110 results about "Tracheid" patented technology

The invention relates to an artificial simulated climate chamber test device capable of forming multiple icing types. The device comprises an artificial climate chamber. An outer side of the artificial climate chamber is provided with an icing water tank and an air compressor, and is internally connected with icing water atomizer sets and an insulator chain which are correspondingly arranged. The icing water tank is connected with the icing water atomizer sets through a water pipe. The water pipe is connected with a water pump, a water pressure gauge and an icing water valve. The air compressor is connected with the icing water atomizer sets through a gas pipe. The gas pipe is connected with a gas pressure adjusting valve, a gas pressure gauge and an icing gas valve. The device provided by the invention has the advantages that the device is simple to use and operate and convenient to operate and maintain; by adjusting the pressure of icing water and icing gas, multiple icing types of glaze, rime, mixed rime and wet snow can be achieved on the surface of a test object; and the power consumption of refrigeration equipment of an icing test system can be effectively reduced, the economical efficiency of the icing test can be improved, and a foundation is laid for directly applying the icing test result to the deicing design and the ice-melting work of power transmission and transformation equipment in the heavy ice area.

The invention provides an alternate cooling and heating yield increasing method for a gas extraction bored well. The method comprises the following steps: sequentially feeding a gas extraction pipe and a gas injection pipe into a ground bored well; opening a valve II and injecting a large amount of clear water into the ground bored well through the gas injection pipe so as to enable the water to enter gaps in coal layers at the periphery of the ground bored well; injecting compared air with the pressure of 1-2MPa into the ground bored well through the gas injection pipe and discharging the clear water in the ground bored well through the gas extraction pipe; injecting cold air into the ground bored well through the gas injection pipe; closing the valve II, and keeping for 2-5 days so as to enable the water in the coal layers to be fully iced by cold energy; injecting high-temperature nitrogen gas into the ground bored well through the gas injection pipe so as to enable ices to be thermalized into water vapor and discharging the water vapor through the gas extraction pipe; closing a valve I and the valve II so as to enable ices in the gaps to be fully de-frozen; opening the valve I and the valve II so as to reduce the internal temperature of the ground bored well to normal temperature; injecting compressed air with the pressure of 5-10MPa into the ground bored well through the gas injection pipe so as to discharge water in the bored well; closing the valve II and starting to extract gases in the coal layers.

The invention relates to a sewage treatment device and method for net cage culture in a large-sized water region. The device is characterized by comprising a dirt collection bucket, wherein the dirt collection bucket is arranged at the bottom of a net cage; the dirt collection bucket is communicated with a blow-off pipe and is connected with a gas-liquid mixer in the middle part; the air discharging opening of the gas-liquid mixer is connected with an air conveying pipe; the drain outlet at the tail part of the blow-off pipe is communicated with a screen net cage; the water outlet of the screen net cage is communicated with a dirt collection tank; the dirt collection tank is internally provided with a biological bacteria film; the air conveying pipe stretches into the dirt collection tank and is connected with an aeration pipe; the aeration pipe is transversely arranged and is located below the biological bacteria film; the dirt collection tank is internally and fixedly provided with a filtering tank; the filtering tank adopts yarn thin silk to filter; the water outlet of the filtering tank is communicated with a biological floating island treatment system; the biological floating island treatment system is fixed on the side face of the dirt collection tank and is internally provided with a water flow channel; aquatic plants are planted inside the water flow channel; and water in the dirt collection tank enters the water flow channel and then is purified and discharged into the large-sized water region.

The invention discloses a method for cultivating live glossy ganoderma vase landscape, which is characterized by comprising the following steps: filling proper amount of porous filler at the bottom in a vase, implanting a temperature-resistant drainage tube and an air duct with built-in filter material, and putting one end of the drainage tube and one end of the air duct at the opening of the vase, positioning the other end of the drainage tube at the bottom of the vase, positioning the other end of the air duct on the slightly lower part of the upper surface of the porous filler, filling a cultivation material into the opening of the vase, pricking one deep strain inoculation hole in the center of the cultivation material, inoculating liquid strain into the strain inoculation hole after sealing, sterilization and cooling, and switching into cultivation management; and regulating the growth conditions required by glossy ganoderma cultivation by adjusting temperature, humidity, illuminance and the like of environment and adding moisture or nutrient fluid in time through the drainage tube to meet the requirement of moisture and nutrition of the cultivation material at different growth stages. The method effectively solves the problems of regulating moisture, nutrient element, oxygen content and the like of glossy ganoderma mycelium and fruiting body at different growth stages, and is easy to operate, and the products are tufted and multibranched and have various shapes and natural beauty.

