190results about How to "Highly easy to control" patented technology

The invention discloses a deign method of a light-type controllable lens with double freeform surfaces. The method comprises the following steps of: taking a light source as an origin of coordinates according to an energy equal division principle to divide a three-dimensional space of the light source into gridding graphs according to latitudes and longitudes, wherein the gridding graphs have the equal luminous fluxes and the latitudes and the longitudes are crossed; dividing a target surface into grid regions with equal areas and equal luminous fluxes; and distributing two times of deflection angles of lights on inner and outer surfaces of the lens with the double freeform surfaces according to the symmetrical characteristic of the target surface of the lens with the double freeform surfaces to be designed and a pre-set function relation between the inner and outer surfaces or through a direction of incidence lights of the lens and a direction of final outgoing lights, which are obtained by dividing the light source and the target surface, and then designing. The inner and outer surfaces of the lens with the double freeform surfaces can be designed into different shapes which are applicable to different packaging requirements; the control of light beams is realized through the inner and outer surfaces, thereby meeting various different illumination requirements and realizing various different illumination effects.

The invention discloses a method for manufacturing a porous diamond or porous cubic silicon carbide self-supporting film. The method comprises the steps that a base material is provided, and surface of the base material is pretreated to obtain a higher diamond-shaped nuclei rate; the pretreated base material is put into a microwave plasma chemical vapor deposition or hot filament chemical vapor deposition reactor, and at the temperature of 600 DEG C to 900 DEG C, a diamond / cubic silicon carbide composite film is manufactured; selective etching is performed on the obtained composite film, at the temperature above 70 DEG C, the composite film is etched in mixed corrosion liquid of hydrofluoric acid and nitric acid, and the porous diamond self-supporting film is obtained, at the temperature above 500 DEG C, the composite film is heated in the air containing oxygen gas, and the porous cubic silicon carbide self-supporting film is obtained. Under the condition that any template and any electrode material are not used, the obtained porous diamond self-supporting film and the porous cubic silicon carbide self-supporting film have the controllable aperture, the controllable porosity and the controllable thickness, and the method is suitable for industrial application and fundamental research.

The invention discloses graphene with a folded structure. The structure of the graphene is formed by shrinking the graphene in a liquid phase environment to form ups and downs on the surface, wherein the folded parts are cone-shaped, and the height, width and distribution density of the folded parts are uniform and controllable. The folded parts can be formed in the processes of preparing the graphene and transferring the graphene to a target substrate, and are formed randomly and uncontrollably, but the folded structure formed controllably in a liquid phase, disclosed by the invention, can solve the problems. The invention realizes a novel graphene folded structure and provides a method for preparing the structure simply, conveniently and quickly on a large scale, and the graphene folded structure can be used in the fields of new energy resources, sensors, flexible electronic devices and the like.

The invention discloses a method for bipolarly and electrochemically synthesizing a Janus microsphere of a petal-shaped metal organic framework object ZIF-8 by virtue of ionic liquid. The method comprises the steps of dissolving an organic molecule ligand 2-methylimidazole into ionic liquid, putting the ionic liquid into a bipolar electrochemical synthesis tank, generating zinc ions on the surfaceof a zinc sphere anode by virtue of a bipolar electrochemical method by taking a zinc sphere as a bipolar electrode, and combining the zinc ions with 2-methylimidazole to form petal-shaped metal organic framework film, so as to realize the preparation of the Janus microsphere. Compared with a traditional direct electric synthetic method, the method has the advantages that the controllable preparation of a Janus microsphere material can be realized by randomly selecting electro-deposition points on the surface of a microsphere material, and negative influence caused by hydrogen evolution reaction to a MOFs film in the preparation process is avoided. The method has the advantages that the cost is low, the device is simple, easy to operate and highly controllable, no toxic reagent is used inthe preparation process, the method is environment-friendly, and the like.

