Apparatus for measuring angle perturbation motion of inertia system and uses thereof

The invention discloses an inertia system angle perturbation measuring device and application of the device. The measuring device consists of 4 linear acceleration sensors which form 2 measuring units in pairs; the 2 linear acceleration sensors of each measuring unit are installed on the same place with the sensitive axes in parallel and the connecting line of the sensitive centers vertical to the sensitive axes of the 2 linear acceleration sensors; the distance between the sensitive centers of the 2 linear acceleration sensors of each measuring unit is a set value; the angle between the sensitive center connecting lines of the two measuring units is 90 degrees, and the sensitive center of one linear acceleration sensor of a measuring unit and the sensitive centers of the two linear acceleration sensors of another measuring unit are on the same straight line. With high measuring speed and occupation of few controller resources, the invention is very good for real time control to the inertia ...

Coal bed overburden strata broken coal and rock mass gas transport and extraction experiment system

The invention discloses a coal bed overburden strata broken coal and rock mass gas transport and extraction experiment system which comprises four static servo hydraulic control systems and a model base, wherein the model base comprises a bottom plate, front, rear, left and right side walls on the bottom plate, and a top plate, which define a cubic space filled with simulation materials; an air vent pipe is arranged on the rear side wall; the four static servo hydraulic control systems are connected with lifting jacks on the bottom plate, the top plate, the left side wall and the right side wall, respectively; a steel wire corrugated pipe is arranged in the model base; a model base supporting device is arranged at the bottom of the model base. The limitation of conventional computer numerical simulation for solving a discontinuous large deformation problem is eliminated, and a phenomenon that stratum movement caused by mining in a mining process under specific conditions cannot be completely ...

Low-resistivity high-stability conductive ink and preparation method thereof

The invention discloses a low-resistivity high-stability conductive ink and a preparation method thereof. The low-resistivity high-stability conductive ink comprises the following components in parts by weight: 20-30 parts of epoxy resin, 30-50 parts of conductive filler, 1-3 parts of polyethyleneglycol 2000, 5-10 parts of titanate coupling agent, 40-50 parts of acetone, 8-10 parts of N,N-dimethyl benzylamine and 5-8 parts of pigment. The preparation method comprises the following steps: (1) preparing nano silver powder; (2) preparing nano silver bars; (3) mixing; (4) defoaming; and (5) curing and forming. The preparation method is simple and easy to implement; the formula design and the preparation of the nano silver powder and nano silver bars are performed to enhance the contact area between the conductive fillers and between the conductive fillers and other components, thereby enhancing the conducting stability of the conductive fillers; and thus, the prepared conductive filler has ...

Coal rheology seepage flow test device

Novel sand mill turbine disc

The utility model discloses a novel sand mill turbine disc, turbine disc including a plurality of parallel mount, the center of turbine disc is hollow axle center evenly distributed has a plurality of pieces of blades on the circumference in axle center, the blade is the arc the surface distribution of blade has a plurality of bellied hemisphere. The utility model discloses simple structure, efficiency of grinding are good, grind high -efficiently and dispersion effect excellent.

Remove green building materials of antibiotic anion triple effect of aldehyde unification

The utility model discloses a remove green building materials of antibiotic anion triple effect of aldehyde unification, it includes substrate (1), its characterized in that: substrate (1) top is provided with adheres to confining bed (2), and the top of adhering to confining bed (2) is provided with middle filling layer (3), and the top of middle filling layer (3) is provided with functional layer (4). The utility model has the advantages of green, pleasing to the eye, the wearability is good, resistant good, the antibacterial nature of scraping nature and the bacterinertness is good, remove aldehyde purification efficiency and purify the persistence high, release high concentration provide minus ions has, be of value to the health.

Pull-type transplanter and working method thereof

The invention provides a traction type transplanter and a working method thereof, and belongs to the technical field of agricultural transplanting. The problem that an existing transplanter cannot conduct hole forming, fertilization, water injection and transplanting at the same time is solved. The device comprises a seedling tray frame, a transplanting ship, a water injection mechanism, a hole forming mechanism, a fertilizing mechanism, a frame body and driving wheels, the seedling tray frame is mounted on the frame body, the fertilizing mechanism is mounted at the head of the frame body, a water tank is arranged between the seedling tray frame and the fertilizing mechanism and mounted on the frame body, and the water injection mechanism and the hole forming mechanism are sequentially mounted at the bottom of the frame body. The water injection mechanism is connected with the water tank, the hole forming mechanism is arranged below the fertilization mechanism, the transplanting ship is ...

Coumarin glycoside compound, and preparation method, pharmaceutical composition and application preparation thereof

The invention relates to a novel coumarin glycoside compound derived from esculine or skimmin and a synthesis method thereof, and application of the novel coumarin glycoside compound and 7-O-methylesculine as drugs in diseases related to diabetic angiopathies. The in-vitro activity evaluation shows that the compound has obvious free radical removal action and ADP (adenosine diphosphate)-induced platelet aggregation inhibition action. The overall animal drug effect evaluation experiment result indicates that the 7-O-methylesculine can resist experimental hyperlipemia and inhibit atherosclerosis from formation, has obvious higher activity than esculine, and has application prospects in the aspect of resisting diseases related to diabetic angiopathies.

Multifunctional vehicle for children

The invention discloses a multifunctional vehicle for children, comprising a hollow car body, a plurality of first pulleys arranged at the front end of the bottom of the car body and a plurality of second pulleys arranged at the rear end of the bottom of the car body; wherein the front end of the car body is opened with an opening, the car body is also provided with a front cover which is hermitically arranged on the opening and is replaceable, the upper wall of the opening is concavely provided with a clamping slot, and the upper side of the front cover is provided with a clamping hook part matched with the clamping slot. The multifunctional vehicle for children in the invention is provided with a replaceable front cover, so that multiple playing methods can be realized, thus not only structure is simple, but also a user can be interested in the multifunctional vehicle for children for a long time, further full development of mind and body of the user can be promoted.

Method for preparing composite material containing ultra-wear-resistant and easy-to-clean PVC pre-coating film

The present application relates to the technical field of a floor composite material, and more particularly, the present application provides a composite material containing a PVC pre-coating film and a preparation method therefor. In the first aspect, the present application provides the method for preparing the composite material containing the PVC pre-coating film. The method comprises preparing the PVC pre-coating film by utilizing a PVC transparent film layer and a radiation-cured coating; performing high-temperature press fit on the PVC pre-coating film, a substrate material and a printed decorative layer; and then performing cooling and forming treatment to obtain the composite material containing the ultra-wear-resistant and easy-to-clean PVC pre-coating film. 1. A method for preparing a composite material containing an ultra-wear-resistant and easy-to-clean PVC pre-coating film , comprising the following steps:preparing the PVC pre-coating film by utilizing a PVC transparent film layer and a radiation-cured coating;performing a high-temperature press fit process on the PVC pre-coating film, a substrate material and a printed decorative layer; andperforming cooling and forming treatment to obtain the composite material containing the ultra-wear-resistant and easy-to-clean PVC pre-coating film.2. The method for preparing the composite material according to claim 1 , wherein the substrate material is one or more selected from a group consisting of an SPC substrate and an LVT substrate.3. The method for preparing the composite material according to claim 2 , wherein the substrate material is an SPC substrate claim 2 ,and the high-temperature press fit process on the PVC pre-coating film, the substrate material and the printed decorative layer comprises: firstly, heating all of the SPC substrate, the PVC pre-coating film and the printed decorative layer to 160° C. to 180° C., and performing pressing treatment by a steel roller for 3 s to 10 s.4. The method for ...

Multi-mode dynamic configurable high-speed memory access interface for coarse grain reconfigurable system

A multi-mode dynamic configurable high-speed memory access interface for a coarse grain reconfigurable system is based on a traditional memory access interface and additionally provided with an access mode configurable function and can dynamically configure four corresponding access modes including a single data transfer mode, a burst data transfer mode, a two-dimensional data transfer mode and a chain data transfer mode for different types of data distribution when the system runs. The multi-mode dynamic configurable high-speed memory access interface for the coarse grain reconfigurable system can initiate a plurality of data access requests to an off-chip synchronous dynamic memory in advance according to configuration information and forms of data distribution so as to reduce access delay of data and configuration.

Instrument for electrical experiment

The invention provides an electrical laboratory instrument, comprising a frame structure, a cross beam and a laboratory instrument component plate, wherein, the frame structure can be assembled, disassembled and combined freely; the cross beam is connected to the two adjacent parallel frames of the frame structure; the laboratory instrument component plate is mounted on the cross beam according to the requirements; and the frame structure, the cross beam and the laboratory instrument component plate are made of transparent materials, therefore, an experimenter can visually observe the space structure and the connection manner of an experimental circuit and conveniently find out the defects in the circuit; and meanwhile, the frame structure can be assembled, disassembled and combined freely, and the laboratory components and circuits can be mounted in any position of the frame structure according to the requirements, thereby improving the flexibility of the experiment and greatly reducing ...

Tunnel longitudinal and transverse physical similarity model experiment device considering stratum uncertainty

The invention belongs to the technical field of tunnel physical similarity model experiments, provides a tunnel longitudinal and transverse physical similarity model experiment device considering stratum uncertainty, and is applied to related simulation of influence of spatial variability of variable strata and soil parameters on tunnel longitudinal and transverse structures in the field of geotechnical engineering. Comprising a tunnel excavation simulation module, an external detachable frame, a replaceable model window, a grid division partition plate and a window plugging device. According to the device, simulated soil body units are discretized into independent grid units through longitudinal or transverse partition plates of grid division partition plates, and simulation of variable strata and soil body parameter space variability is achieved by filling prepared different unit soil bodies in the filling process; the method creatively realizes excavation of tunnels which are densely ...