An exophytic surface sterilization method belongs to the technical field of plant tissue culture, comprising three steps of cleaning explant, soaking sterilization of disinfector solution, aseptic water flushing, characterized by removing an unused part of the explant, directly cleaning using 70-75% alcohol solution rather than tap water, putting into the disinfector solution for explant sterilization after cleaning. In the inventive technical scheme, cleaning and sterilization are developed at the same time, thereby avoiding animalcule flushed in the tap water or the explant enter the inside of vegetable trachea along capillary of the explant, greatly reducing pollution ratio of plant tissue culture.

The invention relates to a Chinese fir carbon sheet electrode material based on carbon nanotubes and manganese dioxide. The electrode material is characterized in that carbonized flaky fir pieces obtained through activation treatment, chemical vapor deposition and electrochemical deposition are included, after activation treatment, a tubular cell structure which is neat and straight from top to bottom is formed in the carbonized flaky fir pieces, chemical vapor deposition involves chemical vapor deposition of the carbon nanotubes on the flaky fir pieces after CO2 activation, the carbon nanotubes are grown on an inner wall of the tubular structure, and electrochemical deposition involves electrochemical deposition of the manganese dioxide around the carbon nanotubes on the flaky fir piecesafter chemical vapor deposition. The electrode material is advantaged in that the carbon nanotubes are prepared on the inner wall of the Chinese fir tracheid by chemical vapor deposition, the MnO2 iselectrochemically deposited on the inner surface of the tracheid, and device stability and cycle performance are improved.

The invention discloses a methane hydrate collecting device for a shallow stratum. The device comprises a gas pumping tube and a central rod; a moving block is fixed to the tail end of the central rod; a plurality of heating tubes which are connected in parallel are fixed on the outer wall of the moving block. The device further comprises a collecting cover with an arc-shaped cross section; an annular groove is formed in the outer wall of the gas pumping tube; a plurality of balls are mounted on the inner wall of a through hole; the upper side and the lower side of the collecting cover are respectively connected with the inner walls of two sides of the annular groove through elastic rubber rings; a reflecting plate is mounted on the inner wall of the collecting cover; the thickness of the reflecting plate is gradually increased from the center to two ends; a plurality of reflecting bulges with triangular longitudinal sections are arranged on the inner wall of the reflecting plate. According to the device, combustible ice can be decomposed by grades through the collecting cover and the moving block, so that the heat of the combustible ice can be slowly diffused, the combustible ice cannot be overflowed due to excessively fast decomposing while continuously pumping methane through the gas pumping tube, the influence of production of combustible ice on the environment can be avoided, and as a result, the purposes of increasing the production rate and improving the safety and reliability can be achieved.

The invention discloses an axial vacuum fire retarding treatment method for wood. The axial vacuum fire retarding treatment method for the wood includes the steps that the wood is placed in a vacuum treatment device in a sealed manner, and axial vacuum impregnation treatment is conducted on the wood so as to enable fire retarding liquid to be guided into different positions in the wood along axial channels, such as vessels or tracheids of the wood, and internal fire retarding treatment of the wood is achieved; the impregnated wood is soaked in an ultrasonic treatment pool containing the fire retarding liquid to be subjected to ultrasonic treatment, and the surface layer of the wood is dipped with the fire retarding liquid; and drying treatment is conducted on the fire retarding wood. By the adoption of the axial vacuum fire retarding treatment method for the wood, wood treatment operation is convenient, the speed is high, the process is simple, and energy consumption is low; the consumption of a fire retardant is low, use efficiency is high, and cyclic utilization can be achieved; and the chemical loading capacity of the manufactured fire retarding wood reaches 60 kg / m<3> to 100 kg / m<3>, the fire retardant is evenly distributed in the wood and the surface layer of the wood, and the fire retarding effect is good.

