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63results about How to "Increase growth rate" patented technology

Aquaculture mesh cage depth adjusting device

The utility model relates to an aquaculture mesh cage depth adjusting device, and belongs to the technical field of aquaculture. The device comprises a cable take-up and pay-off mechanism arranged on a ship body, and a hoist rope connecting the cable take-up and pay-off mechanism and a culture net cage, wherein the cable take-up and pay-off mechanism controls the depth position of the culture net cage in seawater by tightening or loosening the hoist rope. The utility model provides a depth adjusting device for an aquaculture mesh cage, and aims to meet the requirements of cultured organisms in different seasons and environmental conditions by accurately controlling the depth of the aquaculture mesh cage in the sea, so that the culture efficiency and the product quality are improved. Specifically, by tightening or loosening the hoist rope, the aquaculture mesh cage can be adjusted to be located in water bodies of different depths, and then the growth environment of cultured organisms is adjusted.
Owner:DALIAN YITAI FISHERY TECH CO LTD

Nitrogen and phosphorus loss prevention and control method for sandy and dry cultivated land based on EICP root reinforcement combined with sandy and dry cultivated land

PendingCN121866916ASlow down the process of desertificationGood prevention and control effectFabaceae cultivationEarth material testingAgricultural pollutionMulch
The invention provides a method for preventing and controlling nitrogen and phosphorus loss of sandy and dry cultivated land based on EICP root reinforcement and relates to the field of soil ecological protection and agricultural pollution prevention and control. According to the method, a three-dimensional prevention and control system is formed from the two dimensions of surface layer film covering protection and deep root system soil fixation through the synergistic effect of EICP film covering and local plant root system three-dimensional reinforcement, wind erosion and water erosion are effectively resisted, the soil nitrogen and phosphorus loss rate of the large-gradient sandy and dry cultivated land is remarkably reduced, and meanwhile the soil desertification process is slowed down; the EICP film covering layer has good water permeability and moisture retention, nitrogen and phosphorus loss can be prevented, rainfall infiltration and soil moisture conservation can be guaranteed, and the germination rate and the growth speed of crops are increased; according to the method, local crop root system reinforcement is selected, the original planting structure is not disturbed, the economic benefit of cultivated land yield per mu is guaranteed, a harmless means of combining microorganisms, geotechnical engineering and agricultural planting is adopted, external pollution sources are not introduced, original basic characteristics of soil are not damaged, and the requirement for ecological protection of the Yellow River basin is met.
Owner:INNER MONGOLIA UNIV OF TECH

A remote monitoring device and system capable of counting pig disease data

ActiveCN115777572BSolving the problem of taking too long to resolve the cause of loss of appetiteImprove treatment efficiencyOther apparatusDiseaseAnimal science
The present application relates to livestock health monitoring technical field, especially in a kind of remote monitoring system of pig disease data can be counted, including: image acquisition module: for continuously obtaining piglet image information, the image information is the continuous image information of piglet and piglet living environment collected every second;Data processing module: the real-time analysis processing data is used for the pixel level accurate extraction analysis of the image information obtained, obtains the contour of image pig and the size data of object in environment;Through data analysis piglet today eating time length condition, judge eating amount through waistline change after eating;And through piglet body data combine eating and excretion data carry out pig health state determination, solve the discovery of early characteristics such as anorexia, body change, excretion anomaly caused by determining pig potential epidemic disease, to provide important data support for veterinarian treatment according to symptoms, solve the problem of too long time of determining pig anorexia reason.
Owner:CHONGQING ZHILUECHUANGZHI TECH CO LTD

High-permeability all-light reflection cloth

The utility model relates to high-permeability all-light reflection cloth, which belongs to the technical field of all-light reflection cloth and comprises an all-light reflection cloth body, and the all-light reflection cloth body comprises first reflection cloth, second reflection cloth and a high-reflectivity coating. The all-light reflection cloth has the advantages that the all-light reflection cloth body is disassembled into the first reflection cloth body and the second reflection cloth body, so that workers can place the all-light reflection cloth body around crops under the condition that scissors are not needed, and the all-light reflection cloth body can be arranged around the crops through the easy-to-tear strip. According to the full-light reflection cloth body, a worker can cut sleeve holes with corresponding sizes according to the sizes of crop stumps, in the using process of the full-light reflection cloth body, the worker does not need to conduct cutting through scissors in the whole process, time and labor are saved, operation is convenient and fast, when the clamping piece and the clamping groove are in a parallel state, the worker can press the rotating piece to the position below the clamping piece, and the work efficiency is improved. And then the clamping piece is rotated, so that the clamping piece abuts against the rotating piece, and the purpose of fixing the first reflection cloth and the second reflection cloth can be achieved.
Owner:GUANGDONG YINONG NEW MATERIALS TECH CO LTD

Acid-resistant lactobacillus plantarum engineering bacterium as well as construction method and application thereof