Roadway protection method for multi-coal-seam gob-side entry retaining in real crustal stress environment

The invention discloses a roadway protection method for multi-coal-seam gob-side entry retaining in a real crustal stress environment. The method comprises the following steps: step 1, sample preparation; 2, a multi-field coupling coal and rock mass dynamic disaster prevention and control technology simulation system is prepared for installation; thirdly, true triaxial prestress is applied; fourthly, true triaxial mining-induced stress is applied, the stress value of a fourth loading device in the Z direction is changed to be 6 MPa, 8 MPa and 10 MPa, unloading is conducted till a coal seam roof is damaged, and after damage, sigma z4 is kept unchanged so as to simulate the roadway protection effect of gob-side entry retaining of the goaf; 5, starting a high-speed camera; carrying out visual monitoring and recording on the whole loading process; 6, performing other tests in the same group; 7, ending the test; the roadway protection effect simulation of large-size multi-coal-seam gob-side ...

Preparation method for graphene-adhered plastic loaded PdNi hydrogen peroxide electric reduction catalyst

The invention provides a preparation method for a graphene-adhered plastic loaded PdNi hydrogen peroxide electric reduction catalyst. The preparation method comprises the following steps: adhering one face of an alkali-resisting double-sided adhesive tape on the surface of plastic; coating the other face of the double-sided adhesive tape by graphene according to the density of 15-20mg/cm<2>; compacting the graphene by pressure of 6-10MPa; placing the plastic adhered with the graphene into each liter of a water solution containing 5g of NiCl2 and 1g of NH4Cl; activating under the voltage of 1.0V for 5 minutes and keeping electrolytic deposition of nickel under -1V for 1-1.5 hours; and putting a prepared plastic nickel body adhered with the graphene into a solution containing 1mmol/mL of PdCl2 for 3-5 minutes. The essence of the invention is that battery structures including hydrogen peroxide based fuel batteries and the like are adopted and graphene-adhered plastic loaded PdNi is used as ...

一种硼酸铝晶须的制备方法

A process for preparing aluminium borate whisker by solid-phase reaction method includes such steps as preparing Al2O3 precursor from [NH4Al(SO4)2.12H2O] and NH4HCO3, coating it on the surface of TiO2 nano-particles, heating to oxidize the B in TiB2 to become B2O3 while adsorbing B2O3 in the flocculent Al2O3 precursor, and continuously heating to 1000-1200 deg.C while gradually growing the aluminium borate whiskers.

Instrument for electrical experiment

The invention provides an electrical laboratory instrument, comprising a frame structure, a cross beam and a laboratory instrument component plate, wherein, the frame structure can be assembled, disassembled and combined freely; the cross beam is connected to the two adjacent parallel frames of the frame structure; the laboratory instrument component plate is mounted on the cross beam according to the requirements; and the frame structure, the cross beam and the laboratory instrument component plate are made of transparent materials, therefore, an experimenter can visually observe the space structure and the connection manner of an experimental circuit and conveniently find out the defects in the circuit; and meanwhile, the frame structure can be assembled, disassembled and combined freely, and the laboratory components and circuits can be mounted in any position of the frame structure according to the requirements, thereby improving the flexibility of the experiment and greatly reducing ...

Board -like fire prevention valve turns over with connect frame

The utility model discloses a board -like fire prevention valve turns over with connect frame, including valve body, blade and drive the actuating mechanism of blade, both ends are equipped with the connection frame respectively around the valve body on its PLASTIC LAMINATED, connect the frame and be right angle shape on the section, its right angle position coincide in the interior corner of PLASTIC LAMINATED, axial component inlay in the step position of PLASTIC LAMINATED internal surface, the radial component is exceeding the connecting hole has been seted up at the position of PLASTIC LAMINATED. This fire prevention valve has been overcome current fire prevention valve and has been had not enough that joint strength is low, sealing performance is poor, can be fine satisfy the performance requirement of special environment such as nuclear power engineering to the fire prevention valve.

Can automatic monitoring potassium ion concentration's sensor in feedback solution

The utility model discloses a can automatic monitoring potassium ion concentration's sensor in feedback solution, including sensor protecting sheathing, install the external conductors subassembly at sensor protecting sheathing top, install inside the sensor protecting sheathing, and the liquid sensory package be connected with the external conductors subassembly. Can automatic monitoring potassium ion concentration's sensor in feedback solution can overcome poor stability among the prior art, the availability factor is low and application scope defect such as little to realize the advantage that stability is good, the availability factor is high and application scope is big.

Effective portion of conical hydrangea, preparation method thereof, and composition and usage thereof

The invention discloses an effective portion extracted from a conical hydrangea (Hydrangea paniculata sieb), and the preparation method of the effective portion comprises drug composite of the effective portion and the purpose of the effective portion and other drug composite which are used as drugs, and the effective portion is particularly applied in preparing drugs for preventing and/or treating kidney incompetence, high blood pressure and diabetic kidney disease.

Power steering hose for automobile ESP system and production method thereof

Stream media content downloading method based on data characteristic

The invention relates to a downloading method of stream media content based on data character, comprising: starting data package seizing wire; opening the link address containing video content and buffer memorizing the seized data package in the form of binary data stream in a buffer file. The buffer file is read and a number of conversational files are separated based on the conversation terminal. On the basis of the size of the conversational file and the opening code of the media content in the said file, the said conversational file is determined whether the media content is in the conversational file or not, and the conversational file without the media content is deleted. The data packages in the conversational file are read in turn based on the conversation index file and the retransmission package and error package are deleted on the basis of the sequence number and affirm number in the data package, and then the effective media data package is ordered and stored in the new media ...

Shooting preview method, image fusion method, electronic equipment and storage medium

The embodiment of the invention provides a shooting preview method and device, an image fusion method and device, electronic equipment and a storage medium, and the method comprises the steps: enabling a view finding range corresponding to a telephoto lens to be maximum through setting the magnification times of the telephoto lens, obtaining a telephoto shot image of the telephoto lens and a main shot image of a main shot lens, and obtaining a shooting preview image of the telephoto lens; the method comprises the steps of obtaining a main shooting image in a telephoto shooting image, obtaining a target image in the telephoto shooting image, amplifying the target image, displaying and locking the amplified target image to a preset position of a telephoto preview window which is arranged on a main shooting preview window in a suspended mode, and finally fusing the amplified target image and the main shooting image to obtain a final shooting image. The anti-shake effect of shooting of the ...

Method and device for generating animated wallpaper

Disclosed are a method and device for generating an animated wallpaper. The method comprises: initializing a visual effect basic control parameter, and configuring a 3D transformation parameter; on the basis of the 3D transformation parameter and the visual effect basic control parameter, rendering a background and particles, and generating the animated wallpaper; when a user triggers a screen, on the basis of how and where on the screen is triggered by the user, updating the visual effect basic control parameter and the 3D transformation parameter, and, on the basis of the updated 3D transformation parameter and of the updated visual effect basic control parameter, re-rendering the background and the particles on the animated wallpaper. The technical solution of the present invention provides people with intuitive 3D depth motion particle effect and interaction, and, when compared with existing static wallpapers and animated wallpapers, provides unique features in terms of user experiences ...

Deep purification treatment method for printing ink wastewater

The invention discloses a deep purification treatment method for printing ink wastewater The method comprises the following steps of (1) natural sedimentation; (2) coagulating sedimentation; (3) filter pressing; (4) ultrasonic oxydative degradation; (5) membrane filtration; and (6) pH value adjustment. The deep purification treatment method for printing ink wastewater disclosed by the invention is simple in process and easy to operate, and after printing ink wastewater is subjected to two times of sedimentation and filtration, two times of filtration and one time of ultrasonic oxidation treatment, both the chromaticity and organic compound removal rate of the printing ink wastewater can reach 100%, and the treated printing ink wastewater can reach the discharge standards of domestic water.

Titanium-alloy high-pressure compressor arc rabbet working-blade processing technique

Axial end face coal and gas outburst simulation test system under multi-field coupling condition

The invention discloses an axial end face coal and gas outburst simulation test system under a multi-field coupling condition, four fluid injection channels are arranged at the bottom of a box body of a main body model, an anti-fluid channeling plate is laid at the bottom of the main body model, outburst gas supply pipelines are respectively connected into the four fluid injection channels, and the outburst gas supply pipelines are communicated with the main body model. The outburst gas supply pipeline comprises a methane gas cylinder, a gas booster pump, a gas storage tank, a pressure reducing valve and a gas pressure gauge which are connected in sequence through pipelines; and a double-rupture disk is mounted in the outburst channel on the right side of the main body model through a holder to serve as a gas outburst control device. Sample gas saturation is carried out by filling gas from the lower part, and an anti-channeling plate is additionally arranged to ensure uniform gas inlet; ...

Preparation method of novel thermochromic printing ink

The invention provides a preparation method of a novel thermochromic printing ink. The preparation method comprises following steps: a) material preparation; b) preparation of a polyvinyl alcohol aqueous solution; c) crosslinking modification processing; d) preparation of the thermochromic printing ink; and e) finished product postprocessing. The invention discloses the preparation method of the novel thermochromic printing ink. Procedures of the preparation method are reasonable; operation is convenient; cost is moderate; and the prepared novel thermochromic printing ink possesses excellent covering performance and wear resistance, is brilliant in color and is high in color changing sensitivity, and is especially suitable to be used for fields such as food anti-counterfeit labels and temperature-sensitive packaging materials.

