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There is no unified global standard for regulations and supervisions of food cultures and the safety evaluation of strains based on the pathogenicity， toxin-producing characteristics and drug resistance， as well as t...

Arc fault, especially series arc fault, has been the primary cause of electrical fire, which is intermittent, hidden, random and uncertain, difficult to detect, and serious harm. The characteristics of arc fault are firs...

ObjectiveTo establish a high-performance liquid chromatography tandem mass spectrometry method for rapid determination of nine biogenic amines in aquatic products （fish， shrimp， shellfish） and meat （pork， bee...

ObjectiveCurrently, the insufficient full-element digitization and the prevalence of “data silos” in fully mechanized mining faces (FMMF) result in poor cutting precision and operational instability of shearers under...

BackgroundIn the field of geological exploration of coal mines, methods such as in-seam seismic exploration, the transient electromagnetic method, and audio-frequency electrical penetration offer unique technical advanta...

Objective and MethodTo achieve rapid coalbed methane (CBM) extraction from broken-soft coal seams using surface horizontal wells, this study proposed a volume fracturing technology for coal seam roof using horizontal wel...

ObjectiveTo address the false-negative risk associated with trace contamination of severe acute respiratory syndrome coronavirus 2 （SARS-CoV-2） on cold-chain food and packaging material surfaces， this study aimed t...

ObjectiveLimestone water hazards in coal seam floors represent one of the two primary categories of mine water hazards in China. Limestone aquifers are generally characterized by abundant static water reserves and consid...

ObjectiveDeveloped a method based on solid phase extraction（SPE） combined with gas chromatography-mass spectrometry （GC-MS） to determine 1，2-propanediol in milk.MethodsThe precipitation technology of protein an...