44results about How to "Guaranteed exposure" patented technology

The invention discloses an omni-directional circularly polarized metasurface solar antenna. The omni-directional circularly polarized metasurface solar antenna comprises a radiation metasurface integrated with a solar cell, a first dielectric layer, a metal floor, a second dielectric layer and a micro-strip feed network from top to bottom, wherein the radiation metasurface is a uniform array formed by a plurality of rectangular rings, and the solar cells are placed inside the respective rectangular rings; four cross-shaped cross gaps which are symmetrically distributed in a rotating mode are formed in the metal floor and are used for achieving uniform equal-amplitude feeding of the radiation metasurface; and a feeding network on the lower surface of the second dielectric layer is used forfeeding each cross-shaped cross gap in a microstrip gap coupling feeding mode to excite an orthogonal mode on the radiation metasurface, so that omni-directional circularly polarized radiation is realized. According to the solar antenna, the performance of the solar cell integrated with the solar cell radiation metasurface and the performance of the antenna are basically not mutually interfered, so that the surface area of the antenna is fully utilized, and meanwhile, it is ensured that the solar cell panel can be completely exposed under illumination.

The invention relates to a dark view field object lens device which illumines the observed objects at the dark view field and used in a dark view field microscope utilizing the scattering and diffraction of the objects to observe. More particularly, the invention relates to a lighting and mounting structure of the dark view field object lens device. The object lens contains an inner cylinder and an outer cylinder. A combination of lenses used for imaging is installed inside the inner cylinder; an LED illuminating apparatus which is arranged in a ring shape and takes an LED original piece as light source is arranged at the outer side of the outer cylinder. In addition, an optical element which is arranged between the LED original piece and the observed objects transforms the light of LED in a meridian plane into parallel light and leads the parallel light to light the observed objects in an inclined way. The light emitted by the LED original piece is transformed into parallel light to light the observed objects in the meridian plane. After the image of the light scattered and diffracted by the observed objects is formed by an imaging object lens, the image is processed after being observed by using an eyepiece and shot by a camera. Screw thread is arranged at the periphery of the end part of the inner cylinder of the dark view field object lens device, so that the dark view field object lens device can be directly installed on a change over panel of a bright field microscopical. Therefore, the bright field microscopical can be directly switched for the observation of the dark view field.

The invention relates to an etching method for improving the bottom of a silicon carbide table board. The technique comprises the following steps: 1, a layer of dielectric film is formed on an outward-extending silicon carbide layer; 2, photoresist is coated on the dielectric film, so as to form pattern transfer of the table board through a photolithography technique; 3, the photoresist serves as a barrier layer, and the dielectric film is etched by the dry method under a first condition; 4, the photoresist out of the etched dielectric film on the surface of silicon carbide can be removed at the same time; 5, the remaining dielectric film serves as a barrier layer, and the silicon carbide is etched by the dry method under a second condition to form the table board; and 6, after part of the processes, all dielectrics on the surface of the silicon carbide can be removed through wet etching. The etching method has the advantages that the problems of burrs at edges when a metal mask forms the silicon carbide table board, peaks caused by the slight sputtering of metal, metal ion pollution easily caused at high temperature and the like can be solved, and the injection protection for the silicon carbide table board as well as the exposure and the etching of the area out of the table board can be ensured through a self-alignment mode, so that the surface of the bottom area of the table board can be smooth, and the subsequent process operation can be convenient.

The invention relates to an ocean surge perpendicular power generation technology, and belongs to the field of new energy. According to the ocean surge perpendicular power generation technology, surge ascending kinetic energy and gravity potential energy of the fluctuation height of inshore surges in the perpendicular direction are made full use of, pulsation kinetic energy of movement of tides, surges and the like in the horizontal direction is used, energy of relative movement of a floating cabin is transmitted to an electromotor arranged at the stationary coordinate position through cables by using a geodetic coordinate zero point, power generation can be carried out, and high-efficiency power generation through large surges and small surges is achieved. Matrix type group high-capacity power generation is achieved at the position above the sea surface and the position of underwater through an integral reinforced concrete truss square cage type networking structure, namely, the capacity of achieving high-capacity power generation through the small-area sea surface is achieved. The ocean surge perpendicular power generation technology has the advantages of being small in investment, easy to construct, good in wind resistance, good in environmental adaptability, high in economic benefit and long in service life, and is an optimal electric energy conversion technology for ocean surge energy, and is a new energy technology which protects the environment and is renewable, and the requirement of economic development of the coastal areas and islands for electricity utilization is fully met.

The invention discloses a yam bean self-vibration gathering and leaf-blowing full-picking electrostatic adsorption fruit-leaf separating vehicle, comprising a vibration gathering and striping full-picking mechanism, a blast leaf blowing device, an electrostatic separating mechanism, an oblique conveying device, a screening bearing device and a mobile vehicle body mechanism, wherein the screening bearing device, the electrostatic separating mechanism and the oblique conveying device are fixedly connected and arranged onto the mobile vehicle body mechanism, and the vibration gathering and stripping full-picking mechanism is arranged on the mobile vehicle body mechanism in a lifting manner; the blast leaf blowing mechanism is fixedly connected and arranged onto the vibration gathering and striping full-picking mechanism. The invention belongs to the technical field of yam bean picking machinery, and specifically relates to a method that can gather and efficiently fully pick up yam beans by self-vibration without damage; by the air flow blown from an air blower and the repulsive force of the air, yam branches and leaves are sufficiently blown without damage; meanwhile, the electrostatic adsorption effect is creatively applied to ensure the rapid and efficient non-destructive separation of fruits and leaves, and the yam beans are graded in real time.

