5results about How to "Have synergistic effect" patented technology

The present invention relates to the technical field of plates, and in particular to a highly wear-resistant and deformation-resistant PETG composite plate and a preparation method thereof. The highly wear-resistant and deformation-resistant PETG composite plate of the present invention comprises the following components in parts by weight: 30-50 parts of PET, 10-20 parts of modified PETG, 40-50 parts of nano calcium carbonate, 1-3 parts of toughening agent, 0.5-1 parts of antioxidant, 1-2 parts of lubricant, 1-1.5 parts of chain extender, 0.5-1 parts of polyamide, and 8-12 parts of flame retardant; the highly wear-resistant and deformation-resistant PETG composite plate has good wear resistance, impact resistance, water resistance and tensile properties; and has excellent deformation resistance, which lays a solid foundation for the wide application of PETG plates.

The invention provides a synergistic composition containing topramezone, the composition contains topramezone and a compound 1, the structure of the compound 1 is as follows: # imgabs0 # compound 1, and the weight ratio of topramezone to the compound 1 is (1: 20)-(20: 1), preferably (1: 10)-(10: 1), more preferably (10: 1)-(1: 1), especially preferably (10: 1), (3: 1), (2: 1) and (1: 1). In addition, the invention also provides a topramezone IX crystal, and the crystal can solve the problem that the performance of a dispersible suspending agent prepared from topramezone and the compound 1 is unstable.

The invention discloses a binder-free transition metal sulfide composite nitrogen-doped graphene negative electrode material and a preparation method thereof, and belongs to the technical field of secondary battery negative electrode materials. According to the technical scheme, the preparation method comprises the following steps: 1) dissolving zinc nitrate, cobalt nitrate and nitrogen-doped graphene in a mixed solution of ethanol and water, uniformly mixing, adding ammonium fluoride and urea, and continuously stirring; 2) adding foamed nickel and the uniformly mixed solution into a high-pressure reaction kettle for hydrothermal treatment, cooling, washing and drying to obtain a Zn-Co-precursor; (3) calcining the Zn-Co-precursor in an inert atmosphere, and (4) adding the Zn-Co-precursor into a high-pressure reaction kettle containing a sulfur source for hydrothermal vulcanization treatment, washing and drying to obtain the ZnCo2S4-coated NGr / NF negative electrode material.The graphene negative electrode material can improve the overall performance and stability of a secondary battery.

The application provides applications of IWR-1-endo and A-83-01 in promoting expansion and enhancing functions of human circulating hematopoietic stem / progenitor cells, relates to the technical field of stem cell biology and regenerative medicine, and IWR-1-endo and / or A-83-01 can promote expansion of cHSPCs; compared with a single reagent, the combination of the two has a synergistic promoting effect, significantly promotes expansion of cHSPCs, and maintains cell stemness and regenerative capacity, thereby providing a new idea for solving the technical problems in the prior art that human circulating hematopoietic stem / progenitor cells are difficult to be rapidly expanded in ex vivo culture while maintaining cell stemness and regenerative potential.

The invention discloses a nano Co2O3 / Fe3O4 composite PMS activation catalyst as well as a preparation method and application thereof, and belongs to the technical field of nano catalytic materials. Comprising the following raw materials in parts by weight: 18-36 parts of modified chitosan, 100-200 parts of a citric acid solution, 3-7 parts of cobalt chloride hexahydrate and 4-8 parts of ferric chloride hexahydrate. According to the prepared catalyst, Fe3O4 and Co2O3 nanoparticles are loaded in a biological carbon material, so that the activation of the bimetal catalytic PMS is better; the magnetism of Fe is beneficial to recovery of the catalyst, so that the cost is reduced; chitosan is modified, so that the PMS activation efficiency of the catalyst is enhanced; therefore, the prepared catalyst takes chitosan as a base material, is loaded with Fe and Co and is doped with N and S, has a synergistic effect, is extremely high in PMS activation efficiency, can be recycled through magnetic force, is low in cost and has a remarkable application value in the water treatment industry.