84results about How to "Guaranteed normal exchange" patented technology

The invention discloses a method for NTRU-type fully-homomorphic encryption on an LWE circle. After parameters are defined, a partially-homomorphic encryption process is carried out and then steps such as a fully-homomorphic encryption process requiring no starting and the like are carried out Through secret-key switch and module switch technologies, addition encryption and multiplication encryption are applied in an encryption process. Noises of output ciphertext are smaller than noises of input ciphertext so that a role of ciphertext update is played and realization efficiency is higher because a starting process is saved. Therefore, the fully-homomorphic encryption method requiring no starting is realized with a high encryption efficiency and comparatively shorter acquired ciphertext.

The invention discloses an implementation method of an inverse system controller of an active power filter, which comprises the following steps: establishing a mathematical model of parallel main circuits of the active power filter under a d-q coordinate system; decoupling two variables of current components of offset current under the d-q coordinate system; constructing a pseudo-linear system after the decoupling so as to ensure that an optimal control signal joins into the pseudo-linear system to obtain an optimal inverse system control matrix; and finally, obtaining a reference value of the offset current by carrying out coordinate transformation on detected harmonic current. The invention changes a control policy of a conventional active power filter, carries out pseudo-linear processing on a nonlinear coupled system, directly works out a switching coefficient of the main circuits during working and the working modes of devices of the main circuits, has visualized physical conception, simple mathematical deduction, small operand and higher control precision and can guarantee the energy exchange of direct current and alternating current when a load is suddenly changed.

The invention discloses a bionic micro-fluidic chip for simulating in vivo tumor cells and their metastasis microenvironment. The micro-fluidic chip is formed by interlacing and irreversible sealing of three layers of PDMS substrates and two layers of porous PDMS membranes. The first PDMS substrate layer is provided with a channel for air circulation, an inlet and an outlet for entry and exit of a liquid and an upper half part of a vacuum channel. The third PDMS substrate layer is provided with a cell culture room for cell culture. The channel of the first PDMS substrate layer is positioned up the channel of the second PDMS substrate layer. The cell culture room on the third PDMS substrate layer is positioned down the channel of the second PDMS substrate layer. The micro-fluidic chip provided by the invention can be used for in vitro detection of the tumor cell metastasis process and provides a basis for making clinical tumor treatment plans.

The invention discloses a method for collecting rainwater. The method comprises the following steps that: a rain dropping pipe guides rainwater on a roof to a scattering ditch, the rainwater passes through a collection pipe network and enters a sunken green land, and the rainwater on a hardened land and a road surface is guided to the sunken green land; a seepage layer is arranged below the sunken green land and a green land, and a seepage pipe network is arranged in the middle of the seepage layer and connected with an impounding reservoir; the rainwater flows through the soil layer and the seepage layer and supplements the underground water; when the underground water level ascends due to rainfall, the rainwater flows through the seepage pipe network, enters the impounding reservoir and is used; and the water in the impounding reservoir can be fed into a water pipe network in a city. The invention also discloses a device for collecting the rainwater. The rain dropping pipe is arranged on a house and connected to the scattering ditch; the scattering ditch is connected to the collection pipe network; the collection pipe network is connected to the sunken green land; sewers are arranged on the hardened land, the green land and the road surface and connected with the sunken green land; the seepage layer is arranged below the soil layer below the sunken green land and the green land; and the seepage pipe network is arranged between the seepage layer and connected with the impounding reservoir. The device is rationally designed, and the method is simple; the number of targets is large; the use and maintenance costs are low; and the service life is long.

The method is used for establishing connection under DSH signaling protocol in fiber communication field. It comprises: for circuit simulation real-time service, according to user's upper layer calling request, the DSN signaling completes the time slot allocation for wavelength channel in core node, and establishes the end to end virtual path in OBS network; said virtual path keeps connection during the calling. The wavelength channel is divided into multi time slot units which are respectively and periodically occupied by each call; multi calls share one wavelength channel by using time division multiplexing (TDM). The core node uses time-slot asynchronous mechanism without needing the complex optical synchronous device.