Silicon carbide water-base casting slurry containing alpha-silicon nitride whisker and preparation method thereof

The present invention is one kind of water-based flow casting slurry of silicon nitride containing alpha-silicon nitride crystal whisker in the solid content of 15-40 wt%. The slurry consists of alpha-silicon nitride crystal whisker 1-10 wt%, silicon nitride powder 16-25 wt%, polyethylene imine 1-8 wt%, PVA 20-35 wt%, propylene glycol 1-8 wt%, and deionized water for the rest. It is prepared through preparing the materials including alpha-silicon nitride crystal whisker, deionized water as solvent, polyethylene imine as dispersant, PVA as adhesive, propylene glycol as plasticizer and ammonium tetramethyl chloride to regulate pH value; mixing; twice ball milling and post-treatment. It has relatively high crystal whisker content, low viscosity and high dispersivity, and is suitable for flow casting to form cast film with flat surface, homogeneously dispersed powder grains and pores, high strength and high machinability.

Box-type powder dryer with multilayer and multicolumn combination of drying drums

The invention discloses a box-type powder dryer with the multilayer and multicolumn combination of drying drums, comprising a feeding port 1, a discharging port 2, an air inlet 3, an air outlet 4, a humidity removing pipeline 17, a dustproof heat insulation shield 6, a driving device 7, a supporting wheel device 8 and a drying assembly; wherein the drying assembly is formed by combining at least two drying drums comprising fixed drums 9 and rotating drums 19 in the multilayer and multicolumn mode, wherein each rotating drum 19 comprises more than four rotating hot air pipes 11, a flange 12 and an air guide pipe 13. As the structure of a plurality of rotating hot air pipes 11 and the combination of a plurality of drying drums are adopted, the invention increases the heat transfer area, enhances the heat utilization efficiency, has excellent drying property, reduces the occupying area and the dust explosion, improves the working environment, and has the advantages of simple structure, simple ...

Method and device for generating animated wallpaper

Disclosed are a method and device for generating an animated wallpaper. The method comprises: initializing a visual effect basic control parameter, and configuring a 3D transformation parameter; on the basis of the 3D transformation parameter and the visual effect basic control parameter, rendering a background and particles, and generating the animated wallpaper; when a user triggers a screen, on the basis of how and where on the screen is triggered by the user, updating the visual effect basic control parameter and the 3D transformation parameter, and, on the basis of the updated 3D transformation parameter and of the updated visual effect basic control parameter, re-rendering the background and the particles on the animated wallpaper. The technical solution of the present invention provides people with intuitive 3D depth motion particle effect and interaction, and, when compared with existing static wallpapers and animated wallpapers, provides unique features in terms of user experiences ...

Printing ink sand mill grinding vessel

The utility model discloses a printing ink sand mill grinding vessel, including the barrel, install in axis of rotation, fixed mounting on the barrel axis are in rotate epaxial turbine disc and install the inside supplementary abrasive disc of barrel, the turbine disc with wrong distribution is upwards presented in the footpath of barrel to supplementary abrasive disc, the discharging pipe is installed to the opening part of barrel, the discharging pipe with the axis of rotation is fixed to link to each other, the discharging pipe with install seal structure between the barrel, the discharging pipe outrigger is equipped with the filter screen, the inlet pipe is installed to the afterbody of barrel, the surface covering of barrel has the coolant liquid pipeline. The utility model discloses increase the effective grinding area among the process of lapping, strengthened the telescopic movement of thick liquids, strengthened from this and ground and dispersion effect, improved the grinding ...

Information encryption method and mobile terminal

The invention provides an information encryption method and a mobile terminal and relates to the field of mobile communication. The security problem of leaking information of a user through a terminal is solved. The method includes the steps that an encryption instruction is obtained; according to the encryption instruction, plaintext inside an input box is encrypted to obtain ciphertext; the ciphertext is used for replacing the plaintext to be displayed. According to the technical scheme, the information encryption method and the mobile terminal are suitable for communication software, and input information in the communication software is encrypted.

A block size computing method and transmission method for cylinder panorama video code

The utility model provides a calculation method of block size of cylindrical panoramic video coding and a transmission method, which is characterized in that: a code rate of the panoramic video coding is got without direct blocking pre-coding to the cylindrical panoramic video; blocking pre-coding to the video is operated according to an optional block size, and the code rate in the block size is got; the increment of the two code rate is computed; the impact factor of the video is computed based on the increment; and the optimal coding block size is computed based on the impact factor. The utility model also provides a transmission method of the cylindrical panoramic video block coding based on the block size computed by the calculation method. The utility model has the advantages of computing the optimal coding block size by twice pre-coding, and having lowest transmission data size in the same visual quality of users by using the optimal block size to code the cylindrical panoramic video ...

Underground space navigation positioning method and navigation positioning system

The invention provides an underground space navigational positioning method and a navigational positioning system. The navigational positioning method comprises the following steps: controlling a total station to autonomously set up a station in an underground space; automatically tracking a positioning prism arranged on the moving target by using the total station to obtain first position information; acquiring first speed information by utilizing a laser radar odometer, acquiring second speed information by utilizing an odometer, and resolving by utilizing an inertial navigation device to obtain attitude information, third speed information and second position information; and establishing a data fusion filter through an information processor according to the first position information, the first speed information, the second speed information, the attitude information, the third speed information and the second position information, and obtaining an integrated navigation positioning ...

Tunnel disease real-time detection and early warning system

The invention relates to a tunnel disease real-time detection and early warning system. The system comprises a data acquisition module which is used for acquiring laser point cloud data in a tunnel and high-definition image data in the tunnel; the data analysis processing module is used for detecting whether key diseases exist in the tunnel or not according to the point cloud data and the image data; the spatial position resolving module is used for resolving the spatial position of the key disease of each section in the tunnel and the acquisition track of the data acquisition module in the tunnel; and the visual interaction and early warning module is used for carrying out real-time statistics on key disease detection results, printing statistical information to a lining surface corresponding to the tunnel three-dimensional model, carrying out tunnel internal environment three-dimensional display, and carrying out remote real-time early warning on the key disease detection results. Compared ...

Superaudio electromagnetic induction heating device

The utility model discloses a superaudio electromagnetic induction heating device, including an electromagnetic induction coil, its characterized in that, be equipped with the foamed metal layer of non ferromagnetic metal preparation among the alternating magnetic field of formation in 1-50mm of electromagnetic induction coil interval, the porosity on foamed metal layer is more than or equal to 90%. The utility model discloses improved superaudio electromagnetic heating's range of application greatly, can with the non ferromagnetic metal be used for superaudio electromagnetic heating, and have the heating efficiency height, heat time advantage such as fast.

Semi-self-propelled solar film forming and greening machine

The invention discloses a semi-self-propelled solar film forming and greening machine which comprises a mirror device and a plurality of airship devices connected with the mirror device, wherein the mirror device comprises a mirror holder body and an asymmetrical concave mirror fixed on the mirror holder body. The asymmetrical concave mirror is used for gathering the sunlight onto the ground to melt pit-shaped sand surfaces so as to form anti-evaporation stone film pits favorable for plant growth, materials for forming stone films are taken from the desert, and energy sources for melting sand grains are taken from the sun, thereby solving the problem of greening the desert in a large area.

Rolling method capable of preventing steel ingot rolling tilting

The invention relates to a rolling method capable of preventing steel ingot rolling tilting. The method comprises the steps that (1) a steel ingot is rolled to a previous pass of a pass which is not smooth, namely when the length of the steel ingot is smaller than or equal to 5100 mm, steel ingot tilting is removed through a smooth pass; (2) when the steel ingot is larger than 5100 mm, under manual swinging and pressing, pressing amount of each pass is 15 mm-25 mm, through the longitudinal held angles of +/- (5-15 degrees) of the wide-rotating steel ingot, a head is meshed in, and under manual lifting and pressing at a next pass, treading air-through operation is used; and (3) under manual swinging and pressing, the head is meshed in, pressing amount at each pass is head single-pass meshing-in amount, and treading air-through returning is carried out until the smooth pass is over. The rolling method has the advantages treading single-pass oblique rolling is used, dead head tilting caused ...

Method for preparing Fe-6.5 wt%Si compound block material with plasticity deformability

The preparation method of Fe-6.5 wt% Si composite block body material with plastic deformation capability includes the following steps: (1) making the prepared Si-Fe composite powder undergo the process of SPS sintering treatment to obtain block body material whose thickness is 1.5-2mm, its sintering condition is as follows: sintering temp. is 500-600 deg.C, heat insulating time is 1-5 min., heating rate is 150 deg.C/min., sintering pressure is 30-60 MPa and vacuum degree is less than or equal to 6 Pa; and (2). repeatedly rolling the sintered block material to obtain the sheet material whose thickness is about 0.3 mm. and said rolling process can be implemented at room temperature.

Liquid carbon dioxide punching fracturing coal seam simulation test system

The invention discloses a liquid carbon dioxide punching fracturing coal seam simulation test system, which comprises a main body model, a punching feeding system, a punching execution system and a punching liquid supply and discharge system, a punching interface is arranged in the middle of the right side of the main body model in a penetrating manner, and a flange plate is mounted outside the punching interface; a punching feeding system composed of a hydraulic servo control system and a hydraulic cylinder is adopted for punching feeding, the control precision is high, and operation is convenient; a punching execution system composed of a central pipe column, an outer-layer pipe column and a nozzle is used for feeding and discharging punching liquid, and the punching execution system can synchronously advance and retreat, so that the spraying distance of the nozzle is adjusted, and punching fracturing simulation tests of different spraying distances can be carried out; the central pipe ...

