Have you ever noticed the materials of the cups on the market? You may find that there is a type of material becoming fashionable for a time—Tritan. What is Tritan? It is a new generation of materials...
For traditional copolyester, glass transition temperature is low to limit its application in high temperature. Maybe polycarbonate would be an appropriate choice due to high transition temperature. Bu...
Assume that at the scene of the murder, a corpse was found. However, after a careful investigation, no useful clues could be found, and the case was detected and stalemate. Investigators sprayed a liq...
Liver function test is an important auxiliary method for the diagnosis of hepatobiliary system diseases. The basic items of liver function test usually include: alanine aminotransferase, aspartate ami...
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