The invention relates to a production device of germinated rice. The production device comprises a hollow germinating container, wherein a first water inlet pipe, a first exhausting pipe and a feeding pipe are arranged on the top of the germinating container; the first exhausting pipe is used for exhausting air in the germinating container to generate negative pressure, the feeding pipe is used for leading unpolished rice into the germinating container under the action of the negative pressure, and the first water inlet pipe is used for spraying water; a filter plate is fixedly arranged in the germinating container to divide into a hollow space into a first containing chamber and a second containing chamber which are longitudinally adjacent to each other; the filter plate comprises a plurality of through holes, and the hole diameters of the through holes are smaller than the particle size of the unpolished rice; a second water inlet pipe, a second exhausting pipe, a draining pipe and an air inlet pipe are arranged at the bottom of the germinating container, and a discharging hole is formed in the bottom of the germinating container; the second water inlet pipe and the draining pipe are respectively used for feeding water and discharging water, the second exhausting pipe is used for exhausting air in the second containing chamber to generate negative pressure to drain residual water after the water is drained, and the air inlet pipe is used for supplying air into the second containing chamber to generate airflow to writhe the unpolished rice in the first containing chamber. The invention further relates to a production method of the germinated rice.

The invention discloses a soil gas sampling device suitable for different depths in permafrost regions. Its structural feature is that the hollow gas collection cavity is a double-layer cylindrical cylinder, and the inner and outer walls of the cylinder are evenly opened with ventilation holes. The bottom of the cylinder and the The top is sealed; the semi-permeable membrane is located in the middle of the double-layer cylindrical cylinder, and the hollow gas collection cavity is closely connected with the suction pipe. Valve connection; the left and right ends of the four-way valve are respectively connected to an air bag, and the remaining port of the four-way valve is connected to the straight-through valve. The port of the straight-through valve is provided with a silicone plug, and the syringe is inserted into the silicone plug. The device is easy to install, has low manufacturing cost and reasonable design, and can be widely used in the collection and monitoring research of greenhouse gas emissions from farmland, garbage landfills, grasslands and frozen soil regions.

The invention provides a movable raw material drying treatment device for biological medicine. The movable raw material drying treatment device comprises a tank body and an upper cover, wherein the interior of the tank body is arranged as a drying chamber; a feeding pipe is arranged on the upper cover; a raw material lifting stirring device is arranged inside the drying chamber; the raw material lifting stirring device comprises a first motor, a stirring shaft and a spiral stirring blade; a drying device is arranged at the bottom of the drying chamber; the drying device comprises a transmission box, a second motor, an air inlet pipe, a rotating shaft and an air injection plate; a clamping sleeve is arranged on the outer surface of the tank body; the top of the clamping sleeve communicates with one end of an air guide pipe; the other end of the air guide pipe communicates with the top of the drying chamber; and a moisture extraction device is arranged on the side wall of the bottom of the clamping sleeve. According to the movable raw material drying treatment device, the raw material lifting stirring device is arranged, so that raw materials are uniformly stirred conveniently, and efficient drying of the raw materials is facilitated; the drying device carries out uniform drying treatment on the raw materials; and the clamping sleeve and the moisture extraction device are arranged, and heat preservation treatment is carried out on the tank body through extracted moisture.

The invention provides modified China fir composite wood. The composite material has better dimensional stability. Impact toughness of modified China fir is reduced slightly, while other main mechanical performance indexes such as bending strength, bending elasticity modulus, parallel-to-grain compressive strength, hardness and the like are all increased. Fast growing China fir wood is treated with an aluminium sulfate solution and a water glass solution in sequence in experiments in order to improve properties of the fast growing China fir wood. Aluminium ions immersed into the wood are boundwith silicate ions, aluminium sulfate precipitates are generated in wood microfiber gaps and cells of tracheids (or fiber), so that the wood is filled with a large amount of inorganic matter, and theChina fir inorganic composite wood is obtained. Dimensional stability of the inorganic composite wood is improved substantially, anti-shrinkage coefficient can reach 34.21, and stability coefficientreaches 80% or higher.

