26results about How to "Good resonance effect" patented technology

The invention relates to the technical field of cable manufacturing, in particular to a superconducting coaxial cable for a quantum computer and a manufacturing method thereof, and the method comprises the steps: coating an inner conductor with an inner insulating layer to form an inner conductor layer, and electroplating a niobium compound coating on the inner wall of a stainless steel tube to form an outer conductor; forming a cable conductive layer; acquiring an advancing speed change curve of a single inner conductor layer; determining a first velocity mutation type and a second velocity mutation type; determining the vertical stirring speed of the electroplating stirring rod at the position of the outer conductor; electroplating the inner wall of the stainless steel pipe; according to the friction degree of the inner conductor layer and the outer conductor, determining an inner conductor motion adjusting mode, including adjusting the moving speed of the inner conductor layer in the outer conductor, or determining the initial rotating speed of the inner conductor layer when the outer conductor starts to pull a wire; and performing wire drawing on the sleeved outer conductor to form the cable. According to the invention, the stability of cable assembly is improved.

The invention relates to the technical field of photovoltaic cells, and provides a solar cell and a preparation method thereof, the solar cell comprises a silicon substrate and a transparent conductive film, the transparent conductive film is provided with a periodic nanostructure array, and the solar cell also comprises a metal electrode arranged on the surface of the transparent conductive film, the metal electrode is prepared by adopting copper electrode slurry and a laser process. The periodic nanostructure array modified layer is prepared on the conductive thin film, so that the surface area and the conductivity of the transparent conductive thin film can be increased, the absorption and reflection of the transparent conductive thin film to light are improved, and the efficiency of the solar cell is improved; and the binding force of the electrode can be increased, and the durability and the stability of the solar cell are improved. According to the preparation method of the solar cell provided by the invention, the position of the copper electrode can be precisely processed, the problem of precision of current silk-screen printing is solved, the damage to the amorphous silicon layer can be avoided, the prepared copper electrode has a relatively large height-width ratio, and the light conversion efficiency can be effectively improved.

The present invention relates to a resonance type organic compound and its application, belonging to the field of semiconductor technology. The present invention provides a compound having a structure as shown in the general formula (1): the compound of the present invention has a narrow half-peak width and a high fluorescence quantum yield. When used as a doping material in a light-emitting layer material of an OLED light-emitting device, the current efficiency of the device is significantly improved, and the luminous color purity and device life are also greatly improved.

The application belongs to the cross field of nanomaterials and coordination chemistry, and specifically discloses a near-infrared responsive photothermal silver-palladium nanocluster material, a preparation method and application in near-infrared photothermal conversion. 362 H 270 Ag 20 Cl4F 12 P8Pd5Sb2, which is abbreviated as Ag 20 Pd5(4‑EBP) 18 (DPPP)4(SbF6)2·2CH2Cl2, belongs to a monoclinic system, and a space group is P21 / n, a =16.228(13)Å, b =40.670(3)Å, c =25.941(2)Å, α=90°, β =100.283(2)°, gamma =90°, V=16846(2)Å 3 , and a molecular weight is 8170.22 Da. The preparation method has short process flow, simple operation, and raw materials are easy to obtain. The photothermal silver-palladium nanocluster has a high photothermal efficiency of 73.25% under 915 nm (0.6 W / cm 2 ) laser excitation, and has good application prospect.

The application belongs to the technical field of antennas and relates to a spin-controlled array antenna based on spin-orbital torque, which comprises input patches, a connecting structure, antenna units and a substrate; the input patches are two, one corresponding end of which is connected with an external input source to input an alternating current signal, and the other corresponding end of which is connected with the connecting structure; the connecting structure comprises a plurality of branches to respectively connect different antenna units; the antenna units are a plurality to form a spin-controlled array; the input patches, the connecting structure, the antenna units and the substrate adopt different materials to generate the transfer of spin-orbital torque between the connecting structure and the antenna units by using the ferromagnetic resonance principle, excite spin waves, and convert the spin waves into electromagnetic waves by the antenna units and radiate them out. The application can realize extreme miniaturization on the premise of maintaining the performance of the antenna.

