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110 results about "Tracheid" patented technology

Tracheids are elongated cells in the xylem of vascular plants that serve in the transport of water and mineral salts. Tracheids are one of two types of tracheary elements, vessel elements being the other. Tracheids, unlike vessel elements, do not have perforation plates.

Artificial simulated climate chamber test device capable of forming multiple icing types

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.
Owner:STATE GRID CORP OF CHINA +2

Alternate cooling and heating yield increasing method for gas extraction bored well

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.
Owner:TAIYUAN UNIV OF TECH

Sewage treatment device and method for net cage culture in large-sized water region

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.
Owner:FISHERY MACHINERY & INSTR RES INST CHINESE ACADEMY OF FISHERY SCI

Method for cultivating live glossy ganoderma vase landscape

InactiveCN101584284AAvoid the problem of easy infection caused by transplantingAvoid problems that predispose you to infectionSpecial ornamental structuresHorticultureNutritionEngineering
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.
Owner:JIANGSU UNIV OF SCI & TECH

Methane hydrate collecting device for shallow stratum

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.
Owner:CHENGDU LAIBAO PETROLEUM EQUIP

Axial vacuum fire retarding treatment method for wood

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.
Owner:BEIJING FORESTRY UNIVERSITY

Production device and method of germinated rice

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.
Owner:TONGHUA BAIAO JINSEN BIOTECH CO LTD

Movable raw material drying treatment device for biological medicine

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.
Owner:ZHENGZHOU TIANSHUN ELECTRONICS TECH CO LTD

Artificial pollination device for saline-alkali soil greenhouse organisms

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.
Owner:WEIFANG YOURONG IND

Breeding device for fry

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.
Owner:重庆市正品农业发展有限公司

Anti-freezing urban afforesting wall applicable to greenhouse plant growth

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.
Owner:SHENZHEN JIUPIN AIR PURIFICATION TECH CO LTD

Automatic crust breakage biogas fermentation tank

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.
Owner:GUANGXI FORESTRY RES INST

Acipenseridae fish breeding device provided with air bags

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.
Owner:金华市呗力水产养殖技术有限公司

Mixed staining solution for section used for observation of xylem parenchyma, and preparation method for section

InactiveCN109187127AClear distinctionOvercomes the difficulty of distinguishing the two tissues by colorPreparing sample for investigationParenchymaStaining
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.
Owner:RES INST OF FORESTRY NEW TECH CHINESE ACAD OF FORESTRY +1

Giant salamander domestication and reproduction hole

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.
Owner:贵州省正安县农业科技大鲵发展有限公司

Unconsolidated formation grouting experimental device

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.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY +1
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