Abstract: The present invention provides a wave-absorbing heat-generating coating for melting ice on a wind turbine blade, and a preparation method therefor. By means of coating the surface of a wind turbine blade with the material, an ice layer on the surface of the wind turbine blade is removed by means of the cooperation between same and microwaves. The coating provided in the present invention uses environmentally friendly chemical components, can be sprayed on a large area of a wind turbine blade, has the advantages of a self-cleaning ability, resistance to heat and humidity, freezing resistance, etc., and does not corrode the wind turbine blade. By means of the coating of the present invention cooperating with microwaves for de-icing, microwave energy can be better absorbed and converted into heat energy to rapidly melt ice at an interface, thereby loosening an ice surface and detaching same.

Abstract: This application provides Fe—Mn—Al—C lightweight steel, including: Fe, wherein a weight percentage of the Fe is greater than or equal to 50.4 wt %; Mn, wherein a weight percentage of the Mn is 25-35 wt %; Al, wherein a weight percentage of the Al is 6-12 wt %; C, wherein a weight percentage of the C is 0.8-2.0 wt %; and O, wherein a weight percentage of the O is 0.005-0.6 wt %. This application further provides a terminal to which the Fe—Mn—Al—C lightweight steel is applied, a production method for the Fe—Mn—Al—C lightweight steel, a steel mechanical part, and an electronic device. The lightweight steel in this application has low density, high strength, and high elongation.

Abstract: Embodiments of this application provide a maraging steel, a method for preparing a maraging steel, and an electronic device. The maraging steel includes the following alloy elements: Co, Mo, and Ti. By weight percentage, a content of Co ranges from 12 wt % to 17 wt %, a content of Mo ranges from 6 wt % to 8 wt %, and a content of Ti ranges from 0.4 wt % to 1.5 wt %. The maraging steel further includes the following alloy elements: Ni, Al, Fe, and an impurity element. By weight percentage, a content of Ni ranges from 15 wt % to 18 wt %, Al?0.3 wt %, and the remainder is Fe and the impurity element. Embodiments of this application provide the maraging steel, the method for preparing a maraging steel, and the electronic device, so that the maraging steel can have both a high strength and high plasticity.

Abstract: An oil-water identification method based on RPFE characteristics of undisturbed formation can identify oil and water layers, and the oil-water identification method is based on the dispersion of the original signal of array induction logging, mapping a spectrum image of the array induction logging sub-array 7, and forming a two-dimensional oil-water identification chart by using the dispersion and the product of the resistivity after borehole correction and the formation porosity, and the test of actual logging data shows that this method can accurately and effectively divide the oil and water layers, and improve the efficiency of the oil-water evaluation in reservoir.

Abstract: A testing device for mechanical properties of a spray anchor net support system, comprising a main frame (100), a lifting and transporting mechanism (200), a mechanical testing mechanism, a testing platform (500), and a monitoring mechanism (600). The lifting and transporting mechanism (200) is arranged on the main frame (100): the testing platform (500) comprises a mold set and a support assembly to be tested (530); the mold set is movably arranged on the main frame (100), and said support assembly (530) is arranged at the bottom end of the mold set, the mechanical testing mechanism is arranged corresponding to said support assembly (530) and is used for implementing a dynamic impact property test or a static mechanical property test on said support assembly (530); and the monitoring mechanism (600) is communicatively connected to the testing platform (500).

Abstract: This application provides a housing, a terminal device, and a housing manufacturing method. The housing includes a magnesium-based metal matrix. A first aluminum-based metal layer and a second aluminum-based metal layer are respectively disposed on two sides of the magnesium-based metal matrix, a first transition layer is disposed between the magnesium-based metal matrix and the first aluminum-based metal layer, an appearance layer is disposed on a surface of a side that is of the first aluminum-based metal layer and that is away from the first transition layer, a second transition layer is disposed between the magnesium-based metal matrix and the second aluminum-based metal layer, and an electrical connection layer is disposed on a surface of a side that is of the second aluminum-based metal layer and that is away from the second transition layer.

