13results about How to "Diffused evenly" patented technology

The invention discloses a battery negative electrode material and a preparation method thereof, and relates to the technical field of batteries. The battery negative electrode material comprises an inner core, a titanium dioxide coating layer coated on the surface of the inner core, a lithium titanate coating layer coated on the surface of the titanium dioxide coating layer, a carbon coating layer coated on the surface of the lithium titanate coating layer and a polymer coating layer coated on the surface of the carbon coating layer, the inner core comprises a silicon-based negative electrode material; the polymer coating layer comprises at least one of polyaniline, polythiophene and polypyrrole. Under the action of the four coating layers, the integrity of the silicon-based negative electrode material can be kept, direct contact between the silicon-based negative electrode material and an electrolyte is avoided, side reactions are reduced, the capacity fading of the battery in the charge-discharge cycle process is reduced, and the rate capability and the cycle stability of the battery are improved.

The present application relates to the technical field of fermentation engineering, and discloses a method for preparing a deodorized fermented product in the production of goat milk powder, which comprises: adding whey protein microgel to goat milk liquid to obtain a mixed emulsion, adjusting the temperature, and adding a lactobacillus agent to obtain a fermentation substrate, and keeping the substrate in a state of substrate deprivation when the free lactose concentration decreases to a cutoff threshold; pumping sodium citrate into the fermentation substrate, controlling the pressure in the tank to be switched between a low pressure value and a high pressure value in a cyclic pulse mode, and introducing sterile nitrogen, implementing cold shock rapid cooling according to a viscosity adjustment period, cutting off the sugar source to release the metabolic repression of fatty acid degradation enzyme system, using an alternating pressure field to enhance the mass transfer rate of the substrate across the membrane, cooperating with complex buffering and oxygen control to maintain a high active bacteria rate, preventing autolysis of dead bacteria, and synergistically maintaining the stability of flavor and nutrient component structure.

The utility model discloses a kind of laundry machines of preventing laundry winding, including base, cup body being arranged on base and cover body being arranged on cup body, washing cavity is formed in the cup body, and washing unit is rotatably arranged in the washing cavity, and drive motor set is equipped in the base, and the drive motor set drives the rotation of the washing unit;The washing unit includes integrally formed washing disc and washing convex shaft, the washing convex shaft is constituted at the center position of washing disc, and a plurality of flow stirring units are arranged on the surface of the washing unit.The utility model effectively realizes the turning and stirring of clothes, reduces clothes winding, guarantees sufficient washing, and improves use experience.

The invention relates to a sandwich structure diaphragm coating material, a preparation method and application thereof and a lithium ion battery, and relates to the technical field of lithium ion batteries, the preparation method comprises the following steps: taking a bismuth-containing alloy as a raw material, and adopting a chemical dealloying method to prepare nano metal bismuth particles; and depositing carbon nanotubes on the nano metal bismuth particles by adopting a vapor deposition method, an atomic layer deposition method, a spray pyrolysis method or a thermal chemical vapor deposition method to obtain Bi (at) CNT, and the like. According to the invention, a chemical dealloying method, a vapor deposition method, a hydrothermal synthesis method and a self-assembly method are adopted to finally obtain the Bi (at) CNT-Al2O3 (at) PDA composite material similar to a sandwich structure. The material has important application potential in the lithium ion battery, can effectively inhibit the growth of lithium dendrites, and improves the performance and safety of the battery.

The present invention discloses an underwater long-distance gas-producing material dispersion device based on energetic materials, which relates to the field of ship protection technology and solves the problems of limited transportation distance, high cost and high possibility of underwater interference in existing material dispersion methods. The present invention includes a guide part, a delivery part and a power propulsion part, which are connected in sequence; a trigger is arranged in the guide part; energetic materials and a plurality of material delivery bombs are arranged inside the delivery part; gas-producing materials are arranged inside the material delivery bomb; the trigger is in contact with the high-energy material; a sonar detection system is arranged in the guide part, the sonar detection system is connected to the trigger, and the trigger detonates the surrounding energetic materials after receiving the signal from the sonar detection system. The present invention realizes underwater transportation by promoting and diffusing energetic materials, takes an autonomous underwater vehicle as the main body, takes long-distance dispersion as the goal, and takes the release of energy from energetic materials as the means of transportation, so as to achieve the goal of protecting marine structures.

The utility model relates to the technical field of bonding equipment provides a copper diffusion mechanism, including pressure mechanism and bearing cavity, the pressure plate of pressure mechanism sets up the top of bearing cavity, a plurality of pressure head posts of pressure plate sets up the lower part of pressure plate. Good contact is favorable to copper atom under the action of pressure more smoothly diffuses, improves the effect and consistency of diffusion.