The invention provides a control system of a milling machine. The control system is used on the milling machine and comprises a controller and detection devices, wherein the controller is electrically connected with the detection devices; the controller can be used for controlling the running speed of the milling machine; the pavement milling width of the milling machine can be input or selected in the controller; the detection devices comprise a first detection device and a second detection device, wherein the first detection device is used for detecting the milling depth of the milling machine, and the second detection device is used for detecting the running speed of the milling machine; the controller can control the material delivery speed of the milling machine according to the milling material quantity of the milling machine. The control system with the structure can accurately calculate the milling material capacity of the milling machine in real time and can adjust the material delivery speed of the milling machine according to the milling material quantity and enable the delivery speed to be higher when the milling material quantity is larger. On the other side, the invention also provides the milling machine comprising the control system of the milling machine.

The invention discloses a spherical robot capable of jumping, and particularly relates to a spherical robot which can be used in a complex and variable environment, move in all the directions and jump. On a flat ground, the robot can make planar motions, namely the robot can achieve planar rolling and planar turning. When meeting an obstacle, the robot can cross the obstacle by jumping. The outer shape of the robot is spherical, the inner structure is designed to be simple and compact, and the robot can achieve jump. The jumping height can be adjusted according to the actual conditions when the robot jumps, the jumping direction can be adjusted, and the energy utilization rate is high. After jumping, due to the low gravity center and falling-resistant characteristic of the robot, the posture of the robot can be automatically adjusted.

The invention discloses an auxiliary teaching device for teaching. The auxiliary teaching device comprises a storage box and a concave base. A fixed mounting board, a writing board and a projection display screen are arranged inside the storage box; and a support bottom plate is fixedly connected to the lower end surface of the fixed mounting board. Guide rods are connected to the support bottom plate in a sliding manner by L-shaped connecting plates; the L-shaped connecting plates are fixedly connected with elastic pulling ropes; the elastic pulling ropes wind and connect upper guide wheels and lower guide wheels in a rolling manner successively; the elastic pulling ropes arranged symmetrically left and right wind a winding wheel III and a winding wheel I respectively and fixedly; a rotating shaft III and a rotating shaft I are fixedly installed at the winding wheel III and the winding wheel I respectively and fixedly; and the rotating shaft III and the rotating shaft I are connectedwith a driving shaft in a meshing driving manner by gear wheels and the driving shaft is fixedly connected with the output terminal of a driving motor. The lower end of the storage box is installed inan upper circular opening of the concave base; and universal wheels are fixedly installed under the lower end surface of the concave base. The auxiliary teaching device has advantages of great convenience of movement and fixation, high stability and good anti-knock performance; and the efficiency of existing-teaching-mode teaching and learning of the students and teachers is improved.

The invention discloses a low-odor type reed pulp black liquor combustion boiler and a combustion method thereof. The low-odor type reed pulp black liquor combustion boiler comprises a boiler body structure, an air supply structure in a hearth of the boiler body structure comprises a primary air supply duct, a secondary air supply duct and a tertiary air supply duct which are sequentially arranged from bottom to top; air outlets of the primary air supply duct is arranged on the front wall, the rear wall, the left side wall and the right side wall of the hearth; air outlets of the secondary air supply duct is arranged on the front wall and the rear wall of the hearth; air outlets of the tertiary air supply duct is arranged on the front wall and the rear wall of the hearth; and air inlet sections of the primary air supply duct and the secondary air supply duct are connected with an air preheater. Secondary air is fed in from the front wall and the rear wall alternatively, thus being beneficial to full mixing of air and smoke as well as black liquor particles, disturbing rising smoke, improving the turbulivity, enhancing the combustion, enabling the smoke to be uniformly distributed in the hearth, and improving the consistency of temperature field equal-altitude sections.

The invention belongs to the field of water pollution treatment and control, and especially relates to a fish-passing type sedimentation filtering basin capable of removing solid pollutant in rivers. Filtering walls and baffle walls are constructed in a river, the filtering walls, the baffle walls and the river banks form a sedimentation area and leaves a fish-passing channel, river water passes through the filtering walls and enters a downstream river channel, solid pollutants are intercepted at the sedimentation area and are deposited or floats upwards and removed, fish in river passes the fish-passing channel and swims towards the downstream or migrates towards the upstream. The fish-passing sedimentation filtering basin is directly constructed in the river, runs depending on river water flowing, is capable of effectively removing solid pollutants in the river channel, solves the river black and odorous problems, does not influence flood prevention and fish passing, and is low in investment and running cost.

