13results about How to "Guaranteed normal exchange" patented technology

The organ chip comprises a main body and micro columns, a first cavity, a second cavity located below the first cavity and communicated with the first cavity, a liquid inlet communicating port communicated with the first cavity and a liquid outlet communicating port communicated with the first cavity are formed in the main body, and the main body is provided with a step surface located between the first cavity and the second cavity and facing the first cavity; the step surface comprises a first area and a second area connected with the first area; the microcolumn is located in the first cavity, is connected with the first area and protrudes out of the first area, and the second area is a blank area. According to the organ chip, the cavity and the micro-column, fluid entering from the liquid inlet communication port passes through the micro-column in the process of flowing to the liquid outlet communication port, so that stable and independent culture of a biological model in the second cavity and sufficient liquid exchange are realized.

The invention discloses an intelligent prone position self-adaptive decompression bed, and relates to the technical field of medical instruments. Comprising a supporting bottom plate and a decompression bed body connected with the supporting bottom plate, and a face supporting pillow and a supporting decompression rod array are arranged on the decompression bed body; the support decompression rod array is arranged on the decompression rod mother plate in a honeycomb array, and comprises a chest decompression rod array and an abdomen decompression rod array; the chest pressure reduction rod array and the abdomen pressure reduction rod array each comprise a main supporting pressure reduction rod module and auxiliary supporting pressure reduction rod modules symmetrically arranged on the two sides of the main supporting pressure reduction rod module, and the main supporting pressure reduction rod modules stretch out and draw back periodically with two supporting pressure reduction rod assemblies as a set. And the auxiliary supporting pressure-reducing rod modules periodically stretch and retract by taking one supporting pressure-reducing rod assembly as a group. According to the decompression bed provided by the invention, the skin of the contact part can be periodically exposed under the condition of not influencing the prone position limb support, air exchange is carried out, and pressure sores, bedsores and infection risks caused by long-time extrusion and non-ventilation are relieved.

The utility model relates to a lithium ion battery for strengthening electrolyte space distribution, which comprises an insulation sheet, a pole core, a battery shell, a space ring and a cover plate, the insulation sheet is wound on the outer side of the pole core, the space ring is arranged at the end part of the pole core, a plurality of grids for accommodating electrolyte are respectively arranged on the side edge of the insulation sheet and the outer side surface of the space ring, and the cover plate is arranged on the side edge of the insulation sheet. And a hole is formed in each grid. According to the scheme, the electrolyte is effectively prevented from being locally gathered in the battery shell through the liquid storage space formed by the physical interlayer, so that the electrolyte is more uniformly distributed in the space of the battery shell, black spots and edge lithium precipitation are prevented from being generated in the charge-discharge cycle process of the battery, the cycle life of the battery is prolonged, and the safety performance of the battery is improved.

The utility model relates to the technical field of plant cultivation, and disclose a substrate container suitable for soilless culture of strawberry in greenhouse, including cultivation frame, cultivation frame includes two horizontal opposite support rods, two support rods between installing two main flow pipes, two main flow pipes between equidistance installation have a plurality of branch pipes, and a plurality of cultivation containers for soilless culture of strawberry are arranged on the branch pipe. The cultivation container includes an outer sleeve mounted on the branch pipe, and a sterile sponge body and an inner sleeve are sequentially fitted in the outer sleeve. The cultivation frame integrates the support structure and the water and fertilizer delivery pipe network, realizes multi-layer three-dimensional cultivation, greatly improves the space utilization rate and the yield per unit area of the greenhouse, and the cultivation container adopts standardized module design, convenient to install and disassemble, and is convenient for large-scale deployment and maintenance.

This utility model discloses an apparatus for plant genetic transformation culture, comprising a culture dish and culture bottle caps used in combination. The side of the culture dish is provided with graduations, including a minimum graduation for subculture, an intermediate graduation for differentiation culture, and a maximum graduation for rooting culture. The culture bottle caps include subculture bottle caps, differentiation culture bottle caps, and rooting culture bottle caps, each with ventilation holes at the top. This apparatus allows for precise control of the culture medium volume, avoiding waste and effectively reducing culture costs; it also improves the versatility of the apparatus, expanding its application range; and it facilitates observation and gas exchange, promoting healthy plant growth.