Test piece box module for large-scale thickened oil recovery test

The invention discloses a test piece box module for a large-scale thickened oil recovery test, heat insulation cotton and tin foil paper are arranged in a test box body, the size of the inner space of the test box body is 1000 mm long, 400 mm wide and 400 mm high, a bottom layer, an oil sand reservoir and a cover layer are sequentially pressed and laid in the test piece box body from bottom to top in a layered mode, and the heights of the bottom layer, the oil sand reservoir and the cover layer are 160 mm, 75 mm and 165 mm respectively; two screen pipes, 75 temperature sensors and a pressure sensor are buried in an oil sand reservoir, a vertical screen pipe is used as a gas injection screen pipe for simulating a vertical well, the height of the vertical screen pipe is 70 mm, a horizontal screen pipe is used as a production screen pipe for simulating a horizontal well, and the length of the horizontal screen pipe is 950 mm; the three liquid injection channels are arranged on the side wall ...

Spectrum analysis method

The invention relates to a spectrum analysis method, which comprises the following steps of: A1, establishing an analysis model, namely exciting an unknown sample to acquire atomic spectrum information, selecting a modeling standard sample corresponding to an element from standard samples for modeling according to the spectrum information of the unknown sample, and establishing the analysis model between element content/induction content and spectrum line data according to the modeling standard sample; and A2, analyzing the unknown sample, namely substituting the spectrum line data of the unknown sample acquired from the spectrum information into the analysis model to obtain the content of the corresponding element in the unknown sample. The spectrum analysis method has the advantages of accurate analysis, small regression error, convenience of operation and the like.

Combined cycle power generation system utilizing gas and natural gas pipe network pressure energy

The invention provides a combined cycle power generation system utilizing gas and natural gas pipe network pressure energy. The system comprises a pressure energy power generation device and a gas turbine; a smoke waste heat recycling device is arranged between the pressure energy power generation device and the gas turbine. According to the combined cycle power generation system utilizing gas and natural gas pipe network pressure energy, the gas turbine and an expansion powder generator are creatively combined, the gas and pressure energy combined cycle power generation technology is provided, the natural gas power generation efficiency is improved, and application of the gas turbine solves the problem that most natural gas regulation stations cannot utilize waste heat and achieves the aim that pressure energy of a natural gas regulation station can efficiently generate power and can be efficiently utilized. The gas turbine is arranged on the natural gas regulation station, and the energy ...

Catalytic cracking slurry oil purifying agent for producing oil-based needle coke and preparation method of catalytic cracking slurry oil purifying agent

The invention discloses a catalytic cracking oil slurry purifying agent for producing oil-based needle coke and a preparation method of the catalytic cracking oil slurry purifying agent. Comprising the following components in parts by weight: 30-50 parts of an adsorbent, 5-10 parts of a synergist, 5-10 parts of a synergistic aid and 30-50 parts of a solvent. The catalytic cracking oil slurry purifying agent is an oil-soluble product, so that the catalytic cracking oil slurry purifying agent can directly act on an oil phase, is small in dosage, short in acting time and relatively simple in using method, can effectively remove catalyst powder in catalytic cracking oil slurry, and is a relatively good pretreating agent for producing an oil-based needle coke pretreating raw material.

Decryption method and mobile terminal

The invention provides a decryption method and a mobile terminal, and relates to the field of communication. The purpose of improving the session safety of the mobile terminal is achieved. The method comprises the steps that a cipher text contained in information of session records of a current session is decrypted to obtain a plain text corresponding to the cipher text, and the cipher text is replaced with the plain text for display. The decryption method is applicable to communication software, and a batch of encrypted information can be decrypted under the one-to-one session or multi-user session scene.

Efficient parts of hydrangea paniculata, their preparing method and compositions and use thereof

The invention discloses a significant position extracted from hydrangea paniculata sieb and the method for producing it, medical compounds containing such position, and the usage of it, especially in producing drugs for preventing and/or curing kidney incompetence, high blood pressure and diabetes, kidney disease.

TV station logo training method and identification method

The invention provides a TV station logo training method and an identification method. The TV station logo training method comprises the following steps of: (1) determining the external rectangle of a station logo in a training video according to a frame difference method; (2) carrying out edge detection on the external rectangle of the station logo to obtain edge points of the station logo; and (3) calculating distance transformation matrix Df of the station logo according to the edge points of the station log. According to characteristics obtained by the TV station logo training method, theposition of the station logo in the video is determined only by the single-frame video information of the video to be detected not by continuous multiframe video information in the identification process; moreover, under the conditions that the shape and the size of the station logo have subtle changes, the station logo still can be successfully identified.

Back brake shoe turning anchor clamps

Back brake shoe turning anchor clamps, including the base of disc shape, the base center is provided with the rest pin, the vertical direction of rest pin be provided with the recess, the rest pin horizontal direction run through and have tensioning mechanism, tensioning mechanism include sleeve, connecting plate, spiral shell rasp bar, clamping part, what the sleeve was rotatable wears to establish on the rest pin, and sleeve surface in the recess is provided with the clamping part, the sleeve both ends are provided with the screw thread and revolve to opposite spiral shell rasp bar, the connecting plate on be provided with first connection tooth and second connection tooth, the base on still be provided with locating pin and locating piece, locating piece evenly distributed around the rest pin. The utility model discloses a by the tensioning mechanism that sleeve, connecting plate, spiral shell rasp bar, clamping part are constituteed, the clamping is firm, and convenient operation has ...

Pre-coated composite texture film, preparation method and application thereof and composite floor

The invention provides a pre-coated composite texture film, a preparation method and application thereof and a composite floor, and belongs to the technical field of composite floors. Through effective combination of the elastic backing material, the high-molecular printing layer, the high-molecular transparent wear-resistant layer and the radiation curing coating, the problem that the texture is not clear when a traditional pre-coating film is applied to an online laminating process can be solved. And after the elastic backing material is added, the problem that the production process is difficult to control can be solved when the pre-coating film and the PVC substrate are laminated on line, and the synchronous registration process is better realized. In addition, the problem that WPC cannot be produced on line can be solved, many tedious production processes are omitted, and the production cost is greatly reduced.

EXPERIMENTAL SYSTEM FOR RESEARCHING IMPACT DYNAMICS IN LIQUID CARBON DIOXIDE PHASE-TRANSITION JETTING PROCESS

An experimental system for researching impact dynamics in a liquid carbon dioxide (C02) phase-transition jetting process includes a CO 2 pressurizing and liquefying system, a liquid CO2 phase-transition jet forming and monitoring system, and a remote control and data acquisition system. The liquid CO 2 phase-transition jet forming and monitoring system includes a constant temperature and humidity chamber, a liquid CO 2 phase-transition jet forming device, a device for testing an impact stress of the liquid CO 2 phase-transition jet, a device for testing a flow form of the liquid CO 2 phase-transition jet, and a chamber environment testing device. The chamber environment testing device includes a humidity sensor and a second temperature sensor, and is used to test a change law of an ambient temperature and humidity in the constant temperature and humidity chamber. The present invention allows research on impact dynamic parameters such as the flow form, a jet pressure and a stress of an impacted object, an influencing factor, and a change law of the liquid CO 2 phase-transition jet without using a static and dynamic loading device or coal-rock sample, thus promoting development of a basic theory and application technology. 1/2 100 200 300 FIGl 7 3 5 24# / \ 3# # 1# 0 FIG2

Fast positioning method for video events from rough state to fine state

The invention discloses a fast positioning method for video events from rough state to fine state, comprising the following steps of: roughly matching an inquired event with an actual video to obtain the start and ending points for dividing the actual video time, extracting an interesting region of each frame of image in the actual video to finish space division of the actual video, performing space division and time division to the actual video to obtain a series of interesting time bodies, finely matching the interesting time bodies with the inquired event to construct a relative body, using a global significance test to identify whether each interesting time body has the event related to the inquired sample on the relative body, and finally, using a post-process method to control the time region positioning and displaying around the best matched obvious points. The method adopts the roughly matching method to remove large amount of irrelevant time regions to effectively reduce the matching ...

Clothing with manual temperature reducing device

The invention relates to clothing with manual temperature reducing device, including upper western style garments, western style pants, upper casual garments, pants, jackets, vests, waistcoats, skirts, dresses, short pants, brassieres, hats, collars, waist protectors, leg protectors and the like. The inner side of each type of clothing is provided with a plastic hose which can be communicated, an external connection loop tube device can be easily connected with such containers with cold water as mineral water bottles, and a one-way balloon can be squeezed with external force to circulate cold water in one way, thereby reducing the temperature. The clothing has the advantages that the shell temperature can be reduced simply in hot circumferences just by means of squeezing the one-way balloon, an innovative manner is provided for the clothing industry, and the clothing is simple and convenient to manufacture and use.

Stirring device achieving internal electromagnetic induction heating function

The invention discloses a stirring device achieving the internal electromagnetic induction heating function. The stirring device comprises a magnetic field generator, a coil and a heating magneton. The coil is a planar coil or a cylindrical coil and is located above the magnetic field generator and used for generating an alternating magnetic field. The heating magneton comprises a metal induction sheet and a stirring magneton body. The metal induction sheet is annular or tubular and is located outside the stirring magneton body and fixedly connected with the stirring magneton body. The frequency of current passing through the coil is 20-60 kHz, and the instantaneous value of the current is 0.5-20A. The diameter of the metal induction sheet is 20-100 mm. The metal induction sheet is made of ferromagnetic metal or non-ferromagnetic metal and can be covered with a corrosion-resistant protective layer. The protective layer is made of fluoroplastics or quartz glass or glass or ceramic. By the ...

