切片机

Microwave ferrite material, preparation method and dielectric constant adjusting method

The invention discloses a microwave ferrite material, a preparation method and a dielectric constant adjusting method, and relates to the field of magnetic materials, the chemical formula of the microwave ferrite material is BiaY3-a-b-eCab + eZrbMncCrdHfeFe5-b-c-d-eO12, a is more than or equal to 1.25 and less than or equal to 1.5, b is more than or equal to 0.475 and less than or equal to 0.6, c is more than or equal to 0 and less than or equal to 0.1, d is more than or equal to 0 and less than or equal to 0.05, and e is more than or equal to 0 and less than or equal to 0.05. The microwave ferrite material has the characteristics of high dielectric constant, narrow ferromagnetic resonance line width and low dielectric loss.

Elastic fiber PBT resin preparation method and spinning PBT product

The invention relates to a preparation method of elastic fiber PBT (polybutylene terephthalate) resin and a spinning PBT product. The preparation method comprises the following steps: blending binary acid and dihydric alcohol into slurry; preparing an additive solution from an additive and dihydric alcohol; tetrabutyl titanate and dihydric alcohol are blended into a catalyst solution, a gas-phase product is extracted to a process tower, the dihydric alcohol flowing back to an esterification kettle from the process tower is mixed with the catalyst solution, the adding amount of an effective component Ti is 70-90 ppm, and the mixture is fed into the esterification kettle; feeding the prepared slurry, the additive solution and the catalyst solution into an esterification kettle of which the load is reduced to 60-90%, and esterifying to obtain an esterified substance; feeding the esterified product into a pre-polymerization kettle to prepare a pre-polycondensation product; the pre-polycondensation ...

FILTER, TRANSMITTER, RECEIVER, AND COMMUNICATION SYSTEM

The present application relates to the field of communications, and specifically relates to a filter, a transmitter, a receiver, and a communication system. The filter comprises a dielectric body and a metal layer; the dielectric body is provided with a plurality of resonant holes penetrating the dielectric body from the top surface to the bottom surface; the intersection of a first sub-hole and a second sub-hole of the resonant holes has a stepped surface; a first sub-metal layer of the metal layer is disposed on a hole wall of the second sub-hole, and a second sub-metal layer covers a portion of the stepped surface and is connected to the first sub-metal layer; a third sub-metal layer covers the remaining portion of the surface of the dielectric body, and the third sub-metal layer is provided with an open-circuit gap between the stepped surface and the second sub-metal layer; a communication groove is provided between at least two adjacent resonant holes, the bottom surface of the communication ...

Building curtain wall project comprehensive management information platform

The invention provides an integrated management information platform for a building curtain wall project. The integrated management information platform comprises a BIM database, an engineering building management module and a cost management module, the BIM database is used for constructing a building model, a curtain wall unit component model and a processing part model; the engineering building management module is used for generating material coding information of curtain wall installation materials and tracking processing, transportation and installation of the curtain wall installation materials according to the material coding information; and the cost management module is used for recording daily construction expenditure information of a curtain wall installation site, generating expenditure cost data according to the daily construction expenditure information, and determining cost deviation data and cost deviation reasons according to the expenditure cost data. Formwork and reference ...

Point cloud registration method based on SIFT feature extraction

The invention relates to the technical field of computer vision and three-dimensional reconstruction, in particular to a point cloud registration method based on SIFT feature extraction. The problems that a traditional ICP algorithm is low in calculation efficiency and precision and prone to noise interference are solved. According to the technical scheme, the method comprises the following steps: S1, storing a source point cloud P and a target point cloud Q by using a binary tree KD-tree structure with a topological relation; s2, extracting key point clouds of the source point cloud P and the target point cloud Q by using an SIFT algorithm; s3, calculating a normal vector of the key point cloud and a fast point feature histogram; s4, performing coarse registration based on an SAC-IA algorithm; and S5, performing fine registration based on an ICP algorithm. The beneficial effects of the invention are that the method greatly improves the registration precision and speed compared with a conventional ...

ELECTRONIC DEVICE AND MULTI-TOUCH METHOD, MULTI-TOUCH UNIT, AND MEMORY FOR SAME

Disclosed are a multi-touch method, an electronic device, and a multi-touch unit for the electronic device. The method comprises: when an electronic device senses touch operations performed on at least two touch devices, regarding touch trajectories on touch regions of the at least two touch devices as one set of touch operations and performing and displaying the set of touch operations (S60). The method can achieve joint operations across multiple touch devices.

绕线机

Building curtain wall profile processing device and method

The invention provides a building curtain wall profile processing device and method, and the device comprises an image collection module which is used for collecting a building curtain wall profile image on a conveying belt; the calculation module is in communication connection with the image acquisition module and is used for acquiring the building curtain wall profile image, identifying the building curtain wall profile image, determining the position of the corresponding building curtain wall profile and generating a corresponding control instruction based on the position of the building curtain wall profile; and the movement module is in communication connection with the calculation module and is used for clamping the building curtain wall profile based on the control instruction and moving the building curtain wall profile to a target position. The technical problems that in the prior art, a building curtain wall machining production line is low in intelligence and automation degree ...

Surgical system

The invention discloses a surgical operation system which is used for preparing a preset shape on a hip joint and comprises a cutting tool, a mechanical arm and a controller, and the cutting tool is used for cutting bone tissue; the mechanical arm is used for holding the cutting tool and controlling the pose of the cutting tool; the controller is used for enabling the mechanical arm to enter a traction mode when receiving the first signal and enabling the mechanical arm to enter a static mode when the first signal is not detected, the mechanical arm can move under the traction of external force in the traction mode, and the mechanical arm keeps the current pose of the cutting tool in the static mode; in the static mode, the controller is further used for controlling the mechanical arm to automatically adjust the cutting tool to the alignment pose associated with the target pose when receiving the second signal. By means of the surgical operation system, the preparation of the preset shape ...

Physiological detection system for adjusting target area of light sensor

A physiological detection system includes a light source module, a light sensor and a processor. The light source module is used for providing light for irradiating a skin area. The light sensor is used for detecting emergent light passing through the skin area according to at least one signal source parameter and outputting an image signal. And the processor is used for calculating the reliability according to the image signal and adjusting the at least one signal source parameter according to the reliability.

Method and device for optimizing equipment pipeline

The invention provides an equipment pipeline optimization method and device. The method comprises the steps of obtaining a fluid mechanics model of an equipment pipeline based on attribute parameters of the equipment pipeline; performing hydrodynamic numerical analysis on the equipment pipeline based on the hydrodynamic model to obtain physical parameter change information of feed liquid in the equipment pipeline; and based on the physical parameter change information, executing an optimization strategy corresponding to the equipment pipeline. According to the optimization method of the equipment pipeline disclosed by the invention, the pipeline design of the feed liquid can be optimized more reasonably, and the optimization efficiency and accuracy of the equipment pipeline are effectively improved, so that the organizational structure state of the feed liquid output by the pipeline can be better kept stable.

Dummy load circuit for improving output characteristics of switching power supply

The invention is applicable to the technical improvement field of switching power supplies, and provides a dummy load circuit for improving output characteristics of a switching power supply, which comprises a current sampling module, the sampling end of the current sampling module is connected with a dummy load body module, and the output end of the current sampling module is connected with the input end of a control module. The output end of the voltage feed-forward module and the output end of the current feed-forward module are respectively connected with the input end of the control module, the output end of the control module is connected with the input end of the dummy load body module, and the input end of the voltage feed-forward module and the input end of the dummy load body module are respectively connected with the output positive electrode of the switching power supply. The input end of the current feedforward module is connected with the output negative of the switching power ...

测定人体反应时的方法及其装置

... 本发明提供一种测定人体反应时的方法及其装置。该装置包括：外壳和设置其内的电路印制板，其特征是在外壳的面板上设有显示屏、查询键、开关、一个启动键、若干个信号灯和数量相同的反应键；启动键与各反应键之间距离相等；各信号灯与各反应键位置对应或者直接选用带灯的反应键。该装置可避免主观猜测产生的测量误差，获得受试者真实的反应时，可以同时记录下直接反应时和间接反应时，数字显示，直观准确，受试者可自行完成。该装置使得新的测定人体反应时的方法得以实现。 ...

Digital microdroplet PCR (polymerase chain reaction) detection method for porcine acute diarrhea syndrome coronavirus

The invention relates to the technical field of biological detection, in particular to a digital microdroplet PCR (polymerase chain reaction) detection method for porcine acute diarrhea syndrome coronavirus, and establishes a microdroplet type digital PCR detection method for SADS-CoV (swine acute diarrhea syndrome coronavirus), which is high in sensitivity, capable of performing absolute quantification on SADS-CoV copy concentration in an actual sample, strong in specificity and high in sensitivity. The invention provides a novel and reliable technical method for accurate detection of SADS-CoV infection at an early stage, differential diagnosis of other acute diarrhea syndrome viruses, research of animal epidemic disease transmission rules, epidemiological risk assessment and other systematic applications, and also lays a certain theoretical foundation for research of SADS-CoV development and formulation of SADS-CoV detection standards in the future.

Ice cream with ice skin and preparation process thereof

The invention discloses an ice cream with ice skin and a preparation process thereof, and the ice cream with the ice skin comprises an outer ice skin layer and an inner ice cream material, the ice cream material is mixed with nata de coco particles, and the mass ratio of the nata de coco particles in the ice cream is 3-5wt%; the head thickness of the ice skin layer is less than or equal to 6mm, and the middle thickness is 1-3mm; the thickness of the frost material is smaller than or equal to 22 mm. By optimizing the size of the ice skin layer and the size of the frost material, nata de coco particles added into the frost material can be uniformly dispersed in the ice cream under the condition that the taste requirement of the ice cream is met, moreover, the freezing time required at the temperature of-26 DEG C to-31 DEG C during the preparation of the ice cream is less than 10s, and the effect is remarkable.

