vacuum systems, light source parts and electric vacuum pumps. Metal alloy C…
What is Aluminum Silicon Carbide? Aluminum silicon The carbide AlSiC material (abbreviated in English as Al/SiC or SICP/Al, SiC/Al) is a particle-reinforced matrix composite using Al alloy. SiC is used to reinforce a multi-component composite mate…
Dry and large flow concrete is used to solve the problems of unreasonable gradation of sand and stone, excessive stone powder, machine-made sand, bottom glue, low-grade large flow concrete, and poor waterline and workability after pumping and coagula…