Water-based ink wastewater treatment process

The invention provides a water-based ink wastewater treatment process which uses micro electrolysis method and comprises the following steps: a) ink wastewater pretreatment, b) activation treatment of waste cast iron chip, c) micro electrolysis treatment of ink wastewater and d) neutralization and precipitation. The water-based ink wastewater treatment process is simple in operation, the chroma removing rate and COD removal rate of the ink wastewater are very high, the processing cost is greatly reduced by treating wastes by use of waste, and the process has the very high application value.

Manufacturing method and preparation device of fish protein organic fertilizer

The invention discloses a preparation method and a preparation device of a fish protein organic fertilizer in the technical field of organic fertilizer production, and the preparation method of the fish protein organic fertilizer comprises the following steps: step 1, preparing minced fillet: cutting up fish processing waste which is unfrozen by running water, and chopping into minced fillet by adopting a beater; step 2, preparing a fermentation substrate: weighing 60g of minced fillet, putting the minced fillet into a triangular flask, adding 20ml of water for binding, and performing pasteurization after binding to obtain the fermentation substrate; step 3, adding a solvent: adding a separately sterilized glucose solvent into the fermentation substrate; step 4, fermentation and fertilizer preparation: inoculating pediococcus pentosaceus into the fermentation substrate, placing the fermentation substrate in a fertilizer preparation device, carrying out rotary fermentation for a certain ...

Preparation method for metal base fuel battery bipolar plate with hydrophobicity

The invention relates to a preparation method for a metal base fuel battery bipolar plate with hydrophobicity. The preparation method for the metal base fuel battery bipolar plate with hydrophobicity is characterized in that the method comprises the following steps: (1) surface polishing treatment is carried out on a metal plate with flow field as to obtain the polished metal plate with flow field; (2) a layer of compact thin film is prepared on the surface of the polished metal plate with flow field so as to obtain the metal plate with the compact thin film; (3) a layer of thin film with nanometer micro-convex is deposited on the surface of the metal plate with the compact thin film to obtain a metal plate with the compact thin film and nanometer micro-convex thin film; (4) electrical conductivity regulation is carried out on the surface the metal plate with the compact thin film and nanometer micro-convex thin film to prepare a layer of film with good electrical conductivity inheriting ...

Headspace gas chromatography detection method of residual solvents in macroporous resin extract

The invention discloses a headspace gas chromatography detection method of residual solvents in a macroporous resin extract, which can be used for simultaneously measuring normal hexane, benzene, methylbenzene, methylcyclohexane, dimethylbenzene, styrene and divinylbenzene in the macroporous resin extract. The method comprises the following steps of: (1) carrying out tests of chromatographic conditions and system suitability; (2) preparing a comparison product solution; (3) preparing a test product solution; and (4) measuring. The specificity, the system suitability, the linearity, the precision, the minimum detection limit, the recovery rate, and the like of the method all meet the requirements of drug quality standard analysis method verification and guiding principles in the first appendix of the Chinese pharmacopoeia (Version 2005).

Preparation method of novel copper conductive printing ink

The invention provides a preparation method of a novel copper conductive printing ink. The preparation method comprises following steps: a) material selection and preparation; b) copper powder preprocessing; c) mixed material processing; d) texture adjusting; and e) finished product postprocessing. Procedures of the preparation method are reasonable; the preparation process is scientific and convenient; cost is moderate; the novel copper conductive printing ink possesses excellent electrical conductivity, moulding effect, adhesive force, and high temperature oxidation resistance, and is suitable to be made into printed circuits with different sizes.

Novel copper conductive printing ink

The invention provides a novel copper conductive printing ink. The novel copper conductive printing ink is prepared from following main raw materials: 45 to 55% of copper powder, 20 to 25% of an adhesive, 10 to 15% of a solvent, 4 to 6% of a coupling agent, and the balance an additive. IIngredient supplement of the novel copper conductive printing ink is reasonable; preparation cost is low; and the novel copper conductive printing ink is excellent in conductive performance and adhesive force, possesses excellent high temperature oxidation resistance, and is capable of satisfying moulding demands of a plurality of printed circuits.

Mobile terminal and vehicle-mounted terminal interconnection information system and implementation method

The invention relates to the field of vehicle mounting interconnection, in particular to a mobile terminal and vehicle-mounted terminal interconnection information system and an implementation method. The mobile terminal and vehicle-mounted terminal interconnection information system comprises a vehicle-mounted terminal, wherein a vehicle-mounted processing module for processing vehicle mounting information is arranged in the vehicle-mounted terminal; the vehicle-mounted processing module is connected with a terminal mapping module for interconnecting the vehicle-mounted terminal with a mobile terminal and performing synchronous display; the terminal mapping module is connected with the mobile terminal; and the vehicle-mounted terminal shares the network of the mobile terminal through the terminal mapping module. Vehicle information is acquired through the vehicle-mounted processing module, and is transmitted to the mobile terminal for processing and displaying. Vehicle state information ...

Apparatus for measuring angle perturbation of inertia system and uses thereof

The invention discloses an inertia system angle perturbation measuring device and application of the device. The device consists of 12 linear acceleration sensors which form 6 measuring units in pairs; each measuring unit is provided with 2 linear acceleration sensors which are installed on the same plane; the sensitive axes of the 2 linear acceleration sensors are in parallel, and the sensitive center connecting lines are vertical to the sensitive axes of the 2 linear acceleration sensors; every two measuring units are as one group; the angle between the sensitive center connecting lines of the 2 measuring units in each group is 90 degrees; in addition, the sensitive center of one linear acceleration sensor of a measuring unit and the sensitive centers of the two linear acceleration sensors of another measuring unit are on the same straight line; the measuring units in pairs are respectively installed on three space planes which are mutually vertical. The sensitive centers of the three ...

Coal seam punching assembly for test

The invention discloses a coal seam punching assembly for a test. The coal seam punching assembly comprises a punching feeding system and a punching execution system. The punching feeding system comprises a servo motor and a lead screw nut mechanism. The punching execution system comprises a central pipe column, an outer-layer pipe column and a nozzle, the central pipe column is fixedly installed in the outer-layer pipe column and is coaxially arranged, the left end of the central pipe column is located outside the outer-layer pipe column and penetrates through the flange plate to extend into the punching connector, the nozzle is fixedly installed at the left end of the central pipe column, a punching liquid outlet pipe is further arranged on the flange plate in a penetrating mode, and the punching liquid outlet pipe is communicated with the outer-layer pipe column. A punching liquid outlet pipe is connected into an interlayer between the central pipe column and the outer-layer pipe column ...

Method for preparing Fe-6.5 wt% Si compound block material with plasticity deformability

Frame image brightness predictive coding method

Fractured rock mass mechanical response simulation test method in dynamic and static load complex environment

The invention discloses a simulation test method for mechanical response of fractured rock mass in a complex dynamic and static load environment. The method comprises the following steps: step 1, preparing a sample; 2, a multi-field coupling coal and rock mass dynamic disaster prevention and control technology simulation system is prepared for installation; step 3, applying true triaxial stress; 4, preparing and checking before the dynamic load is used; step 5, seepage test; 6, heating the rock mass sample by using an electric heating tube; 7, carrying out a dynamic load test; step 8, detecting and adjusting; step 9, replacing the rock mass sample; tenthly, repeating the fourth step to the eighth step; 11, performing other tests in the same group; and 12, ending the test. Through loading of different acting forces in the length direction and the graded dynamic load effect, the triaxial stress state of the underground reservoir and the mechanical response rule of the fractured rock mass ...

High voltage electric cable for composite optical fiber

The invention relates to a high voltage power cable of composite optical fiber, composed of a core and an outer protective sheath surrounding the core, wherein the core is composed of a conductor, an insulation layer and a metal shield layer from inner to outer, the conductor is provided with at least one channel, each channel is provided with at least one optical cable, the diameter of the channel is larger than the diameter of the optical cable, the optical cable is longer than the channel and is curved to be arranged in the channel, the optical cable can be partly drawn out from the truncation section of the cable and can be completely or partly returned into the channel. Via the cable, optical cables can be connected at the middle joint and the cable terminal of the power cable, to bearranged at the best position for detecting the ultrasonic wave generated by local discharge, and directly detecting the conductor temperature of the cable, to provide key state variables for load detection ...

提高果实硒含量的方法

... 本发明涉及一种提高果实硒含量的方法，它是在幼果期将液肥直接喷洒在果树的枝、叶、果上，吸收增高果品中硒含量。本发明科学简便易行，操作方便易控，能有效提高果品中的硒含量，易被人体吸收，而且对果树无任何抑制作用和不良反应。可广泛应用于枣、苹果、葡萄、桃、杏、板栗、核桃、梨、香蕉等各种果树上。 ...

Indisputable wedge stopper is prevent wind to horizontal electric power hydraulic pressure

The utility model discloses an indisputable wedge stopper is prevent wind to horizontal electric power hydraulic pressure, including impeller, end support, frame board, axis of rotation, first lever, second lever, connecting rod, fixed supported slab, adjusting bolt, spring, voussoir. A serial communication port, the impeller level is fixed to be set up on end support, and first lever rotates the output of connecting at the impeller, and the second lever rotates to be connected on first lever, and the connecting rod rotates to be connected on the second lever, and the voussoir rotates to be connected on the connecting rod, the frame board is fixed in end support one side, and first lever and the 2nd lever connection department are provided with the axis of rotation, and the axis of rotation other end rotates to be connected on the frame board, rotates on the connecting rod and is provided with the fixed supported slab, is connected with adjusting bolt and spring on the fixed supported slab ...

