688results about How to "Act as a barrier" patented technology

The invention relates to a lamination solar battery. The lamination solar battery is composed of an amorphous silicon film top battery, a perovskite middle battery and a nanocrystalline silicon bottom battery, or has a double-lamination structure taking an amorphous silicon film battery as a top battery and a perovskite battery as a bottom battery. The optical band gaps of three materials, i.e., amorphous silicon, perovskite and nanocrystalline silicon (crystalline silica) match well (1.75eV, 1.5eV and 1.12eV) so that light of different wavebands can be absorbed segment by segment. The amorphous silicon film top battery and the nanocrystalline silicon bottom battery (or the crystalline silica, nanocrystalline silicon germanium and amorphous silicon germanium) clamp the perovskite therebetween so as to protect the perovskite battery and reduce the influence exerted by atmosphere and water on the perovskite battery. At the same time, the amorphous silicon top battery can absorb ultraviolet light so as to protect a perovskite sub-battery. Besides, an amorphous silicon layer at the top has better UV and blue light response than the perovskite battery so that the defects of the perovskite middle battery are made up for.

The invention discloses a dimethylanthracene-containing compound and an application of the dimethylanthracene-containing compound on an organic electroluminescent device. A structural general formula of the organic compound is shown as a general formula (1). The compound has high glass transition temperature and molecular thermal stability, and appropriate HOMO and LUMO energy level and high Eg, by optimizing a device structure, the photoelectric property of the OLED device and the life of the OLED device are effectively increased.

In an electric power steering apparatus which includes a brushless motor composed of a cylindrical motor case with a bottom; a bracket for covering an opening of the motor case; an end housing for supporting a non-output-shaft side bearing located on one side; a bus bar housing in a ring shape for storing a plurality of bus bars; and a rotational angle sensor, and drives the brushless motor with a flow of current according to the detected steering torque, the end housing has a cylindrical section with a flange surrounding the end on one side and is inserted into the motor case from the opening until the flange comes into contact with the bottom of the motor case, the bus bar housing is placed to surround the outer circumferential surface of the cylindrical section of the end housing, and the rotational angle sensor is placed in the cylindrical section.

The invention discloses a compound taking a triarylamine structure as a core as well as a preparation method and application of the compound. The structure of the compound is shown as a general formula (1). The compound provided by the invention has relatively high glass transition temperature and molecular thermal stability, proper HOMO and LUMO energy levels and relatively high mobility, and caneffectively improve the photoelectric property of an OLED device and prolong the service life of the OLED device by optimizing the structure of the device.

The invention discloses an organic compound containing xanthene and an application thereof. A structural general formula of the organic compound is shown as a general formula (1). The vitrification temperature of the organic compound is high, the molecular thermal stability is strong, the organic compound has appropriate HOMO and LUMO energy level and high Eg, and the photoelectric property of an OLED device and life of the OLED device are effectively increased through optimization of a device structure.

The utility model relates to float glass, batch of the float glass and a production method of the float glass. The compositions of the float glass include silicate glass basic oxide, and 0.01 to 2 percent of lithium oxide by weight and rare earth oxide, wherein, the rare earth is at least three kinds of lanthanum, cerium, yttrium, praseodymium and neodymium, which is sourced from the gangue of the rare earth. The batch of the float glass is mixed by the silicate glass basic raw material and the additives, in weight percent, 87.02-106.0:0.02-4. The additives are the lithium carbonate Li2Co3 and the gangue of the rare earth, and the batch is made into the float glass through a float-glass melting kiln. For the lithium oxide and the rare earth are added, the present invention reduces the melting temperature of the glass, which can be applied to the production of the large-scale float glass while satisfying the electrics, the calorifics, and the stable chemical performance. The float glass concerned in the present invention is more applicable to producing the chemical toughened glass.