The invention discloses safety and high-efficiency non-pollution sewage treatment equipment. The safety and high-efficiency non-pollution sewage treatment equipment comprises an aeration pump, a timer, a reaction box, photocatalyst tanks, light source, a rotary shaft, impellers, a sprayer, a filtering film assembly, an ultraviolet light lamp, a water outlet pipe, a motor and a water inlet pipe, wherein the light source is arranged at the side wall of the reaction box; the sprayer is arranged in the bottom end of the reaction box; the sprayer is connected with the aeration pump through an air conveying pump; a plurality of groups of photocatalyst tanks is arranged in the reaction box; the water inlet pipe is communicated with the top end of the reaction box; a water inlet pump is arranged on the water inlet pipe; the motor is fixedly arranged at the inner wall of the top end of the reaction box; an output shaft of the motor is connected with the rotary shaft; multiple groups of impellers are arranged on the rotary shaft; the filtering film assembly is arranged in the reaction box, and is connected with the water outlet pipe; a water outlet pump is arranged on the water outlet pipe; the ultraviolet light lamp is arranged at the inner wall of the reaction box. The safety and high-efficiency non-pollution sewage treatment equipment has the advantages that the structure is simple, the land occupation area and cost are effectively reduced, the energy-saving and environment-friendly effects are realized, the working efficiency is high, and the quality of drained water is high.

The invention discloses a liftable belt conveyor with double conveying belts for coal mining. The belt conveyor comprises a bearing bottom plate, two lifting assemblies and two conveying assemblies, wherein the two lifting assemblies are oppositely arranged on the upper surface of the bearing bottom plate, the two conveying assemblies are distributed up and down, the two conveying assemblies are arranged between the two lifting assemblies, and two sides of the conveying assemblies are provided with stretching assemblies; and the upper surface of the bearing bottom plate is fixedly provided with two fixing outer plates and two fixing inner plates. The upper conveying assembly can be driven to ascend and descend by rotation of a first motor to easily control the height of the upper conveyingassembly, so that requirements of coal transportation ports with different heights are met. The conveyor has the advantages of compact structure, small occupied space and convenient use. When the conveying belts of the conveyor stop rotating, the conveyor can be used as a lifting platform for vertical lifting operation. The conveyor has high applicability and various functions, so that the conveyor is worthy of promotion.

The invention relates to a capacitive module screen appearance detection system and method. The system comprises a front linear array scanning detection device, a front multi-light-source combined detection device, a front edge detection device, a back overall detection device, a first carrying platform, a second carrying platform, a first mechanical arm and a second mechanical arm. By arranging the front linear array scanning detection device, the front multi-light-source combined detection device, the front edge detection device and the back overall detection device, various defects of a capacitive module screen to be detected can be comprehensively detected, and the comprehensiveness and the accuracy of detection are ensured. In addition, the first carrying platform, the second carryingplatform and the mechanical arm are arranged to coordinate operation among the detection devices, and the detection efficiency of the whole detection process can be improved.

The invention relates to a turnover device, comprising a rack, a supporting platform, a sliding base and a turnover frame; the supporting platform is arranged on the rack; a sliding rail is arranged on the supporting platform; the sliding base is arranged on the sliding rail so as to be in sliding with the sliding rail; the turnover frame can be rotationally arranged on the sliding base, and is used for changing the direction of a heavy object arranged on the turnover frame. Through the cooperative arrangement of the rack, the supporting platform, the sliding base and the turnover frame, a bearing can be vertically arranged on the turnover frame when the turnover device is used; and then the bearing slides and is overturned to a horizontal state, so that the bearing can be correspondinglyand quickly installed on a testing rotary shaft of a measuring device, such as a bearing dynamic detector, etc. The turnover device provided by the invention has high loading and unloading efficiency;and the safety is observably improved.

