For billionaires, the new crown epidemic is like a 'gold rush'! The Deutsche Presse-Agentur said on the 17th that in 2022, the wealth held by the world's top ten richest people will jump from $700 billion to $1.5 trillion, an average daily increase of $1.3 billion, an increase that exceeds the past 14 years. These 10 people The wealth held by the world’s poorest 3.1 billion people is six times greater than that of the world’s poorest 3.1 billion people. The 10 richest Germans have increased their assets from the equivalent of about 125 billion euros to about 223 billion euros since the start of the Covid-19 pandemic, An increase of about 78%. This wealth is roughly equivalent to the total wealth of the poorest 40% of the population, or 33 million Germans.
In the future, demand for nano materials will grow as fast as the wealth of the rich during the pandemic.
What are Nanomaterials?
Nanomaterials can be defined as materials with at least one external size of 1-100nm. The definition given by the European Commission stipulates that at least half of the particles in the quantitative size distribution must have a particle size of 100nm or less.
Because of the ability to generate materials in specific ways to play a specific role, nanomaterials are used across industries, from health care and cosmetics to environmental protection and air purification.
Why nanomaterials are used?
Compared with bulk materials, nanomaterials have the following properties:
Small size effect. The periodic boundary conditions of the crystal are destroyed, and the atomic density near the surface layer of amorphous nanoparticles decreases, which leads to changes in acoustic, optical, electrical, magnetic, thermal and other properties, such as magnetic ordered state to magnetic disordered state, C-conducting phase to normal and so on.
Surface effect. The size of nanoparticles is small, the number of atoms on the surface increases, the surface area and surface tension become larger, and the coordination of atoms is insufficient, so that nanoparticles have high chemical activity and are easy to combine with other atoms.
Quantum size effect. When the particle size decreases to a certain value, the electron energy level near the Fermi level changes from quasi-continuous to discrete energy level. The splitting of energy level spacing will lead to significant differences in magnetic, optical, acoustic, thermal, electrical and C conductivity and macroscopic properties of nanoparticles.
Quantum tunneling effect. Microscopic particles have the ability to penetrate the potential barrier, which is called tunneling effect. It is found that the macroscopic physical quantities such as the magnetization of microparticles and the magnetic flux in quantum coherent devices also have tunneling effect. Moreover, nanomaterials have synergistic effect and quantum coupling effect caused by combination, and many strange properties of nanomaterials can be regulated by external field.
Nano materials Price
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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Nano materials Supplier
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The World Food Program (WFP) of the United Nations (UN) and the European Union (EU) said in a statement that the conflict between Russia and Ukraine poses risks to global food supplies, and called on the international community to increase support for vulnerable countries and jointly address food security challenges.
A few days ago, the Executive director of the World Food Program, the European Commission's commissioner in charge of crisis management, the French Foreign Minister of the ROTATING EU presidency, and other officials held a meeting in Rome, Italy, to discuss how to deal with the negative impact of the Conflict between Russia and Ukraine on global food security.
One of the officials told a news conference after the meeting that the world was facing a food supply challenge that would "last for many years" as the conflict between Russia and Ukraine pushed up global food prices and disrupted the nano materials will continue.
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