34results about How to "Strong tightness" patented technology

The invention provides an atomizer of an electronic cigarette. The atomizer comprises an oil storage cavity for storing tobacco tar and an atomizing assembly for atomizing the tobacco tar. The atomizing assembly comprises a porous body and a glass bonding layer laminated. A heating element is arranged on the surface, opposite to the porous body, of the glass bonding layer; the porous body is provided with a first surface opposite to the glass bonding layer and a second surface opposite to the first surface. The glass bonding layer is bonded to at least one part of the first surface. The secondsurface is configured as a tobacco tar absorption surface in contact with the tobacco tar. According to the atomizer of the electronic cigarette, the heating element is bonded to the porous body through the glass bonding layer, so that the bonding tightness is higher, and the stability and uniformity of resistor resistance value are guaranteed better.

The invention belongs to the technical field of batteries, and particularly discloses a preparation method for a coating film capable of enhancing the hardness and toughness of a soft package lithium battery. The preparation method comprises the following steps that 1 coating film solution preparing, wherein solvent is stirred at high speed, then a composition of alkyd resin, epoxy resin and polyether ether ketone is added, the mixture is stirred, then an antifoaming agent and a flatting agent are added, the solvent is continuously added to regulate the system viscosity, and the mixture is stirred for 10-30 min to obtain coating film solutions; 2 coating film preparing, wherein the coating film solutions obtained in the step 1 are evenly sprayed on the surface of the soft package lithium battery through a spray gun and stood at room temperature or baked at high temperature in a vacuum state and stood until the coating film solutions are dry, and then the coating film is formed on the surface of the soft package lithium battery. The preparation method is simple and stable in technology; the prepared coating film can effectively improve the hardness and toughness of the soft package lithium battery, has the excellent corrosion resistance and is good in water resistance and capable of preventing dampness, effectively protecting the soft package lithium batter and prolonging the service life of the soft package lithium battery.

The invention relates to an LED (light-emitting diode) packaging adhesive with high refraction index. A production method for the LED packaging adhesive comprises the following steps of: performing hydrolysis reaction on liquid A and liquid B to obtain hydrolysate and performing condensation under the catalysis of an alkaline catalyst to obtain a component A-based adhesive; performing hydrolysis reaction on liquid C and liquid D to obtain hydrolysate and performing condensation under the catalysis of an alkaline catalyst to obtain a component B-based adhesive; and mixing the component A-based adhesive and the component B-based adhesive to obtain the LED packaging adhesive. The LED packaging adhesive improves the plasticity of high-hardness vulcanization pieces, completely avoids lamp failure and yellowing phenomenon caused by the colloid, has high compactness and low air permeability of the molecular structure and has extremely high luminous flux.

The invention discloses a closing-up ribbon, a tightening device for tightening the closing-up ribbon and a ribbon kit with the tightening device. The closing-up ribbon comprises a ribbon body and a lock head, wherein the ribbon body is of a strip-shaped banded structure, and a clamping tooth area extending in the length direction of the ribbon body is arranged at one end of the ribbon body. The lock head is fixed to the end, away from the clamping tooth area, of the ribbon body. A lock buckle is arranged in the lock head, and according to the matching relation of the lock buckle and the clamping tooth area, the lock buckle can be in a locking or unlocking state. In the locking state, the clamping tooth area can pass through the lock head only in the single direction of the bundling port tightening direction, and in the unlocking state, the clamping tooth area can pass through the lock head in the two directions. The tightening device is used for applying force to the closing-up ribbonso that the ribbon can be pressurized and tightened. During usage, the closing-up ribbon is tightly bundled manually, then, the tightening device is used for pressurizing and tightening the closing-up ribbon, the closing-up ribbon can achieve the strong enough tight bundling degree, and the phenomenon that gaps exist in the bundling port position, and consequently dust leakage is caused can be avoided.

The invention discloses a cosmetic liquid stirrer. The cosmetic liquid stirrer comprises a stirring mechanism, a control box, a fixed column and a movable plate, the stirring mechanism is provided with a rotating shaft, a motor, a stirring barrel, an outflow pipe and a stirrer, the control box is controlled to enable the motor to rotate to drive the rotating shaft to rotate so that the stirrer rotates on the inner wall of the stirring barrel and sufficiently contacts with a cosmetic liquid, threaded strips are in threaded fit with the outer side of the rotating shaft, so that the tightness ofthe gap is higher, the problem that the cosmetic liquid splashes out of the gap is prevented, the beeswax solid precipitate enters an iron wire rod in a blocking mechanism under the action of rotatingforce, the dissolving speed is increased under the continuous impact force of a cosmetic liquid, and the cosmetic liquid flows out of a fixing ring and then enters a steel rod, so that the cosmetic liquid is shunted, the flowing direction is changed, the cosmetic liquid is prevented from being synchronous with the stirring direction, and the stirring degree of the cosmetic liquid is improved.

The invention discloses an unmanned aerial vehicle sound identification management and control method based on wireless ultraviolet light networking, and the method comprises the steps: collecting an unmanned aerial vehicle noise signal, and carrying out the preprocessing of the unmanned aerial vehicle noise signal; performing feature extraction on the processed unmanned aerial vehicle noise signal by adopting MFCC to obtain audio features, and establishing a voiceprint library; collecting a target noise signal in real time, and performing noise elimination on the target noise signal to obtain a sound source signal; performing time-frequency domain analysis on the sound source signal by using short-time Fourier transform, performing feature extraction by using MFCC, and matching the extracted features with audio features in a voiceprint library; and if it is determined that the target noise signal is the black flight unmanned aerial vehicle, real-time sound source positioning control is performed on the unmanned aerial vehicle. The method can effectively solve the problem of radio interference, can also solve the problem of limited detection of optical equipment, has the advantage of high confidentiality, and can accurately identify small aircrafts.