The invention belongs to the technical field of microbial genetic engineering, and particularly relates to an acid-resistant lactobacillus plantarum engineering bacterium as well as a construction method and application thereof. The recombinant lactobacillus plantarum WCFS1-gadA-speA is obtained by constructing a recombinant expression vector pMG36e-gadA-speA and inducing the expression of two key genes, and the recombinant lactobacillus plantarum WCFS1-gadA-speA is obtained. The analysis of the fermentation capacity of the strain finds that compared with a single gene heterologous expression strain, the recombinant lactobacillus plantarum WCFS1-gadA-speA shows higher acid resistance and apple juice fermentation capacity. The recombinant lactobacillus plantarum WCFS1-gadA-speA with higher strong acid tolerance is obtained through a heterologous expression technology, a strain resource with better performance is provided for the food fermentation industry, and the quality and stability of a fermented product are improved.
Owner:NINGXIA UNIVERSITY

A method for artificial propagation of bullfrogs

PendingCN122498465AEfficient spawningOvercome the problem of lack of concentration in estrus
This invention provides a method for the artificial breeding of bullfrogs, including bullfrog selection, pairing, breeding, artificial spawning induction, artificial insemination, fertilized egg hatching, and tadpole rearing. This invention uses precise control of water temperature and quality in the breeding water to stimulate the gonadal development of the bullfrogs. It utilizes artificial spawning induction, insemination, fertilized egg hatching, and seedling rearing techniques to solve the problems of existing bullfrog germplasm degradation and difficulties in artificial breeding. By adding *Lactobacillus rhamnosus* to the feed, the mortality rate of bullfrogs is effectively reduced, the hatching rate of fertilized eggs is high, and the seedling growth rate is fast. This allows for a stable and continuous supply of high-quality bullfrog stock, meeting the effective demand for bullfrog seedlings throughout the year, and providing a technical foundation for the artificial breeding of bullfrogs.
Owner:SOUTH CHINA AGRICULTURAL UNIVERSITY +2

Application of slchp16 gene and its overexpression vector in tomato planting

ActiveCN118440977Bpromote growthEnhance resistance to salt-alkali stressPlant peptidesFermentationBiotechnologyRoot growth
This invention relates to the field of genetic engineering technology, specifically disclosing the application of the SlCHP16 gene and its overexpression vector in tomato cultivation. The cDNA sequence of the SlCHP16 gene is shown in SEQ ID No. 1. Transforming tomato plants with the overexpression vector constructed using the SlCHP16 gene significantly promotes tomato root growth and significantly enhances the tomato's resistance to salt and alkali stress. The SlCHP16 gene overexpression vector provided by this invention is beneficial for promoting tomato root growth and enhancing the tomato's resistance to salt and alkali stress.
Owner:NORTHWEST A & F UNIV

Traditional Chinese medicine composition for improving survival rate of piglets as well as preparation method and application of traditional Chinese medicine composition

The invention provides a traditional Chinese medicine composition for improving the survival rate of piglets and a preparation method and application thereof, and belongs to the technical field of feed additives. The traditional Chinese medicine composition is prepared from the following raw materials in parts by weight: 6 to 10 parts of fructus forsythiae, 15 to 22 parts of radix isatidis, 15 to 22 parts of radix scutellariae, 8 to 12 parts of honeysuckle flower, 5 to 8 parts of herba taraxaci, 10 to 15 parts of rhizoma atractylodis macrocephalae, 8 to 12 parts of poria cocos, 6 to 10 parts of rhizoma dioscoreae, 12 to 18 parts of radix astragali seu hedysari, 8 to 12 parts of radix bupleuri, 5 to 8 parts of liquorice root and 3 to 6 parts of semen ziziphi spinosae. Based on the traditional Chinese medicine theory of supporting healthy energy and giving consideration to both symptoms and root causes, a three-dimensional synergistic system of clearing heat, resisting bacteria, invigorating spleen, benefiting intestines, tonifying qi and resisting stress is constructed to adapt to the physiological characteristics of weaned piglets, so that the problems of low survival rate, slow growth and substandard quality in weaned piglet breeding are solved, and the survival rate of the weaned piglets is remarkably improved.
Owner:LIAOCHENG UNIV

Preparation method of amorphous silicon thin film

The method for preparing an amorphous silicon thin film according to the present invention includes: placing a substrate in a vacuum chamber; controlling the pressure in the vacuum chamber at a predetermined value and performing surface treatment on the substrate; and introducing silane gas and a rarefied gas into the vacuum chamber, heating the substrate, and depositing an amorphous silicon thin film on the substrate using silane gas ions. This method is characterized by low manufacturing difficulty, simple process, and low cost, while improving the growth rate and uniformity of the thin film, making the manufacturing process more stable and controllable, and resulting in a more uniform, dense, and stable amorphous silicon thin film.
Owner:SAE TECH DELEVOPMENT DONGGUAN