Multi-target detection system and method for porcine respiratory tract RNA virus based on MALDI-TOF MS technology

The invention belongs to the technical field of biology, and particularly relates to a multi-target detection system and method for porcine respiratory tract RNA viruses based on an MALDI-TOF MS technology. The invention relates to MALDI-TOF MS (Matrix-Assisted Laser Desorption/Ionization Time of Flight Mass Spectrometry) technology-based multi-target detection primers and extension probes for porcine respiratory tract RNA (Ribonucleic Acid) viruses. The primers and the extension probes comprise a primer PRRSV and an extension probe UEP.PRRSV which are used for detecting porcine reproductive and respiratory syndrome viruses; the primer CSFV and the extension probe UEP.CSFV are used for detecting the hog cholera virus; the primer FMDV and the extension probe UEP.FMDV are used for detecting the foot and mouth disease virus; the universal primer SIV and the extension probe UEP.SIV are used for detecting the swine influenza virus; a primer SIV-H1 and an extension probe UEP.SIV-H1 are used for ...

Jelly ice cream and preparation method thereof

The invention relates to the field of food, in particular to jelly ice cream and a preparation method thereof. The raw materials of the jelly ice cream comprise a first milk-containing component; the first milk-containing component is milk and/or milk powder, and the content of the first milk-containing component in the raw materials is 11-15wt%; the raw materials also comprise Kappa type carrageenan, and the content of the Kappa type carrageenan in the raw materials is 1.2-1.5 wt% per thousand; the raw materials further comprise potassium salt, and the weight ratio of the kappa-type carrageenan to the potassium salt is (5-6): 1. The jelly ice cream disclosed by the invention has excellent jelly texture and taste, is low in gel temperature, meets the requirement on fluidity in the actual production process, and has great market competitiveness in actual application.

Sediment flow meter with telescopic insertion rod probe and use method of sediment flow meter

The invention relates to a sediment flow meter with a telescopic insertion rod probe and a use method thereof.According to the sediment flow meter with the telescopic insertion rod probe, a sliding shifting block in a sliding plate is shifted to move up and down in a sliding groove, an insertion rod is inserted into the ground, and when different monitoring depths are needed and the sliding shifting block cannot be pressed down by manpower, the sliding shifting block is shifted to move up and down in the sliding groove; the motor can be started to drive the screw rod to rotate, so that the insertion rod can continue to go deep downwards, and meanwhile, the stability of the whole device during sediment monitoring is further ensured.

Double-fermented tea base material, tea-flavored frozen drink and preparation method of double-fermented tea base material and tea-flavored frozen drink

The invention belongs to the technical field of frozen drinks, particularly relates to a double-fermented tea base material with rich flavor and a tea-flavored frozen drink, and further discloses a preparation method of the double-fermented tea base material and the tea-flavored frozen drink. According to the double-fermented tea base material disclosed by the invention, brewed tea soup is used as a tea-flavored base material, and the fermented tea base material with strong tea-flavored mouth feel is obtained through fermentation of selected strains and can be used for preparing fermented tea-flavored frozen drinks with strong flavor and mouth feel. The double-fermented tea-flavored frozen drink disclosed by the invention takes the double-fermented tea base material as a raw material, and has the advantages of rich flavor and fresh and cool taste.

CHANNEL INTERFERENCE AVOIDING CIRCUIT, METHOD AND DEVICE THEREOF

Disclosed in the present invention are a channel interference avoiding circuit, method and device thereof, the circuit comprising a Wireless Fidelity (WiFi) chip, and at least one first single-pole multi-throw switch. A movable end of the first single-pole multi-throw switch is connected to a signal transmission pin of the WiFi chip, and the first single-pole multi-throw switch comprises at least two fixed ends, a first fixed end of the at least two fixed ends is connected to a first signal transmission branch and a second fixed end of the at least two fixed ends is connected to a second signal transmission branch comprising a power attenuator, and an input end of the power attenuator is connected to the second fixed end of the first single-pole multi-throw switch. When determining that a first channel and a second channel interfere with each other, the WiFi chip controls the movable end of the first single-pole multi-throw switch to connect to the second fixed end of the first single-pole ...

Method for improving internal structure of heavy rail steel by adopting combined electromagnetic stirring

The invention discloses a method for improving the internal structure of heavy rail steel by adopting combined electromagnetic stirring, which comprises the following steps: 1) a square billet continuous casting machine adopts combined stirring of a crystallizer and a solidification tail end, and the electromagnetic stirring parameter of the crystallizer is 580A/1.8 Hz; (2) under the conditions that the section is 280 mm * 380 mm and the pulling speed and the superheat degree are the same, the current of a crystallizer is 580 A and 1.8 HZ, the tail end electromagnetic stirring current is 300 A to 450 A, and the frequency is 8 HZ; according to the method for improving the internal structure of the heavy rail steel through combined electromagnetic stirring, the combined electromagnetic stirring, namely, the crystallizer electromagnetic stirring and solidification tail end electromagnetic stirring technology, is adopted, and the tail end electromagnetic stirring current is optimized; the problems ...

Data analysis report generation method and device, equipment and storage medium

The invention discloses a data analysis report generation method, apparatus and device, and a storage medium. The generation method comprises the steps of obtaining hotel operation data and a presentation type of the hotel operation data; a template file is obtained and analyzed into a text markup language, and a template language file is obtained; updating the template language file according to the hotel operation data and the presentation type of the hotel operation data; and generating a data analysis report according to the updated template language file. According to the method, the template file is updated after the hotel operation data and the presentation type of the hotel operation data are acquired, and the data analysis report is directly generated, so that a large amount of time for acquiring data, splicing data and making the data analysis report is saved when a user makes the hotel operation report, the analysis result can be acquired more quickly, and the user experience ...

Ion implantation system

The invention discloses an ion implantation system which comprises a beam deceleration deflection energy filtering device, a first path selection diaphragm, a second path selection diaphragm and a silicon wafer scanning device which are located at the downstream of a beam uniformity adjusting device, the beam deceleration deflection energy filtering device is used for enabling the beam transmitted by the beam uniformity adjusting device to be transmitted along a straight line and pass through a first path selection diaphragm, and enabling the beam transmitted by the beam uniformity adjusting device to be deflected by a first angle and pass through a second path selection diaphragm; and the silicon wafer scanning device is used for supporting the silicon wafer, enabling the silicon wafer to move between the first injection plane and the second injection plane and switching between the first injection plane and the second injection plane. Through deflection and non-deflection of the beam, ...

Bolt hole bushing connecting structure of aluminum alloy wheel and disassembling and assembling tool of bushing

The invention discloses an aluminum alloy wheel bolt hole bush connecting structure and a bush disassembling and assembling tool, and relates to the field of aluminum alloy wheel assembly.The bush connecting structure comprises a bush, the bush comprises a hub connecting part and a bolt head adapting part, the hub connecting part is in a circular sleeve shape, and the outer surface of the hub connecting part is provided with connecting external threads; the exterior of the bolt head adapting part is in a circular truncated cone shape, and a bolt head matching hole is formed in the bolt head adapting part. The dismounting tool for the bushing comprises a wrench part, a connector, a transmission rod and a rotary expansion part. The bushings of the aluminum alloy wheel can be simply and quickly disassembled and assembled, bushings with different sizes and contact surfaces can be replaced for matching according to vehicle types, and the service life of the bushings is long; the dismounting ...

HANDSET DEVICE, HANDSET, AND METHOD FOR PROCESSING SIGNAL BY USING HANDSET DEVICE

Disclosed are a handset device, a handset, and a method for processing a signal by using a handset device. The handset device comprises: a first interface, a second interface, a switch, and an isolation unit. The isolation unit comprises a first isolation body and a second isolation body connected to the first isolation body in parallel. The first interface is connected to the second interface through the isolation unit. The first interface is configured to be connected to a ground network of a handset. The second interface is configured to be connected to a ground line of a mobile terminal where the handset is located. The first isolation body is configured to block a signal coupled to a frequency modulation range of the ground network. The second isolation body is configured to block a signal coupled to a cellular communication frequency range. The switch is configured to select to connect the first isolation body, the first interface, and the second interface, or select to connect the ...

CONNECTING ROD ASSEMBLY FOR SCREWDRIVER BIT, AND SLEEVE ASSEMBLY ADAPTED TO CONNECTING ROD

Disclosed are a connecting rod assembly (100) for a screwdriver bit, and a sleeve assembly adapted to a connecting rod. The connecting rod assembly comprises a connecting rod (11) and a sleeve assembly (12), the sleeve assembly being movably connected to the connecting rod. The sleeve assembly comprises a sleeve main body (121), a functional body (122) and a locking member (123), wherein the sleeve main body extends along the central axis (101), and is sleeved on one end of the connecting rod and forms one through hole (1211) enabling at least a part of a screwdriver bit to pass through; the functional body is connected to the sleeve main body; and the locking member is movably combined with the sleeve main body. The locking member at least has a locking position and an unlocking position relative to the sleeve main body, wherein when the locking member is located at the locking position, the sleeve assembly and the connecting rod constitute a non-removable connection when the sleeve assembly ...

