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Rare Earth fluorides (also known as rare earth fluorides) are often used as molten salt components (molten salt electrolysis method) or raw materials (calcium thermal reduction method) in the smelting of single or mixed rare earth metals, as additives in the processing and manufacturing of non-ferrous metallurgy, special alloys, lubricants (agents), coatings, welding fluxes, permanent magnetic materials, etc., and as catalysts in organic synthesis.

Rare earth elements are known as a treasure trove of new materials and "industrial vitamins" due to their unique 4f electronic structure. Rare earth oxide powders are a hot spot in the current development of rare earth materials. Particle size distribution is a very important performance indicator of rare earth oxide powders, which affects the different application ranges of rare earth oxides.

Rare earth oxyfluorides have the advantages of rare earth oxides and rare earth fluorides, that is, rare earth oxyfluorides have lower phonon energy than rare earth oxides and better thermal stability and durability than rare earth fluorides. Currently, research on rare earth oxyfluorides has become a hot topic.

Magnesium and its alloys are known as "green engineering materials of the 21st century" because of their lightweight, biodegradable and recyclable characteristics. Magnesium alloys have excellent thermal conductivity, high specific strength and specific stiffness, good mechanical properties and recyclability. They have important applications and broad development prospects in the fields of national defense, military products, automobile production, electronic components, etc.

Aluminum Alloy is relatively active. Under normal atmospheric conditions, an oxide film composed of α-Al₂O₃ and β-Al₂O₃ will naturally form on the surface, but the thickness is relatively thin. This makes the aluminum alloy matrix have a certain corrosion resistance in normal atmospheric environments, neutral and weak acid solutions. However, in environments with severe pollution, high humidity, coastal atmospheric environments, and other acidic and alkaline environments, the surface oxide film is difficult to have good corrosion resistance.

Coal is a fossil that has been subjected to geological action for a long time and contains a certain amount of rare earth elements. When coal is burned, the rare earth elements in it are enriched in the coal ash. Therefore, using coal ash as a raw material to extract high-value rare earth elements can not only produce rare strategic materials, but also effectively solve the problem of low utilization rate of coal ash, a major industrial waste.

Rare earth technology workers have long been committed to using rare earth citrate in PVC heat stabilizers and rubber additives, and have achieved many satisfactory results. Rare earth citrate can also achieve good results in animal experiments. In the experiment, rare earth citrate was added to animal feed to promote the digestion and absorption of nutrients, thereby promoting animal growth and reproduction. At the same time, the application of rare earth citrate in the medical field has been developing rapidly in recent years. It has a significant effect in anti-cancer and inhibiting tumor cells.

Due to its unique physical and chemical properties, Cerium Dioxide is widely used in the polishing fields of glass, semiconductors and jewelry, and has attracted extensive attention from researchers in recent decades. Related studies have shown that the addition of F to polishing powder plays an important role in improving the performance of rare earth polishing powder.

Hydrogen energy is regarded as the clean energy with the greatest development potential in the 21st century, but its large-scale use is restricted by problems such as storage difficulties and transportation risks. Ammonia is considered to be the most promising hydrogen carrier of the next generation due to its many advantages such as high hydrogen storage capacity and easy liquefaction under mild conditions. Hydrogen production with ammonia storage is the future development trend.

Since the 1960s, rare earth compounds have been discovered to have a series of special pharmacological effects. Rare earth ions have been found to be excellent antagonists of Ca²⁺, with sedative and analgesic effects. They are widely used in the treatment of burns, inflammation, skin diseases, thrombosis, etc., thus attracting widespread attention.