The invention relates to a periosteal repair sheet for guiding bone generation as well as a preparation method and an application of the periosteal repair sheet. The periosteal repair sheet is characterized by comprising a loose active layer high in porosity and a dense substrate layer low in porosity, wherein the loose active layer and the dense substrate layer comprise collage, polysaccharide substances and active factors; the loose active layer further comprises bone regeneration guiding active factors; and the periosteal repair sheet, when implanted into a body, can be degraded and absorbed. The repair sheet, which is of a dual-layer composite structure that the upper layer is loose and the lower layer is dense, is conducive to growth-in of cells and is capable of promoting repair speed of tissues; the dense layer is immunogen and the substrate layer has an isolating effect, so that the repaired effects can be effectively protected; and bone morphogenetic protein is added for periosteal injury and defect repair.

The invention discloses an organic compound with xanthene as a core and a use thereof. The organic compound has a general structural formula (1). The compound has a high glass transition temperature and molecular thermal stability, is suitable for HOMO and LUMO energy levels, has high Eg, and can effectively prolong the photoelectric performances of an OLED device and a service life of the OLED device through device structure optimization.

The present invention discloses a fragrance slow-release cooling unit, which comprises: a cooling unit main body (41) having a porous structure, wherein the surface and interior of which have a fragrance component; and an airflow channel (42) axially penetrates through the cooling unit main body (41). Due to the porous characteristic of the cooling unit body (41), the cooling unit body (41) can effectively adsorb spice, aroma components are promoted to be released through heat when smoke flows through the cooling unit body (41), and aroma losses caused when the temperature of the smoke is reduced by the cooling unit can be compensated. The invention further discloses a heating type aerosol generating appliance, an aerosol generating material unit (3), a cooling unit (4) and a filter tip unit (6) are positioned in an outer tube (1) and are sequentially arranged; and the cooling unit (4) can prevent the aerosol source material from falling into other units, is prepared from a porous inorganic material and a porous natural wood material, is non-toxic and harmless after being heated, and is high in safety.

The invention relates to the field of electrical design, and discloses a thermostatic silent cabinet, which comprises an internal rack, a main body frame and a shell, wherein the main body frame is arranged in the shell; the internal rack is arranged on the main body frame; an interlayer is arranged on each of the six surfaces of the shell; soundproof cotton is arranged in each interlayer; outlet holes are reserved on an upper top plate and a lower bottom plate of the shell; detachable sealing caps are arranged on the outlet holes; a ventilation air duct is also formed in the interlayer of the shell; an air inlet and an air outlet of the ventilation air duct are communicated with the interior of the internal rack and the outside of the shell; a plurality of diversion barriers are arranged in the shell, and are arranged between the air inlet and the air outlet respectively; and each diversion barrier is extended from an inner cavity of the shell, and is obliquely arranged along a direction from the air inlet to the air outlet. By using the technical scheme, equipment noise, electromagnetic radiation and external dust can be effectively blocked, and good ventilation and radiation effects are kept.

The invention discloses an organic compound containing spirofluorene dibenzocycloheptene and an application of the organic compound. The compound with spirofluorene dibenzocycloheptene as a core is connected with a nitrogen-containing branched chain through phenyl, biphenyl or naphthyl. The compound is not prone to crystallization, has good film-forming property and heat stability and has higher glass transition temperature and proper HOMO and LUMO energy levels; by means of optimization of device structure, photoelectric property of an OLED (organic light emission diode) device can be effectively improved, and the service life of the OLED device can be effectively prolonged, so that application requirements of a panel manufacturing enterprise can be met better.

The invention discloses an organic compound with xanthene and application thereof in OLED (organic LED) devices; the organic compound has a structural general formula shown as in formula (1). The organic compound provided herein has high vitrification temperature and high molecular thermal stability, has suitable HOMO and LUMO energy levels and high Eg, and by optimizing device structure, it is possible to effectively improve photoelectric properties of OLED devices and prolong the lives of the OLED devices.

