12results about How to "Organizational stability" patented technology

This invention provides a fermented milk with stable quality, a method for manufacturing the same, and a dephosphorylated milk. One fermented milk contains more than 0.8 g / 100 g of dephosphorylated casein.

This invention discloses a composite deformation heat treatment process for improving the strength and corrosion resistance of aluminum-lithium alloys, belonging to the field of aluminum-lithium alloy preparation technology. The composite deformation heat treatment process for improving the strength and corrosion resistance of aluminum-lithium alloys of this invention includes the following steps: (1) performing solution treatment, water quenching, and natural aging treatment on the aluminum-lithium alloy in sequence; (2) performing pre-deformation treatment on the aluminum-lithium alloy treated in step (1); (3) performing non-isothermal aging treatment on the aluminum-lithium alloy treated in step (3); wherein, the pre-deformation amount of the pre-deformation treatment is 4~10%; the non-isothermal aging treatment is to first raise the temperature from 40℃ to 140~200℃ and then lower the temperature to 100~160℃; the aluminum-lithium alloy treated by the composite deformation heat treatment process of this invention has both good mechanical properties and corrosion resistance.

The invention relates to the technical field of fasteners, and provides a high-strength bolt and a production process thereof.The production process of the high-strength bolt comprises the following steps that after a bolt blank is subjected to cold heading, thread machining, acid pickling and phosphating treatment, the high-strength bolt is obtained; the bolt blank body is composed of the following components in percentage by weight: 0.10% to 0.18% of C, 0.22% to 0.32% of Si, 0.65% to 0.85% of Mn, 0.50% to 0.65% of Cr, 0.012% to 0.03% of Ti, 0.010% to 0.025% of N, 0.01% to 0.015% of Al, 0.008% to 0.012% of Ce, 0.0015% to 0.0030% of B, and Slt; 0.015%, Plt; 0.020%, and the balance being Fe and inevitable impurities. Through the technical scheme, the problem of low bolt strength in related technologies is solved.

The application discloses a power distribution box electricity monitoring method based on big data analysis and relates to the technical field of big data analysis, which comprises the following steps: collecting loop-level electricity and operation data, and obtaining time series data sets through preprocessing; calculating an incremental energy density curve and a distribution entropy curve, and generating a joint sequence sample set; constructing an improved DLinear model to obtain a prediction sequence; performing singular spectrum decomposition and phase space re-embedding to form an abnormal recognition feature vector set; obtaining clustering attribution information based on a mean shift clustering algorithm; performing target risk integration to output a graded alarm result; and generating loop-level electricity monitoring to form an electricity monitoring result. The application realizes reliable electricity trend prediction and abnormal grading positioning monitoring of the power distribution box by combining the improved DLinear model prediction and the risk grading alarm of the mean shift clustering algorithm.

The application relates to the technical field of air conditioner cabinet control, and discloses an air conditioner cabinet control method, which comprises the following steps: acquiring state parameters of an air conditioner cabinet in real time, wherein the state parameters comprise operation parameters of multiple components of the air conditioner cabinet; performing environment prediction based on the state parameters, and determining an operation mode of the air conditioner cabinet based on the result of the environment prediction; determining fan basic parameters corresponding to the operation mode; performing linkage control on the operation parameters of the multiple components of the air conditioner cabinet based on the result of the environment prediction, the fan basic parameters and the state parameters; and continuously monitoring the state parameters acquired in real time, and taking corresponding processing measures when an abnormality is monitored. The application realizes the whole-process closed loop from prediction to decision-making, from linkage control to abnormality protection, effectively improves the comfort, reduces the energy consumption and enhances the operation safety.

The invention relates to a method for reducing the occurrence frequency of abnormal breakage of a ball head during a tensile test of an insulator steel foot in the technical field of steel smelting rolling and forging processing, and aims to solve the problem of high abnormal breakage frequency caused by insufficient whole-process organization genetic control in the prior art. According to the technical scheme, the method is characterized in that 45Mn2 steel with specific components is adopted, and the streamline and the structure of a high-stress area of the ball head are stabilized through cooperative control of key processes such as large-section blank casting and electromagnetic stirring of a continuous casting procedure, cold charging and high-temperature heating, initial forging temperature control, two-time forming forging of the ball head and dispersed cooling after forging. The method is mainly used for manufacturing insulator steel pins for high-voltage and ultra-high-voltage transmission lines, and the abnormal fracture frequency of the ball head is reduced to be smaller than or equal to 2 times per million pieces.

