9results about How to "Reduce energy transfer" patented technology

The application provides a rare earth flexible light-emitting film and a preparation method and application thereof. The application comprises 80-90% of a matrix and 10-20% of a rare earth light-emitting complex, the matrix is carrageenan hydrogel or D4 hydrogel, the rare earth light-emitting complex is a complex formed by complexing a diphenylformamid ligand and a beta-glucan ligand with a trivalent europium ion, and a structural formula is shown as formula (I). The application further provides a preparation method of the rare earth flexible light-emitting film, the rare earth light-emitting complex is added into a carrageenan hydrogel or D4 hydrogel solution, and stirring is performed until the rare earth light-emitting complex is uniformly obtained. 3+ In the application, the two ligands of the rare earth light-emitting complex are combined through hydroxyl groups, the hydroxyl groups in the matrix structure form Eu-O coordination bonds with Eu 3+ In the application, the two ligands of the rare earth light-emitting complex are combined through hydroxyl groups, the hydroxyl groups in the matrix structure form Eu-O coordination bonds with Eu The molecular combination force is strong, the structure is stable, the preparation method is simple, green and environment-friendly, industrialization is easy to realize, and the iron ion in water can be efficiently and sensitively identified and detected.

This invention discloses a split-type desuperheating and pressure reducing device, specifically relating to the technical field of desuperheating and pressure reducing equipment. It includes: a pipeline body, within which a pressure reducer and a desuperheater are respectively installed, and the pressure reducer and desuperheater are used to perform desuperheating and pressure reducing operations within the pipeline body; a desuperheating water nozzle is installed inside the desuperheater, and the desuperheating water nozzle is used to mix desuperheating water with steam for desuperheating; and a desuperheating component, used to divert steam outside the pressure reducer and keep the steam dispersed as it passes through the pressure reducer. This invention, through the setting of the desuperheating component, can divert steam entering near the pressure reducer one by one, which is beneficial for keeping the steam dispersed when entering the pressure reducer and for ensuring thorough mixing of the steam with the desuperheating water sprayed from the desuperheating water nozzle, thereby improving the atomization effect of the desuperheating water. This contributes to a more uniform and efficient desuperheating process, thus improving the device's desuperheating effect on steam.

The invention discloses a physical exercise barbell disc machining device, and particularly relates to the technical field of barbell disc machining, the physical exercise barbell disc machining device comprises a machine tool frame and a barbell disc body, the machine tool frame is provided with a cleaning device and a machining device, and the side, close to the cleaning device, of the machine tool frame is provided with a transferring device; the machining assembly comprises a mounting frame fixed to one side of the machine tool frame and used for storing the barbell disc bodies, a mounting plate fixed to the side, close to the transfer device, of the machine tool frame and a sliding plate slidably connected to one side of the mounting plate. Through the arrangement of the machining assembly, it is ensured that a barbell disc body can be stably and accurately placed in the transfer device by the machining assembly, workers are prevented from feeling tired easily in the carrying process, it is ensured that the feeding position and angle of the barbell disc body each time can be kept accurate, and the overall machining efficiency of the barbell disc body is improved.

The present invention discloses a seedling planting and digging device for artificial afforestation, which specifically relates to the technical field of tree planting, and comprises a frame and a digging drill bit, wherein a power box and a lifter are respectively mounted on the frame for controlling the digging drill bit to realize digging operations; the present invention also comprises a digging assembly for timely clearing away soil around the digging drill bit, wherein the digging assembly comprises a protective shell mounted in the frame and a concentric cavity provided on the protective shell for the digging drill bit to move, wherein a plurality of supports are mounted on the bottom end of the protective shell, and the plurality of supports are arranged in a ring array; the present invention can realize timely and effective clearing away of soil taken out by the digging drill bit through the arrangement of the digging assembly, thereby reducing the occurrence of soil accumulation, and does not require additional steps to handle the slipped soil, thereby improving the efficiency of the entire planting process, which is particularly obvious in afforestation, thereby improving the overall digging efficiency and improving the planting progress.