The invention discloses a noise barrier plate, and relates to the technical field of road engineering. The noise barrier plate comprises a sound absorption layer and a sound insulation layer, the sound absorption layer comprises a first sound absorption layer and a second sound absorption layer, the first sound absorption layer is arranged on one side of the second sound absorption layer, and the porosity of the material of the first sound absorption layer is smaller than that of the material of the second sound absorption layer; the sound insulation layer is arranged on the side, away from the first sound absorption layer, of the second sound absorption layer, a plurality of through cavities are formed in the sound insulation layer in the first direction, the sound absorption layers can effectively absorb and absorb traffic noise, the sound insulation layer can block propagation of the noise, and due to the arrangement of the cavities, the cavity resonance effect can be improved, and the propagation of the noise can be blocked.

The present invention relates to a resonance type organic compound and application thereof, belonging to the field of semiconductor technology. The present invention provides a compound having a structure represented by general formula (1) and general formula (2). The compound of the present invention has a narrow half-peak width, a high fluorescence quantum yield, a high glass transition temperature and molecular thermal stability, and suitable HOMO and LUMO energy levels. When the compound is used as a doping material in a light-emitting layer material of an OLED light-emitting device, the current efficiency of the device is significantly improved, and the purity of the light-emitting color and the life of the device are also greatly improved.

The invention discloses a lens photovoltaic glass process for improving the power generation efficiency of a solar cell, and relates to the technical field of solar photovoltaics, and the method comprises the following components: S100, material selection and pretreatment, S200, nanostructure design and preparation, S300, micron lens array processing, S400, structure optimization and integration, and S500, performance test and verification. According to the method, the surface plasma resonance effect of the solar cell on light with a specific wavelength is effectively enhanced by accurately constructing a nanoscale patterned structure through a lens photovoltaic glass process and regulating and controlling the size, the shape and the distribution of nanoparticles, so that the light absorption capacity is remarkably improved, and further, the solar cell has a good application prospect. The uniformly distributed micron-sized lens array is processed on the nano-structure layer, the incident light is accurately converged to the effective light receiving area of the cell, the light capture efficiency and the photoelectric conversion efficiency are further improved, and the power generation efficiency of the solar cell is remarkably improved through the dual enhancement mechanism.

The application relates to the field of noise reduction technology and discloses a spiral acoustic black hole noise reduction module and a design method thereof, which comprises a shell layer, an acoustic black hole cavity and a neck pipe; the shell layer is used for wrapping the acoustic black hole cavity to form a closed space; the acoustic black hole cavity comprises an acoustic black hole cavity plate curved according to an Archimedes spiral line and a rib plate array; the neck pipe is arranged at the rotation center position of the spiral line track of the acoustic black hole cavity plate, and the neck pipe is a sound wave incidence pipe; the rib plate array comprises a plurality of rib plates arranged in an increasing or decreasing length; one end of each rib plate is fixed to the inner side of the acoustic black hole cavity plate, and the other end is a free end; the rib plates are arranged at equal arc lengths / distances, and the lengths are arranged in a monotonically decreasing or increasing rule to form an acoustic black hole structure. The application realizes the sound absorption effect of ultralow frequency with a small size, reaches a sound absorption peak under specific frequency, and enhances the sound absorption effect of the sound absorption device in a specific frequency band.

The invention discloses a sound column, which is applied to a musical instrument. The musical instrument comprises a box body, the box body comprises a panel and a back plate, the sound column comprises a column body and a top support part, the column body is arranged between the panel and the back plate; the top support part is arranged on the column body, and the top support part is retractable; wherein, the box body is provided with an adjustment hole, the adjustment hole is used to adjust the retraction of the top support part, and a tool is first inserted into the adjustment hole and then into a slot of a screw rod, and then the tool is rotated to make the screw rod rotate and move, thereby making the top support part extend or contract, so as to adjust the supporting strength of the sound column, avoid the panel and the back plate from being deformed to a certain extent along the supporting direction, so as to weaken the stress and cause the sound column to loosen or fall off, so as to solve the technical problems of inconvenience, time-consuming and labor-intensive in adjusting the sound column in the prior art. Compared with the prior art, the user can adjust the sound column by himself, and the sound column can be adjusted to be loose or tight, which is simple and convenient, and saves time and labor.

The invention provides a manufacturing method of a resonant cavity light-emitting diode, which comprises the following steps of: performing epitaxial manufacturing on a first type semiconductor layer in a window with a smaller area, so that the crystal quality is improved, and the reliability of a device is improved; an active layer, a second-type semiconductor layer and a first reflecting layer are sequentially manufactured in an epitaxial mode and inversely arranged on the bearing substrate, the area of the first-type semiconductor layer is gradually reduced in the direction away from the bearing substrate, a second reflecting layer is manufactured on the inclined wall of the first-type semiconductor layer, and the first reflecting layer and the second reflecting layer form a resonant cavity; light is reflected for multiple times in the resonant cavity, so that the light resonance effect is improved, the light has a narrower wavelength peak, and the spectral purity is improved; the upper surface, far away from the bearing substrate, of the first type semiconductor layer is a light outlet, the area of the light outlet is the smallest, and the directivity and collimation of light emitting can be improved.