Lifting self-locking type mold welding machine table

The invention discloses a lifting self-locking type mold welding machine table, which relates to the field of lifting machine tables and comprises a machine table top plate, a lifting mechanism, a stroke adjusting mechanism and a mold carrying plate, the lifting mechanism and the stroke adjusting mechanism are arranged in a hoisting mode through the machine table top plate. The stroke adjusting mechanism comprises a rotary adjusting screw rod, a rotary adjusting mechanism and a locking mechanism; the upper end of the rotary adjusting screw rod penetrates through the machine table top plate, and the lower end is provided with a stroke adjusting block; the rotary adjusting mechanism and the locking mechanism are sleeved with a rotary adjusting screw rod above the top plate of the machine table; a first gear ring and a second gear ring which are matched with each other are respectively arranged on the rotary adjusting mechanism and the locking mechanism; according to the welding machine table ...

Combined inhibitor for flotation separation of fluorite and calcite and use method of combined inhibitor

The invention discloses a combined inhibitor for flotation separation of fluorite and calcite and a use method of the combined inhibitor. The combined inhibitor is composed of the following components in percentage by weight: 75%-85% of sulfonated lignite, 5%-15% of 3, 4, 5-trihydroxybenzoic acid and 5%-15% of a dispersing agent. The combined inhibitor is applied to fluorite and calcite mineral flotation separation through the synergistic effect of reagents, can effectively inhibit calcite flotation, has no inhibition effect on fluorite flotation, and has the advantages of being high in grading efficiency, economical, environmentally friendly, convenient to operate, easy to treat beneficiation wastewater and the like.

DIELECTRIC FILTER, DUPLEXER, AND COMMUNICATION DEVICE

The embodiments of the present application relate to communication device components, and provide a dielectric filter, a duplexer, and a communication device, for use in solving the problems of difficulty in matching different filters and large layout space consumption due to the addition of a low pass filter cascaded with the dielectric filter. The dielectric filter comprises a dielectric body, and a broadband filter structure and a narrowband filter structure provided in the dielectric body. The broadband filter structure comprises a groove and at least one first resonator. The groove is provided in a first surface of the dielectric body and configured to adjust the frequency location of a passband of the broadband filter structure. The first resonator comprises a through hole and an open loop. The through hole penetrates the bottom of the groove and a second surface of the dielectric body. The open loop is located on the bottom surface of the groove and provided at the periphery of the ...

Car bumper support frame that sprays paint

... 本实用新型涉及一种汽修设备，具体涉及一种汽车保险杠喷漆支撑架，包括支撑框，所述的支撑框后侧安装有滚轮，支撑框的前侧设置有支撑杆，支撑杆上均包裹有橡胶层，在烘烤和喷漆等不同工序中方便移动，省时省力，支撑杆上包裹有橡胶层，橡胶层具有一定的弹性，能防止保险杠的碰损和变形。 ...

Garnet ferrite material with high dielectric constant and medium saturation magnetization and preparation method thereof

The invention discloses a garnet ferrite material with high dielectric constant and medium saturation magnetization and a preparation method thereof, and relates to a material technology. The chemical formula of the garnet ferrite material is BiaCabYcZrdVeFe5-d-e-deltaO12, 0 < = a < = 1.2, 0 < = b < = 1.46, 0.34 < = c < = 1.8, 0 < = d < = 0.45, 0 < = e < = 0.505, 0 < = delta0.3, and deltais iron deficiency. The dielectric constant of the garnet ferrite material is 23-25, the garnet ferrite material has medium saturation magnetization, ferromagnetic resonance line width can be as low as 30Oe, dielectric loss is as low as 2.0 * 10 <-4 >, Curie temperature reaches up to 205 DEG C, and other rare earth elements except yttrium are not used. The material not only can effectively reduce the size of a microwave ferrite device, but also can reduce the insertion loss of the device and increase the bandwidth of the device, and is low in cost.

Perfusion device

The invention relates to the technical field of food production, in particular to a filling device which comprises a main material pipe, a filling pipe and a filling pipe. The rotating pipe is arranged outside the main material pipe and can be driven by a first driving mechanism to rotate relative to the main material pipe, a discharging pipe is arranged on the inner side of the rotating pipe and located below the main material pipe, a discharging slit is formed in the pipe wall of the discharging pipe, and the discharging slit is located below the main material pipe. The discharging pipe and the discharging slits in the discharging pipe extend in the radial direction of the rotating pipe, and the rotating direction of the rotating pipe is that the side, without the discharging slits, of the rotating pipe is located on the front side of the side, with the discharging slits, of the rotating pipe. The auxiliary material feeding mechanism is communicated with the discharging pipe and is used ...

Tunnel excavation support trolley edge protection structure, protection assembly and construction method thereof

The invention discloses a tunnel excavation support trolley edge protection structure, a protection assembly and a construction method thereof, and belongs to the technical field of tunnel construction. The protection structure comprises two first connecting plates and a second connecting plate located between the two first connecting plates. The first connecting plate is provided with a notch which is integrally L-shaped, and the notch comprises a first guide groove and a second guide groove; the second connecting plate is provided with a notch corresponding to the first guide groove. When the guardrail is used, the bottom cross rod of the guardrail slides to the bottom of the first guide groove along the L-shaped notch, at the moment, the bottom cross rod of the guardrail is just clamped in the notch in the second connecting plate, and the guardrail can be vertically placed to achieve the protection function; when the guardrail is lifted upwards, the bottom cross rod moves to the first ...

TROCHOID-FEED-PATH-BASED SCRATCH TEST METHOD FOR HARD AND BRITTLE MATERIAL

Disclosed is a trochoid-feed-path-based scratch test method for a hard and brittle material. According to an experimental scheme, a trochoid scratch feed path line is self-designed. A horizontal setting range of experimental factors is estimated first by means of a variable cutting-depth trochoid-feed-path-based scratch test method for the hard and brittle material, and then a certain level of the factors to be tested is verified at a time by means of a constant cutting-depth trochoid-feed-path-based scratch test method for the hard and brittle material. The problems of limited scratch speed of the current single abrasive grain grinding technology, superposed surface and subsurface damage caused by repeated superposition of the paths in a high-speed scratch condition, high experimental costs of a double/multi-abrasive grain grinding technology and a low reuse ratio of a tool are solved. Under the premise of ensuring the experimental accuracy, various disadvantages of a conventional scratch ...

METHOD AND DEVICE FOR IMPLEMENTING PERSONAL CONFIGURATION OF KEYBOARD

A method and device for implementing personalized configuration of keyboard are disclosed. The keyboard of the device is composed of a touch key film under which a transparent lens is attached. The key assignment and position of each key on the keyboard are marked on a picture, and the picture is located under the transparent lens. The one-to-one mapping between the key assignment and its position is saved in the device. When a user replaces the keyboard picture with another new keyboard picture and the device receives a keyboard changing request, the device promotes the user to reconfigure the mapping between the key assignment and position of each key shown in the new keyboard picture by clicking the touch key film, and saves the mapping after the user accomplishes the configuration.

Preparation method of multi-carbon-based sodium benzohydroxamic acid collecting agent

The invention discloses a preparation method of a multi-carbon-group-benzohydroxamic acid sodium collecting agent. The preparation method comprises the following steps that firstly, raw materials are prepared; 2, dissolving the raw materials; 3, mixing the raw materials; step 4, preparing carbon-based sodium benzohydroxamic acid; in the first step, the alcohol is one or a combination of more of ethanol, propanol, butanol, pentanol and methyl isobutyl carbinol; in the first step, sodium hydroxide is sodium hydroxide powder; in the step 2, the reaction kettle is provided with a nitrogen temperature control device; alcohol and carbon disulfide are used as reaction basic raw materials, benzoic acid and hydroxylamine hydrochloride are added, the multi-carbon-base-benzohydroxamic acid sodium collecting agent is obtained through reaction in the alkaline environment, the multi-carbon-base-benzohydroxamic acid sodium collecting agent has the advantages of being simple in production process and high ...

Micro-energy grid coordination control method and system based on event triggering

The invention provides a micro-energy network coordination control method and system based on event triggering, and the method comprises the steps: constructing a micro-energy network, and constructing a micro-energy network coordination optimization model based on the micro-energy network: carrying out the modeling of a ground source heat pump and compressed air energy storage while considering the conventional multi-energy network equipment, integrating the ground source heat pump model and the compressed air energy storage model into an optimization target and a constraint condition of a coordination control strategy, and establishing a micro energy grid coordination optimization model comprising the ground source heat pump and the compressed air energy storage by taking the minimum operation cost as a target; on the basis of traditional multi-energy network equipment, modeling analysis is carried out on a ground source heat pump and compressed air energy storage, and an operation characteristic ...

DIELECTRIC DUPLEXER

A dielectric duplexer, which reduces the overall size of the duplexer and reduced production cost. The dielectric duplexer comprises: a dielectric body (200). The dielectric body (200) is provided thereon with an input and output structure (201), a tap (202), a first resonance structure (203) and a second resonance structure (204); the tap (202), the input and output structure (201), the first resonance structure (203) and the second resonance structure (204) are all cavities provided on the surfaces of the dielectric body (200), and the tap (202) and the input and output structure (201) are provided on different surfaces of the dielectric body (200); the tap (202) and the input and output structure (201) are located between the first resonance structure (203) and the second resonance structure (204); the first resonance structure (203) and the dielectric body (200) surrounding the first resonance structure (203) constitute a first resonator; the second resonance structure (204) and the ...

