Abstract: The present invention discloses a high-entropy soft magnetic alloy with 900 K high-temperature resistance, comprising Fe, Co, Ni, Si and Al, and the atomic percent of the alloy composition is expressed as FexCoyNizSimAln, wherein x=40%-80%, y=20%-60%, z=0-30%, m=0-20%, n=0-20%, and x+y+z+m+n=100%; the atomic percent of other doping elements is p=0-5%, and 0.5?m/n?3; the performance indexes of the material include: at room temperature, saturation magnetization Ms=90-150 emu/g, and coercive force Hc=0.1-15 Oe; and at 900 K, saturation magnetization Ms=70-130 emu/g, and coercive force Hc=0.1-25 Oe.

Abstract: The present application relates to a method for statistical distribution characterization of dendritic structures in original position of single crystal superalloy, and relates to the technical field of analysis of metal material composition and microstructure, comprising the following steps: step 1, processing a to-be-tested sample and determining a calibration coefficient; step 2, obtaining a two-dimensional element content distribution map of the to-be-tested sample; and step 3, determining the number and average spacing of primary dendrites. A composition distribution region analyzed in the present application is larger than the area of a distribution region of the traditional microscopic analysis method, and the sample preparation is simple. The distribution, number and average spacing of the primary dendrites can be obtained without metallographic corrosion sampling.

Abstract: An adaptive characteristic spectral line screening method and system based on atomic emission spectrum are provided, the method includes: using a set characteristic screening optimization method to perform a plurality of optimization rounds of characteristic screening, obtaining an initialized spectral dataset of each round of the characteristic screening and initialized characteristic population genes; obtaining an optimal characteristic population gene of each round by a set analysis method, a fitness function, and an iteration of a genetic algorithm; obtaining an optimized characteristic spectral information set when the plurality of optimization rounds reach set optimization rounds; performing combination statistics and discriminant analyses on the optimized characteristic spectral information set to complete an adaptive characteristic spectral line screening.

Abstract: A high-throughput 3D printing system for preparing multi-component, small sized samples, includes a raw material supply module, providing a various kinds of metal powders for printing small sized samples; the first mixer module, mixing the metal powders obtained from the raw material supply module to generate the first blended metal powders; the second mixer module, mixing the first mixed metal powders, in order to generate the second blended metal powders for printing small sized samples; the first printing module, printing the secondary blended metal powder into a small-sized sample; a control module, controlling other functional modules of the high-throughput 3D printing system for generating small-size samples.

Abstract: The present disclosure provides a method for dissipating heat from a vehicle, a storage medium, and a vehicle. The method includes the following steps: determining a target opening angle of an active air-intake grille based on a current vehicle-speed and a current heat-dissipation demand of the vehicle while the vehicle is in a driving state; determining a residual heat-dissipation demand of the vehicle based on the current heat-dissipation demand and a heat-dissipation demand that can be provided by the target opening angle; determining, according to the residual heat-dissipation demand, the target speed gear required for the cooling fan of the vehicle to provide the residual heat-dissipation demand; and adjusting an opening angle of the active air-intake grille of the vehicle to the target opening angle and a speed gear of the cooling fan to the target speed gear, to perform a heat dissipation for the vehicle.

Abstract: A scent boosting composition comprising both a liquid fragrance composition and a water-disintegrate particulate fragrance composition each of which is enclosed in separate compartments of a single water-soluble envelope, the particulate fragrance composition comprising a solid component and a fragrance component. The composition provides to washed fabrics in a washing machine, both an immediate fragrance and an enduring fragrance.

Abstract: Includes the following steps: (1) Mix organs and tissues with formamide and monovalent cation salt solution, homogenize them to obtain the dehydrated biological sample; (2) Mix the dehydrated biological sample with monovalent cation salt solution for incubation; (3) Add the monovalent cation salt solution with precipitation effect to the mixture, mix them and centrifuge, then pour the supernatant into another centrifuge tube; (4) Add isopropanol, mix it and centrifuge, and then discard the upper phase liquid, the lower phase liquid and the visible residual impurities between the upper and lower phases to get white RNA precipitate. This method proposed in the invention enables efficient isolation of protein from RNA in the biological samples.

Abstract: Includes the following steps: (1) Mix organs and tissues with formamide and monovalent cation salt solution, homogenize them to obtain the dehydrated biological sample; (2) Mix the dehydrated biological sample with monovalent cation salt solution for incubation; (3) Add the monovalent cation salt solution with precipitation effect to the mixture, mix them and centrifuge, then pour the supernatant into another centrifuge tube; (4) Add isopropanol, mix it and centrifuge, and then discard the upper phase liquid, the lower phase liquid and the visible residual impurities between the upper and lower phases to get white RNA precipitate. This method proposed in the invention enables efficient isolation of protein from RNA in the biological samples.