The invention relates to a multi-layered and multiporous ecological barrel for protective slope ecology and a method for ecologically restoring and greening side slopes, which are applied to ecological restoration and greening projects of rocky side slopes and hard side slopes. The ecological barrel is a double-layered hollow pipe in which water holes with different sizes are dilled, a cushioning layer which is formed by organic compressible material is filled between an outer barrel and a hole wall, water-absorbing material is filled up between the two layers of barrels, mixed substrate which is suitable for plant growth is placed in the inner barrel, and the ecological barrel is put into a hole of a slope surface, and can ensure the normal growth of a bush or a climbing plant. The invention sufficiently exerts the respective advantages of the multi-layered and multiporous barrel and the ecological substrate; the invention has the characteristics of little slope surface disturbance, convenient construction, little construction load and the like; an environment suitable for the growth of plants is created for the exposed slope surface, and moreover, the adverse effect of root expansion on the slope body can be reduced to the max.

Provided is a combined ecological revetment and a construction method thereof. The combined ecological revetment comprises an osmotic adsorption filter layer, a wooden pile protecting foot, a stone cage retaining wall, a bottom mud ecological bag layer and a vegetation layer, wherein the osmotic adsorption filter layer is arranged at the junction of a river bank slope and a river bed, and comprises two layers of water-permeable concrete layers and an adsorption filter layer, and the bottom of the wood pile protecting foot is embedded in the part, adjacent to the outer edge of a stair at the bottom layer of the osmotic adsorption filter layer, of the river bed; the stone cage retaining wall comprises a binge net cage and a support, the bottom mud ecological bag layer is composed of a plurality of bottom ecological bags, and the vegetation layer is composed of a soil layer and a vegetation net; the construction method of the combined ecological revetment comprises the following steps: laying the osmotic adsorption filter layer, stone cage retaining wall and vegetation layer sequentially on the stair-type slope surface of the slope surface of the river bank, and embedding the wood pile protecting foot at the foot of the slope. The combined ecological revetment has the advantages that: full exchange of a water body is achieved, N, P, heavy metals and other pollutants in the water body can be adsorbed effectively, meanwhile, the own strong anti-scour ability of the combined ecological revetment can be ensured, and good durability and applicability are achieved.

The invention discloses a soil stabilizer in the fields of river environment governance and river water treatment. The soil stabilizer comprises 10-30% of coal ash, 10-30% of calcium ferroaluminate, 30-50% of slag, 5-15% of calcium sulfate and 5-10% of alkaline activator in the manner of grinding into 350 meshes after mixing. The soil stabilizer has the positive effects that industrial solid waste is utilized as an auxiliary material; original soil of a river or a river levee is taken as a raw material; the surface of the stabilized river or river levee has the performance similar to concrete; a lower layer has a soft lower layer similar to natural soil; the cured soil layer has a micro-pore structure; exchange of gases and microorganisms in a water body with the gases and microorganisms in the soil can be ensured when seepage and collapse prevention is realized; the contradiction between the demands of bank stabilization on the soil body and the demands of plant growth on the soil body is well coordinated; not only can bank stabilization be ensured, but also a good biological environment of a riverside zone can be created for flora and fauna and microorganisms.

The invention provides an air conditioner and a heat exchange system thereof. The heat exchange system of the air conditioner comprises a closed pipeline formed by a compressor, a four-way valve, an outdoor heat exchanger, a throttling device and an indoor heat exchanger in sequential arrangement. Refrigerant flows in the closed pipeline, and a reversing device is arranged between an inlet and an outlet of the outdoor heat exchanger to enable same flowing direction of the refrigerant in the outdoor heat exchanger when the heat exchange system of the air conditioner is in a refrigerating status and a heating status. Owing to the reversing device is arranged between the inlet and the outlet of the outdoor heat exchanger, flowing directions of the refrigerant in the outdoor heat exchanger are same and both opposite to the air direction when the heat exchange system of the air conditioner is in the refrigerating status and the heating status, heat exchange effects of the outdoor heat exchanger are guaranteed to be always optimal, refrigerating and heating effects of the heat exchange system of the air conditioner are improved, energy efficiency in refrigerating and heating is improved, and accordingly service quality of the air conditioner is improved.