The present invention discloses a kind of turbocompressor. Between the non-return valve set in the opened mouth part of the suction pipe inside the turbocompressor casing and the compression mechanism, one suction space is formed. The gas is first sucked to the suction space and then sucked into the compression mechanism, and this can prevent impurity and liquid refrigerant from being sucked directly into the compression mechanism to avoid malfunction of the compression mechanism, damage of the swirl overlapping, etc.

The invention discloses a safe soil on-site remediation integrated device. The invention belongs to the field of soil remediation. The device comprises a moving vehicle, a telescopic rod is arranged at the front end of the moving vehicle, a coulter is mounted at the bottom end of the telescopic rod, a rotating platform is arranged on the moving vehicle, a mechanical excavating arm is arranged on alifting column, an excavator bucket is mounted on the mechanical excavating arm, a treatment box is arranged on the moving vehicle, a partition plate is arranged in the treatment box, a water tank isarranged on the side wall of the treatment box, a water pipe is arranged on the water tank, a spraying disc is arranged at the outlet end of the water pipe, a sterilizing lamp is arranged on the inner wall of the treatment box, a strain adding pipe is arranged at the top end of the treatment box, an air injection tank is installed on the moving vehicle, a rotary drum is arranged in the treatmentbox, and multiple overturning plates are evenly arranged on the outer wall of the rotary drum. Office remediation is directly carried out on site, soil does not need to be dug out and transported, intermediate steps are saved, time and labor are saved, the soil remediation effect and efficiency are improved, harmful substances in soil are conveniently removed, soil remediation is facilitated, safety is improved, and use is convenient.

The invention relates to an LED packaging structure and a packaging method thereof; the LED packaging structure includes a PCB substrate with a solid-welding functional area and an LED chip on the upper surface and pins fixed on the lower surface; the solid-welding functional area and the pin electrical Connection; the LED chip is electrically connected to the solid soldering functional area; the PCB substrate includes two layers of overlapping and fixedly connected plates; the lower plate is provided with a first through hole, and the thickness is the same as the reserved tinning height; the first through The inner surface of the hole is provided with a metal layer; the pin is electrically connected to the metal layer; the upper plate is provided with a second through hole; the second through hole is filled with conductive metal; the soldering functional area and the second through hole The conductive metal is electrically connected; the conductive metal in the second through hole is electrically connected with the metal layer on the inner surface of the first through hole. This structure increases the tin eating area during welding and improves the reliability of subsequent welding; since the reserved tin eating position is highly controllable, the production process of the PCB substrate is simplified.

The invention relates to a 380 V switch cabinet maintenance car. The 380 V switch cabinet maintenance car comprises a car body, universal wheels connected to the lower portion of the car body, a handle connected to the side of the vehicle body, a hydraulic supporting module arranged on the car body and an overhaul platform connected to the top of the hydraulic supporting module. Rising and falling of the overhaul platform are achieved under the control of the hydraulic supporting module. The 380 V switch cabinet maintenance car further comprises a height limiting device, the height limiting device is movably connected between the car body and the overhaul platform, and the height of the overhaul platform is controlled by controlling the height of the hydraulic supporting module. Compared with the prior art, the 380 V switch cabinet maintenance car can control the height of the overhaul platform conveniently, thereby being applied to maintenance of 380 V switch cabinets. Due to the fact that when the overhaul platform reaches the maximum height, the included angle between hinged frames for forming the hydraulic supporting module is controlled to be 90 degrees through the height limiting device, even distribution of stress of the hydraulic supporting module in the horizontal direction and stress of the hydraulic supporting module in the vertical direction is achieved, and the service life of the hydraulic supporting module is prolonged.