Abstract: The present invention provides a wave-absorbing heat-generating coating for melting ice on a wind turbine blade, and a preparation method therefor. By means of coating the surface of a wind turbine blade with the material, an ice layer on the surface of the wind turbine blade is removed by means of the cooperation between same and microwaves. The coating provided in the present invention uses environmentally friendly chemical components, can be sprayed on a large area of a wind turbine blade, has the advantages of a self-cleaning ability, resistance to heat and humidity, freezing resistance, etc., and does not corrode the wind turbine blade. By means of the coating of the present invention cooperating with microwaves for de-icing, microwave energy can be better absorbed and converted into heat energy to rapidly melt ice at an interface, thereby loosening an ice surface and detaching same.

Abstract: The present disclosure discloses an application of Loigolactobacillus coryniformis subsp. coryniformis in the efficient degradation of aflatoxin. The method is as follows: Loigolactobacillus coryniformis subsp. coryniformis 523L5 is inoculated into LB broth containing Aflatoxin B1, and Aflatoxin B1 is degraded by dark reaction at 25-55° C. and pH 3.0-9.0. The Loigolactobacillus coryniformis subsp. coryniformis 523L5 has good growth performance, high acid production ability, strong salt tolerance and acid tolerance, and may tolerate about 7% salinity. It may grow under the condition of pH 4.5 and has good fermentation performance. The fermentation broth can efficiently degrade Aflatoxin B1 under acidic (pH 5.0-7.0) and high temperature (50-55° C.) conditions, and the highest degradation rate can reach 88.13% at 40° C. and pH 7.0.

Abstract: Provided are a standing coke-making furnace, a coke-making system and a method thereof.

Abstract: Embodiments of this application provide an electronic device, a rotating shaft, a laminated composite material, and a method for manufacturing a laminated composite material. The laminated composite material includes at least two material layers that form the laminated composite material, and the at least two material layers include a first material layer and a second material layer adjacent to each other. The first material layer uses a first metal material, yield strength of the first metal material is greater than 200 Mpa, and an elongation rate of the first metal material is greater than 6%. The second material layer uses a first composite material, and the first composite material includes a second metal material and diamond particles. In this way, heat conduction performance and heat dissipation performance of the rotating shaft are improved while fracture-resistant performance and wear-resistant performance of the rotating shaft are ensured, thereby improving user experience.

Abstract: Provided are a standing coke-making furnace, a coke-making system and a method thereof.

Abstract: This application relates to lightweight steels, preparation methods thereof, and steel structural parts and electronic devices that use the lightweight steel. An example light weight steal includes: Fe, in a percentage by weight greater than or equal to 48.18 wt %; Mn, in a percentage by weight of 30.01 wt % to 35.01 wt %; Al, in a percentage by weight of 12.01 wt % to 15.01 wt %; C, in a percentage by weight of 1.0 wt % to 1.5 wt %; and O, in a percentage by weight of 0.03 wt % to 0.3 wt %. This application further provides a steel structural part, an electronic device that use the lightweight steel, and a preparation method of the lightweight steel.

Abstract: The present disclosure relates to a steel, a steel structural part, an electronic device, and a steel structural part preparation method. An example steel includes Fe with a weight percentage of ?60.67 wt %, Cr with a weight percentage of 8.01 wt % to 8.99 wt %, Ni with a weight percentage of 6 wt % to 7 wt %, Co with a weight percentage of 15.01 wt % to 15.99 wt %, Mo with a weight percentage of 5.5 wt % to 6.5 wt %, Nb with a weight percentage of ?0.5 wt %, O with a weight percentage of ?0.3 wt %, and C with a weight percentage of ?0.05 wt %.

Abstract: An ECG electrode is provided. The ECG electrode includes an electrode substrate and a doped graphite-like carbon film located on an outer surface of the electrode substrate. The doped graphite-like carbon film includes graphite-like carbon, and first nano-crystals and second nano-crystals that are embedded in the graphite-like carbon. The first nano-crystal includes a weak carbon-bonding element. The weak carbon-bonding element has a part that exists in a form of a metallic elementary substance. The first nano-crystal includes a columnar structure. The columnar structure extends in a thickness direction of the doped graphite-like carbon film. The second nano-crystal includes a strong carbon-bonding element. The strong carbon-bonding element bonds with the carbon element in the graphite-like carbon through a chemical bond. The second nano-crystals are distributed between adjacent and spaced columnar structures.