The invention belongs to the technical field of apple seedling propagation, and discloses a rapid propagation and sugar-free rooting culture method and application of apple rootstock malus prunifolia.The rapid propagation and sugar-free rooting culture method comprises the following steps of collecting malus prunifolia branches, carrying out water culture for about 15 days, taking grown tender shoots as explant materials, carrying out disinfection, inoculating into a primary culture medium, and culturing in an illumination environment; after seedling division, inoculating the seedlings into asubculture medium, and continuously culturing in an illumination environment; after growing for 30-40 days, selecting malus prunifolia seedlings which grow robustly, transferring the malus prunifoliaseedlings into a sugar-free culture box, placing the sugar-free culture box on a special culture shelf for sugar-free culture, introducing carbon dioxide gas, and carrying out sugar-free rooting culture for 25-35 days in an illumination environment to emerge seedlings. The culture medium is not prone to pollution, under the condition that gas exchange with the outside is guaranteed, photosynthesis of plants is fully utilized, the rooting rate and the transplanting survival rate of malus prunifolia tissue culture seedlings are increased, rooting and seedling hardening are combined, the time cost is saved, and high-quality and efficient production of the malus prunifolia tissue culture seedlings can be accelerated.

The invention provides a combined structure of a box culvert and a caisson and a construction method, which is characterized in that: the interior of the water-passing box culvert and the large caisson is connected by steel bars, and concrete is integrally poured to form the combined structure of the box culvert and the caisson, and the water-passing box culvert and the large caisson The bottom of the same concrete floor. A water flow channel is arranged in the water tank culvert, and holes are opened on the mediastinal wall, and through holes are opened on the front wall and the back wall. It constitutes the embankment part of the gravity wharf or breakwater, the lower part is the block stone foundation bed on the seabed, the upper part is the reinforced concrete parapet and block stone prism, and the top is the surface structure. The present invention changes from the original individual shipment and installation to the overall shipment and installation, which reduces the number of times of launching, long-distance floating and installation in the prefabrication yard, saves the construction period and cost, and is convenient and safe to construct; the structure of the water box culvert solves the problem of The water exchange between the harbor basin and the open sea ensures the water quality of the harbor basin, reduces wave penetration, and protects the safety of facilities in the harbor basin.

The invention discloses an outer circulation heat exchange energy-saving device for a communication equipment room. The device is characterized in that a heat exchanger is arranged outside the back of the equipment room, a cooling pipeline is arranged in a frame of the heat exchanger, a cold air collection box is arranged on the left of the heat exchanger, a left cold air channel and a right cold air channel are arranged on an air outlet of the cold air collection box, communication network equipment is arranged in the equipment room, an air-conditioner is arranged at back of the communication network equipment, a ground groove is formed in the bottom end of the air-conditioner, cold air channel grooves are formed in the bottom end of the communication network equipment, cold air inlet net plates are arranged at the upper ends of the cold air channel grooves, cold air outlet holes are formed in the upper end of the communication network equipment, a cold air tank is arranged in the ground groove of the bottom end of the air-conditioner, the cold air channel grooves are sequentially connected with the cold air tank, an exhaust fan is arranged at the right end of a hot air box, an exhaust pipeline is installed on the right of the exhaust fan, an exhaust inlet of the exhaust pipeline is installed in the equipment room, a temperature controller is arranged in the equipment room, and an outdoor temperature sensor is arranged on the left outside of the temperature controller.

The invention discloses a mineral paint formula. A mineral paint is prepared from the following raw materials in the following ratio: by weight, 20-50% of potassium silicate; 10- 20% of bamboo charcoal fiber; 1-5% of wetting agent; 10-20% of talc powder; 0.1-0.5% of mildew preventive; 10-15% of wollastonite; 0.1-0.6% of thickening agent; 1-2% of dispersant; and with the balance being water. The advantages of the mineral paint formula are: through adoption of wollastonite and the talc powder as mineral raw materials, the mineral paint formula is green and environmentally friendly and has no pollution; at the same time the bamboo charcoal fiber can ensure the gas permeability of the mineral paint, and can effectively ensure the indoor and outdoor and out a wall and outside exchange of air and moisture; and the added mildew preventive can effectively ensure the service life of the paint, and the paint can meet the demands of people.