The invention provides an artificial pollination device for saline-alkali soil greenhouse organisms. The artificial pollination device comprises a pollen placing chamber, wherein a pollen outlet is formed in the bottom of the pollen placing chamber; the bottom of the pollen placing chamber is connected with a pollination tube at the middle of the pollination tube; a nozzle is formed in the left end of the pollination tube; an air cylinder is arranged at the right end of the pollination tube; an air outlet of the air cylinder is connected with an air outlet pipe; an air spray head is arranged at the tail end of the air outlet pipe; the air spray head is positioned on the right side of the pollen outlet; the air outlet of the air cylinder is also connected with an air inlet pipe; a pressing block is arranged on a piston rod of the air cylinder. According to the invention, the artificial pollination device replaces labor and sticks a picked male flower to a female flower for pollination, avoids human body movements, saves manpower and material resources, is high in pollination efficiency for female flowers and pollination rate, and the plants pollinated by using the device are high in fruit setting rate; through the adoption of the device, pneumatic spraying is adopted, and the acting force indirectly acts on stigmas, so that the damage to stigmas is effectively avoided, and the fruit aberration rate is reduced.

The present invention provides a forming method and a structure of an aluminum alloy surface interference film. The forming method comprises at least the following steps: providing an aluminum alloy workpiece; carrying out a pretreatment on the aluminum alloy workpiece so as to clean the surface of the workpiece; carrying out an anode treatment on the aluminum alloy workpiece for a predetermined time until the surface forms an oxidation film with a plurality of tracheid-like micropores; adopting an acid solution to carry out a hole expansion treatment on the oxidation film of the aluminum alloy workpiece to expand the pore size of the tracheid-like micropore; carrying out an electrifying hole expansion treatment so as to expand the bottom of the tracheid-like micropore and form a deposition zone; depositing a specific metal in the deposition zone of the tracheid-like micropore to form an interference structure; carrying out a hole sealing treatment on the tracheid-like micropore with a hole sealing agent; and removing ash. With the present invention, an aluminum alloy surface interference film structure is formed by using the method.

The invention provides a ventilating device for bean pulp fermentation. The ventilating device comprises a ventilating rod and a temperature detector, wherein the ventilating rod is inserted in a material, the temperature detector is positioned on the ventilating rod in the material, the ventilating rod is connected with an external gas filling pump through a gas pipe, and the gas pipe is provided with a switch valve. According to the ventilating device provided by the invention, the end part of the ventilating rod is provided with the temperature detector, the gas pipe is provided with the switch valve and a flow meter, the ventilating amount can be adjusted through the valve according to the change situation of the temperature of the fermented material, thus the ventilating quality and the ventilating efficiency can be effectively increased, the quality of a fermented product can be uniform, the performance of the fermented product can be stable, and the digestion and absorption rate of animals on fodder can be effectively increased.

The invention relates to the field of aquatic product breeding devices, and specifically relates to a breeding device for fry. The device comprises a breeding barrel, a water returning barrel, a water processing barrel and a clear water barrel; a supporting bar is fixed on the breeding barrel; a gas pipe is cooperatively arranged in the middle gap of the supporting bar; a fixture block which is used for limiting the position of the gas pipe is fixed on the gas pipe; the upper end of the gas pipe stretches out of the top end of the breeding barrel; the lower end of the gas pipe is close to the bottom of the breeding barrel; a trumpet-shape air inlet is arranged at the top end of the gas pipe; screw blades which can generate induced draft are fixed in the air inlet; a rotating fan is fixed on an end, which is close to the air inlet, of the gas pipe; a water spraying pipe is arranged at the bottom of the clear water barrel; the water spraying pipe is aimed at fan blades of the rotating fan; the lower end of the gas pipe is located inside the breeding barrel; and a plurality of gas discharging holes are arranged in the lower end of the gas pipe. In the breeding device for fry provided by the invention, the screw blades rotate accordingly with the gas pipe and introduce air out of the gas pipe into the gas pipe; the air enters water and increases oxygen in the water in the breeding barrel; the air overflows from the gas discharging holes and impacts fry near the gas pipe and a water passing hole away, so that the fry are prevented from flowing away with water through the water passing hole.