The invention belongs to the technical field of microbial remediation of organic polluted soil, and in particular relates to a petroleum hydrocarbon degrading mixed inoculum suitable for a medium-temperature aerobic biological heap remediation system and applications of the petroleum hydrocarbon degrading mixed inoculum. The mixed inoculum is prepared in a manner that bacillus licheniformis and pseudomonas fluorescens are mixed and immobilized, wherein bacillus licheniformis and pseudomonas fluorescens are mixed at the volume ratio of (3:1) to (5:1), a rice hull carrier after acidification andneutralizing of the pH is adopted for carrying out immobilization, and thus the mixed inoculum is prepared. When the total amount of bacterial microbes in the biological heap achieves 40-60 % of theinitial content, the mixed inoculum is supplied during the interval of stopping of forced ventilation of the heap, the total amount of bacteria in the heap is maintained to be 90-110 %, and meanwhile,the activity of dehydrogenase in the polluted soil is enabled to be 70-90 % of the initial value, so that the biological heap efficient remediation process of the petroleum-polluted soil is effectively realized.

Embodiments of the invention disclose a page content display method and device. The method comprises the following steps of: displaying a data object information page by a client, wherein the page comprises a 3D scene which is structured as a hook face, display information of a data object is displayed at a preset position of the hook face, and the display information is display models with a 3D display effect and forms first angles with the hook face; determining a target display model which enters a terminal equipment screen visible area; and adjusting the first angle between the target display model and the hook face according to a second angle formed by the target display model and a user observation direction, so as to change the second angle. Through the method and device, the information exposure can be ensured when 3D pages are realized, so that the page effect is improved.

The invention discloses a wormwood raw material drying process and equipment, relates to the technical field of wormwood processing, and solves the problems that manual operation is adopted in an existing wormwood drying treatment process, the drying degree is not easy to control, impurities are not convenient to automatically remove and the like. The wormwood raw material drying process and equipment comprises the following steps that firstly, wormwood is sorted, the picked wormwood is cut and removed, soil is prevented from being mixed in the wormwood, mildewed and deteriorated wormwood leaves in the wormwood is removed, the wormwood is purer, the wormwood is placed on a sorting operation table top, stems and impurities are removed, and then the selected wormwood is placed in a clean and dry container, the selected wormwood is weighed, a material state card is stuck, and the next process is turned to. According to the wormwood raw material drying process and equipment, wormwood is automatically stirred and circularly conveyed, the contact degree of the wormwood and hot dry air is effectively guaranteed, the water content is conveniently controlled, and impurities can be synchronously removed in the vibration process.

The invention discloses an adjustable type mooring fixed overwater float. The float comprises a float body, a balance weight steel plate, a shackle, a concrete balance weight block, a steel plate andreinforcing steel bars. The float body floats on the water, a threaded rod is arranged in the middle position in a penetrating manner, the upper end of the threaded rod is fixedly connected with a first iron ring, the lower end of the threaded rod is fixedly connected with a second iron ring, the balance weight steel plate is connected to the bottom of the float body through the second iron ring,the reinforcing steel bars are inserted into lakebed sludge, the upper ends are vertically welded to the center of the lower end face of the steel plate, the upper end face of the steel plate is provided with the concrete balance weight block, a hole is reserved in the middle of the concrete balance weight block, one end of a nylon rope is bound on the center position of the steel plate, the otherend of the nylon rope penetrates through a long steel pipe and the second iron ring to be bound on the shackle, the length of the nylon rope is locked by adjusting the shackle, and it can be ensuredthat when the elevation of the water area rises and falls, the float body is leaked out all the time. Accurate positioning of the float body can be ensured, after the float body is dragged by the proper external force, the float body can return to the original position, and the float can be applied to overwater positioning of a water conservancy project.

The invention discloses a scribing structure for silicon carbide cutting and an online trimming method of the scribing structure. An annular knife trimming plate for a scribing knife is provided for the first time, a SiC wafer and the annular knife trimming plate are adsorbed to a ceramic working disc after being pasted to an adhesive film together, and then cutting is carried out in sequence, so that the online trimming function in the cutting process of the SiC wafer scribing knife is achieved; and during each dicing, the annular knife trimming plate is used for knife trimming firstly, then the SiC wafer is diced, and finally the annular knife trimming plate is used for knife trimming again, so that it is guaranteed that a diamond abrasive material on the surface of a cutting edge is exposed, the problem that the scribing knife is suddenly broken due to the fact that the scribing knife loses the cutting capacity is solved, the time for trimming the knife independently is saved, and the probability of knife breakage in the SiC wafer cutting process is also reduced.

The invention relates to a processing method of a light vesuvianite-imitated paving block. The invention provides the processing method of the light vesuvianite-imitated paving block which is high in reliability and strong in replicability on the premise that the product strength is met and the characteristics of natural vesuvianite are embodied at the same time. Porous matrix slurry is used as a raw material, the porous matrix slurry is poured into a mold and solidified, and the porous matrix slurry is prepared from, by mass, 60-95 parts of cement, 5-50 parts of mineral micro powder, 0.5-2.5 parts of plasticizer and 27-41 parts of water. After the porous matrix slurry is prepared, 100-1200 g/m < 3 > of a foam stabilizer, 0.4-1.5 g/m < 3 > of a pore adjusting agent and a foaming agent are added into the porous matrix slurry according to the volume-mass ratio, and the adding amount of the foaming agent is calculated and quantified according to the designed dry apparent density of the porous matrix; after the porous matrix slurry is condensed and hardened, the porous matrix of the pelelith-imitating decorative material is formed, so that pores with different proportions and different pore sizes can be stably dispersed in the porous matrix of the pelelith-imitating decorative material.