The invention discloses a data piece equipartition selecting system and method based on the number of client-sides and belongs to the information technology processing field. The system comprises a server-side, a Tracker server and the client-sides. The method comprises the following steps: the server-side encoding data to form a seed document, and analyzing the seed document to be connected to the Tracker server; the server-side sending parameters of selection orders of the seed document and data pieces to the client-sides; after receiving the parameters of the selection orders of the seed document and the data pieces, the client-ends analyzing the seed document and conducting data pieces selection and data loading according to the number of the data pieces of the seed document and the parameters of the selection orders of the data pieces. The data piece equipartition selecting system and method solves the problem that in a data piece random selection strategy, data pieces in a BitTorrrent system is not evenly distributed.

The invention relates to a river ecological revetment and a construction method of the river ecological revetment. The river ecological revetment comprises a permeable adsorption filter layer, timberpile protection feet, a gabion retaining wall, a sediment ecological bag layer and a vegetation layer. The permeable adsorption filter layer is arranged at the junction of a river bank slope and a river bed, and the permeable adsorption filter layer comprises two permeable concrete layers and an adsorption filter layer. The bottom ends of the timber pile protection feet are embedded into the portion, adjacent to the outer edge of a bottom layer step of the permeable absorption filter layer, of the river bed. The gabion retaining wall comprises a gabion net cage and supports. The bottom sediment ecological bag layer is composed of multiple bottom layer ecological bags. The vegetation layer is composed of a soil layer and a vegetation net. The construction method comprises the following steps that the permeable adsorption filter layer, the gabion retaining wall and the vegetation layer are sequentially laid on the stepped slope of the river bank slope, and the timber pile protection feetare embedded into the slope toe position. The river ecological revetment and the construction method have the beneficial effects of ensuring the full exchange of water bodies, effectively adsorbing pollutants such as N, P and heavy metals in the water bodies, simultaneously ensuring the high anti-scouring capability of the water bodies and having good durability and applicability.

The invention relates to the technical field of fresh air purification systems, and particularly discloses a fresh air purifying system composed of an air conditioner and a graphene nanofiber membranetotal heat exchanger. The system comprises the air conditioner and the total heat exchanger. The total heat exchanger comprises a shell, a fiber membrane is fixedly connected in the shell, an exchange channel is fixedly connected to the position, on the surface of the fiber membrane, in the shell, a flow limiting mechanism is movably connected in the exchange channel, adjusting plates are movablyconnected to the two sides of the exchange channel, spring rods are movably connected into the adjusting plates, the ends, away from the adjusting plates, of the spring rods are movably connected with blockage plates, and when the adjusting plates make contact with the blocking plates, airflow can directly enter the exchange channel, at the moment, the blockage plates are away from the adjustingplates, a flexible pipe is opened, the airflow can enter the shell again, the above operation is repeated, the temperature difference between fresh air entering a room and the airflow existing in a room cannot be too large while the gas normal exchange is ensured, the temperature of introduced fresh air is close to the room temperature, and the energy consumption is reduced.

The invention provides a solution dehumidifying unit and an air conditioner with the same. The solution dehumidifying unit comprises a dehumidifying unit and a generation unit which are communicated with each other, and further comprises a first surface air cooler and a second surface air cooler, wherein the first surface air cooler is arranged on the air inlet side of the dehumidifying unit, so as to cool down gas on the air inlet side of the dehumidifying unit; the second surface air cooler is arranged on the air outlet side of the dehumidifying unit, so as to heat up gas flowing out of the dehumidifying unit. The solution dehumidifying unit solves the problem of high power consumption of a heat pump of a solution dehumidifying unit in the prior art.