The utility model discloses an optical fiber switch cabinet, which relates to the technical field of switches, and comprises a cabinet body, an interface assembly is arranged on one side of the cabinet body, a convex cavity is integrally formed at the end part of the cabinet body, an arc-shaped channel is arranged on the side surface of the convex cavity at a position over against the interface assembly, a ventilation structure is arranged on the side surface of the cabinet body, and a wiring board is welded on the top of the cabinet body. The wiring board can be clamped with the recess on one side of the convex cavity in a matched mode, and the top of the wiring board is provided with limiting openings with the same number as the interface assemblies. According to the utility model, the top of the wiring board is provided with the limiting port directly facing the optical switching interface, and the data line passing through the limiting port can be elastically clamped through the anti-skid sheet on the inner wall of the limiting port, so that the connection load between the optical switching interface and the connector is reduced, and the deformation risk of an electrical connection part in the optical switching interface is reduced.

The composite slope protection structure comprises a slope body, a gentle slope section, an intercepting ditch, a stacking section and a hydrophilic section are sequentially arranged on the slope body from high to low along the gradient, the gentle slope section is a backfill soil layer which is arranged downwards from the slope top, the intercepting ditch is a gabion ecological gabion structure ditch, and the stacking section and the hydrophilic section are sequentially arranged on the slope body from high to low. Flood discharge openings are formed in the ditch wall, close to the ditch side, of the intercepting ditch at intervals, and the hydrophilic section is a groove of a gabion ecological gabion structure. Geotechnical engineering and environmental engineering are organically combined, and normal circulation between a channel water body and underground water in a slope is guaranteed on the premise that the protection function is achieved; agricultural straw and dredged sludge are recycled, so that the problem of environmental pollution caused by straw burning and dredged sludge stacking is avoided, and the engineering cost is reduced; meanwhile, growth of terrestrial, aquatic and amphibious animals and plants is considered, channel water quality is purified and improved, ecological and landscape functions are achieved, and the method can be widely applied to the field of channel construction.

The utility model belongs to the technical field of cell culture, and relates to a grating type cell culture bottle with a breathable top. The grating type top-breathable cell culture bottle comprises a bottom wall, a side wall formed by extending upwards from the bottom wall, and a top wall for sealing the top of the side wall, the top wall comprises a plurality of ventilation parts arranged at intervals, the two ends of each ventilation part are connected with the two opposite side walls, each ventilation part comprises a plurality of ventilation holes formed in the extending direction of the ventilation parts at intervals, and hydrophobic filter membranes are arranged on the ventilation holes in an attached mode. The ventilation part connected with the two side walls is arranged on the top wall, the length of the ventilation part is increased, the ventilation amount is increased, and therefore it is guaranteed that the concentration of gas in the container from top to bottom is uniform. And the air holes in the top wall are arranged in a grating manner, so that the stability of the structure is enhanced. The hydrophobic filter membrane on each air hole effectively prevents liquid and pollutants from invading, and meanwhile, necessary gas exchange is promoted, so that the functionality and the safety of the culture bottle are improved.

The invention belongs to the technical field of ocean high-end equipment, and discloses deep and far sea culture equipment which is of a box-type structure formed by distributing a plurality of wave absorbing devices in parallel, each wave absorbing device is formed by connecting a wave absorbing turbulence device and a pile foundation water-permeable chamber wave absorbing embankment in series, and a netting is attached to a pile foundation of each wave absorbing embankment to form a culture area. Structural sharing of the culture equipment and the wave-absorbing embankment is achieved, a flow field of waves is disturbed through up-and-down oscillating motion of the floating barrels, formation of vertical waves and resonance wave-absorbing of the wave-absorbing embankment of the pile foundation permeable cavity are reduced, wave energy wrapped in an upper-layer water body is consumed, normal exchange of water flow is guaranteed, and wave force borne by the whole equipment is reduced; marine organism attachment on the surface of the net cage netting is reduced, small-size vortexes and oxygen content of an upper-layer water body in a culture area are increased, and high dissolved oxygen content in water is guaranteed under the condition that water flow exchange of a middle layer and a lower layer is not affected. According to the method, the synchronous breeding mode of the middle fry and the large fry is carried out at the same time, breeding benefits are improved, and the situation that diseases are easily carried out during cross-region fry allocation and transportation is avoided.

