12results 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 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 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 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 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.

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.