The invention discloses an inner barrel of a cement preheater. The inner barrel comprises a barrel body, wherein the inner wall of the barrel body is provided with a buffer layer; the inner wall of the buffer layer is provided with arc-shaped ceramic hanging pieces and a connecting block which is used for connecting the ceramic hanging pieces; the top ends of the ceramic hanging pieces are provided with two buckles which extend upwards; each buckle comprises a horizontal base plate; the two sides of each base plate are provided with an upper side wall and a lower side wall which extend upwards in upper and lower reverse directions; each upper side wall is provided with a first screw hole; the lower ends of the ceramic hanging pieces are provided with two blocking holes for allowing the buckles to block; the connecting block, corresponding to the two first screw holes, is provided with two second screw holes; when the two ceramic hanging pieces are assembled, the buckles are blocked into the blocking holes; gaps between the buckles and the front side walls of the ceramic hanging pieces can be matched for accommodating the connecting block; and the first screw holes and the second holes are aligned. According to the inner barrel of the cement preheater, seamless connection between the ceramic hanging pieces is achieved, tightness is strong, the barrel body is protected from corrosion in a facilitated mode, and the service life of the barrel body is prolonged.

The invention discloses a reinforced bamboo plywood. The reinforced bamboo plywood comprises a metal skeleton top plate, an upper high-strength bamboo plate, an upper high-strength colloidal plate, an upper solid board, a cotton core board, a cotton core board base, a lower solid board, a lower high-strength colloidal plate, a lower high-strength bamboo plate and a skeleton wear resisting baseplate; the upper high-strength bamboo plate is horizontally fixed on the upper high-strength colloidal plate; the upper high-strength colloidal plate is horizontally bonded on the upper solid board; the upper solid board and the cotton core board base are respectively fixed on the upper and lower sides of the cotton core board; the lower solid board is horizontally fixed below the cotton core board base; and the upper high-strength bamboo plate is horizontally fixed on the upper high-strength colloidal plate. The metal skeleton top plate is provided with a back metal skeleton top plate, a metal skeleton panel, a front metal skeleton top plate and a front metal skeleton thick plate; the matching of a machining structure of the reinforced bamboo plywood with the bamboo plywood is realized; the quality degree of the bamboo plywood is not influenced; the stability is high; the skeleton embedding degree is stable; the tightness is high; and the reinforcement is efficient.

The invention discloses a method for breeding multi-resistance, high-combining ability and excellent yellow modified lines by using a compound hybridization method, and relates to a breeding method of a new plant variety. The method provided by the invention comprises the following steps: Step 1: performing convergent hybridization on three parts of main yellow modified lines namely Chang 7-2, LX9801 and 5237 to obtain a base material, and performing five generations of bagging selfing to obtain an intermediate yellow modified corn material; Step 2, hybridizing a selfing line material agricultural line 178 of the PN78599 group with a material 478 of the REID group to obtain F1-generation seeds, and performing six-generation bagging selfing on the F1-generation seeds to obtain a selfing line material containing disease-resistant and lodging-resistant genes; and Step 3: hybridizing the intermediate yellow modified material and the selfing line material containing the PN78599 polyclonal resistance gene to obtain F1-generation hybrid seeds, and then performing seven-generation bagging selfing on the F1-generation hybrid seeds to obtain the hybrid seeds with outstanding disease resistance and extremely strong lodging resistance. According to the method for breeding multi-resistance, high-combining ability and excellent yellow modified lines by using the compound hybridization method, the problems of poor lodging resistance and low yield of the traditional yellow modified corn selfing line are solved.

The invention discloses a method for treating antibiotic wastewater by using a visible-light response semiconductor heterojunction hybrid photoelectrocatalysis material electrode, which is characterized in that the visible-light response semiconductor heterojunction hybrid photoelectrocatalysis material electrode is used as an anode to treat antibiotics in wastewater through photoelectrocatalysis reaction. Wherein the visible-light response semiconductor heterojunction hybrid photoelectric catalytic material electrode is obtained by taking a titanium dioxide electrode plate as an electrode substrate through electrochemical reduction self-doping, pulse deposition, metal organic framework (MOFs) self-assembly, engraving reduction and other processes. According to the method, the problem that the mass transfer rate between the MOFs and the substrate is blocked is solved, and the dispersity of the MOFs in the substrate is improved, so that the MOFs have the characteristics of good catalytic effect, high light utilization capacity and the like, and also have the advantages of high recycling speed, high practicability, no secondary pollution and the like; the method is a treatment method which can be widely adopted and can effectively remove antibiotics in the water body, and has very high use value and application prospect.

The invention relates to research on a high-yield corresponding cultivation technology of a new maize variety, which belongs to the field of crop cultivation. Breeding of the new maize variety can be said to be a successful profile which integrates high yield, stable yield, disease resistance, lodging resistance, density tolerance and eurytopicity into one whole body in the history of breeding in China and is completely suitable for the current requirements on the high-yield density-tolerance variety; moreover, the variety is particularly suitable for a maize monoseeding technology; and the maize monoseeding technology is a maize planting technology on the basis of good seeds, is seed-saving, time-saving, labor-saving and cost-saving, increases yield and is an effective approach of implementing the maize intensive planting.