Polyvinyl Alcohol Fiber (PVA fiber) is a high-performance synthetic fiber that is commonly used in many fields because of its special physical and chemical properties. PVA fiber has the attributes of high stamina, high modulus, great chemical resistance and biodegradability, which makes it do well in sectors such as building design, clinical health, environmental management…
Round molybdenum powder is a sort of molybdenum metal powder with an unique shape, typically made use of in the manufacturing of steel parts that need excellent fluidness and harmony, such as high-temperature alloys, thermal spraying products, plasma splashing, steel shot molding (MIM), laser melting deposition (LMD), digital product packaging, and additive production (3D printing)….
For both astronauts who had simply boarded the Boeing “Starliner,” this trip was truly frustrating. According to NASA on June 10 regional time, the CST-100 “Starliner” parked at the International Spaceport Station had another helium leakage. This was the fifth leakage after the launch, and the return time had to be postponed. On June 6,…
1. Iridium Iridium is one of the really rare elements in the earth’s crust, typically accounting for only one ten-millionth of the planet’s overall mass. International iridium reserves are approximately 1,600 tons. Iridium has a high melting factor and incredibly firmness and is primarily utilized in the areas of electronic devices, chemistry, medication, and aerospace….