The invention belongs to the technical field of livestock raising devices, and discloses a calf feeding device. The calf feeding device comprises a material storage chamber, a material feeding component and a material discharging component, wherein the material storage chamber, the material feeding component and the material discharging component are sequentially arranged from top to bottom, and a material outlet is formed in the bottom of one side wall of the material storage chamber. The material feeding component comprises a supporting column and a balance bar which is hinged to the supporting column, the balance bar comprises the quantifying end and the material feeding end, a quantifying block is arranged at the quantifying end, and a material feeding box is arranged at the lower material feeding end; the material discharging component comprises a material discharging barrel and a cone body which is located on the bottom of the material discharging barrel, a material blocking plate is arranged above the portion, in the material discharging barrel, of the cone body, the diameter of the material blocking plate is equal to that of the cross section of the material discharging barrel, the material blocking plate formed in the mode that a plurality of fan-shaped unit plates are spliced, and a reset elastic piece is arranged between the bottom of the material blocking plate and the side wall of the material discharging barrel; a plurality of material distributing troughs are formed in the bottom of the material discharging barrel and connected with the bottom of the cone body, and an automatic sucking device is arranged on the bottom of each material distributing trough. By means of the calf feeding device, the problem that in the prior art, after a calf is fed, feed remains in a feeding trough so that feed waste is caused is solved.

The invention relates to triarylamine organic compounds and application thereof, and belongs to the technical field of semiconductors. The structures of the triarylamine organic compounds are shown inthe formula (I); the triarylamine organic compounds have high hole transport capability, and at an appropriate HOMO energy level, the hole injection and transport properties are improved; at an appropriate LUMO energy level, an electron blocking effect is achieved, and the combination efficiency of excitons in a luminescent layer is improved; when the triarylamine organic compounds are used as luminescent functional layer materials of OLED luminescent devices, in combination with branched chains of the triarylamine organic compounds, the exciton utilization rate can be effectively increased,and the radiation efficiency can be effectively improved.

The invention discloses a making method of cyanate resin / carbon fiber composite material, which comprises the following steps: 1) heating and fusing cyanate resin to form transparent pattern under 80-100 deg.c; insulating 1-3h; adding 1-3% carbon nanometer pipe; insulating under 80-150 deg.c for 2-4h; cooling to indoor temperature; obtaining resin base; 2) adding acetone in the resin base with bulk rate at 1:0.8-1:1.2; allocating glue solution; immersing carbon fiber or carbon fiber cloth in the glue solution; drying; doing hot pressing to mould after the quantity of volatile substance is less than 1%; obtaining the product.

The invention relates to a pyrene-containing organic compound and application in OLED, and belongs to the technical field of semiconductors, wherein the structure of the compound is represented by a general formula (1). The compound provided by the invention has relatively strong hole transport capability, and the hole injection and transport performance is improved under a proper HOMO energy level; under the proper LUMO energy level, the electron blocking effect is achieved, and the recombination efficiency of excitons in the light-emitting layer is improved; and when the compound is used asa functional layer material of an OLED light-emitting device, exciton utilization rate and high fluorescence radiation efficiency can be effectively improved, efficiency roll-off under high current density is reduced, device voltage is reduced, current efficiency of the device is improved, and service life of the device is prolonged.

The invention discloses a method for preparing an RexCe1-xOy / M2Zr2O7 double-layer buffer layer by chemical solution deposition, which comprises the following steps: a. preparation of M2Zr2O7 film: dissolving M(NO3)3.6H2O and ZrO(NO3)3.2H2O in hydroxyethyl methyl ether according to the ion concentration M+3:Zr+4 ratio of 1:1, and adding an oxidized polyethylene 20000 synthetic colloid; applying the colloid onto an Ni-base alloy baseband, drying, and putting the Ni-base alloy baseband into a heat treatment furnace in an H2 / Ar reducing atmosphere to carry out phase decomposition; and b. preparation of RexCe1-xOy film: preparing a rare earth nitrate mixture according to the rare earth ion (Re):cerium ion (Ce) ratio of x:(1-x) (0<=x<=0.5), dissolving the mixture in a high-polymer organic solvent synthetic colloid, applying the colloid onto an M2Zr2O7 substrate, drying, putting the M2Zr2O7 substrate into an atmosphere sintering furnace, and carrying out phase decomposition in the H2 / Ar reducing atmosphere. The invention adopts the full-nitrate-system chemical solution deposition method to prepare the RexCe1-xOy / M2Zr2O7 double-layer buffer layer. Compared with the physical method, the preparation method disclosed by the invention is simple and easy to implement, has the advantages of low cost and no pollution, and can implement large-scale industrial production.