Middle joint of high voltage electric cable for connecting composite optical fiber and connecting method

The invention relates to an intermediate connector of an optical fiber composite high-voltage cable, which comprises a conductor connecting member, an insulating and stress balancing unit and a metal outer case, wherein the conductor connecting member is a pipe with one longitudinal H-shaped section, the middle part of the pipe is equipped with a partition board, two sides of the partition board are cavities communicated with the outside, two conductor ends of the high-voltage cable can be respectively disposed in the cavities on the two sides of the partition board inside the conductor connecting member, the outside of the conductor connecting member is sequentially connected with the insulating and stress balancing unit and the metal outer case, and the partition board is equipped with at least one passage contained in the high-voltage cable conductor for penetrating with an optical cable. The intermediate connector realizes electrical and optical connection of the optical fiber composite ...

Air shaft set water-collecting well hydraulic communicating valve device

The invention relates to an air shaft set water-collecting well hydraulic communicating valve device. The air shaft set water-collecting well hydraulic communicating valve device is installed on a subway tunnel water-collecting well drainage communicating pipe opening and comprises a floating barrel insertion plate and an insertion plate frame, wherein the floating barrel insertion plate is a square insertion plate with a floating barrel, the insertion plate frame is a frame with a U-type insertion groove, and the square insertion plate of the floating barrel insertion plate is inserted into the U-type insertion groove of the insertion plate frame and moves vertically in the insertion groove. The side length of the floating barrel insertion plate equals the diameter of the drainage communicating pipe opening, and the height of the insertion plate frame equals two times the diameter of the drainage communicating pipe opening. When rainwater does not flow into a water-collecting well, the ...

Axial gas seepage test system under multi-field coupling condition

The invention discloses an axial gas seepage test system under a multi-field coupling condition, which comprises a main body model, a methane gas cylinder, a gas booster pump, a gas storage tank, a pressure reducing valve and a gas pressure gauge are sequentially connected to a gas inlet pipeline of the main body model, and a gas-liquid separator, a dryer and a gas flowmeter are sequentially connected to a gas outlet pipeline on the right side of the main body model. Four fluid injection channels are arranged at the bottom of a box body of the main body model, and each fluid injection channel is provided with a set of outlet flow meters with the measuring ranges of 500ml/min, 5000ml/min and 30L/min for selective installation so as to record outlet flows of different orders of magnitude, and then permeability is analyzed. Gas is fed into the lower part, and multi-point seepage is realized through a multi-fluid injection channel; by adopting the structural combination of the anti-fluid channeling ...

Marine engine control method and system and readable storage medium

The invention provides a marine engine control method and system and a readable storage medium, and relates to the technical field of marine engines. According to the marine engine control method provided by the embodiment of the invention, an engine is controlled to be started in a traditional combustion mode and runs to an idling working condition, and the engine is started in the traditional combustion mode; after a carbon neutralization operation mode instruction is received and a preset condition is met, the engine is controlled to ignite the methanol fuel with the methanol fuel as the fuel and biodiesel as the ignition agent, and the fuel type can be flexibly selected according to requirements in the operation process of the engine. The application scene requirement of greenhouse gas zero emission in the carbon neutralization mode operation process is met, and meanwhile combustion operation of methanol fuel is more stable.

Water-soluble inner-printing composite plastic ink

The invention discloses water-soluble inner-printing composite plastic ink which comprises the following components in parts by mass: 25-40 parts of water-soluble acrylic acid modified resin, 0.3-0.8 part of water-based non-silicon defoaming agent, 0.2-0.5 part of foam inhibitor, 2.5-8.0 parts of water-based paint, 0.5-1.5 parts of thickener, 0.5-2.0 parts of adhesion promoter, 0.3-0.8 part of polyethylene wax powder, 1.2-3.0 parts of extinction powder, 3.0-8.0 parts of extinction liquid, 0.5-1.5 parts of dispersing agent, 0.8-2.0 parts of antistatic agent and 30-50 parts of deionized water. The ink disclosed by the invention is non-toxic and harmless, produces no volatile organic gas, has favorable mechanical property and admirable color rendering property, and has excellent adhesion fastness to a low-surface-tension plastic film; and the drying rate can be up to 180m/min.

Apparatus for measuring angle perturbation of high insulation degree inertia system and uses thereof

The invention discloses a high-isolation inertia system angle perturbation measuring device and application of the device. The measuring device consists of 2 linear acceleration sensors which are installed on the same plane; the sensitive axes of the linear acceleration sensors are in parallel, and the connecting line of the sensitive center is vertical to the sensitive axes of the 2 linear acceleration sensors. The measuring unit can measure the instantaneous angular acceleration of the rigid body with plane motion. With high measuring speed and occupation of few controller resources, the invention is very good for real time control to the inertia system and plays a good role in eliminating perturbation of a carrier to the inertia system. The invention is small and light-weighted, nearly has no impact on the physical structure of the inertia system, is convenient to be installed and debugged, has good reliability, and can improve the overall performance of the inertia system.

Dual heating mode flash sintering method combining current heating with radiant heating

Medicine for curing tooth-ache and preparation process thereof

Small-range tunnel horizontal plane model tester system for realizing multistage and master control loading

The invention relates to a small-range tunnel horizontal plane model tester system for realizing multistage and master control loading, comprising a loading inside casing realizing direct applying and load transferring, a reaction frame outline border providing test reaction support and a bolt machinery meshed jacking and high-sensitivity pull pressure sensor measurement cooperating combined loading device, wherein the reaction frame outline border and the loading inside casing are connected by the loading device to form an integral box system; the loading inside casing employs an iterative structure of a wood board and a steel board; steel balls and self-locking screws are distributed on the wood board; a square well-shaped steel tube in the reaction frame outline border is pressed on an organic glass cover board; a bottom loaded plate is arranged on the bottom of the whole system; a bolt and a high-strength nut in the loading device are in cooperative installation; and one end of the ...

High -efficient printing ink grinds machine

The utility model discloses a high -efficient printing ink grinds machine, including airtight casing, carousel mill, one -level grinding roller, second grade grinding roller, first reduction gear, second reduction gear, first motor, second motor and third motor, the carousel mill includes connector plates, first grinding rod, second grinding rod and rotary disk, and the third motor passes through the rotary disk and is connected with the carousel mill, 2 on roller is ground to the one -level, is located respectively between first grinding rod and the airtight casing, and the second grade grinds 2 on roller, is located respectively between first grinding rod and the second grinding rod, first motor links to each other with one -level grinding roller, the second motor links to each other with second grade grinding roller, the one -level is ground to establish between roller and the second grade grinding roller and is established the material export between the matter entrance, 2 second grade ...

Preparation method and application of Co-CoC2O4-Co electrode supported by foamed nickel

The invention discloses a preparation method of a foamed nickel supported Co-CoC2O4-Co electrode and application of the foamed nickel supported Co-CoC2O4-Co electrode in catalysis of sodium borohydride electrooxidation. The method comprises the following steps: loading cobalt on foamed nickel by adopting an electro-deposition method, then etching by using oxalic acid, and finally reducing elemental cobalt on the surface of the foamed nickel by using sodium borohydride to obtain a Co-CoC2O4-Co/Ni Foam electrode, and assembling the Co-CoC2O4-Co/Ni Foam electrode on a cylindrical rotating bed to improve the electro-oxidation performance of the sodium borohydride. The electrode material is not doped with noble metal, is low in price and is suitable for industrial application; the electrooxidation performance of the NaBH4 is improved by utilizing the synergistic effect among the elemental cobalt, the cobalt oxalate and the cobalt oxide, so that the NaBH4 becomes a very potential electrode; the ...

Flexible carbon cloth supported porous Pd metal electrode and preparation method and application thereof

The invention belongs to the technical field of electrocatalytic reduction, and provides a flexible carbon cloth supported porous Pd metal electrode and a preparation method and application thereof in order to improve the Pd metal utilization rate and the electrode catalytic performance and reduce the catalyst cost, and the electrode is applied to catalytic hydrogen peroxide electroreduction. A porous Pd metal electrode is prepared on a flexible carbon cloth substrate by adopting an impregnation reduction method and a dealloying process. In the preparation process, a mixed solution of PdCl2 and FeCl3 is used for dipping flexible carbon cloth, then reduction is carried out through NaBH4, a compound of Pd and Fe is formed on the surface of the carbon cloth, then Fe is removed through the dealloying process, porous Pd with a high specific surface area is formed, and the porous Pd has excellent catalytic activity on H2O2 electroreduction. The preparation process is simple, a binder is not used ...

Medicine for curing tooth-ache and its preparation

The Chinese medicinal preparation has in its components seedpod of lotus, Radix Ledebouriellae, Radix puerariae, scutellaria, Radix rhizoma rhei and licorice. The preparation process includes raw material mixing, crushing, packing into cotton bag, soaking in water and heating to obtain leachate as medicinal preparation.

Organic luminescent material 4, 6-diphenyl-2, 2'-dipyridyl platinum (II) alkyne coordination compound, synthesis method and application thereof

The invention provides a 4, 6-diphenyl-2, 2'-dipyridyl platinum (II) alkyne coordination compound organic luminescent material, preparation method and application thereof. The invention takes 4, 6-diphenyl-2, 2'-dipyridyl platinum (II) chlorine coordination compound as raw material, under the action of tri-isopropyl amine and koper iodide, the coordination compound and terminal aryne take coordination substitute reaction in dichloromethane for 20-50 hours, so as to obtain series of 4, 6-diphenyl-2, 2'-dipyridyl platinum (II) alkyne coordination compound. The coordination compound can be taken as organic luminescent material.

