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Many ASTM standards encompass the determination of the flash point of petroleum and petroleum products. ASTM D 93A is a key technique for the specification of diesel and aviation turbine fuels. First, ...
Microbiome tests measure the microorganisms in a person’s gastrointestinal (GI) tract. These tests can give the person an idea of the types and amounts of microorganisms in their gut. However, people ...
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