The invention relates to a cable material containing a supramolecular self-assembly flame retardant and a preparation method of the cable material, and belongs to the field of wire cable material manufacturing. The flame-retardant cable material is prepared from the following raw materials in parts by weight: 90-110 parts of polyvinyl chloride, 1-5 parts of a melamine phytic acid flame retardant,30-50 parts of a plasticizer, 1-3 parts of a lubricant, 28-48 parts of a stabilizing agent and 4-6 parts of an antioxidant. The cable material containing the supramolecular self-assembly flame retardant has excellent thermal stability and flame retardance, and meets the performance requirements of cables.

The invention provides a chip packaging structure and an assembling method thereof. The chip packaging structure comprises a metal cover plate, a metal ball, a metal connecting piece, a ceramic shell and a ceramic antenna, the metal cover plate is connected with the ceramic shell to form a closed cavity, the cavity is used for containing a chip, and the inner side wall of the ceramic shell is provided with a metal coating. The chip is welded on the inner bottom surface of the ceramic shell through the metal ball, and the metal connecting piece for connecting the metal ball and a ceramic antenna arranged on the outer bottom surface of the ceramic shell is embedded in the bottom of the ceramic shell. According to the invention, through the shielding effect of the metal cover plate and the metal coating, the chip can work normally in a strong electromagnetic interference environment, and through the arrangement of the ceramic shell and the ceramic antenna, the chip can carry out normal signal transmission in a high-temperature environment.

The invention discloses a burr removing device for photovoltaic panel machining. The burr removing device for photovoltaic panel machining comprises a workbench, supporting legs are fixedly installedon the two sides of the bottom of the workbench, a limiting rod is fixedly installed at the bottom of the workbench, a bearing plate is fixedly installed at the bottom of the right side of the limiting rod, the right side of the bearing plate is fixedly connected with the corresponding supporting leg, a rotating mechanism is arranged on the top of the bearing plate, and an installing plate is fixedly installed on the right side of the workbench. According to the burr removing device for photovoltaic panel machining, through cooperation of the workbench, the supporting legs, the limiting rod, the bearing plate, the rotating mechanism, the installing plate, a controller, a fixing device, a dust removing device, a first bearing, a positive and negative motor, a screw, a screw pipe, an electric telescopic rod, a grinding machine and an adsorber, the problems that the burr removing cost is high due to the fact that manual burr removing is low in efficiency, large in labor amount and poor ineffect, and generated dust and chips can damage bodies of operators and pollute the environment are solved.

The invention relates to an organic compound containing triarylamine and carbazole, and an application thereof, and belongs to the technical field of semiconductors. The structure of the compound is represented by general formula (I) shown in the description. The compound provided by the invention has a strong hole transport ability, so the hole injection and transport performances are improved atan appropriate HOMO level; and the organic compound also has an electron blocking at an appropriate LUMO level, so the recombination efficiency of excitons in a luminescent layer is improved.

The invention provides a preparation method of a double-layer nano composite film for guiding bone regeneration. The preparation method comprises the following steps: A) mixing a biocompatible organicpolymer with a nano material in an aqueous solution to obtain a nano composite solution; B) subjecting the nano composite solution to evaporation to obtain a dense nano composite film; and C) spraying the surface of the nano composite film with a layer of the nano composite solution, and performing low temperature treatment on the obtained product to obtain the double-layer nano composite film. In the application, a biomimetic structural film with good mechanical properties is prepared by using an evaporation self-assembly technique, then a loose porous layer is prepared on the surface of theprepared film by a frozen ice template method, and the multifunctional double-layer nano composite film with good mechanical properties, antibacterial activity, in-vitro degradability and cell adhesion for guiding the bone regeneration can be obtained.

The invention relates to a triarylamine organic compound and application thereof, and belongs to the technical field of semiconductors. The structure of the compound provided by the invention is shownas the general formula (I). The compound has strong hole transport capability, and the hole injection and transport performance is improved under an appropriate HOMO energy level; under an appropriate LUMO energy level, the compound plays an electron blocking role and improves the recombination efficiency of excitons in a light-emitting layer; when the compound is used as a light-emitting functional layer material of an OLED, the exciton utilization rate and the radiation efficiency can be effectively improved by matching with branched chains within the range of the invention.

