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This invention relates to an early-strength agent for hypersulfate cement concrete and its application, belonging to the field of building materials. The early-strength component of the hypersulfate cement comprises, by weight, the following components: 70-80 parts C-S-H / PCE, 15-25 parts sodium hydroxide or sodium carbonate, 5-10 parts sodium lactate, and 10-20 parts lithium carbonate. This invention solves the problem of long setting time of hypersulfate cement and slow early strength development of the prepared concrete, and plays a positive role in promoting the application of hypersulfate cement.

The invention discloses application of LRP1 in preparation of osteoarthritis medicines, and belongs to the technical field of biological medicines. The m6A methylase can regulate the immune homeostasis of macrophages and regulate chondrogenic differentiation of bone marrow mesenchymal stem cells through LRP1 mediated lipid metabolism reprogramming, so that repair and regeneration of articular cartilage are promoted, and a potential new immune metabolism dual regulation strategy is provided for treatment of osteoarthritis patients.

The application discloses a mink-derived Pediococcus acidilactici, a postbiotic thereof and application, and belongs to the field of microbial technology and animal nutrition. The Pediococcus acidilactici is preserved in the China General Microbiological Culture Collection Center, and the preservation number is CGMCC No. 33419. The strain is homologous to mink, and has excellent in-vitro probiotic characteristics. The strain is used as a probiotic additive in mink feed, and can significantly improve the growth performance of mink. The postbiotic prepared by wet heat treatment of the strain liquid at 110-130 DEG C for 10-20 min is added into the mink feed at an amount of 0.05%-0.15%, and can significantly improve the growth performance of male and female mink. The postbiotic preparation process is simple, low in cost, and suitable for large-scale application.