The invention discloses a method for repairing heavy metal Pb and Cd contaminated soil by water spinach combined with an organic substrate. The method uses the combination effect of water spinach andthe organic substrate to adsorb and enrich Pb and Cd ions in the contaminated soil, wherein the organic substrate is prepared from the following raw materials by weight: 7 to 10 parts of peat soil, 1to 2 parts of vermiculite, 1 to 2 parts of perlite, 1 to 2 parts of straws, 1 to 2 parts of carbonized grains, and 1 to 2 parts of wine residue. The water spinach is combined with the organic substrate to adsorb and enrich the Pb and Cd ions in the contaminated soil, the added organic substrate can promote the conversion of Pb and Cd into an exchangeable state, and promotes the efficiency of plantabsorption and improve the physical state of the soil and plant habitats, the method has significant enrichment and transfer effects on heavy metals such as the Pb and Cd in the soil, and has low cost for in-situ remediation of the Pb and Cd contaminated soil, low time, simple operation, high repair rate and good stability, and waste recycling can be achieved.

The invention relates to a mine electric power electrical distribution cabinet with good dust removal performance, belonging to the technical field of electrical equipment. Aiming at the problems of simple structure design, single function, poor dust-proof effect and inconvenient use of distribution cabinets, the mine electric power electrical distribution cabinet with good dust removal performance is provided. The mine electric power electrical distribution cabinet with good dust removal performance comprises an distribution cabinet body; the inner walls of both sides of the distribution cabinet body are welded with sliding guide rails; sliding seats are connected on the outer walls of one side of the two sliding guide rails in a sliding manner; the outer wall of one side of the sliding seat is provided with an installation groove, and the inner wall of the installation groove is clamped with a storage plate; and the outer wall of one side of the sliding seat is provided with a threaded hole, and the inner wall of the threaded hole is connected with a positioning bolt through the thread. The invention can perform dynamical balance control of the temperature inside the distributioncabinet, therefore, the service performance of the distribution cabinet is ensured; and the invention can adjust the storage space inside the distribution cabinet, thereby effectively arranging the electronic components, therefore, the smoke and dust pollution to the distribution cabinet caused by the environment around the mine is avoided.

The invention discloses a high-strength river channel ecological bank protection bonded brick and a reinforcing and building method thereof. A left abutting surface and a right abutting surface of each ecological bank protection bonded brick are provided with a limiting bump and a limiting groove; the limiting bumps and the limiting grooves are distributed at intervals; the limiting bumps on the left abutting surface and the limiting grooves in the right abutting grooves of two adjacent bricks are mutually bonded; an additional stake curing through hole and a material saving through hole are formed between an upstream surface and a downstream surface; the additional stake curing through hole is for a cured stake to penetrate; the material saving through hole is a material saving space and is also an inhabiting space for aquatic animals such as fishes, shrimps and crabs. The high-strength river channel ecological bank protection bonded brick disclosed by the invention has the advantages of improving the pressure bearing capability and wave beat resistance of a dam and a river bank under an extreme condition of deep water, jet stream and beach comber, solving the problems of lack of raw materials such as building stone materials for bank protection and disposal of sludge, promoting healthy development of a river channel ecological system and being rapid in construction, long in service life and capable of fully playing comprehensive functions of a river channel in the aspects of flood prevention, flood drainage, ecological environmental protection, improvement of surrounding environment and the like.

The invention relates to a heat exchanger (1) comprising a shell (2) containing a heat exchange device (3) and delimiting a combustion chamber (30), said shell (2) being provided with an access opening and with a door (5) provided on its inner face with a burner (4).It is remarkable in that said door (5) is mounted pivotally around a pivot (6) attached to the end of a slide (7), in that said shell (2) is provided on its exterior surface with axial guide means (8) of said slide (7) along a displacement axis X2-X′2 which extends parallel to the longitudinal axis X-X′ of said shell (2), in that the pivot (6) extends along an axis Z-Z′ perpendicular to said displacement axis X2-X′2, the travel of said slide (7) being greater than the length of the burner (4).

