The following is the technical specifications of tungsten contact for breaker, including range, standard, technical specification, testing method, transportation, packing, etc.

The testing method of sag of tungsten wire is processed according to Chinese standard of GB 4105-83, which is suitable for the diameter of Ø0.35~1mm.

Urine is one of the most gravimetric nitrogen (N) carriers in human excrement and contributes 80% of the nitrogen and 10% of the COD load in urban sewage in spite of accounting for only one percent of domestic wastewater.

Fusion power is considered as a promising candidate for future sustainable sources of energy. A major challenge for future fusion devices is the development of plasma facing materials (PFMs). The PFMs should be able to resist the harsh environment of fusion plasmas, e.g., high thermal loads, neutron irradiation, particle fluxes, etc. Therefore, the materials that could be used for PFMs are very limited. Tungsten is a very promising candidate for PFMs due to its high melting point, high temperature strength, good thermal conductivity, low erosion in fusion radiation environment, and low tritium retention.

Tungsten-based materials are widely used in various field for their unique properties such as high melting points, tensile and creep strength, corrosion and wear resistance, electrical and thermal conductivity. W-Y2O3 nano composite powders were synthesized by wet chemical route using APT as raw materials. The hydrogen ion concentration (ρ(H+)) was controlled to investigate its effect on the grain size and morphology of W-Y2O3 nano composite powders.

The ever-increasing energy demand in the world and the negative environmental impact of fossil fuels has made the development of renewable fuels a priority in science and engineering research. Photoelectrochemical (PEC) water splitting is considered a promising method to produce hydrogen using water as raw material.

Tungsten‑molybdenum (W-Mo) alloy is of considerable interest in recent years as a high temperature material for a various of applications, ranging from electric, electronic, nuclear reactor to space vehicle, due to its outstanding properties including high melting point, low thermal expansion, high thermal conductivity, and excellent mechanical strength at elevated temperature, etc.

Fusion energy has become the most promising clean energy due to its rich raw materials and environment-friendly. In order to product controllable fusion energy, the research of plasma-facing materials (PFMs) is the key issue. W is considered as PFMs due to its excellent properties, such as high melting point, high thermal conductivity, and low tritium retention.

Up to date, titanium dioxide (TiO2) is accepted as the most feasible material for photodegradation of organic and inorganic pollutants. However, the fast recombination of the photocatalytically generated charge carriers competes with the electron transfer of the reactants adsorbed on the catalyst surface, which limits its photocatalysis activity.