In recent days, Intel can be said to be sitting on the needle. Since AMD released the Rzen series of processors, AMD has regained a lot of market share from Intel with its advanced multi-core architecture and excellent comprehensive performance. In the face of competitors' catch-ups and upgrades, the toothpaste factory no longer dared to squeeze toothpaste, and sacrificed many techniques at the bottom of the box.

Sulfuric acid and hydrochloric acid are commonly used as catalysts for the synthesis of ethyl acetate. In addition to traditional inorganic acids, there are solid superacids and ionic liquids supported on mesoporous materials. The inorganic acid catalyst corrodes the instrument seriously, and the homogeneous catalytic products are not easy to separate, which is easy to produce waste acid waste liquid and other pollutants. Solid acid also has the disadvantage of serious corrosion to the instrument, and the catalytic activity decreases quickly and the cost is high.

Tungsten metal is widely used due to its high melting point, high modulus of elasticity, good shock resistance and corrosion resistance, high electrical conductivity, thermal conductivity and excellent thermal fatigue resistance, and low expansion coefficient.

Tungsten electrodes are the key materials in inert gas shielded welding and plasma welding, cutting, spraying, melting and special electric light sources. At present, most of them are tantalum tungsten electrodes (including ThO₂) and tantalum tungsten electrodes (including CeO₂). The thorium-tungsten electrode will bring radiological hazard to the environment and human health during its production and use; the thorium-tungsten electrode can replace the thorium-tungsten electrode only in the small-size welding tungsten electrode.

With the development of semiconductor technology, the manufacture of camera sensor technology (CIS: CMOS image sensor) with metal oxide semiconductor technology has become a mainstream process in the field of emerging imaging. Among them, the metal film has a good visible light reflection conduction property, and is widely used as a reflection or isolation layer of incident light in the industry.

Phosphotungstic acid and silicotungstic acid are the main members of the heteropoly acid family. They have high catalytic activity, good selectivity, no pollution to the environment and little corrosion to equipment. They are a kind of green catalysts with great development prospects. In practical applications, scholars believe that immobilizing heteropoly acids on matrix materials can not only make the catalyst easy to recover and continuous production, but also greatly improve the specific surface area and catalysis, which is conducive to improving product quality and reducing production costs.

High strength, high toughness, high hardness, light weight, high temperature resistance and corrosion resistance are the main development directions of high performance structural materials. Tungsten, with its excellent high temperature resistance, high strength and hardness, is an irreplaceable key material in many fields, especially in the field of national defense, military industry, aviation and aerospace.

Nickel-tungsten catalysts are widely used in hydrofining and hydrocracking. Their main components are about 25% tungsten trioxide, 2% nickel oxide, 50% alumina, 5% silicon dioxide and a small amount of iron and vanadium. Waste nickel-tungsten catalysts contain tungsten, nickel and other metals. If they can be recycled, they will produce enormous economic benefits. At the same time, the pollution and damage to the environment caused by waste nickel-tungsten catalysts are avoided.

Nitrogen oxides (NO_x) emitted from coal-fired power plants are recognized as one of the three major atmospheric pollutants, which can cause environmental problems such as acid rain, ozone layer destruction, greenhouse effect, and seriously endanger the earth's ecological environment and human health.

At present, tungsten-rare earth oxide electrode materials for argon arc welding, plasma cutting and steelmaking at home and abroad are manufactured by powder compaction, sintering and deformation.