The invention relates to organic compounds using homobenzenes as a core and application thereof in OLED (organic light-emitting diode) devices. The compounds have higher glass transition temperature, higher molecular heat stability, appropriate HOMO and LUMO energy levels and higher Eg. The device structure is optimized, thereby effectively enhancing the photoelectric properties of the OLED devices and prolonging the service life of the OLED devices.

The invention discloses an LED (Light Emitting Diode) chip. The LED chip comprises a PSS (Patterned Sapphire Substrate), a buffer layer, an N type semiconductor layer, a luminous layer, a P type semiconductor layer, a transparent conducting layer and a protection layer which are sequentially arranged along the axial direction. The invention also provides an LED chip manufacturing method. According to the LED chip, a groove which leads to the PSS is arranged between an N electrode and a P electrode of the chip, current insulating layers are formed between the N electrode and the P electrode due to the groove, and accordingly gathering of currents between the N electrode and the P electrode is blocked, the LED chip plays a role in blocking the currents, meanwhile the currents transversely expand to other areas, gathering of the currents is reduced, diffusion of the currents is uniform, the thermal stability of the LED chip is improved, and the service life of a device can be prolonged.

The invention relates to the technical field of massage appliances, in particular to a position-occupying-preventive massage chair which comprises a base, a massage chair body connected to the base, afood carrying frame hinged to the massage chair body and a position-occupying-preventive mechanism mounted on the massage chair body and used for driving the foot carrying frame to rotate. The massage seat body is provided with a control panel, a payment module and a massage cavity, a sensor for sensing whether there is an object in the massage cavity is arranged on the side wall of the massage cavity, and the massage chair body, the position-occupying-preventive mechanism, the sensor and the payment module are electrically connected with the control panel; during position occupying prevention, the position-occupying-preventive mechanism drives the foot carrying frame to rotate into the massage cavity. The massage chair is simple and compact in structure and has a function of preventing position occupying while an original massage function is maintained, the problem that massage chairs in existing public places are forcibly occupied frequently is solved, utilization rate of the massage chair is increased greatly, and convenience is brought to people needing massage to use.

The invention relates to a pyrene-containing organic compound and application thereof, and belongs to the technical field of semiconductors, wherein structure of the compound is represented by a general formula (1). The compound provided by the invention has relatively strong hole transport capability, and the hole injection and transport performance is improved under a proper HOMO energy level; under the proper LUMO energy level, the electron blocking effect is achieved, and the recombination efficiency of excitons in the light-emitting layer is improved; and when the compound is applied to an OLED device, high film layer stability can be kept through device structure optimization, the photoelectric property of the OLED device can be effectively improved, and the service life of the OLEDdevice can be effectively prolonged.

The invention discloses a power distribution cabinet with good dustproof and ventilation properties, which comprises a power distribution cabinet body, wherein the power distribution cabinet body comprises a top cover and a side plate and is characterized in that an air outlet is disposed in the surface of the top cover, an air outlet device is connected on the upper surface of the top cover by bolts, the air outlet is located inside the air outlet device, a plurality of air inlet troughs are disposed in the side plate, arc baffles are disposed on the outer sides of the multiple air inlet troughs, an air inlet device is connected to the inner side of the side plate by bolts, and the air inlet device is corresponding to the air inlet troughs. In the power distribution cabinet with the good dustproof and ventilation properties, the air inlet device and the air outlet device are disposed at different positions, so that convection can be formed inside the power distribution cabinet body and ventilation and heat dissipation effects are better. Cavities formed by the baffles can isolate the inside of the power distribution cabinet body from external air. Filtering holes in a filtering tube can filter large dust particles and filtration of a filter screen is then carried out, so filtering effects are better.

The invention discloses a compound with an aza-spirofluorene structure as a mother nucleus and an application of the compound on organic electroluminescent devices. According to the compound, the aza-spirofluorene structure is used as a nucleus, and the compound has the characteristics of difficult crystallization and difficult gathering among molecules and excellent film-forming property. When the compound is used as a luminescent layer material or an electron barrier layer material of an organic electroluminescent device, current efficiency of the device is greatly improved; and meanwhile, the service life of the device is remarkably improved.