The present invention discloses a seedling raising box for planting polygonatum with quantitative drip irrigation, comprising a pot body for filling soil and raising seedlings and a box body for accommodating the pot bodies at equal intervals, and a water tank for accommodating water for drip irrigation is provided below the box body, and the pot body contains a space with variable volume, and the space in the single-row pot body in the box body can realize soil loosening before and during drip irrigation and soil tightening after drip irrigation through reciprocating volume changes, thereby improving the drip irrigation effect. The seedling raising box for planting polygonatum with quantitative drip irrigation can effectively loosen the soil and protect the root system of polygonatum to the greatest extent by changing the volume of the space of the soil, and can also realize the irrigation effect by using the power of changing the volume, and can increase the drip irrigation wetting area by volume changes and repeated loosening of the soil, effectively improving the seedling raising efficiency.

This invention discloses a system for coupling underground salt cavern energy storage and nuclear energy based on a dynamic heat pipe, belonging to the field of physical energy storage technology, and mainly used for coupling underground salt cavern energy storage and nuclear energy. The technical problem to be solved by this invention is to provide a system for coupling underground salt cavern energy storage and nuclear energy based on a dynamic heat pipe, including a salt cavern, a compressor, an expander, a nuclear power plant, and a dynamic heat pipe system. The compressor and expander are electrically connected to the nuclear power plant. The dynamic heat pipe system includes an interconnected evaporation section, a condensation section, and a storage tank. The evaporation section is connected to the nuclear power plant, and the condensation section is located between the salt cavern and the expander. A storage tank is located between the evaporation section and the condensation section, containing a heat exchange medium. A mechanical pump is located between the storage tank and the evaporation section. This invention utilizes a dynamic heat pipe system to achieve coupling between a nuclear energy system and an underground salt cavern energy storage system, fully utilizing the energy generated by the underground salt cavern and the nuclear power plant, and improving the energy utilization rate of the entire coupled system.

This utility model discloses a crayfish temporary holding device, solving the problem of large space requirements and inconvenient management in existing crayfish farming. The utility model includes several stackable temporary holding boxes, an installation mechanism inside each box, a detachable shielding mechanism on the installation mechanism, a detachable top cover on the box, a rotatable feeding mechanism for feeding and observing the crayfish, and a connecting mechanism on and connected to each box for connecting adjacent boxes. Ventilation holes are evenly distributed on the box and top cover, and the connecting mechanism has an inlet and an outlet. This utility model's temporary holding device consists of multiple independent boxes that can be stacked or used individually, thus reducing the installation space required for crayfish temporary holding. The shielding mechanism is detachably installed on the installation mechanism, providing a climbing and sheltering area for the crayfish.

The utility model discloses a purification table heat dissipation device, and relates to the technical field of coating equipment, the purification table heat dissipation device comprises a machine table frame and a heat dissipation mechanism, the heat dissipation mechanism comprises a first heat dissipation assembly and / or a second heat dissipation assembly, the first heat dissipation assembly comprises a separation net, the separation net is installed in front of the machine table frame, and a plurality of net holes are formed in the separation net; the second heat dissipation assembly comprises a first shutter sealing plate, the first shutter sealing plate is installed behind the machine table frame, and a plurality of first windows are formed in the first shutter sealing plate. According to the purification table heat dissipation device, the multiple meshes are formed in the isolation net, the air inlet amount is increased, heat exchange inside and outside a machine table can be effectively improved, workers can conveniently observe the interior of the purification table, the multiple first windows are formed in the first shutter sealing plate, the air inlet amount is increased, heat exchange inside and outside the machine table can be effectively improved, and the service life of the workers is prolonged. The first shutter sealing plate can achieve a heat insulation effect while guaranteeing internal and external heat exchange.