The invention provides an illuminating device for student learning, and relates to the technical field of illumination. The illuminating device for student learning comprises a base; the top of the base is welded with the bottom of a sleeve rod; an inner rod is inserted in the top of the sleeve rod; the top of the inner rod is welded with the bottom of a cross bar; the left side of the cross bar is fixedly connected with one end of a universal joint; the other side of the universal joint is bonded with the top of a lamp cover; a reflecting plate is bonded at the top of the inner wall of the lamp cover; a bulb is fixedly mounted at the bottom of the reflecting plate; and the bottom of the lamp cover is fixedly connected with the top of anti-dazzling glass. In the illuminating device for student learning, the inner rod extends in the sleeve rod, so that the height of the bulb can be controlled and adjusted, the light ray irradiating range can be controlled, and illuminating devices are convenient to use; and meanwhile, the anti-dazzling glass is bonded at the bottom of the lamp cover for diffuse reflection of light rays emitted by a lamp, so that the illuminating area is increased, the light rays are more gentle, the dazzling effect is reduced, and the anti-dazzling effect is achieved.

The invention relates to the field of massage chair. A massage chair includes a base, a crus rotating device, a back frame rotating device, a massage device and a control system; the crus rotating device is used for crus rotation; the back frame rotating device comprises a second air cylinder, a U-shaped rotating frame and a back support frame; the U-shaped rotating frame is fixedly connected withthe back support frame, and inner sides of two sides of the back support frame are each provided with a lifting matching groove; two outer sides of the back support frame are connected with two openends of the U-shaped rotating frame; all two sides of the U-shaped rotating frame and two sides of the back support frame are hinged on the base, a first air pump is arranged on the upper part of thebase, and the output end of a first air pump is connected with a cross bar of the bottom of the U-shaped rotating frame; the massage device is used for back massage. The massage chair has the advantages of improving the rotation efficiency of crus rotation, further improving the leg massage, further improving the back massage undulation and beating, further improving the back massage effect and optimizing the massage experience of users.

The invention relates to a cold isostatic pressing forming preparation method of a nickel oxide-based ceramic target material, wherein the method comprises the following steps: A, preparing raw materials: preparing mixed powder of nickel oxide powder and doped source powder, wherein the total mass fraction of doped source elements in the mixed powder is not more than 10%, wherein the doping sourceelement is selected from one or more of 0-6% of Li, 0-0.3% of Na, 0-1.0% of Mg, 0-0.1% of Al, 0-0.1% of Si, 0-0.15% of K, 0-12% of Zn, 0-1.5% of Zr, 0-1.2% of Mn, 0-10% of Cu, 0-1.2% of Cr, 0-0.3% ofV, 0-10% of W and 0-2.5% of Ti; B, carrying out spray drying; C, compacting by vibration; D, feeding a mold into a cold isostatic pressing chamber for pressing; E, degumming a biscuit; F, sintering;G, cooling after heat preservation is finished; and H, machining or not machining according to needs. The preparation method can be used for preparing the nickel oxide-based ceramic which is good in conductivity, relatively high in purity and fine in grain size.

The present invention relates to a free-form lens with high light emitting efficiency and a design method thereof. The free-form lens is semicircular. The bottom surface of the free-form lens is a conical recess. The semicircular surface of the free-form lens is an outer surface. The conical recess surface of the free-form lens is an inner surface. Two free-form surfaces are formed by the inner surface and the outer surface. The invention also discloses the design method of the free-form lens. The design method is simple, through the design of the inner and outer surface of the lens at the same time, the specific illumination type can be realized, since the inner and outer surface of the lens are free-form surfaces, the lens shape is optimized, the light energy loss of the lens can be minimized, thus the light emitted by an LED is projected to an illumination plane with high efficiency, since the material of the lens is an optically transparent material commonly used in the industry, the processing cost is low, and the lens is suitable for mass production.

Disclosed are a die and method for manufacturing an inner and outer pipe workpiece with separation ribs in the middle through an extrusion method. The die comprises a male die body and a female die body which are vertically and coaxially arranged. The top end of the male die body is fixed to the lower portion of an upper die plate, and the female die body is fixed to the upper portion of a lower die plate. An ejector rod is arranged in a through hole in the middle of the lower die plate in a sliding manner. The convenient extrusion method is provided under the condition that the heights of an inner pipe, an outer pipe and separation ribs are different, and the die is novel and unique in design. The surface of a product is free of weld joints, and the die can adapt to places with high requirements for strength. The die is easy to machine and low in manufacturing cost. In the extrusion process, work stress is low, the tonnage of needed equipment is low, the die is not prone to being damaged, economical benefits are high, and cross sections of extrusion parts do not need to be consistent. Along with rapid development of the industry, the application range of the inner and outer pipe workpiece with the separation ribs of this kind is wider and wider, and the extrusion moulding method and the die structure have the great application prospect in industrial production.

