Oil futures tumbled more than $5 a barrel on news that the Biden administration is considering releasing about 1 million barrels a day from the U.S. Strategic Petroleum Reserve (SPR) for several months to cool surging crude prices.
Brent crude futures were down $4.71, or 4.2 percent, at $108.58 a barrel by 0035 GMT. U.S. West Texas Intermediate futures fell $5.45, or 5 percent, to $102.74 a barrel.
At an earlier time, gasoline prices had already reached record levels because of the Russia-Ukraine conflict.
The prices of other commodities like the graphene are also expected to be volatile.
Graphene is a two-dimensional crystal, which consists of carbon atoms with sp2 hybrid orbitals to form two-dimensional carbon nanomaterials with hexagonal honeycomb lattice.
Graphene has excellent optical, electrical and mechanical properties, and has important application prospects in material science, micro-nano processing, energy, biomedicine and drug delivery, and is considered to be a revolutionary material in the future.
Graphene is currently the thinnest but hardest nanomaterial in the world. It is almost completely transparent, absorbing only 2.3% of the light. The thermal conductivity is as high as 5300 W / m ·K, which is higher than carbon nanotube and diamond, harder than diamond, 100 times higher than the best steel in the world, its electron mobility is more than 15000 cm2/ V ·s at room temperature, and higher than carbon nanotube or silicon crystal (monocrystalline silicon). Its resistivity is only about 10-6 Ω cm, which is lower than copper or silver, making it the lowest resistivity material in the world.
Because of its extremely low resistivity and fast movement of electrons, it is expected to be used to develop a new generation of electronic components or transistors that are thinner and conduct faster. Because graphene is essentially a transparent and good conductor, it is also suitable for making transparent touch screens, light panels, and even solar cells.
Graphene can be used in a wide range of applications, from electronics to bulletproof vests and papermaking, and even future space elevators can use graphene as raw materials.
The price is influenced by many factors including the supply and demand in the market, industry trends, economic activity, market sentiment, and unexpected events.
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Cancer cells can "stretch out a big hand" and take away the mitochondria of immune cells. The Harvard Medical School research team cultured mouse and human breast cancer cells and immune cells, such as killer T cells, and used field emission scanning electron microscopy (FESEM) to observe the relationship between cancer cells and immune cells. interactive. Interestingly, they found that cancer cells stick out long nanotubes, typically within 100-1000 nanometers in diameter, each of which connects to multiple immune cells along the way. The researchers used the drug L-778123, which inhibits the formation of nanotubes, for treatment. The higher the concentration of L-778123, the better the treatment effect.
It is used in various high-tech fields, so the market demand for graphene will continue to rise. We are a quality supplier of graphene, please feel free to contact us.
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