Pipeline type iron remover

The utility model discloses a pipeline type iron remover, and relates to the technical field of material screening equipment. The device comprises a box body and a cover plate, a feeding disc is arranged on the right side wall of the box body, a discharging disc is arranged on the left side wall of the box body, a clamping groove is formed in the front side wall of the box body, a controller is embedded in the clamping groove, a button is arranged on the controller, and a display is arranged on the controller above the button. By means of the hydraulic rod, the rotary connector, the adsorption disc and the nylon net, the iron remover solves the problems that an iron remover in the current stage is too slow in iron waste absorption speed during use, and the adsorption strength and efficiency can be improved only by increasing current. The problem that normal raw materials containing few iron substances in original materials are easily absorbed in the prior art is solved, and the iron remover ...

Signal amplification circuit for receiving end of capacitance isolator and capacitance isolator

The invention relates to a signal amplification circuit for a receiving end of a capacitance isolator and the capacitance isolator, the circuit comprises an input amplification circuit and an output amplification circuit, the input amplification circuit is connected with the receiving end of an isolation capacitor and is used for receiving a differential input signal, and the output amplification circuit comprises a bias self-adaptive module, a source electrode feedback module and an output end; one end of the bias adaptive module is connected with a power supply, the other end is connected with the output end, a DC bias point of an output signal is adjusted, and a current source load source electrode is connected to the output end to serve as output of the signal amplification circuit; the source feedback module comprises a feedback resistor and a feedback capacitor and is used for adjusting the low-frequency gain of the amplified signal in the output amplification circuit; and the output ...

HEALTH INFORMATION SYSTEM, METHOD AND CORRESPONDING APPARATUS, DEVICE AND REAGENT CARRIER

A health information system is disclosed, which includes: a health information acquiring module (101), for acquiring health information, and a storage control module (102), for locally or non-locally storing health information. A corresponding health information management method, and a communication apparatus comprising the health information system, a drug infusion apparatus, a testing device and its corollary reagent carrier are also disclosed. The present application enhances the digitalization, standardization and automatic acquisition of the health information, so as to help the user to analyze a patient's disease conveniently, quickly and accurately.

Car roof inside gadget

... 本实用新型涉及以一种汽车顶棚内饰件，包括安装在汽车顶内壁的顶棚本体，所述的顶棚本体内侧固定安装有支架，支架与汽车顶之间设置有空腔仓，在使用时，利用空腔仓阻隔外部的热量进入车内，另外利用支架增强汽车顶棚的兼顾程度，保证顶棚不会因为天气的变化或者人为因素或者长时间使用导致的变形，起到了很好的隔音、隔热、降噪的效果，并设置支架包裹卡件和支架安装槽配合使用，保证支架与顶棚本体的紧密贴合，增强产品的稳定性。 ...

Solar landscape lamp with rescue facility

The invention provides a solar landscape lamp with a rescue facility. The solar landscape lamp is a multifunctional solar landscape lamp mainly used in a highway service area and along a highway or other landscape areas. The solar landscape lamp aims to solve the problems that when an existing solar landscape lamp is used, various rescue facilities are stored, when dangerous accidents happen to personnel in a highway service area, a warning lamp flickers at a high position for warning, watching is visual, workers and medical staff in the highway service area can rescue the personnel as soon as possible, and the service life of the personnel is prolonged. The searching time is shortened, and great help is provided for rescue work. Meanwhile, birds falling on the solar landscape lamp are repelled through the light reflecting part, the problem that the birds nest is reduced, and the problem that when an existing solar landscape lamp is used, the birds fall on a solar panel of the landscape ...

Leader peptide-free bacteriocin subticin A1 for resisting various food-borne pathogenic bacteria and application

The invention discloses a leader peptide-free bacteriocin subticin A1 capable of resisting various food-borne pathogenic bacteria and application of the leader peptide-free bacteriocin A1, and belongs to the field of medicine and food application. The amino acid sequence of the subticin A1 without the leader peptide is MIAFLRIVAQLGARAARWAWANKDRVLGWIRDGMAIDWINKINDMVS, the first amino acid in the amino acid sequence is formyl methionine, the second amino acid in the amino acid sequence is amino acid, the third amino acid in the amino acid sequence is amino acid, and the fourth amino acid in the amino acid sequence is amino acid. The bacteriocin subticin A1 is obtained through a fermentation product of bacillus subtilis, or is obtained through a chemical synthesis mode. Experiments prove that the bacteriocin subticin A1 is high in pH stability, safe and low in toxicity, can efficiently kill various food-borne pathogenic microorganisms such as clostridium botulinum and bacillus cereus, and ...

High-speed machine output end housing pumping pressure tool and method

The invention relates to a high-speed machine output end housing pumping pressure tool and method. A high-speed machine output end housing cavity channel is divided into a cavity channel water inlet hole, a cavity channel water outlet hole and a cavity channel water permeable hole according to a liquid flow direction decomposition area; the pump pressure tool is composed of a cavity channel water inlet hole plugging tool, a cavity channel water outlet hole plugging tool and a cavity channel water permeable hole plugging tool. The cavity channel water inlet hole plugging tool is an O-shaped blank cap, and a square cover plate for preventing escape under pressure is arranged on the O-shaped blank cap; the cavity channel water outlet hole plugging tool is a special-shaped sealing plate, and the special-shaped sealing plate is provided with a bolt and a nut which are in fastening fit with the output end housing. The cavity permeable hole plugging tool is a pair of circular sealing plates, and ...

Surgical system

The invention discloses a surgical operation system which is used for installing an acetabular prosthesis on a hip joint and comprises a sliding rod, a mechanical arm and a controller, and the sliding rod is used for carrying the acetabular prosthesis; the mechanical arm is used for holding the sliding rod which can linearly slide relative to the tail end of the mechanical arm. The controller is used for generating a control signal allowing the mechanical arm to move under the traction of external force when receiving the first signal; when the first control signal is not detected, a control signal for locking the position of the mechanical arm is generated; and when the mechanical arm is locked, the controller is further used for generating a control signal for controlling the mechanical arm to adjust the acetabular prosthesis to the alignment pose associated with the target pose when the second signal is received. By means of the surgical operation system, the acetabular prosthesis can ...

SPIRAL LED FILAMENT AND LIGHT BULB USING SPIRAL LED FILAMENT

A spiral LED filament (22) comprises a substrate (2). The substrate (2) is provided with at least one set of LED chips (5) connected in series or in parallel. A dielectric layer (3) having a protection or light emission function is coated on surfaces of the substrate (2) and the LED chips (5). Electrodes of the LED chips (5) are led out by electrode outlets (1) at two ends of the substrate (2). The substrate (2) is shaped into a three-dimensional spiral structure. The substrate (2) is a cone spiral body or an equal-circle spiral body. A light bulb using the spiral type LED filament (22) comprises a transparent bulb shell (21). A stem of a stem-carrying support rod (23), an electrical outlet (24), and a stem vent tube (26) is disposed in the transparent bulb shell (21). At least one spiral type LED filament (22) is fixed on the stem. The electrode outlets (1) of the spiral type LED filament (22) are connected to an electrical connector (30) via a driver (29). The transparent bulb shell ( ...

Preparation method of carbon microspheres and application of carbon microspheres as lithium ion battery electrode material

The invention provides a method for preparing mesocarbon microbeads in an inorganic system by using molten salt by utilizing a good dispersion effect of the molten salt on asphalt, naphthalene and other polycyclic aromatic hydrocarbons by utilizing a method which is different from a traditional thermal polycondensation method, an emulsification method and a suspension method for preparing mesocarbon microbeads in an organic system. The carbon microspheres prepared by the method can be separated from a polymerization system through simple water washing and acid pickling, and the selection range of raw materials is wide. The prepared carbon microspheres have a typical mesophase structure and regular morphology, and the diameter of the carbon microspheres is 1-10 [mu] m. After high-temperature carbonization, the material shows high reversible capacity when being applied to a lithium ion battery negative electrode material, and shows the discharge specific capacity of 250-350 mA under the current ...

DIELECTRIC RESONATOR AND FILTER

Provided is a dielectric resonator, comprising a main body and a surrounding wall. The surrounding wall is arranged on a surface of the main body in a protruding manner. The surrounding wall surrounds the surface of the main body to form a cavity region. The surrounding wall enables the cavity region to be isolated from an external space of the surrounding wall. The surrounding wall comprises a top face, an inner side face and an external side face. The inner side face and the external side face are oppositely arranged and are both connected between the top face and the main body. The top face is located on a surface, away from the main body, of the surrounding wall. The inner side face is a surface, facing the cavity region, of the surrounding wall. The external side face faces the external space of the surrounding wall. The top face is covered with a metal layer; and the inner side face and/or the external side face are/is also covered with the metal layer. Also provided is a filter.

DIELECTRIC RESONATOR, DIELECTRIC FILTER AND COMMUNICATION DEVICE

Provided is a dielectric resonator, comprising a dielectric body formed from a dielectric and a conductive layer covering the dielectric body; the dielectric body comprises a first blind hole extending from the conductive layer to the interior of the dielectric body and being used to change the resonance frequency of the dielectric resonator, the inner wall of the first blind hole being a dielectric. The present invention achieves regulation of the frequency of a dielectric resonator by providing a first blind hole in a dielectric body and changing the cross sectional area and depth of the first blind hole. Also provided are a dielectric filter and communication device.

Feed liquid temperature adjusting device and ice cream production line

The invention relates to the technical field of ice cream production, in particular to a feed liquid temperature adjusting device and an ice cream production line, the feed liquid temperature adjusting device comprises a temperature adjusting cylinder, the temperature adjusting cylinder comprises an inner cylinder wall, an outer cylinder wall, a first end plate and a second end plate, the first end plate and the second end plate are connected to the two ends of the inner cylinder wall and the two ends of the outer cylinder wall, and a feed liquid channel is formed in the inner side of the inner cylinder wall; the first end plate is provided with a feed liquid inlet communicated with the feed liquid channel, the second end plate is provided with a feed liquid outlet communicated with the feed liquid channel, the feed liquid inlet is suitable for being connected with a discharge port of congelation equipment, and the feed liquid outlet is suitable for being connected with a feed port of filling ...