The utility model discloses a fish scale human body vibration support protector which comprises a sheet body. One end of the fixing part is arranged on the sheet body, and the other end of the fixing part is selectively connected with the sheet body, so that an accommodating space is defined between the fixing part and the sheet body and is used for accommodating human body parts; the plurality of scales are sequentially arranged on one side, in contact with the accommodating space, of the sheet body at intervals in the direction from one end of the sheet body to the other end of the sheet body so as to selectively contact with the human body part, one end of each scale is arranged on the sheet body and selectively bends relative to the sheet body, and the other end of each scale is bent relative to the sheet body. And the scales are partially overlapped with the adjacent scales. By means of the design that the scales are alternately stacked and arranged, the resonance effect generated between the scales can be remarkably improved, the acting force borne by the wearing part of the human body can be effectively offset, the pressure borne by muscles, joints or bones is relieved, and the conditions of ligament strain, fracture or excessive cartilage abrasion and the like are avoided.

The invention provides a piano combined type saddle and a forming device and method, the piano combined type saddle comprises a first section of mid-high pitch saddle in a mid-high pitch area of the saddle, the tail end of the first section of mid-high pitch saddle is connected with a second section of arc-shaped bending section, and the other end of the second section of arc-shaped bending section is in transition connection with a third section of bass saddle in a bass area of the saddle; and two ends of the second arc-shaped bending section are respectively overlapped and bonded with a first section of mid-high pitch saddle in a mid-high pitch area and a third section of low pitch saddle in a low pitch area in a staggered manner, so that the whole set of saddle substrate can be bonded into a whole. The continuity, the stability and the continuity of the saddle are ensured, the resonance effect of the piano resonance disc is enhanced, and the sound quality of the piano is improved; and by adopting the structure, the saddle has greater advantages in selection of saddle materials, solid wood materials can be saved, and the utilization rate of the materials can be improved.

The utility model discloses a size changeable air intake pipe, including the air intake manifold for connecting engine, the air throttle valve for accurate control air intake and the pipeline main part for guiding and optimizing air intake airflow, for guiding and optimizing air intake airflow, air intake manifold and pipeline main part are connected respectively at air throttle valve's both sides, and pipeline main part is by interface section, connecting section and horn mouth section at least three section pipe body detachably connected composition, pipeline main part gradually increases along the direction of away from air throttle valve its pipe diameter. The utility model discloses size changeable air intake pipe, will air intake pipe design as multistage detachable modularization structure, need maintenance or refitting, and user only needs to simply unscrew each section pipe body, and the operation is extremely simple, and each section uses the screw thread cooperation and connects, spares the independent clamp, flange and multiple bolts, reduces the part quantity and material cost.

The invention discloses a fish scale human body vibration support protector which comprises a sheet body. One end of the fixing part is arranged on the sheet body, and the other end of the fixing part is selectively connected with the sheet body, so that an accommodating space is defined between the fixing part and the sheet body and is used for accommodating human body parts; the plurality of scales are sequentially arranged on one side, in contact with the accommodating space, of the sheet body at intervals in the direction from one end of the sheet body to the other end of the sheet body so as to selectively contact with the human body part, one end of each scale is arranged on the sheet body and selectively bends relative to the sheet body, and the other end of each scale is bent relative to the sheet body. And the scales are partially overlapped with the adjacent scales. By means of the design that the scales are alternately stacked and arranged, the resonance effect generated between the scales can be remarkably improved, the acting force borne by the wearing part of the human body can be effectively offset, the pressure borne by muscles, joints or bones is relieved, and the conditions of ligament strain, fracture or excessive cartilage abrasion and the like are avoided.

An embodiment of the present invention discloses an organic compound, a light-emitting element and a display panel. The organic compound has a structure as shown in general formula (1): General formula (1). The present invention uses an organic compound containing an amine group, in which the organic compound has both a heterocycle and an amine group, thereby enhancing the conjugation effect and resonance effect of the material used in the light-emitting element, improving the material performance, increasing the luminous efficiency of the light-emitting element and extending the luminous life of the light-emitting element.