The invention discloses an aquaculture net cage which comprises a rectangular cage body; the cage body is provided with a bottom plate, two long side lateral plates and two short side lateral plates; each of the long side lateral plates is of a steel plate structure; each of the short side lateral plates is of a steel wire mesh structure or a steel wire mesh is arranged at the upper part of one side in the short side lateral plate, a steel plate is arranged at the lower part, and the steel wire mesh structure is formed on the other side; the short side lateral plate on the left side is inclined, and the short side lateral plate on the right side is vertical; both the long side lateral plates and the short side lateral plates are provided with reinforcing bars; a corridor is arranged at the top of the rectangular cage body; an aeration fan is arranged on the corridor; an aeration pipeline is connected to the aeration fan and extends to the bottom of the cage body. The aquaculture net cage disclosed by the invention has the benefits that the fish farming yield per mu rises, so that the fish yield with a floor area of 1 / 5 is equivalent to mu yield obtained by traditional farming; the plate type structure of each of the long side lateral plates can be effectively isolated from an external water body, so that dissolved oxygen and baits are controlled in equipment, and the loss of the baits is reduced.

The invention discloses a riverway ecological slope protection greening method. The method comprises the following steps that S1, a stone masonry layer is constructed on the downhill section of a riverway slope; S2, a reinforced mike pad on the uphill section of the riverway slope; and S3, greening is carried out on the reinforced mike pad slope section of the riverway slope. According to the riverway ecological slope protection greening method, by constructing the grouted stone masonry layer on the downhill section of the riverway slope, the reinforced mike pad is laid on the uphill section of the riverway slope, and green plants are planted, so that an effective double-section bank protection structure is implemented on the riverway slope, the situation that a riverway shore is collapsedand damaged due to resisting water flow scouring and dredging and erosion as well as actions of ship traveling waves can be avoided at a normal water surface height, normal exchange between a river water body and a riverway slope soil body can be guaranteed under the water surface height in a water swelling period, and the ecological environment in water is improved; and the green plants are planted in the uphill section of the riverway slope to embody ecological and landscape functions, so that the riverway slope is coordinated with the surrounding environment.

The invention provides a liquid dressing and a production method thereof, and belongs to the technical field of medical supplies. The liquid dressing is composed of polyvinylpyrrolidone (PVP), carbomer 940 and purified water. Microbial limit requirements are that the total number of aerobic bacteria is less than or equal to 100 cfu / mL, the total number of molds and yeasts is less than or equal to 100 cfu / mL, and staphylococcus aureus and pseudomonas aeruginosa are not detected. The liquid dressing is prepared from, by weight, 0.5-50.00% of the polyvinylpyrrolidone, 0.1-0.50% of the carbomer 940, 0.1-99% of the purified water and an appropriate quantity of a preservative. The technological method comprises the steps that the raw materials are weighed according to a formula ratio, the raw material polyvinylpyrrolidone and preservative are placed in a container filled with the purified water, so that the polyvinylpyrrolidone and the preservative are fully dissolved to prepare a solution; the carbomer 940 raw material is placed in an another container filled with purified water, so that the carbomer 940 raw material fully swells to prepare a hydrogel solution, and then the solution and the hydrogel solution are mixed, stirred uniformly and subpackaged to form the liquid dressing. A protection layer is formed on the surface of a wound, which plays a physical barrier role. The liquid dressing is used for nursing of small wounds, abrasions, incised wounds and other superficial wound surfaces and surrounding skin.

The invention discloses a magnetic 3D gel guide pipe for repairing nerve defects and a preparation method and application thereof. The magnetic 3D gel guide pipe is prepared from the following components in parts by weight: 97-99 parts of an alginic acid / chitosan mixture, 0.8-1.5 parts of Fe3O4 and 0.8-1.5 parts of GO, the magnetic 3D gel guide pipe is of a spiral structure, the screw pitch is 30[mu]m-60[mu]m, the inner diameter of the guide pipe is 1mm-8mm, and the outer diameter of the guide pipe is 2mm-10mm. The preparation method of the magnetic 3D gel guide pipe comprises the following steps that a spinning solution is prepared, specifically, the alginic acid / chitosan mixed solution, a Fe3O4 dispersion solution and a GO dispersion solution are mixed, and normal-temperature ultrasonictreatment is carried out to obtain a spinning solution; and the magnetic 3D gel guide pipe is prepared, the spinning solution is pumped into a micro-fluidic chip from a main liquid phase inflow channel, a calcium chloride solution and absolute ethyl alcohol are pumped into the micro-fluidic chip from different auxiliary liquid phase channels, the pumping speeds of the spinning solution, the calcium chloride and the absolute ethyl alcohol is adjusted, and the magnetic 3D gel guide pipe is prepared. According to the magnetic 3D gel guide pipe for repairing the nerve defects and the preparation method and application thereof, a microfluidic technology is adopted, and the prepared guide pipe can safely and effectively promote rapid repair of peripheral nerve defects.