Abstract: This application provides a housing, a terminal device, and a housing manufacturing method. The housing includes a magnesium-based metal matrix. A first aluminum-based metal layer and a second aluminum-based metal layer are respectively disposed on two sides of the magnesium-based metal matrix, a first transition layer is disposed between the magnesium-based metal matrix and the first aluminum-based metal layer, an appearance layer is disposed on a surface of a side that is of the first aluminum-based metal layer and that is away from the first transition layer, a second transition layer is disposed between the magnesium-based metal matrix and the second aluminum-based metal layer, and an electrical connection layer is disposed on a surface of a side that is of the second aluminum-based metal layer and that is away from the second transition layer.

Abstract: A method and a system measure interfering influences on a checkweighing device. In the method, external interference data are obtained, as are interference data from the checkweighing device itself and interference data from an object being weighed, by calculating or mapping the weighing error data in the stationary state, in the operating state, and in the weighing state. The system for measuring the interference uses a meter and a processing apparatus. The meter and the processing apparatus perform an interference measurement and a compensation method. The amount of interference in the checkweighing device in each state and the amount of influence of the interference on the weighing performance is obtained, thereby facilitating the production, debugging, maintenance, and use of a checkweighing device.

Abstract: A steel material is disclosed. The steel material includes components in the following mass percentages: 14% to 20% of nickel, 7.5% to 11% of cobalt, 4% to 7% of molybdenum, to 0.5% of rhenium and/or a rare earth element, less than or equal to 0.2% of manganese, less than or equal to 0.2% of silicon, less than or equal to 0.1% of carbon, less than or equal to of oxygen, iron, and inevitable impurities. The steel mechanical part is made of the steel material. The preparation method includes: mixing alloy powder and a binder to prepare feed particles; performing injection molding on the feed particles to obtain an injection green billet of the steel mechanical part; performing debinding and sintering on the injection green billet in sequence to obtain a sintered blank; and performing heat treatment on the sintered blank to obtain the steel mechanical part.

Abstract: This application provides Fe—Mn—Al—C lightweight steel, including: Fe, wherein a weight percentage of the Fe is greater than or equal to 50.4 wt %; Mn, wherein a weight percentage of the Mn is 25-35 wt %; Al, wherein a weight percentage of the Al is 6-12 wt %; C, wherein a weight percentage of the C is 0.8-2.0 wt %; and O, wherein a weight percentage of the O is 0.005-0.6 wt %. This application further provides a terminal to which the Fe—Mn—Al—C lightweight steel is applied, a production method for the Fe—Mn—Al—C lightweight steel, a steel mechanical part, and an electronic device. The lightweight steel in this application has low density, high strength, and high elongation.

Abstract: A steel, a steel mechanical part, an electronic device, and a preparation method for a steel mechanical part are provided. The steel includes components of the following mass percentages: chromium: 7% to 11%, nickel: 2% to 7.5%, cobalt: 6% to 15%, molybdenum: 4% to 7%, oxygen: a trace to 0.4%, carbon: a trace to 0.35%, and iron: 50% to 80%. The steel provided in this application has relatively high mechanical strength and is not easily deformed, and therefore a risk of fracture caused when an electronic device using the steel falls off from a height is reduced.

Abstract: Embodiments of this application provide an electronic device, a rotating shaft, a laminated composite material, and a method for manufacturing a laminated composite material. The laminated composite material includes at least two material layers that are laminated, and the at least two material layers include a first material layer and a second material layer adjacent to each other. The first material layer uses a first metal material, yield strength of the first metal material is greater than 200 Mpa, and an elongation rate of the first metal material is greater than 6%. The second material layer uses a first composite material, and the first composite material includes a second metal material and diamond particles. In this way, heat conduction performance and heat dissipation performance of the rotating shaft are improved while fracture-resistant performance and wear-resistant performance of the rotating shaft are ensured, thereby improving user experience.