Similar entity searching method and device, computer equipment and readable storage medium

The invention provides a similar entity searching method and device, computer equipment and a readable storage medium. The method comprises the steps that a behavior path set is extracted from acquired graph data; extracting a target behavior path associated with the to-be-searched entity from the behavior path set; the entity to be searched is a behavior association object, a behavior or is composed of at least one behavior association object and at least one behavior; according to the target behavior path, generating a behavior feature vector of the to-be-searched entity; and based on the behavior feature vector, determining a target entity in an entity database, wherein the similarity between the target entity and the to-be-searched entity meets a preset condition. According to the scheme, the to-be-searched entity can be a behavior association object, a behavior or is composed of at least one behavior association object and at least one behavior, namely a sub-graph or a whole graph, ...

Large disc filter applied to tailing dehydration

The invention discloses a large disc filter applied to tailing dehydration. The large disc filter comprises a tank body, a central shaft, a filter disc assembly, a driving device, an end part matching head, an air blowing device, a liquid level detection device, a cleaning device and a scraper device, the central shaft is arranged in the middle of the tank body, the filter disc assemblies are respectively arranged on lantern rings of the central shaft, and the driving device drives the central shaft to rotate, so that the filter disc assemblies rotate in the tank body; the end matching heads are connected with the end matching pads at the two ends of the center shaft respectively, the air blowing device is connected with air blowing openings of the end matching heads, the liquid level detection device is installed on a pedal of the groove body, the cleaning device is arranged on the outer side of a rack of the groove body, and the scraper device is arranged on the side wall of a discharging ...

Application of glycosylated BSA (Bovine Serum Albumin) in constructing mouse food allergy model

The invention discloses an application of glycosylated BSA (Bovine Serum Albumin) in constructing a mouse food allergy model, which is characterized in that a mouse is subjected to sensitization treatment by adopting a sensitization source ovalbumin OVA and an immunologic adjuvant glycosylated BSA, and the mouse is subjected to excitation treatment by adopting the ovalbumin OVA, so that the mouse food allergy model is constructed. Glycosylated BSA is used as an immunologic adjuvant and has the advantages of being simple in self-making, low in price, harmless and the like, and an allergy model constructed by using the glycosylated BSA as the immunologic adjuvant has a relatively high allergy symptom score, serum OVA-specific IgE with a relatively high level and a mesenteric lymph node Th2 subgroup with a relatively high proportion, so that mice show relatively remarkable food allergy symptoms.

WIRELESS LOCAL AREA NETWORK SWITCHING METHOD AND SYSTEM

A wireless local area network switching method and system are disclosed in the present invention. The method includes that: a wireless communication terminal obtains status information and reports the status information to an access point; the access point pre-estimates switching residual time according to the status information reported by the wireless communication terminal, and notifies an adjacent access point in the direction of movement to prepare switching when the pre-estimated switching residual time is less than or equal to a predetermined notification time threshold. The wireless local area network switching method and system of the present invention can reduce a switching time delay effectively.

Dielectric filter, transceiver and base station

The invention provides a dielectric filter, a transceiver and a base station, which can solve the problems of single row cavity layout and poor out-of-band rejection capability of the dielectric filter, thereby realizing flexible row cavity layout and improving the rejection capability of the dielectric filter. The dielectric filter comprises a dielectric body, an input port, an output port, built-in dielectric resonators and external dielectric resonators, the input port, the output port, the built-in dielectric resonators and the external dielectric resonators are arranged on the dielectric body, the multiple built-in dielectric resonators are arranged between the input port and the output port, and the multiple built-in dielectric resonators form a coupling main channel cascade resonator. One side of the input port is provided with two external dielectric resonators, and the coupling amount between the external dielectric resonators and the input port is greater than the coupling amount ...

INPUT-OUTPUT DEVICE FOR MULTIPLEXER AND MULTIPLEXER

Disclosed is an input-output device for a multiplexer, comprising: a main tap and at least two paths of branch taps under the main tap, wherein each path of branch tap in the at least two paths of branch taps is respectively used to be coupled to different resonant cavities in a multiplexer; the at least two paths of branch taps comprise a first path of branch tap and a second path of branch tap; coupling polarities of the first path of branch tap and the second path of branch tap are opposite; and a coupling calculation frequency of the second path of branch tap is closest to a coupling calculation frequency of the first path of branch tap. The input-output device for a multiplexer provided in the embodiments of the present invention enables two channels with the closest frequencies to adopt different coupling polarities, and due to the different coupling polarities, signals necessarily cannot interfere with one another, thereby theoretically eliminating signal interference between various ...

METHOD, NETWORK DEVICE AND SYSTEM FOR DETECTING ADDRESS CONFLICT IN NETWORK

Provided are a method, network device and system for detecting an address conflict in a network. The network comprises a first network device and a second network device which belong to one and the same VRRP6 backup set. A virtual IPv6 address of the VRRP6 backup set is the same as the IPv6 address of an interface of the first network device. The method comprises: the first network device sends an NS message to the second network device, when a first target IPv6 address contained in the NS message is the IPv6 address of the interface, the NS message further contains a first identifier, and when the second network device detects that the NS message contains the first identifier, it detects whether the IPv6 address of the interface of the second network device is in conflict with the first target IPv6 address, but it does not detect whether the virtual IPv6 address saved by the second network device is in conflict with the first target IPv6 address. The solution provided in the embodiments ...

CONTROL METHOD AND DEVICE FOR AUTOMATICALLY CALIBRATING ROTATIONAL SPEED OF DIGGER

A control method for automatically calibrating the rotational speed of a digger, comprising: firstly acquiring the rotational speed of the engine (S201); and then adjusting each of the gear steps according to the rotational speed of the engine (S202). Adjusting each of the gear steps (S202) comprises the following steps: selecting a target rotational speed of the target adjusted gear step and an initial value of the throttle position (S211); adjusting the throttle motor, until the difference between the rotational speed of the engine and the target rotational speed value is less than a predetermined value (S212); acquiring a voltage value at the current position of the throttle motor, and storing it at a target address corresponding to the voltage data item of the target throttle position of each gear step; and if the last bit address of the voltage data item of target throttle position of each gear step has a voltage value of the throttle motor position stored therein, the control process ...

DIELECTRIC FILTER AND COMMUNICATION DEVICE

Provided in the embodiments of the present application are a dielectric filter and a communication device, relating to the technical field of wireless communication devices, the dielectric filter comprising a dielectric block, the dielectric block being provided with at least two resonance through holes arranged in parallel, the resonance through holes being stepped holes, the stepped holes comprising a stepped large hole and a stepped small hole arranged coaxially and in communication with one another, the stepped small hole passing through a first surface of the dielectric block and the stepped large hole passing through a second surface of the dielectric block, and a step surface being formed between the stepped large hole and the stepped small hole; the surface of the dielectric block is covered with a conductor layer, the conductor layer covering the surface of the dielectric block and the inner walls of the stepped large hole and the stepped small hole, the conductor layer on the ...

ELECTRONIC DEVICE WITH USB INTERFACE AND USB COMMUNICATION STARTING METHOD THEREOF

The present invention provides an electronic device with a USB interface and a USB communication starting method thereof in order to solve the problem in the prior art that a mobile phone terminal device is easily damaged because of sharing of an interface by a charger and USB communication. A GPIO port of a base-band chip of the device is connected to a USB_VBUS pin of a USB interface part of the base-band chip. Based on the circuit, a power management chip detects the plugging state of the charger, and generates a corresponding interruption request. According to the interruption request, the base-band chip controls GPIO to output a corresponding level. By utilizing the connection between the GPIO port and the USB_VBUS pin, the output level of GPIO is controlled through software, so that the USB_VBUS pin is at a high level or low level, which is then used as a trigger signal of starting or stopping USB communication, thereby avoiding damage to the device.

METHOD FOR USING WALL MATERIAL COMPOSITION PREPARATION APPARATUS IN PREPARING WALL MATERIAL COMPOSITION

A method for preparing a wall material composition, comprising: a controller controlling respectively a first, a second, and a third control valve to open, allowing a flame retardant, a coupling agent, and a resin respectively to enter a first, a second, and a third weight detection apparatus; the first, the second, and the third weight detection apparatus respectively detecting the weights of the flame retardant, of the coupling agent, and of the resin entered, and respectively transmitting the corresponding weights to the controller, when the weights of the flame retardant, of the coupling agent, and of the resin respectively reach a first, a second, and a third set weight, the controller controlling respectively the first, the second, and the third control valve to close; the flame retardant that entered the first weight detection apparatus and the coupling agent that entered the second weight detection apparatus are transported to a first mixer for mixing, then are transported to a ...

Special tool for tightly pumping connecting rod of diesel engine and assembling method

The invention discloses a special clamp for pumping a diesel engine connecting rod and an assembling method. The clamp comprises a connecting rod pumping frame, a V-shaped wood cushion block, a connecting rod frame seat, a rod body cushion block copper-clad assembly, a pressing plate copper-clad assembly and a positioning column assembly. After the connecting rod is clamped and fixed at a time, multiple bench worker operation contents can be carried out, the labor load of bench workers is greatly relieved, the auxiliary working hours of the bench workers during operation are reduced, the working efficiency of the bench workers and the operation convenience are greatly improved, and the tool has the advantages of being simple in structure, low in manufacturing cost and easy and convenient to operate.