The invention relates to an anti-freezing urban afforesting wall applicable to greenhouse plant growth, which comprises a wall body and a heat insulation device; the heat insulation device comprises a raw material box and a reaction box; diluted hydrochloric acid is arranged in the reaction box; limestone and a material control mechanism are arranged in the raw material box, and the material control mechanism comprises a first driving motor, an eccentric wheel, a contact block, a strut, a spring, a block and two baffles; several afforesting units are arranged on the wall body, and each afforesting unit comprises a concave opening, a sealing plate and two hinge units; an afforesting component, an air outlet pipe and two driving units are arranged in the concave opening. According to the anti-freezing urban afforesting wall applicable to greenhouse plant growth, the driving unit can drive the sealing plate to downwards rotate and then isolate the afforesting components and prevent greenhouse plants from being cold-harmed by rainwater under the cold climate; moreover, the limestone can enter the reaction box through the material controlling mechanism to react with the diluted hydrochloric acid and generate greenhouse gas; the greenhouse gas is conveyed to the concave opening; thus the anti-freezing urban afforesting wall is good for keeping the growth of the temperature environment and the greenhouse gas.

The invention provides an electric automobile battery module, which comprises a circulation air supply device, an air inlet pipe main pipeline, an air inlet pipe branch pipeline, an air outlet pipe branch pipeline, an air outlet pipe main pipeline, an air quantity homogenizing plate and battery cells. The electric automobile battery module is characterized in that a plurality of air quantity homogenizing holes are formed in the air quantity homogenizing plate; the air quantity homogenizing plate is arranged between the battery cells of the battery module; circulation air in the air inlet pipe main pipeline enters the plurality of air quantity homogenizing holes formed in the air quantity homogenizing plate through the air inlet pipe branch pipeline, so that the air quantity passing through the surface of each battery cell is identical; then, the air is guided out through connecting the air outlet pipe branch pipeline arranged at the other end of the air quantity homogenizing plate with the air outlet pipe main pipeline. According to the structure, the heating or refrigeration efficiency of the battery module is improved, so that the safety of the process is improved.

The invention discloses an automatic crust breakage biogas fermentation tank. The tank body of the automatic crust breakage biogas fermentation tank is provided with a hydraulic pressure chamber, a gas storage chamber and a fermentation chamber in sequence from top to bottom, wherein the hydraulic pressure chamber is communicated with the fermentation chamber through a communicating pipe; the gas storage chamber is connected with a gas delivery pipe which leads to the exterior of the tank body; the fermentation chamber is connected with a feed pipe which is inserted from the exterior of the tank body; a cross frame and a plurality of crust breakage cones are arranged in the gas storage chamber; the bottom end of each crust breakage cone is a tip and faces towards the fermentation chamber; the top end of each crust breakage cone is fixedly connected with a bottom plate of the hydraulic pressure chamber; and the cross frame is fixedly connected with the tank body. By arranging an automatic crust breakage device in the fermentation tank, not only can a scum crust layer be crushed, but also the crust layer can be softened and soaked, so that a part of scums are settled and digested again, the raw material conversion rate is improved, the scum formation is reduced, and the scum is discharged easily.

The invention provides an acipenseridae fish breeding device provided with air bags, and relates to the technical field of aquaculture. The device includes a culture box; the upper right of the culture box is provided with a water pipe; the water pipe communicates with water source; the upper end of the culture box is provided with a heat preservation shell; the left side of the heat preservationshell communicates with an exhaust fan; the connection section of the exhaust fan and the heat preservation shell is provided with a filter screen; an air outlet of the exhaust fan is connected to anL-shaped air pipe; and the L-shaped air pipe is uniformly provided with semicircular air bags, and the semicircular air bags are provided with air holes. Under the action of the exhaust fan, bait in the culture box can be flew upward from the bottom, so that the bait can float in the water all the time, and waste caused by the sinking and piling of the bait can be avoided; through the arrangementof the filter screen, filtering can be performed on impurities in air, and the impurities can be prevented from entering water to cause pollution to the water; and the device is simple in structure and convenient in operation, can perform automatic drying and stirring on the bait so that the bait can be prevented from wetting and caking, and is suitable for large-scale popularization.