The invention relates to the technical field of pistons, and provides a lightweight forged steel piston which comprises a piston head, a piston skirt and a piston pin seat, and is characterized in that a piston face window is formed in the piston skirt and provided with a fence type weight reduction cavity, and the fence type weight reduction cavity is located above a piston pin hole; the fence type weight reduction cavity penetrates through the piston skirt part in the direction of the piston pin hole; two sides of the piston pin hole are respectively provided with a main thrust side skirt wall and a secondary thrust side skirt wall, and the center of the piston pin hole is deviated towards the main thrust side skirt wall; the outer circle of a piston skirt part which is circumferentially connected with the piston outer pin seat and the piston face window is retracted inwards and is in smooth transition connection with the main thrust side skirt wall and the secondary thrust side skirt wall respectively; and the thickness of the main thrust side skirt wall is greater than that of the secondary thrust side skirt wall. According to the technical scheme, the weight of the piston is reduced, meanwhile, noise and vibration generated when the diesel engine works are reduced, meanwhile, the cooling effect is good, and movement of the piston in the air cylinder is more stable.

The invention relates to a construction method of zebra fish ferric trichloride epilepsy, and belongs to the technical field of medical molecular biology. The method comprises the following steps: preparing a microsyringe: drawing the tip of a glass microelectrode by using a needle drawing instrument, connecting the tip with a microsyringe by using a hot melt glue gun, and filling the syringe with a FeCl3 solution; the zebra fish is subjected to 0 DEG C ice-water bath and then lies on the back in the crack of the wet cotton pad; and intracerebral injection: injecting a FeCl3 solution into the left brain of the zebra fish through the skull base. Through the adjustment of a needle pulling instrument, an ultra-thin tip meeting experimental requirements can be produced, and the flow rate control of the solution in the injection process is ensured. The low-temperature anesthesia can reduce the metabolic level of the zebra fish, reduce the movement and physiological reactions of the zebra fish and improve the stability of experimental operation. Through precise intracerebral injection, it can be ensured that the FeCl3 solution only plays a role in a target area, interference on other brain areas of zebra fish is avoided to the maximum extent, and experiment controllability is ensured.

The invention discloses a broken roof caving area grouting and filling control system, which belongs to the field of grouting control systems and is characterized in that geological parameters of a caving area are accurately acquired through a monitoring module, and a control module constructs a three-dimensional model based on the parameters and calculates the volume required to be filled, so that the problem of large estimation deviation of the filling volume in the traditional technology is solved; the grouting material waste is reduced, the filling compactness is ensured, the fuzzy PID control algorithm is adopted for dynamically adjusting the grouting parameters, closed-loop control is achieved in combination with the real-time pressure and displacement data of the caving area, the problem of secondary caving or uneven material diffusion caused by fixed parameter grouting is avoided, the grouting precision is improved, the grouting effect evaluation unit is arranged in the grouting device, and the grouting effect evaluation effect is improved. The grouting effect is quantitatively evaluated through multi-dimensional data, whether secondary grout supplementing is needed or not is accurately judged, and it is ensured that the roof treatment effect is stable.

The utility model discloses a box-type matrix heating furnace structure, which relates to the technical field of heating equipment and comprises a heating furnace, and an equipment uniform heating mechanism is mounted in the heating furnace. According to the box-type matrix heating furnace structure, the equipment furnace is arranged at the top of the heating furnace, heat in the heating furnace is dissipated through the top groove and the bottom circular ring of the equipment furnace, the equipment furnace has a certain heat preservation effect, heat dissipation can be prevented, and clamping handles and clamping frames are arranged in the equipment furnace; the clamping frame clamps a part and is located over the bottom circular ring, when heat in the heating furnace flows into the equipment furnace, the part is machined through the upwards-flowing heat, and by means of the design, the heat generated by the heating furnace can be stored and recycled, the use space of the heating furnace can be enlarged, and therefore the heating furnace can be used more conveniently. And parts with different temperature requirements are heated.

The application discloses a water-absorbing core with double-gradient water-absorbing layers and a sanitary product. The water-absorbing core is provided with at least four layers of water-absorbing layers arranged in a stepped manner from top to bottom in the main body, and each water-absorbing layer is distributed with polymer water-absorbing resin; the cross-sectional area of each water-absorbing layer increases layer by layer from the uppermost layer to the lowermost layer; the distribution density of the polymer water-absorbing resin decreases layer by layer from the uppermost layer to the lowermost layer, forming a double-gradient structure of area and density. Preferably, each water-absorbing layer except the lowermost layer is elliptical, the lowermost layer is rectangular, and each layer is generally located at the same center. The layers are connected by hot-melt fibers or spraying latex. Through the double-gradient synergistic effect, the concentration of the polymer water-absorbing resin is smoothly transitioned from the center of the core to the periphery, effectively avoiding the problems of liquid diffusion obstruction and local supersaturation caused by the concentration mutation boundary in the existing two-layer structure, improving the overall utilization rate of the polymer water-absorbing resin, and improving the absorption and anti-back seepage performance under the condition of multiple liquid loading.