Method for notably improving low-temperature conductivity of Y2O3 stable ZrO2 ceramic material

Main body model for multi-field coupling coal and rock mass dynamic disaster prevention and control simulation test

The invention discloses a main body model for a multi-field coupling coal and rock mass dynamic disaster prevention and control simulation test, which comprises a main body high-pressure cavity module and a test piece box module, and is characterized in that a shell of the main body high-pressure cavity module is of a high-pressure closed pressure bin structure which is surrounded by a circular ring, a left circular end cover, a right circular end cover and bolts and has an outer circle and an inner circle; a front cushion block, a rear cushion block, an upper cushion block and a lower cushion block are respectively mounted on the front, rear, upper and lower parts of the inner wall of the circular ring, a rectangular cavity is defined by the front cushion block, the rear cushion block, the upper cushion block and the lower cushion block and is just used for placing a test piece box module, grooves are formed in the left and right sides of the top of the lower cushion block at intervals ...

Application of active component of cape jasmine for treating senile dementia

The present invention discloses an effective component extracted from gardenia fruit, it contains (by wt%) at least 50% of gardenoside. Said invention also discloses preparation method of said effective component, medicine composition containing said effective component and application of said effective component in preparation of medicine for preventing and/or curing senile dementia.

Road seals structure for municipal administration

The utility model discloses a road seals structure for municipal administration, including modular structure, and the cooperation is adjacent two built mast between the modular structure, modular structure includes the cradling piece that two symmetries set up, two it has the connecting rod to cooperate between the top of cradling piece the inboard of cradling piece is provided with more than onecover portion, two the cooperation has the side link between the cradling piece, the side link assigns into in the cover portion, through the side link cooperation has identification plates, identification plates's rear side position department is provided with the cooperation the ring portion that the side link was used, the lower extreme cooperation of cradling piece has a bottom plate, the sideof cradling piece is run through and is provided with the through -hole, the both ends of built mast are provided with the threaded portion, the threaded portion passes the through -hole, the threaded portion ...

Dual rigidity seal sleeve type regulating valve with flexible structure

The invention belongs to a pressure balance type seal structure for a valve and specifically relates to a dual rigidity seal sleeve type regulating valve with a flexible structure. The dual rigidity seal sleeve type regulating valve comprises a valve body, wherein a valve seat is arranged in the valve body, a flexible dual rigidity seal valve element assembly is arranged on the valve seat, a sleeve is fixed on the flexible dual rigidity seal valve element assembly, the valve body is fixedly connected with a valve cover through a medium flange bolt, and a valve rod penetrates a medium through hole in the valve cover to be connected with the flexible dual rigidity seal valve element assembly. The dual rigidity seal sleeve type regulating valve with the flexible structure has the advantages that by means of a valve core structure, the valve simultaneously satisfies multiple complex requirement combined action working conditions such as large diameters, high temperatures, high pressure, high ...

Board -like fire prevention valve turns over with double -deck valve body

The utility model discloses a board -like fire prevention valve turns over with double -deck valve body, including valve body, blade and drive the actuating mechanism of blade, the valve body is the shaped as frame, the deckle board of valve body is the double -deck PLASTIC LAMINATED of superpose, the inlayer PLASTIC LAMINATED and the outer PLASTIC LAMINATED of deckle board are in the four corners department dislocation overlap joint of valve body forms " Z " shape seam. This fire prevention valve can prevent effectively that the high temperature flue gas from leaking from the PLASTIC LAMINATED butt joint to improve reliability and the sealing performance of fire prevention valve in its application system, had advantages such as simple structure, reliability height, but wide application in every profession and trade pipe -line system, especially nuclear power pipe -line system.

Computer keyboard and input method of Chinese character two-dimensional numerals

Single cylinder diesel pressurization system simulator

Method and system for controlling encryption of information and analyzing information as well as terminal

The invention discloses a method for controlling encryption of information. The method comprises the following steps: when a detected message is needed to be encrypted and sent, determining message contents to be encrypted; carrying out combination and encryption processing on the message contents to be encrypted and a time parameter for indicating a message decryption time limit to generate an encrypted data block; sending the message which carries the encrypted data block. The invention further discloses a method for analyzing the information. The method comprises the steps of detecting whether the message carries a ciphertext and time parameter information for indicating the message decryption time limit or not; if the message carries the ciphertext and the time parameter information for indicating the message decryption time limit, controlling to decrypt the ciphertext according to the time parameter. The method disclosed by the invention can be used for providing encryption control ...

Full -automatic printing ink filling line

The utility model discloses a full -automatic printing ink filling line includes the pulley transfer chain in proper order, goes up a bucket station, filling station, upper cover station, gland station and pulley positioner according to the production procedure, has still included electrical apparatus switch board and air -operated controller cabinet, on the filling station, install movable splashproof cover on the filling mouth, filling mouth top is installed and is taken out exhaust apparatus. The utility model discloses can carry out the filling to printing ink by automatic, save the manpower, improve production efficiency.

Gas outburst simulation test system capable of monitoring stress, temperature and gas pressure

The invention discloses a gas outburst simulation test system capable of monitoring stress, temperature and gas pressure, which comprises a main body model and a post-outburst solid gas treatment device, and is characterized in that three compacted raw coal powder layers are laid in a test piece box module at intervals up and down; a gas pressure sensor group, a stress sensor group and a temperature sensor group are sequentially arranged in the test piece box module at equal intervals from left to right, the arrangement number and position of each group of sensors are consistent, each group of sensors comprises eight sensors which are arranged in a coplanar manner, and the sensors are annularly and equidistantly divided into four rings by taking the X-direction central axis of the test piece box module as a circle center; the first ring and the third ring are respectively provided with two sensors located at the left vertex and the upper vertex, and the second ring and the fourth ring are ...

Mapping method for mismatched grids of variable strata and tunnel numerical model

The invention discloses a mismatching grid mapping method for a variant stratum and a tunnel numerical model, and relates to the field of probability analysis of a tunnel structure in an uncertain stratum, in particular to an automatic mapping method for solving the problem of grid mismatching of the variant stratum and the tunnel numerical model. According to the mismatched grid mapping method for the variable stratum and the tunnel numerical model, the problem that a regular grid is not matched with a distorted grid in the tunnel numerical model during simulation of the variable stratum can be well considered; different soil body types of the variable stratum grid units can be automatically mapped into the tunnel numerical model, and technical support is provided for follow-up research of stratum variability on stress deformation analysis of a tunnel structure.

Computer keyboard and input method of Chinese character two-dimensional numerals

The present invention relates to a Chinese character two-dimension digital computer keyboard and its input method. It is characterized by that 25 keys of said computer keyboard are respectively code element symbols formed by two-dimensional combination and permutation of five kinds of basic strokes of the Chinese characters and key position symbols formed from frequently used radicals of the Chinese characters. The described key position symbols are basic code elements for keyboard entry. The above-mentioned every key has a correspondent two-dimension combined digital key number, and 26th keyof said keyboard is code truncation key. Said invention is simple, easy to learn, high in typing speed, rational in keyboard utilization and large character and word capacity.

Method for obtaining stream media link address

The invention relates to a technical field of downloading streaming media resources in a computer network technique and discloses a method for obtaining a chained address of streaming media. The method comprises the following processes: A. obtaining data packets of streaming media; B, judging whether an extension name of the streaming media content can be detected in the obtained data packets of streaming media, and carrying out step C provided that the extension name can be detected, otherwise shifting to step A; C. detecting a specific protocol head mark before the extension name of the streaming media content, and obtaining the chained address of the streaming media from a character string from the protocol head mark to the extension name. By adopting the invention, the chained address of the streaming media resources is obtained, thus effectively solving the problem that the chained address of the media content cannot be obtained and downloading cannot be carried out.

preparation method of silicon carbide water-base casting slurry containing alpha-silicon nitride whisker

High voltage power cable terminal and installation method thereof

The invention discloses a high-voltage electric power cable terminal, comprising a conductor terminal post, a high-voltage end, a ground end and an insulating unit; the insulating unit is arranged between the high-voltage end and the ground end; the conductor terminal post is arranged at the high-voltage end and is at least provided with an optical cable channel; the optical cable channel is arranged from the top part of a conductor cavity for containing the conductor terminal post and fixing the cable conductor to the outer surface of the conductor terminal post. The terminal can carry out terminal treatment of the cables of the optical fiber in the conductor and optical fiber extraction; the extracted optical fiber can be led to ground electric potential or is connected with the optical fiber at the high-voltage electric potential.

Application of skimming in the preparing process of medicine for preparing and treating kidney function failure

The present invention discloses the application of skimmin in preparing medicine for preventing and treating kidney incompetence. The present invention has the advantages of wide source and low toxic side effect.

Device, method and system for controlling rotation speed of motor

The present application discloses a device, method and system for controlling a rotation speed of a motor. The device includes: a reference voltage generating module generating a reference voltage; a PWM signal converting module converting a PWM signal into a voltage signal; a first comparator outputting a first level or a second level; a first switching element having a control terminal connected with an output terminal of the first comparator and a first terminal input with a first signal, and being turned on when receiving the second level and being turned off when receiving the first level; a follower having an input terminal connected with the PWM signal converting module; and a control signal outputting terminal outputting the first signal or the voltage signal. The device, method and system are capable of controlling the rotation speed of the motor to jump at a specific duty cycle.