DIELECTRIC DUPLEXER

Provided by the embodiments of the present application is a dielectric duplexer, which makes the overall size of the duplexer smaller and reduces generated costs. The dielectric duplexer comprises: a dielectric body. The dielectric body is provided thereon with an input and output structure, a tap, a first resonance structure and a second resonance structure; the tap, the input and output structure, the first resonance structure and the second resonance structure are all cavities formed on the surfaces of the dielectric body, and the tap and the input and output structure are formed on different surfaces of the dielectric body; the tap and the input and output structure are located between the first resonance structure and the second resonance structure; the first resonance structure and the dielectric body therearound constitute a first resonator; the second resonance structure and the dielectric body therearound constitute a second resonator; the surfaces of the input and output structure ...

Satellite on-orbit energy discharge depth estimation method

The invention relates to the technical field of on-satellite energy estimation, and discloses a satellite on-orbit energy discharge depth estimation method. The method comprises the following steps: calculating a first maximum discharge capacity Ah3 triggered by a satellite storage battery when a satellite triggers a task in a shadow area or triggers a task in an illumination area when the satellite runs from a task triggering moment T0 to a second shadow ending moment T3; and determining to execute the task or refusing to execute the task according to the comparison between the first maximum discharge capacity Ah3 and an allowable maximum discharge capacity Ah of the satellite storage battery. According to the method, the maximum discharge capacity of the storage battery of the satellite in the multiple orbit periods of satellite operation is estimated to serve as a judgment basis for satellite task execution, risks caused by insufficient satellite energy are avoided, and the reliability ...

DIELECTRIC FILTER AND COMMUNICATION DEVICE

Disclosed are a dielectric filter and a communication device, relating to the technical field of wireless communication devices. The dielectric filter comprises a dielectric block (1), wherein the dielectric block (1) is provided with at least two resonant through holes (2) parallel to each other; the resonant through holes (2) are stepped holes; each of the stepped holes comprises a large stepped hole (22) and a small stepped hole (21) coaxially arranged and in communication with each other; the small stepped hole (21) penetrates a first surface (11) of the dielectric block (1), and the large stepped hole (22) penetrates a second surface (12) of the dielectric block (1); a step face is formed between the large stepped hole (22) and the small stepped hole (21); a surface of the dielectric block (1) is covered with a conductor layer, and the conductor layer covers the surface of the dielectric block (1), and inner walls of the large stepped hole (22) and the small stepped hole (21); a conductor ...

Vertical tool for machining exhaust pipe of high-speed machine and using method of vertical tool

The invention discloses a vertical tool for machining an exhaust pipe of a high-speed machine and a using method thereof.The vertical tool comprises a base, a main pipe, a connecting rod and a plug pin, compared with a traditional vertical tool, the vertical tool can quickly and conveniently complete assembly and installation of parts during use, the exhaust pipe needing to be machined can be stably positioned and supported subsequently, and the machining efficiency is improved. After the machining surface of a certain angle is machined, the numerical control table top and other components can be directly rotated, the exhaust pipe is driven to rotate, then the other machining surface of the exhaust pipe is machined, machining of the whole process is completed after machining is completed, machining precision is more accurate, the overall operation steps are simplified, and the device is simple in overall structure, low in cost and suitable for popularization and application. In addition ...

Full-automatic rubber sealing ring production line and automatic production method thereof

The invention discloses a rubber sealing ring full-automatic production line and an automatic production method thereof. The rubber sealing ring full-automatic production line comprises a material ring forming area, a mold pressing vulcanization area, a flash removal area (5), a second-section vulcanization area (6), an online detection area (7), a packaging identification area (8) and a control room (9). The invention further discloses an automatic production method of the rubber sealing ring. The automatic production method comprises the steps of loading and transferring, mold pressing and vulcanizing, flash removing, two-stage vulcanizing, packaging and marking and the like. The technical problems that in the prior art, a mold pressing vulcanization technology is not adopted in rubber sealing ring production, and meanwhile the specification of the produced rubber sealing ring is single are solved.

Code printing tracking system and method for vortex spinning

The invention discloses a code printing tracking system and method for vortex spinning. The code printing tracking system comprises an ink-jet printing device, a management module and a plurality of code printing modules. The plurality of code printing modules can record code printing information of each process corresponding to each finished product, the plurality of code printing modules are respectively connected with the management module, the code printing information of each process is gathered to the management module, and the management module respectively forms code printing labels for each process; the ink-jet printing device is installed on the AGV robot, when the AGV robot performs spooling and yarn changing, the ink-jet printing device is controlled by the management module to print a plurality of code printing labels on the inner side of a paper tube, and each code printing label corresponds to code printing information of each working procedure. According to the invention ...

Method for determining double-phase dissolution of calcitriol soft capsule

The invention relates to a method for determining two-phase dissolution of calcitriol soft capsules. The method comprises the following steps: step 1, preparation of a dissolution medium: preparing the two-phase dissolution medium from an organic solvent and water in a ratio of (1-5): (5-1); (2) operation of a dissolution instrument: setting the condition as a paddle method, and performing dissolution treatment on the calcitriol soft capsule to be detected by using the dissolution medium obtained in the step (1) so as to obtain a dissolution solution; (3) preparing a test solution: performing rotary evaporation on an organic solvent in the dissolved-out solution obtained in the step (2) through a rotary evaporator, and then dissolving the dissolved-out solution with methanol to obtain the test solution; (4) preparing a reference substance solution; and (5) detecting the content of calcitriol in the test solution obtained in the step (3), and determining the dissolution curve of the calcitriol ...

Tool assembly

The invention provides a tool assembly used for being connected and driven by a power device to form a joint, the tool assembly comprises a connecting part and a surgical tool, the surgical tool is rotatably arranged on the connecting part, the connecting part is used for detachably connecting the tool assembly to the power device, and when the tool assembly is connected with the power device through the connecting part, the surgical tool is driven by the power device to form the joint. The surgical tool is engaged with the output shaft of the power device to receive rotational motion output by the output shaft. Through the arrangement of the tool assembly, the tool assembly can be rapidly connected with or detached from the output shaft for outputting power through the connecting part, and when the tool assembly is connected with the output shaft of the power device, the surgical tool is driven by the power device to form the joint.

RESONANCE UNIT AND DIELECTRIC FILTER

A resonance unit and a dielectric filter, the resonance unit being composed of a resonance cavity and a metal bracket fixed in the resonance cavity, N transverse electric TE mode dielectric blocks being fixed on the metal bracket, the metal bracket having a plurality of isolation plates, the plurality of isolation planes intersecting at the centre of the metal bracket, a space used for placing one TE mode dielectric block being formed between each two adjacent isolation plates, and N being an integer greater than or equal to 2. The plurality of TE mode dielectric blocks are fixed on the metal bracket and the metal bracket is fixed in the resonance cavity, and the plurality of TE mode dielectric blocks are not directly fixed onto the side walls of the resonance cavity, such that the number of TE mode dielectric blocks can be flexibly selected according to requirements. The two tangential planes of a TE mode dielectric block may not be related perpendicularly, further reducing the volume ...

Frozen drink added with DHA algal oil and preparation method of frozen drink

The invention relates to the technical field of frozen drinks, and particularly provides a frozen drink added with DHA algal oil and a preparation method of the frozen drink. Feed liquid of the frozen drink provided by the invention comprises a protein component, a grease component, a stabilizer and an additive, wherein the addition amount of DHA algal oil in the feed liquid of the frozen drink is 0.2-0.4%. According to the DHA-containing algal oil ice cream and the preparation method thereof, the addition amount and the addition process of the DHA algal oil are analyzed, the material matching and the process method suitable for preparing the DHA-containing ice cream are developed, the DHA algal oil is added into the ice cream, and the DHA is enhanced for children by eating the ice cream, so that the brain development of the children is promoted, the visual sensitivity is improved, and the healthy DHA-containing algal oil ice cream suitable for being eaten by the children is prepared.

Hip joint replacement operation actuator and surgical operation system

The invention discloses a hip replacement surgery actuator which is used for preparing a prosthesis installation space on a bone and implanting a prosthesis and comprises a first actuator and a second actuator, the first actuator is used for being connected with a cutting tool to machine an acetabulum and/or a medullary cavity, and the first actuator is provided with a first connector and a second connector; the second actuator is used for being connected to the second interface of the first actuator when prosthesis implantation operation is executed, and the second actuator is used for being connected with a prosthesis and receiving impact of mounting the prosthesis; the hip replacement surgery actuator is used for being installed on a mechanical arm through a first connector. When acetabulum preparation and medullary cavity preparation are carried out in a hip joint operation, a first actuator is connected to a mechanical arm; when the prosthesis needs to be installed, the second actuator ...

Method for acquiring data of acquisition end by server

The invention provides a method for a server to acquire data of an acquisition end, which comprises the following steps: establishing a data acquisition system based on Ethernet, sending the data acquired by acquisition equipment to a switch through the Ethernet, and connecting the server to a network port of the switch through the Ethernet; the method comprises the following steps: establishing network connection between a switch and a data receiving and analyzing module, using a Netty framework as a monitoring port of a server in a data acquisition and analyzing module, and during data transmission, polling a data channel by a receiving thread group of Netty and extracting data from a buffer area into the data receiving and analyzing module; carrying out protocol analysis on the data by utilizing an architecture of a pipeline filter, packaging the data into a unified data model, and pushing the data to Topic of a distributed message queue Kafka; and the data processing node is used as ...