The present invention discloses a quenching device for producing high-chromium cast iron wear-resistant materials, and relates to the technical field of producing high-chromium cast iron wear-resistant materials. The present invention comprises a material-returning base, a waste material cavity is arranged on the top of the material-returning base, a quenching cavity is arranged on the top right end of the material-returning base, a lifting device is arranged on the top of the material-returning base, a material-pushing and rolling device is arranged on the top of the waste material cavity, an air-cooling device is arranged on the left side of the quenching cavity, and a protective wall-scraping device is arranged on the inner wall of the quenching cavity. The present invention arranges the lifting device so that the lifting box, hinged rod 1, slider, bracket and hinged rod 2 cooperate with the cleaning rod, so that after the high-chromium cast iron grinding balls are poured into the lifting box, the lifting box will drive the slider to buffer on the bracket through the hinged rod 1, reduce the pressure when the screw rod is in operation, and reduce the energy transfer when the grinding balls collide with the bottom, thereby protecting the quality and structure of the grinding balls and reducing the risk of damage.

The invention relates to an anisotropic flange for realizing energy wave division, the flange is used for connecting an engine and a motor of an aerospace craft, the flange comprises a connecting ring, the connecting ring comprises an outer connecting ring and an inner connecting ring, the outer connecting ring is configured to be connected with a shell of the engine, and the inner connecting ring is configured to be connected with the motor; the elastic wave regulation and control assembly array is arranged between the inner connecting ring and the outer connecting ring and comprises a plurality of elastic wave regulation and control assemblies which are sequentially connected end to end; wherein each elastic wave regulation and control assembly comprises multiple layers of microstructure assemblies which are sequentially arranged from an inner connecting ring to an outer connecting ring, and the multiple layers of microstructure assemblies are each provided with at least one microstructure unit; the microstructure units have anisotropic rigidity, so that the flange has anisotropic rigidity, and elastic waves generated by the motor are transmitted in the circumferential direction of the flange.

The application provides a substrate and a surface acoustic wave multiplexer, the substrate comprising at least one electromagnetic regulation structure; the electromagnetic regulation structure is configured to reduce the transmission energy of signals in the target frequency band on a parasitic coupling path when a surface acoustic wave multiplexer chip carried on the substrate is working; wherein the parasitic coupling path is formed between at least one transmitting port and at least one receiving port of the surface acoustic wave multiplexer chip. Based on the substrate provided by the embodiments of the application, the passband performance guarantee and the isolation suppression function of the surface acoustic wave multiplexer can be decoupled, allowing the signal leakage path of the target frequency band to be suppressed through the electromagnetic regulation structure of the substrate without changing the design of the surface acoustic wave multiplexer chip itself, thereby realizing flexible and effective improvement of the isolation of the surface acoustic wave multiplexer without affecting the core passband indicators of the surface acoustic wave multiplexer.

The application is suitable for the technical field of switching power converter, and provides a negative voltage charge pump circuit and a switching power converter. The negative voltage charge pump circuit adds a clock modulation module, a reference voltage generation module, a comparison module, a fourth driving module, a fifth power tube, a sixth power tube and a seventh power tube on the existing charge pump. When the negative voltage charge pump circuit enters a light load working condition, the large-size power tube and its driving module are closed, only the small-size power tube is kept working, and the small-size power tube automatically judges whether to work according to the absolute value of the output voltage, so that the working current of the negative voltage charge pump circuit is greatly reduced, and the conversion efficiency of the negative voltage charge pump circuit in the light load is improved. At the same time, the pulse width modulation processing is carried out by means of the narrow pulse modulation unit in the clock modulation module, the clock signal for driving the small-size power tube is optimized, and the circuit power consumption in the light load is further reduced.

The invention discloses a microbial slow-release purification device for water purification, and particularly relates to the technical field of purification devices.The microbial slow-release purification device comprises a purification part, a slow-release cylinder and a micro-capsule disc, the slow-release cylinder is used for keeping a proper environment in the micro-capsule disc, and a plurality of inlets and outlets for water to circulate are formed in the outer portion of the slow-release cylinder; the purification assembly is used for enabling water to flow into the slow-release cylinder in a split-flow mode and enabling the water flowing into the slow-release cylinder to be fully mixed and contacted with the micro-capsule disc, and the purification assembly comprises two water inlet cavities which are formed in the outer portion of the slow-release cylinder and communicate with the inner portion of the slow-release cylinder, a mounting frame fixed in the slow-release cylinder and a connecting disc rotationally connected into the mounting frame; through the arrangement of the purification assembly, a still water area does not exist between water flow and the device, rapid diffusion of the micro-capsule disc is facilitated, the situation that the local concentration is high and the concentration of other areas is low is avoided, full mixing of microorganisms and water is improved, and the water purification effect of the device is enhanced.