The invention discloses a method for preparing a porous diamond or porous cubic silicon carbide self-supporting film, comprising: providing a matrix material, and pretreating the surface of the matrix material to obtain a higher diamond nucleation rate; placing the pretreated matrix In a microwave plasma chemical vapor deposition or hot wire chemical vapor deposition reactor, at a temperature of 600-900 ° C, a diamond / cubic silicon carbide composite film is prepared; the resulting composite film is selectively etched: 1) at 70 At a temperature above ℃, etch in a mixed etching solution of hydrofluoric acid and nitric acid to obtain a porous diamond self-supporting film; (2) at a temperature above 500°C, heat in an atmosphere containing oxygen to obtain a porous cubic Silicon carbide free-standing film. Without using any template and electrode materials, the obtained porous diamond and porous cubic silicon carbide self-supporting films have controllable pore size, porosity, and thickness, which are suitable for industrial applications and basic research.

The invention provides a special display platform for multimedia teaching, which comprises a table, a camera, a light source and a display platform plate, wherein the internal part of the table is provided with a chamber, the left side of the table is provided with a rotating shaft in a movable penetrating manner, the right end of the rotating shaft movably penetrates through the left wall and theright wall of an inner cavity of the chamber in sequence and extends to the external part of the table, and the right side of the surface of the part, which is located in the inner cavity of the chamber, of the rotating shaft is provided with a first gear. The special display platform for multimedia teaching is provided with the rotating shaft, the first gear, a gear slot, a rotating rod, a rotating block, a second gear and a crank handle, the crank handle is rocked, the crank handle drives the rotating block to rotate, the rotating block drives the rotating rod to rotate, the rotating rod drives the second gear to rotate, the second gear drives the first gear to rotate, the first gear drives the rotating shaft to rotate, and the rotating shaft is enabled to drive the light source to slightly move backward and forward, thereby achieving an effect of being convenient for adjusting the angle of the light source.

The invention belongs to LED (Light Emitting Diode) packaging technologies and discloses a free-form surface lens and a method of realizing shape-preserving coating for the same. The outer surface of the free-form surface lens is a free-form surface and serves as an optical emergent face, and the inner surface of the free-form surface lens is a flat-bottomed concave groove extending towards the outer surface of the lens and serves as an optical incident face of the free-form surface lens. After the procedures of fixing an LED chip and connecting a circuit are completed, the free-form surface lens is arranged on a substrate, fluorescent powder glue is fully filled in a gap between the inner surface of the free-form surface lens and the substrate or a support, and a shape-preserving coating effect is achieved by controlling the thickness of a fluorescent powder layer through regulating the height of the concave groove. According to the free-form surface lens provided by the invention, the shape-preserving coating of the fluorescent powder layer can be realized by using the inner surface, and the controllability of light beams can be achieved by using the outer surface, so that different illumination effects can be achieved. The method disclosed by the invention has the characteristics of simple process and wide applicable range and can be applicable to packaging forms of LED support, chip on board, array, system packaging, printed circuit board packaging, silicon-substrate packaging and the like.