Method and apparatus for generating dynamic wallpaper

The present disclosure discloses a method and apparatus for generating a dynamic wallpaper, including: a basic visual effect control parameter is initialized and a 3D transformation parameter is set; a background and particles are rendered based on the 3D transformation parameter and the basic visual effect control parameter to generate a dynamic wallpaper; the 3D transformation parameter and the basic visual effect control parameter are updated based on a touch mode and a touch position upon detection of a user's touch action on a screen; and the background and the particles in the dynamic wallpaper are re-rendered based on the updated 3D transformation parameter and basic visual effect control parameter. By means of the technical solutions of the present disclosure, the dynamic wallpaper generated according to the present disclosure can provide people with an intuitive effect of 3D depth motion particles and an interaction enjoyment, and have unique features in terms of user experience such as visual effect and interaction effect compared to existing static wallpapers and dynamic wallpapers. 1. A method for generating a dynamic wallpaper , comprising:initializing a basic visual effect control parameter;setting a 3D transformation parameter;rendering a background and particles based on the 3D transformation parameter and the basic visual effect control parameter to generate a dynamic wallpaper;upon detection of a user's touch action on a screen, updating the 3D transformation parameter and the basic visual effect control parameter based on a touch mode and a touch position; andre-rendering the background and the particles in the dynamic wallpaper based on the updated 3D transformation parameter and basic visual effect control parameter.2. The method according to claim 1 , wherein the basic visual effect control parameter comprises: an initial depth area claim 1 , a particle attribute claim 1 , and a disappearing depth area claim 1 , andwherein the particle ...

Multi-coating radiation-cured pre-coating film and preparation method thereof

The present application relates to the technical field of floor surface decoration materials, and particularly provides a multi-coating radiation-cured pre-coating film and a preparation method therefor. The first aspect of the present application provides the multi-coating radiation-cured pre-coating film, which sequentially comprises a flexible transparent film layer and a radiation-cured coating from bottom to top, wherein the radiation-cured coating sequentially comprises a radiation-cured elastic primer layer and a radiation-cured wear-resistant finish paint layer from bottom to top, the at least one radiation-cured elastic primer layer and the at least one radiation-cured wear-resistant finish paint layer are arranged, and the radiation-cured elastic primer layer equentially comprises a radiation-cured elastic wear-resistant primer layer and a radiation-cured elastic matte/bright primer layer from bottom to top. 1. A multi-coating radiation-cured pre-coating film , comprising a flexible transparent film layer and a radiation-cured coating sequentially from bottom to top , wherein the radiation-cured coating comprises at least one radiation-cured elastic primer layer and at least one radiation-cured wear-resistant finish paint layer sequentially from bottom to top , and each of the at least one radiation-cured elastic primer layer comprises a radiation-cured elastic wear-resistant primer layer and a radiation-cured elastic matte/bright primer layer sequentially from bottom to top.2. The multi-coating radiation-cured pre-coating film according to claim 1 , wherein a pretreatment layer used for pretreating a surface of the flexible transparent film layer is arranged between the flexible transparent film layer and the radiation-cured coating.3. The multi-coating radiation-cured pre-coating film according to claim 1 , wherein a bottom layer of the radiation-cured elastic wear-resistant primer layer is provided with a radiation-cured elastic adhesion primer layer.4. ...

Analysis sample preparation device and analysis sample preparation method

The invention discloses an analytical sample preparation device and an analytical sample preparation method, which comprises a base (), an elastic connection body (), a group of a synchronous unidirectional bearing inner ring () and a synchronous unidirectional bearing outer ring (), a group of an eccentric unidirectional bearing inner ring () and an eccentric unidirectional bearing outer ring (), and a synchronous fixed ring () and a motor () on the base (). The eccentric unidirectional bearing inner ring () is connected with an eccentric shaft () extending from a motor (). The eccentric unidirectional bearing outer ring () is fixed to an eccentric shaft sleeve (). The eccentric shaft sleeve (), the eccentric shaft (), the eccentric unidirectional bearing inner ring (), and the eccentric unidirectional bearing outer ring () have their center of mass disposed on a line extending from the center line of the motor (). The eccentric unidirectional bearing inner ring () and the eccentric unidirectional bearing outer ring () can only rotate in direction A, while the synchronous unidirectional bearing outer ring () and the synchronous unidirectional bearing outer ring () can only rotate in a direction opposite to direction A. 1. An analytical sample preparation device , comprising:{'b': '1', 'a base ();'}{'b': '5', 'an elastic connection body ();'}{'b': 41', '42, 'a group of a synchronous unidirectional bearing inner ring () and a synchronous unidirectional bearing outer ring ();'}{'b': 61', '62, 'a group of an eccentric unidirectional bearing inner ring () and an eccentric unidirectional bearing outer ring (); and'}{'b': 2', '31', '1, 'a synchronous fixed ring () and a motor () on the base (),'}{'b': 31', '2, 'wherein the motor () is positioned within a synchronous fixed ring (),'}{'b': 2', '41, 'wherein one end of the synchronous fixed ring () is fixed to the synchronous unidirectional bearing inner ring (),'}{'b': 42', '5, 'wherein the synchronous unidirectional ...

Method and System for Controlling Encryption of Information and Analyzing Information as well as Terminal

The present document discloses methods, systems and terminals for controlling encryption of information and analyzing information. The method for controlling encryption of information includes: determining a content of a message required to be encrypted when it is detected that the message needs to be encrypted and transmitted; combining and encrypting the content of the message required to be encrypted and a time parameter indicating a decryption time limit of the message to generate an encrypted data block; and sending the message in which the encrypted data block is carried. 1. A method for controlling encryption of information comprising:determining a content of a message required to be encrypted when it is detected that the message needs to be encrypted and transmitted;combining and encrypting the content of the message required to be encrypted and a time parameter indicating a decryption time limit of the message to generate an encrypted data block; andsending the message in which the encrypted data block is carried.2. The method according to claim 1 , whereincombining and encrypting the content of the message required to be encrypted and the time parameter indicating the decryption time limit of the message to generate the encrypted data block comprises:performing a first encryption process on the content of the message required to be encrypted to generate a content ciphertext; and combining the content ciphertext and the time parameter into a composite data block, and performing a second encryption process on the composite data block to generate a composite data block ciphertext, using the composite data block ciphertext as an encrypted data block to be sent; orcombining the content of the message required to be encrypted and the time parameter indicating the decryption time limit of the message into a composite data block, and performing a third encryption process on the composite data block to generate a composite data block ciphertext, using the composite ...

Analysis sample preparation device and analysis sample preparation method

Device, method and system for controlling rotation speed of motor

The present application discloses a device, method and system for controlling a rotation speed of a motor. The device includes: a reference voltage generating module generating a reference voltage; a PWM signal converting module converting a PWM signal into a voltage signal; a first comparator outputting a first level or a second level; a first switching element having a control terminal connected with an output terminal of the first comparator and a first terminal input with a first signal, and being turned on when receiving the second level and being turned off when receiving the first level; a follower having an input terminal connected with the PWM signal converting module; and a control signal outputting terminal outputting the first signal or the voltage signal. The device, method and system are capable of controlling the rotation speed of the motor to jump at a specific duty cycle.

Method for preparing composite material containing ultra-wear-resistant and easy-to-clean PVC pre-coating film

The present application relates to the technical field of a floor composite material, and more particularly, the present application provides a composite material containing a PVC pre-coating film and a preparation method therefor. In the first aspect, the present application provides the method for preparing the composite material containing the PVC pre-coating film. The method comprises preparing the PVC pre-coating film by utilizing a PVC transparent film layer and a radiation-cured coating; performing high-temperature press fit on the PVC pre-coating film, a substrate material and a printed decorative layer; and then performing cooling and forming treatment to obtain the composite material containing the ultra-wear-resistant and easy-to-clean PVC pre-coating film.

Machine learning engine implementation method and apparatus, terminal device, and storage medium

A method for implementing a machine learning engine and apparatus, a terminal device (50), and a storage medium (60) are disclosed. The apparatus may include: a core learning application module (101) with an independent application process and a prediction output service module (102) located in the system process (100); the core learning application module (101) is configured to output a prediction result generated by machine learning to the prediction output service module (101); and the prediction output service module (102) is configured to buffer the prediction result when receiving the predictions result sent by the core learning application module (101).

Method and system for controlling encryption of information and analyzing information as well as terminal

Composite pre-coating film and preparation method thereof, and composite floor

The present disclosure relates to the technical field of B29D7/01, and more particularly to a composite pre-coating film and a preparation method thereof, and a composite floor. The preparation method includes the following steps: laminating a polymeric printing film, a polymeric transparent film, and a radiation-cured coating A in sequence. In the present disclosure, the composite pre-coating film has multiple functions through a composite structure design. The radiation-cured coating A provides a desirable abrasion and scratch resistance and gloss; the polymeric transparent film provides an abrasion resistance and flexibility; and the polymeric printing film provides a color pattern effect. After being embossed by an embossing roller, the composite pre-coating film has a three-dimensional simulated pattern effect, as well as excellent wear resistance, scratch resistance, and stain resistance, and can be used to prepare a composite floor with various wood-plastic structures.

Double-coated radiation curing pvc pre-coating material and preparation method thereof

This invention provides a double-coated radiation curing PVC pre-coating material, which includes the PVC transparent film and the radiation curing coating from bottom to top, and the radiation curing coating includes the elastic attached base coat and the top coat from bottom to top.