The present invention relates to a boron-containing organic compound containing a diphenyl-substituted naphthoxypyrrole structure and an organic electroluminescent device thereof, belonging to the field of semiconductor technology. The present invention provides a compound having a structure as shown in general formula (1): the compound of the present invention has a narrow half-peak width and a high fluorescence quantum yield. When used as a green light doping material in a light-emitting layer of an organic electroluminescent device, the current efficiency of the device is significantly improved, and the luminescent color purity and device life are also greatly improved.

The present invention provides a double crystal stack welder, which comprises: a fixed part; a plurality of first piezoelectric ceramic sheets, which are stacked together; a metal alloy fixing block, which can generate double thrust resonance vibration for the plurality of first piezoelectric ceramic sheets and the plurality of second piezoelectric ceramic sheets at both ends of the metal alloy fixing block; a plurality of second piezoelectric ceramic sheets, which are stacked together; a cover body, which is arranged on the plurality of second piezoelectric ceramic sheets; a fixing part, which is used to penetrate the cover body, the plurality of second piezoelectric ceramic sheets, the metal alloy fixing block, the plurality of first piezoelectric ceramic sheets, the fixed part and the first hole part to combine; by means of alternating current passing through the plurality of first piezoelectric ceramic sheets and the second piezoelectric ceramic sheets and by means of the metal alloy fixing block, the device can achieve double thrust resonance vibration, thereby achieving the effect of generating ultrasonic frequency by double stacking.

The invention discloses a preparation method of an Au nanorod doped Bi4O5I2 nano photocatalyst, and relates to the technical field of photocatalysis, the preparation method comprises the following steps: S1, preparation of Au nanorod seeds; s2, preparation of an Au nanorod; s3, preparing a nitric acid aqueous solution, respectively dissolving Bi (NO3) 3.5 H2O and NaI in the nitric acid aqueous solution according to a specified proportion to form a solution A and a solution B, and then adding NaOH alkali liquor to obtain a white solution; s4, adding the amaranth Au nanorod and sodium dodecyl benzene sulfonate to obtain a mixed solution; and S5, transferring the mixed solution into a Teflon reaction kettle, preparing precipitate powder, putting the precipitate powder into a tubular furnace, and calcining to obtain the Au nanorod doped Bi4O5I2 nano photocatalyst. According to the Au nanorod doped Bi4O5I2 photocatalyst, the visible light absorption rate of the material is enhanced through the surface plasma resonance effect (SPR), and meanwhile, electrons are captured through a Schottky barrier between the Au nanorod and a Bi4O5I2 interface, so that recombination of photon-generated carriers is inhibited, and the photocatalytic activity is further improved.

The invention relates to the technical field of automobile part design, in particular to a design method of a noise reduction expansion type resonator of a power battery air cooling system. Comprising the steps of determining a target silencing frequency of a resonator; designing a resonator cavity structure based on the boundary of the automobile trunk; determining the mounting position and the mounting size of a resonator air inlet pipe and the initial mounting size of a resonator air outlet pipe based on the position and the size of an air outlet of the air blower; based on the installation position and size of the resonator air inlet pipe and according to the target silencing frequency of the resonator, simulation analysis is carried out to obtain the installation position of the resonator air outlet pipe; and determining the final mounting size of the resonator air outlet pipe based on simulation analysis. According to the design method for the noise-reduction expanded resonator of the power battery air cooling system, an appropriate resonator structure can be designed in a narrow space, the arrangement space can be fully utilized, the noise elimination amount is increased, the effective noise elimination frequency is expanded under the condition that a real object is not manufactured, and then the high-speed airflow noise of an air blower is improved to the maximum extent.

A single-row string tremolo konghou belongs to the technical field of plucked string instruments, and specifically relates to a single-row string tremolo konghou. The present invention provides a single-row string tremolo konghou with a tremolo function. The present invention comprises a bottom plate, a resonance box is arranged on the bottom plate, two ends of the resonance box are respectively connected to a column and a chord pin plate to form a konghou body, the upper end of the chord pin plate is connected to the upper end of the column, and strings are arranged between the chord pin plate and the resonance box, and the invention is characterized in that: a suspension auxiliary beam is arranged between the column and the chord pin plate, and a staggered string-cutting nail cooperating with the strings is arranged on the suspension auxiliary beam.