The present application relates to a kind of 90ksi grade duplex stainless steel and its preparation method, belong to metal material processing and toughening technical field, solve the technical problems that the existing 25Cr type duplex stainless steel solid solution state strength is insufficient, cold deformation can promote intensity but lead to plasticity and toughness significantly drop and large cross-section component forming difficulty.The 90ksi grade duplex stainless steel, chemical composition includes by mass percent:Cr 24%-26%, Ni 6.0%-7.5%, Mo 2.5%-3.0%, N≤0.32%, C≤0.03%, Si≤1.0%, Mn≤2.0%, the balance is Fe and impurities.The duplex stainless steel prepared by the present application, yield strength is not less than 621MPa, while elongation after break is not less than 17%, reduction of area is not less than 60%, realizes the matching of high strength and good plasticity, is suitable for the forming manufacturing of large cross-section complex shape component.

The invention discloses a production method of a cold-rolled steel strip for a welding wire. The production method comprises the working procedures of converter smelting, continuous casting, hot rolling, cold rolling, continuous annealing and flattening. Refining treatment is not carried out; continuous annealing is adopted in the annealing process, and a heating device is arranged behind the rapid cooling section. According to the cold-rolled steel strip produced through the method, the yield strength Rp0.2 is smaller than or equal to 190 MPa, the tensile strength Rm is 280-350 MPa, the percentage elongation after fracture A80 mm is larger than or equal to 44%, the cold-rolled steel strip has good formability, welding performance and drawing machining performance, the surface quality is good after drawing, surface defects such as orange peel and wrinkling do not exist, and meanwhile the production cost is low.

This invention belongs to the field of metallic materials technology, specifically a single-phase TiZrMo spherical refractory high-entropy alloy powder and its preparation method. The refractory high-entropy alloy powder is composed of any two of Al, Cr, and Nb, and Ti, Zr, and Mo. The atomic radius difference of the refractory high-entropy alloy powder is ≤6.5%, the alloy entropy enthalpy ratio Ω is ≥1.4, and the mixing enthalpy ΔH is... mix The energy density is -20.27 to -3.27 kJ / mol, and the vacancy electron concentration (VEC) is <4.96. Furthermore, the preparation method of this invention has the advantages of simple steps, easy composition control, high production efficiency, and near-net-shape forming. The prepared spherical single-phase BCC refractory high-entropy alloy powder has a high sphericity, smooth surface, and low cost. The high-entropy alloy bulk prepared from this powder has stable microstructure and properties, and its density (2.70–10.22 g / cm³) can be adjusted within a wide range. 3 It possesses both good plasticity (compressive fracture strain ≥10.0%) and strength (compressive strength ≥965MPa), making it suitable for large-scale industrial applications.

The invention belongs to the technical field of aluminum-based materials, and particularly relates to a high-strength and high-elongation 1100D aluminum foil and a preparation method thereof. Through composite addition of multiple elements such as RE and Zr and fine process control, the material strength is remarkably improved while good plasticity and machinability of the aluminum foil are guaranteed, the prepared aluminum foil overcomes the problem that the strength of a traditional 1100 series alloy is low or the ductility is sharply reduced after the strength is improved, and the comprehensive mechanical property of the aluminum foil is superior to that of a conventional product.

This invention belongs to the field of metallic materials technology, specifically a TiZrMo-based refractory high-entropy alloy and its preparation method. The refractory high-entropy alloy is composed of any two of Al, Cr, and Nb, and Ti, Zr, and Mo. The atomic radius difference δ of the refractory high-entropy alloy is ≤6.6%, the alloy entropy enthalpy ratio Ω is ≥1.1, and the mixing enthalpy ΔH is... mix The energy density ranges from -18.0 to 4.0 kJ / mol, and the vacancy electron concentration (VEC) is <6.87. Furthermore, the preparation method of this invention has the advantages of simple steps, easily controllable composition, high production efficiency, and near-net-shape forming. The prepared refractory high-entropy alloy has a stable microstructure and a density of less than 7.00 g / cm³. 3 It has a Vickers hardness greater than 1400 HV, a room temperature compressive strength consistently above 980 MPa, an elongation at break greater than 10.8%, and an oxidation weight gain of less than 15.00 mg / cm³ at 800℃ for 12 hours. 2 It is low in cost and easy to apply on a large scale in industrial applications.