Jelly ice cream added with particles and preparation method of jelly ice cream

The invention relates to the field of food, in particular to jelly ice cream added with particles and a preparation method of the jelly ice cream. The jelly ice cream comprises an ice cream base material and granular substances, the raw material of the ice cream base material comprises 11-15 wt% of a first milk-containing component, and the first milk-containing component is milk and/or milk powder; the raw materials of the ice cream base material also comprise 0.5 to 0.7 wt% of Kappa type carrageenan, 0.1 to 0.2 wt% of potassium salt and 1.0 to 1.5 wt% of an additional stabilizer; the additional stabilizer is a mixture of locust bean gum and xanthan gum. The jelly ice cream disclosed by the invention can meet the requirement of mixing granular substances at the low temperature of-1 to-5 DEG C after congelation in the prior art, the granular substances of the final product are uniformly distributed, meanwhile, excellent jelly taste is maintained, the material liquid fluidity meets the actual ...

DIELECTRIC FILTER, TRANSCEIVER AND BASE STATION

Embodiments of the present invention provide a dielectric filter which has a novel dielectric filter structure for implementing cross coupling, relating to the technical field of communication device components. The dielectric filter provided by the embodiments of the present invention comprises at least three dielectric resonant cavities; each resonant cavity comprises an adjusting hole, wherein the adjusting holes are located on a body, and each adjusting hole forms a resonant cavity together with the portion of the body around the adjusting hole. A blind hole is further comprised between every two resonant cavities that are not adjacent to each other, wherein the blind hole is used for implementing cross coupling. The dielectric resonator provided by the embodiments of the present invention simplifies a structure for implementing capacitive coupling, such that the structure is miniaturized.

TOOL BOX ASSEMBLY FOR USE IN ACCOMMODATING TOOL ATTACHMENTS

A tool box assembly (100) for use in accommodating tool attachments, the assembly comprising: a first tool box (11), a second tool box (12), and a connection assembly (13), wherein the first tool box (11) comprises a first box body (111) and a first box cover (112), the first box body (111) and the first box cover (112) enclose and form a first accommodation space (118) used for accommodating a first tool attachment, and the first box body (111) and the first box cover (112) constitute a movable connection; the second tool box (12) comprises a second box body (121) and a second box cover (122), the second box body (121) and the second box cover (122) enclose and form a second accommodation space (128) used for accommodating a second tool attachment, and the second box body (121) and the second box cover (122) constitute a movable connection; and the connection assembly (13) movably connects the first tool box (11) and the second tool box (12) such that the first tool box (11) at least has ...

Stable emulsifier system, mini ice cream and preparation method

The invention discloses a stable emulsifier system, mini ice cream and a preparation method, and the stable emulsifier system comprises an emulsifier system and a stabilizer system; the emulsifier system comprises mono/diglycerol fatty acid ester, polyglycerol fatty acid ester and propylene glycol fatty acid ester; the stabilizer system comprises locust bean gum, flaxseed gum and tamarind gum. The mini ice cream comprises the following raw materials in percentage by weight: 10-20% of a sweetener, 5-11% of milk powder, 10-30% of cow milk, 2-8% of vegetable oil, 1-5% of anhydrous cream, 0.2-0.7% of an emulsion stabilizer system, 0.05-0.15% of essence and the balance of water. According to the invention, by optimizing the types of the stabilizer and the emulsifier, the appearance and moisture retention of the product are ensured, and other components in the raw materials are matched; therefore, the directly-filled ice cream product which can be industrially produced and is less than 40g is ...

Movable mechanical device for leveling on site ground

The invention provides a movable mechanical device for field ground leveling, and belongs to the field. According to the technical scheme, the device comprises a frame, a material guiding mechanism and a stirring mechanism, the material guiding mechanism and the stirring mechanism are arranged on the frame, the frame comprises a front supporting frame and a rear supporting frame which are integrally arranged, the material guiding mechanism is arranged on the front supporting frame, the stirring mechanism is arranged on the rear supporting frame, the material guiding mechanism comprises a mounting frame arranged on the side, close to the rear supporting frame, of the front supporting frame, and a mounting plate is arranged at the top of the mounting frame; the stirring mechanism comprises a material barrel arranged on the rear supporting frame, a stirring assembly is arranged in the material barrel, a discharging pipe is arranged at the bottom of the material barrel, and a material guide ...

METHOD FOR ANALYZING SCRATCH OF HARD-BRITTLE MATERIAL BASED ON TROCHOID FEED TRAJECTORY

A method for analyzing a scratch of a hard-brittle material based on a trochoid feed trajectory, comprising: first obtaining a test piece having a trochoid scratch; then performing area division on a trajectory line arrangement area of the test piece, the division rule being a planar spatial geometry relationship among "points", "lines", and "planes"; then, on the basis of the combination of a specific experimental solution and a corresponding observation device, extracting experimental factor representation information, of "point", "line", and "plane" key areas, related to material damage and material removal mechanisms with reference to the division rule of the trajectory line; and finally, analyzing the interrelationship between the experimental factors and material damage and material removal mechanisms with reference to related theories such as theoretical mechanics and fracture mechanics, and information acquired by a device for the key areas of the trochoid scratch trajectory.

DISPLAY PANEL AND METHOD FOR MANUFACTURING SAME

A method for manufacturing a display panel, wherein a liquid crystal motherboard comprises a first motherboard (10) and second motherboard, as well as a plurality of liquid crystal regions arrayed on the first motherboard (10). The plurality of liquid crystal regions comprises a first liquid crystal region (1021) adjacent to a first edge (a1) of the first motherboard (10) as well as a central liquid crystal region (1011) not adjacent to the first edge (a1) of the first motherboard (10). The method comprises: coating a sealant on peripheral regions (1012, 1022) of each of the plurality of liquid crystal regions of the first motherboard (10); and fitting together the second motherboard and the first motherboard (10) and providing a liquid crystal in each liquid crystal region so as to obtain the liquid crystal motherboard. Wherein, coating a sealant on peripheral regions (1012, 1022, 1032) of each of the plurality of liquid crystal regions of the first motherboard (10) comprises: coating ...

Hot-based zinc-aluminum-magnesium coated steel plate and preparation method thereof

The invention relates to a hot-based zinc-aluminum-magnesium coated steel plate and a preparation method thereof, and belongs to the technical field of cold rolling processes. The plating layer comprises the following chemical components in percentage by weight: 2-12% of Al, 1-4% of Mg and the balance of Zn and inevitable impurities, the purpose of the invention is to solve the problem of coating shedding of a hot-based zinc-aluminum-magnesium coated steel plate. According to the technical scheme for solving the technical problems, the hot-based zinc-aluminum-magnesium coated steel plate with high coating adhesion is obtained by controlling comprehensive process parameters such as heating atmosphere, flame rigidity, heat value fluctuation and a burner control method, and the steel plate is free of a dezincification phenomenon.

Superconducting insulating material electrical characteristic testing equipment

The invention relates to the field of electrical characteristic testing, and discloses a superconducting insulating material electrical characteristic testing device, which effectively solves the problem that the current superconducting insulating material electrical characteristic testing device is not easy to carry out electrical characteristic testing on a testing cable in different acting force environments, and comprises a testing machine body, the bottom end of the test machine body is provided with a base, one side of the test machine body is provided with a shift-out installation port, the other side of the test machine body is provided with a limiting blocking port, the top end of the test machine body is provided with a vacuum test assembly, and the test machine body is internally provided with a cable installation test assembly. The two ends of a test cable are respectively inserted into the two electricity connection cylinders, the two ends of the test cable are fixed by screwing ...

Black ice cream and preparation method thereof

The invention relates to the field of food, in particular to black ice cream and a preparation method thereof. The black ice cream is prepared from the following raw materials: milk, saccharides, fat, drinking water, a stabilizer and a pigment, the pigment is plant carbon black, the particle size of the plant carbon black is 10000-13000 meshes, and the addition amount of the plant carbon black is 2.3-2.7 kg/t raw material; the stabilizer is composed of sodium alginate and locust bean gum in a mass ratio of 1: (1.4-1.7). The black ice cream which is black in color, stable in coloring and moderate in viscosity is obtained by regulating and controlling the particle size and the addition amount of the plant carbon black, compounding a stable system, improving the preparation method and the like, has fresh and cool taste and good flavor release, and brings more comprehensive new consumption experience to consumers.

TOOL BOX

A tool box, comprising a box body (1) in which an accommodating space for accommodating a tool head is formed; and a tool head fixing assembly for fixing the tool head, the tool head fixing assembly comprising a first positioning post (3) and an elastic member (5), the first positioning post (3) comprising a positioning portion (31) extending along the direction of a first straight line, the tool head being sleeved to the positioning portion; and a mounting portion (32), the mounting portion being connected to the box body. The tool head fixing assembly has an assembly state and a disassembly state; when the tool head fixing assembly is located in the assembly state, the elastic member (5) is mounted at the top of the tool head, the elastic member (5) is in an interference fit with the positioning portion (31), and the projection of the elastic member in the plane perpendicular to the first straight line partially overlapping the projection of the tool head in the plane perpendicular to ...

Fabricated building shock insulation device with movement limiting function

The invention relates to the field of fabricated building shock isolation, in particular to a fabricated building shock isolation device with a movement limiting function, the fabricated building shock isolation device comprises a bottom plate and a top plate arranged above the bottom plate, and a shock isolation support is arranged at the center of the bottom plate and the center of the top plate; the positions, close to the four vertex angles, of the bottom plate are each provided with a supporting frame, the interior of each supporting frame is correspondingly provided with a shock isolation damper, the upper ends of the shock isolation dampers are rotationally connected with the top plate, and the lower ends of the shock isolation dampers are rotationally connected with the bottom plate. A limiting frame is arranged above the supporting frame, telescopic sleeve rods are evenly arranged on the inner side of the limiting frame in the circumferential direction, each telescopic sleeve rod ...