The invention discloses a windrow composting aeration system which comprises a groove and a gas pipe, wherein the groove is formed in a pre-composting ground along a windrow orientation and has a width smaller than that of wheels of a turning and throwing machine; the gas pipe is laid at the bottom of the groove; a plurality of aeration notches are formed in a pipe wall of the gas pipe; other parts in the groove are filled with rice husks. The windrow composting aeration system provided by the invention has the functions that gas is supplied by the gas pipe rather than the groove; the gas pipe does not interfere with turning and throwing, can supply gas without blockage, can discharge accumulated water automatically, and the like, so that the windrow composting aeration system is more sufficient in the amount of supplied oxygen, rapid to heat up, high in fermentation temperature, short in fermentation period, rapid in material turnover, and high in productivity.

The invention discloses a mixed staining solution for a section used for observation of xylem parenchyma, and a preparation method for the section. The mixed staining solution for the section comprises an ethanol solution of safranine and an aqueous solution of Alcian blue, wherein a volume ratio of the ethanol solution of safranine to the aqueous solution of Alcian blue is (30-40): (60-70); and the concentrations of the ethanol solution of safranine and the aqueous solution of Alcian blue are both 0.008 to 0.012 g / ml. In the mixed staining solution for the section, saffron dyes fibrous tissueand Alcian blue dyes parenchymatous tissue; so the parenchymatous tissue, fibrous tissue and ducts (or tracheid) of the stained section can be clearly observed at the same time, and the fibrous tissue and parenchymatous tissue of xylem can be clearly distinguished. Compared with staining solutions consisting of the ethanol solution of safranine and the aqueous solution of Alcian blue in other ratios, the mixed staining solution of the invention has better dyeing effect and shorter section preparation time; and the mixed staining solution is applicable to all the woody plants and overcomes thedisadvantage that staining agents used in conventional section preparation methods are hard to distinguish the fibrous tissue and the parenchymatous tissue by color.

The invention discloses a dragon fruit pulp picking device which comprises a pulp picking mechanism. The pulp picking mechanism comprises a base, a rotating bracket and a rotating shaft. The rotatingbracket comprises a rotating abutment and a plurality of scrapers for scraping the pulp. The scrapers are mounted on the rotating abutment and distributed around the rotating shaft. The rotating shaftincludes an air blowing pipe and an air suction pipe sleeving the outside of the air blowing pipe. An air blowing channel is formed on the inside of the air blowing pipe, and an air suction channel is formed between the air blowing pipe and the air suction pipe. The scrapers and the rotating shaft stretch into the dragon fruit and rotate together, the scrapers scrape off and break the pulp, and the pulp is peeled under the effect of the air blown from the air blowing pipe. The air blowing pipe and the air suction pipe act together, the air in the air blowing channel blows the broke pulp whichis absorbed and collected by the air suction channel. By means of the picking device, the broken pulp can be obtained without removing the peel. Due to the fact that the scrapers and the rotating shaft peel the pulp together, the pulp can be obtained more completely and cleanly.

The invention discloses a giant salamander domestication and reproduction hole, and belongs to the field of cultivation of amphibians. The giant salamander domestication and reproduction hole comprises a hole body, a water inlet tube and a ventilation opening, wherein the hole body comprises a cobblestone shading layer, a cobblestone layer and a hole opening; the hole opening is formed in the lower part of one side of the hole body; the cobblestone shading layer is arranged on the upper part of the hole opening; the ventilation opening is formed between the cobblestone shading layer and the top of the hole body; the cobblestone layer is paved on the bottom of the hole body; an air bag is further arranged in the hole body and respectively communicates with an air inlet tube and an air outlet tube which are used for circulation of hot air; the air bag is positioned between the bottom of the hole body and the cobblestone layer; a water inlet is formed in the other side of the hole body; and the water inlet tube is arranged at the position of the water inlet. A simulated ecological growth environment is provided for giant salamanders in a reproduction period, growth and reproduction of the giant salamanders in the reproduction period are facilitated, and labor management is also facilitated.