The invention discloses a nickel-gold plated treatment process for a blind hole surface of a circuit board. The process comprises the following steps of: step 1: preparing a circuit board having metallized blind holes in the surface; step 2: processing the surface of the metallized blind holes through water washing; step 3: before electroplating nickel gold, removing the bubbles in the metallizedblind holes through ultrasonic waves; step 4: according to the material of the circuit board, setting the current parameters of the electroplating, and carrying out nickel-gold electroplating on the surfaced of the metallized blind holes; step 5: during the nickel-gold electroplating process, continuously shaking the circuit board to accelerate the flow of the electroplating solution and dischargethe bubbles on the surfaces of the metallized blind holes; and step 6: after the nickel-gold electroplating is completed, stopping the shaking. According to the invention, by properly exchanging theelectroplating solution in the metallized blind holes, the problem that the metallized blind holes fail to be electroplated is solved.

The invention discloses an air transportation device for small rodent experimental animals. The air transportation device comprises an inner box and an outer box. A transparent observation window is arranged on the inner box. The inner box comprises a box cover and a box body. Each of the box cover and the box body is provided with a gas-permeable area. Each gas-permeable area is composed of small holes densely formed and is covered with a filtering film. The vertex angles of the box body are configured to be in a circular arc shape. A separation groove is formed in the box body. A plastic partition can be clamped into the separation groove. Both the box cover and the box body are provided with cylindrical supporting feet. The interior of the outer box is molded at a time by a lightweight thermal insulation material. Handles, exhaust flow diversion holes, exhaust flow diversion channels, a temperature sensor and a temperature control module with a pull hand are arranged on the outer box. The air transportation device for the small rodent experimental animals effectively solves the problems about air circulation of transportation boxes during transportation, meets the requirement on the cleanliness and solves the problem about temperature regulation, so that the comfort and safety of the animals during long-distance transportation, especially during the air transportation are guaranteed.

The invention discloses a time-sensitive network communication system and method based on a SiPM sensor. The SiPM sensor and a data acquisition module are arranged as front-end acquisition equipment to receive information data of a scintillation pulse event, an FPGA main controller analyzes and operates the data, packages the data into UDP data, converts the UDP data into optical signals through an Ethernet PHY chip and a front-end SFP optical transceiver module, and sends the optical signals, a receiving end receives the optical signals and exchanges data with a server through a PCIE interface, the receiving and transmission rate of the receiving end can reach 4.00 Gbps, the sending rate of the receiving end is 3.85 Gbps, and large-data-volume information exchange can be provided. Based on the TSN specification, the real-time performance and stability of data can be ensured in information communication; and meanwhile, independent protocol standards are adopted for all protocols, goodcompatibility is achieved, and convenience is provided for later expansion and interconnection and intercommunication with other devices.

The invention discloses an anoectochilus roxburghii closed type cultivation container and a substrate cultivation method thereof. Anoectochilus roxburghii plants can grow in a closed mode in the cultivation container for 5-6 months, in the whole growth process, watering, fertilizer applying and other management measures are not needed, and only the growth and health condition of the plants need tobe inspected and observed. The anoectochilus roxburghii closed type cultivation container and the substrate cultivation method thereof have the advantages that not only the chance of plant infectioncan be reduced and the spread range of germs can be controlled, but also the time, the labor and the cost are saved, and the cultivation container is conductive to large-scale promotion.