FILTER, AND COMMUNICATION APPARATUS

A filter, and communication apparatus. The filter comprises: a metal chamber, a metal resonant cavity, and a metal cover plate covering the metal chamber and the metal resonant cavity. A dielectric waveguide is provided within and electrically connected to the metal chamber. A rod resonator is provided within the metal resonant cavity. A coupling structure is provided between the metal chamber and the metal resonant cavity adjacent to the metal chamber. The coupling structure comprises a communication region between the metal chamber and the metal resonant cavity, and a dielectric bulk extending into the communication region. The dielectric bulk is connected to the dielectric waveguide. The coupling structure is coupled to the rod resonator in the metal resonant cavity. The above-described embodiment is based on a characteristic of the metal resonant cavity having a far-end harmonic at a frequency distant from a passband frequency. Therefore, the present invention effectively suppresses ...

Medical model of compound thumb deformity that 3D printed

... 本实用新型提供了种3D打印的复拇指畸形医用模型，其包括由3D打印体成型的第远节指骨、第二远节指骨、近节指骨、掌骨和由光敏树脂基材制成的模型本体，所述第远节指骨连接在近节指骨的左侧，所述第二远节指骨连接在近节指骨的右侧，所述近节指骨的底端与所述掌骨的顶端连接，所述掌骨设置于所述模型本体上。本实用新型采用3D打印技术制作，次成型，精准快速，原貌还原，能细致展示特定的复拇指畸形病例的骨头的形状、结构、病变情况，有利于进行手术前的合理规划并模拟实际情况，降低手术风险，且对其他的复拇指畸形病例的手术及医学教学作指导。 ...

Two-wheeled chain system road condition automatic simulation experiment table

An automatic road condition simulation experiment table for a two-wheeled chain system belongs to the technical field of simulation experiment equipment for the two-wheeled chain system and comprises a supporting box body, a dynamic experiment platform, a swinging mechanism, a chain system driving mechanism, a speed regulating mechanism, a controller and a man-machine interaction device. The invention discloses an automatic road condition simulation experiment table for a two-wheeled chain system, which is high in automation degree, can simulate various riding states, and can record experiment data in real time in the simulation process, so that the performance of the two-wheeled chain system can be quickly and comprehensively verified. In addition, due to the fact that the real-time data recording function is achieved, the first-hand most direct analysis basis can be provided for detection personnel in follow-up analysis.

Dual-motor prism scanning module for laser radar

According to the dual-motor prism scanning module for the laser radar, the driving motor is longitudinally added in a coaxial mode, when the prism scanning module is rapidly started or braked, the two driving motors rotate in the same direction, and according to the defects of an existing prism scanning type laser radar application technology, the dual-motor prism scanning module can be rapidly started or braked. By increasing the number of the motors, the requirement of quick start of the prism motor on the performance of the motors is reduced, and the quick start and brake performance of the prism scanning module can be improved; when the laser radar is in a stable working state, the rotation speed fluctuation of the prism scanning module is small, one motor can be actively controlled to maintain the rotation speed of the prism scanning module, the other motor passively rotates to generate electric energy, the electric energy is stored through the energy storage device, and the electric ...

Method and device for adjusting temperature of air conditioner in machine room and electronic equipment

The invention discloses a machine room air conditioner temperature adjusting method and device, and belongs to the technical field of automatic control. The method comprises the steps that in response to temperature adjustment conducted on an air conditioner in a target machine room, the target temperature of the target machine room and real-time data of preset influence factors are obtained, and the preset influence factors comprise an air conditioner operation parameter factor, an IT equipment load factor and an environment factor; according to the real-time data and the target temperature, the target control temperature of the air conditioner is solved through a machine room multi-dimensional temperature influence model; and adjusting the temperature of the air conditioner based on the target control temperature. According to the method, the temperature of the air conditioner in the machine room is automatically controlled by combining multi-dimensional factors influencing the temperature ...

Fabricated stair shock insulation damper with dustproof and weather-proof functions

The invention relates to the technical field of stair shock insulation dampers, in particular to an assembly type stair shock insulation damper with dustproof and weather-proof functions, a storage groove is formed in a prefabricated stair, one end of a damper body is hinged to the storage groove, and a limiting hole is formed in the other end of the damper body; the bottom of the containing groove is fixedly connected with a sealing rubber pad, the damper body is connected with the sealing rubber pad, the prefabricated wall body is provided with an inserting groove, and the end, provided with the limiting hole, of the damper body is arranged in the inserting groove; a linkage groove is formed above the insertion groove, and an insertion rod matched with the limiting hole is arranged in the linkage groove; sealing plates are arranged on the two sides of the sealing rubber pad correspondingly, a closed cavity is formed among the sealing plates, the sealing rubber pad, the prefabricated wall ...

Portable potential monitoring and early warning method

The invention discloses a portable potential monitoring and early warning method. A large amount of power equipment is operated in an existing factory, manual routing inspection work needs to be carried out on a line in normal operation of the equipment, the manual routing inspection work is essential, and whether the line is electrified normally or not cannot be visually seen in some fixed areas. A button cell provides 6V voltage for power supply and is placed in a monitoring plastic shell, an infrared induction circuit is composed of an infrared transmitting tube VD1, an infrared receiving tube VD2 and ceramic capacitors C1 and C2, a voltage sampling comparison circuit is composed of a potentiometer RP1 and a universal operational amplifier LM358, and a sound-light alarm circuit is composed of triodes VT1 and VT2 with the model number of 9012, an active buzzer HA1 and a light emitting diode LED1. The method is used for potential monitoring and early warning.

Ultra-large aperture single lens reflex full-format lens

A single lens reflex full-frame lens with an ultra-large aperture belongs to the technical field of movie photographic equipment, and the lens is provided with a first lens group with negative diopter, a diaphragm and a second lens group with positive diopter in sequence along a light incidence direction; the diaphragm is located at any position in the second lens group; when an object is focused from infinity to a close distance, the first lens group is fixed, and the second lens group is used as a focusing group to axially move from an image surface side to an object side; the lens satisfies the following conditional expressions: 2.5 < = F1/F < = 7; 0.05 < = D12/F < = 0.2; compared with an existing large-aperture lens, the lens with the ultra-large aperture has the advantages that the aperture of the lens is larger, the size of the aperture can reach F0.90-F1.15, an excellent imaging effect can be achieved from infinity to close distance, miniaturization, low cost and easy mass production ...

Portable range finder for real estate surveying and mapping and use method thereof

The invention discloses a portable range finder for real estate surveying and mapping and a using method thereof. The portable range finder comprises a base, and the top end of the base is fixedly connected with a containing box; the three telescopic legs are circumferentially arranged at the bottom end of the base, and the fixed ends of the telescopic legs are hinged to the bottom end of the base; the lifting seat is arranged below the base and coincides with the axis of the base, the lifting seat is connected with the three telescopic legs through connecting pieces, the lifting seat ascends through outward expansion of the three telescopic legs and descends through inward contraction of the three telescopic legs, the top end of the lifting seat is connected with a range finder through an adjusting assembly, and the range finder is located in the containing box; the leveling assembly comprises a swing part and a monitoring part, the swing part is rotationally connected with the bottom ...

Odor isolation device for plate-and-frame pressure filtration equipment and collection method of odor isolation device

The invention belongs to the technical field of odor treatment, and discloses an odor isolation device for plate-and-frame filter pressing equipment, which comprises a filter press, the lower surface of the filter press is fixedly connected with a filter pressing platform, a sludge cake storage bin is arranged below the filter pressing platform, a gas storage tank is arranged in the sludge cake storage bin, and a gas outlet is formed in the gas storage tank. A fixing frame is fixedly connected to the outer side face of the filter pressing platform, a sliding rail is fixedly connected to the inner side face of the fixing frame, and a crane is slidably connected to the sliding rail; the filter press comprises a filter pressing equipment body, an isolation hood is fixedly connected to the upper surface of the filter pressing platform, the filter pressing equipment body is located in the isolation hood, and a plurality of odor collecting pipelines are fixedly connected to the inner side face ...

一种双光路双波长输出激光器

... 本发明公开了一种双光路双波长输出激光器，包括激光器本体，激光器本体包括激光器腔体和激光器封盖，激光器腔体的右侧壁上设有泵浦激光入口和射频转接口，激光器腔体的左侧壁上设有红外输出窗口和绿光输出窗口，泵浦激光入口处设有耦合装置，激光器腔体内设置有红外激光输出光路和绿光输出光路。此技术通过一个腔体内设计两个激光光路，输出两种激光波长，只需要通过一个1/2波片位置的切换即可实现红外激光和绿光激光的转换输出，大大节省了激光制造成本，提高了产品的性价比，在加工过程中，起到事半功倍效果，且解决了传统双波长激光器指向性不稳定的问题，大大提高了加工精度。 ...

Method and system for observing rearview mirror of automobile electronic camera through HUD

The invention relates to the technical field of vehicle driving auxiliary systems, in particular to a system and method for observing an automobile electronic camera rearview mirror through an HUD, the system comprises an HUD electronic rearview mirror system, the HUD electronic rearview mirror system comprises a projection imaging system, and the projection imaging system is connected with an adjusting mechanism, a moving mechanism and a projection mechanism. According to the system and method for observing the rearview mirror of the automobile electronic camera through the HUD, on the basis that the rearview mirror of the automobile electronic camera is observed through the HUD technology, the position of HUD image information display projection on a windshield is improved, the left-right projection position, the rotation angle and the projection height of the HUD image information are adjusted, and the rearview mirror of the automobile electronic camera is observed through the HUD. Therefore ...