The invention discloses an unconsolidated formation grouting experimental device. The unconsolidated formation grouting experimental device comprises a grouting machine tool, a grouted body container (18), a water pressure control system, a confining pressure system and a monitoring system. The grouting machine tool is communicated into an accommodating cavity of the grouted body container (18); the water pressure control system is communicated into the accommodating cavity of the grouted body container (18) through a conveying pipeline (14); the confining pressure system comprises a pressure source gas cylinder (10), a gas pipe (12) and a high-pressure gas bag (17) arranged in the grouted body container (18), and the high-pressure gas bag (17) after gas filling is attached to the inner wall of the grouted body container (18); and the monitoring system comprises an external information collection device (21) and a pressure sensor (19) arranged in the grouted body container (18), and the information collection device (21) is connected with the pressure sensor (19) through a connecting wire (22). The unconsolidated formation grouting experimental device disclosed by the invention has the advantages of simple structure, convenience in assembly, easiness in measurement operation, accurate and reliable test results, wide range of applications and the like.

A method is provided for reliably determining anatomical properties of a tree having a plurality of growth rings spaced from each other in a radial direction. The method involves preparing a sample from a tree to be analyzed, and preparing an image of the sample at a resolution sufficient to analyze at least one of the earlywood and latewood portions of one or more rings. The image is used to determine at least one anatomical property of the sample based on the image, the anatomical property being selected from the group consisting of sample density, tracheid wall thickness, and tracheid exterior dimension.

The invention relates to a tea fermenter with a ventilation duct. It is characterized in that the fermenter body (1) is cylindrical, the top of the fermenter body (1) is provided with a closed tank cover (3), and the fermenter body (1) is provided with a guide that communicates with the bottom of the fermenter body (1). The trachea (2) and the air guiding tube (2) are hollow cylindrical, and the hollow cylindrical inner space of the air guiding tube (2) leads to the outer space at the bottom. The beneficial effects of the present invention are: a tea fermenter with a ventilating duct of the present invention uses an air duct to overcome the problems of center overheating, low edge temperature and uneven fermentation of tea in the fermenting process of tea.

The invention relates to a lily fruit slice body separation machine which comprises a rack; the front end of the rack is provided with a feeding groove, a material distribution groove and a sealing plate; a feeding hole is formed between the sealing plate and the material distribution groove, and communicates the feeding groove and the material distribution groove; the material distribution groove is provided with a slope; gas nozzles are arranged at the lower end of the material distribution groove, and are connected with gas tubes; a material distribution net is arranged on the rear side of the material distribution groove, and is fixed on the rack; a discharge device is arranged below the material distribution net; and the material distribution groove, the material distribution net and the discharge device are sealed on the rack by side sealing plates and a top sealing plate. With utilization of the lily fruit slice body separation machine to separate lily bulbs, the working efficiency is higher, the quality of each lily bulb body can be better ensured, the using effect is more ideal, and the development demands of a market can be better met.

The invention provides a wall-breaking airflow crushing equipment for Ganoderma lucidum spore powder, which includes a feeding chamber, a mixing chamber, and a wall-breaking chamber. Into the gas-material mixing chamber in the mixing chamber, one end of the gas-material mixing chamber is provided with a gas nozzle, and the gas nozzle is connected to the broken wall chamber. There is a gas outlet, the baffle is not easy to deform and weather, and it is not easy to collide and wear with high-pressure and high-speed spore powder, so that the spore powder can be broken in a non-ultra-high pressure state, with high breaking rate and short breaking time, low energy consumption and low production cost.

The invention provides an artificial hatching pond for catfish. The artificial hatching pond for catfish comprises a pond body; a water feeding pipe is formed in the side surface of the pond body; at least one cycle of air distribution pipes is paved at the bottom part of the pond body and communicated with an air feeding pipe which is vertical to the bottom of the pond; a fry collecting pipe is downwards formed at the bottom part of the pond body; hanging rings are uniformly dispersed at the upper edges of opposite sidewalls of the pond body; each hanging ring is connected with a hanging hook; a net sheet which divide the pond into two parts is hung on each hanging hook at the corresponding position on the opposite sidewall. With the adoption of the artificial hatching pond for catfish, the hatching rate of catfish can be obviously increased; the survival rate of hatched fries is high; the economic benefit is increased; the artificial hatching pond is worthy of wide popularization.