The invention discloses a copper and aluminum forging and pressing mechanical device with protective performance, and relates to the field of technology forging and pressing mechanical devices. A baseis included; the left side of the top of the base is fixedly connected with a shock absorbing pad, and the top of the shock absorbing pad is fixedly connected with a fixed base; the top of the surface of the fixed base is sleeved with a forging and pressing base, and the top of the forging and pressing base is fixedly connected with an anti-explosion glass cylinder; and the front side of the anti-explosion glass cylinder is connected with a movable cover in a clamped manner. According to the copper and aluminum forging and pressing mechanical device with the protective performance, the anti-explosion glass cylinder is matched with the movable cover, the top of the forging and pressing base can form a closed space, it is avoided that during forging and pressing, high-temperature oxidization layer fragments are scattered everywhere and consequently people are scalded or clothing and other articles for daily use are damaged, and a safety protection effect is achieved; a slide groove is matched with a slide rod frame, a clamping plate can rotate to press the movable cover, and it is avoided that in work, the movable cover gets loose; and a vacuum noise lowering cavity is formed in theanti-explosion glass cylinder, noise during forging and pressing can be greatly lowered, and therefore the work environment is improved.

The invention discloses an assembled type strawberry high-frame culturing device. The assembled type strawberry high-frame culturing device comprises culturing troughs, matrix containing layers and fixing frames. The number of the fixing frames is two or more. Each fixing frame comprises two parallel vertical pipes, a first transverse rod and a second transverse rod, wherein the first transverse rod and the second transverse rod are perpendicularly connected between the two vertical pipes. A U-shaped supporting part is formed by each first transverse rod and the two corresponding vertical pipes, and each culturing trough is arranged on the corresponding U-shaped supporting part. A C-shaped pipe is arranged at the top end of each vertical pipe and internally provided with a clamping strip. The culturing troughs are of box structures with openings in the tops. Air holes are formed in the two ends of each culturing trough in the length direction. The cross sections of the matrix containing layers are in arc shapes, the matrix containing layers are arranged in the culturing troughs, and the two ends of each matrix containing layer are clamped in the corresponding C-shaped pipes through the corresponding clamping strips. One or more liquid level adjusters are arranged at the bottom of each culturing trough. Each liquid level adjuster comprises a flow guide pipe penetrating through the bottom of the corresponding culturing trough and a pipe sleeve arranged below the bottom of the corresponding culturing trough. Each flow guide pipe is connected with the corresponding pipe sleeve in a sleeved mode through threads. According to the assembled type strawberry high-frame culturing device, the height can be controlled, rusting is not prone to occurrence, the strawberry quality can be improved, and the strawberry yield can be increased.

The invention is applicable to the technical field of smart televisions, and provides a method and device for arranging desktop layout and a server. The method comprises the following steps: receivingindication information for arranging the desktop layout currently displayed by a display screen into a vertical waterfall flow layout, wherein the indication information comprises the model of the display screen; and obtaining configuration parameters corresponding to the model of the display screen from a pre-created mapping table, wherein the configuration parameters includes the screen width of the display screen and the transverse spacing and the longitudinal spacing between two adjacent data storage blocks in a vertical waterfall flow layout, and arranging the vertical waterfall flow layout according to the configuration parameters. According to the method, the arrangement task is executed by acquiring the configuration parameters corresponding to the model of the display screen, sowhen the arrangement of the vertical waterfall flow layout is carried out at the Web end, the widths of the pictures finally displayed on a smart television are consistent, and the heights are controllable.

The invention provides a power frequency electromagnetic field generating device having a tumor inhibiting effect. The power frequency electromagnetic field generating device is composed of a power frequency power supply, two auto-transformers, two diode bridges, two groups of coils, a radiation part, a voltage detection part, a magnetic field detection part, a temperature measuring part and a terminal computer. According to the device, on the basis of the power frequency 50 / 60Hz power supply, voltage is continuously changed by virtue of the DC and AC auto-transformers, so that superposed static and alternating electromagnetic fields are generated in the radiation part. A loading method of the electromagnetic fields having the tumor inhibiting effect has a certain extensibility, the frequency is within a range of 30-300Hz, the intensity ratio of the static electromagnetic field to the alternating electromagnetic field is at 0.5-2.5 and total intensity is 1-10mT. The invention provides the special power frequency electromagnetic field generating device and the loading method; the generating device is reasonable in design, capable of acting on organisms, noninvasive and low in toxic and side effects, and the generating device has the obvious inhibiting effect on a plurality of tumors; and due to the action of the magnetic fields, the content of superoxide radicals in cells can be increased, and autophagy is promoted.