The utility model discloses a vibration transmission bridge for a saxophone, which is characterized in that a metal vibration transmission bridge is additionally arranged on the saxophone, the vibration transmission bridge is connected between a bent neck interface part of the saxophone and a saxophone whistle head and a saxophone whistle card, and the vibration of a whistle head is effectively transmitted to a saxophone body by utilizing a soft cork material which is better than that of metal conduction vibration; resonance of the pipe body is increased, and the situation that playing is strenuous is reduced. The musical instrument sounding response is more sensitive; the resonance effect of the musical instrument tube body is better, and playing is easier and more labor-saving; the resonance of the musical instrument is stronger, the produced sound is more magnetic, and the explosive power and the like are obviously improved.

The utility model discloses a kind of adjustable cat scratcher of high stability, including cat scratcher main body and support frame, cat scratcher main body includes surface layer, main plate and base;Surface layer is coated in the top of main plate, for cat scratcher;Base is equipped with mounting groove, the main plate coated by surface layer is embedded in mounting groove;Cat scratcher main body is detachably connected between support frame, cat scratcher main body is realized angle adjustment by support frame;Support frame bottom is equipped with at least a pair of fixed suction disc, and fixed suction disc is used for firm support frame.The utility model provides a kind of adjustable cat scratcher of high stability, cat scratcher is detachably mounted on support frame, the angle of support frame is adjustable within 0~90 degrees, can satisfy different use requirements;Support frame can be firm on ground by the fixed suction disc of bottom, so that cat scratcher has good stability and security.

The invention relates to the technical field of energy control, and discloses an infrasonic wave energy focusing and control device which comprises a fixing table, a mounting frame is arranged at the top of the fixing table, a fixing ring is arranged on one side of the fixing table, and a transmitting assembly is arranged at one end of the mounting frame; a resonance assembly is arranged at one end of the transmitting assembly; a conversion assembly is arranged on one side of the resonance assembly; the transmitting assembly is used for transmitting a corresponding waveform and adjusting a radiation mode; the resonance assembly is used for enhancing resonance of sound waves and reducing loss of sound wave energy in the transmission process. The conversion assembly is used for optimizing the nonlinear effect and conversion efficiency of sound waves. Compared with the prior art, the transmitting assembly transmits the infrasonic wave and adjusts the radiation mode of the infrasonic wave, the resonance assembly enhances the resonance effect of the sound wave, the conversion assembly beside the resonance assembly optimizes the nonlinear effect and the conversion efficiency of the sound wave, and the frequency of the sound wave is adjusted to the required infrasonic wave frequency. And the generation and control performance of the infrasonic waves is improved.

The invention relates to the technical field of anti-bird devices, in particular to a high-voltage wire net anti-bird device which comprises a base, the base is L-shaped, a front clamping plate is fixed to the upper end of a vertical plate of the base, a rear clamping plate is detachably connected and fixed to one side of the front clamping plate, and a plurality of mounting grooves are formed in the attached faces of the front clamping plate and the rear clamping plate. Long thorn rods and short thorn rods are installed in the installation grooves in a staggered mode, and the front clamping plate and the rear clamping plate are installed in a staggered mode in the length direction. The beneficial effects of the invention are that the device is made of an insulating material, is light in weight, is convenient to carry, is simple and convenient to install, is aging-resistant, is corrosion-resistant, is good in weathering resistance, and is long in service life; through the cooperation of the fixing protrusions and the connecting holes, the multiple anti-bird thorns can be installed in rows, the installation firmness is improved, and seamless occupied fixing is achieved; the long thorn rods and the short thorn rods are arranged in a staggered mode, the resonance effect is achieved through the toughness of glass fibers, and the anti-bird effect is good.

A two-tone beam guqin, comprising a resonance box, which is formed by splicing a panel and a bottom board, and is characterized in that: two upper tone beams are fixedly arranged in parallel on the inner wall of the panel; two lower tone beams are fixedly arranged in parallel on the inner wall of the bottom board; an upper "丰" (Feng) character-shaped groove is opened on the inner wall of the panel to form an upper "丰" (Feng) character-shaped sound tunnel; a lower "丰" (Feng) character-shaped groove is opened on the inner wall of the bottom board to form a lower "丰" (Feng) character-shaped sound tunnel; six transverse tone beams are fixedly arranged between the panel and the bottom board, three of which are arranged at the left half groove positions of the "丰" (Feng) character-shaped groove, and three of which are arranged at the right half groove positions of the "丰" (Feng) character-shaped groove. This solution breaks the shackles of the traditional design of the internal structure of the guqin resonance box in the past, boldly proposes a new improved design solution, and solves the problems that there is only string sound but no qin sound, poor resonance effect, insufficient penetration and small volume when playing the guqin in the past.