Method for improving PD-1 titer produced by Chinese hamster ovary cells

The invention relates to a method for improving PD-1 titer produced by Chinese hamster ovary cells. The method comprises the following steps: inoculating the Chinese hamster ovary cells into an initial culture medium for culturing; after the culture is performed for 48 hours, feeding a fed-batch culture medium every day, and maintaining the glucose concentration in the culture medium to be 1.3-1.7 g / L, the galactose concentration to be 0.6-1.0 g / L and the L-sodium lactate concentration to be 14-16 mM; the culture temperature is reduced, a fed-batch culture medium is fed every day, the glucose concentration in the culture medium is maintained at (2-2.8) g / L, the galactose concentration is maintained at (1.7-2.2) g / L, and cells are harvested. Galactose is introduced to serve as a second carbon source, and control over the culture initial metabolism environment and the carbon source in the culture stage is combined, so that the maximum accumulation amount of lactic acid is obviously reduced, the cell culture period is remarkably prolonged, and the maximum titer of the PD-1 antibody is remarkably improved compared with an existing process.
Owner:EAST CHINA UNIV OF SCI & TECH

Kelp endophyte prelisteria megaterium H403 and application of kelp endophyte prelisteria megaterium H403

The invention belongs to the technical field of microorganisms, and particularly relates to a kelp endophyte, i.e., presteria megaterium H403 and an application of the kelp endophyte, i.e., presteria megaterium H403. In order to solve the problems that the kelp seedling raising period is long and the cost is high, an endophytic bacterium is separated from kelp and is named as presteria megaterium H403, a co-culture experiment shows that the strain can remarkably improve the germination rate and the growth rate of kelp seedlings, and the length of kelp in a treatment group added with 14 * 10 < 6 > cfu bacterial liquid is 3.6 times that of a control group. The invention discloses a molecular mechanism for promoting the growth of the kelp through multiple ways by virtue of the Pristeria megaterium H403, a theoretical basis is provided for developing a microorganism-assisted seedling raising technology, the kelp culture cost is expected to be reduced, and the sustainable development of the industry is promoted.
Owner:YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI

A bioreactor for plant tissue

The application discloses a kind of biological reaction devices of plant tissue, comprising, culture device, for the culture of plant tissue, the outer wall of the culture device is provided with detection device, for detecting the parameter and / or sampling of culture solution in the culture device;Heat transfer structure, for the temperature control of the culture device, the heat transfer structure has notch, the detection device is arranged on the outer wall of the culture device in the notch.The plant tissue is cultured by the culture device in the application, the temperature in the device is kept stable by heat transfer structure, prevent the influence caused by external temperature to the environment in the device.And detection device is arranged on the outer wall of the culture device in the notch of heat transfer structure, can avoid the damage or heat loss of heat transfer structure caused by detection device passing through heat transfer structure, ensure the integrity of heat transfer structure, make temperature keep stable, plant tissue better growth.
Owner:SHANDONG ANRAN NANOMETRE IND DEV CO LTD

A slow-release hydrogen production material containing nano-silicon and its preparation method

This invention is a divisional application of Chinese invention patent application No. 202310608706.5, filed on May 28, 2023, entitled "Slow-Release Hydrogen Production Material Containing Nano-Silicon and Its Application in Aquatic Ecosystem Restoration". This invention discloses a slow-release hydrogen production material containing nano-silicon and its preparation method, belonging to the field of environmental protection technology. The invention involves sterilizing a 2-5% sodium alginate solution, cooling it to room temperature, adding 0.3-0.5% wt of nano-silicon to the sodium alginate solution, and stirring at 500-600 r / min at room temperature for 30-60 min to obtain a nano-silicon sodium alginate solution. The prepared nano-silicon sodium alginate solution is then added dropwise at a volume ratio of (1-5):1 to a 2-5% CaCl2 solution at a rate of 1 drop / second, and allowed to stand for 5-10 min to obtain the final product. The layered structure of this material allows the nano-silicon material to be uniformly distributed and stably produce hydrogen within the sphere.
Owner:BEIHANG UNIV

Edible mushroom breeding device capable of supplementing illumination

The utility model discloses an edible mushroom breeding device capable of supplementing illumination, and relates to the technical field of edible mushroom breeding. The edible mushroom breeding device capable of supplementing illumination comprises a fixed bottom plate, an illumination assembly and an external assembly, the top of the fixed bottom plate is fixedly connected with an illumination box, the illumination assembly is located in the illumination box, the illumination assembly comprises a rotating column, mounting plates, a breeding box, a mounting groove and an LED illuminating lamp, and three groups of mounting plates are rotationally mounted on the outer wall of the rotating column and distributed up and down; the top of the mounting plate is fixedly connected with a breeding box, and the external assembly is located on the fixed bottom plate. The light supplementing device can supplement light for edible mushroom breeding in the breeding box, can effectively make up for the deficiency of natural light, can better adjust the growth process of edible mushrooms especially in rainy days or seasons with large day and night differences, thereby improving the yield, can promote the growth of edible mushroom hyphae through the light for edible mushroom breeding, and improves the quality of edible mushrooms. The influence on the expansion of hyphae due to insufficient natural light is effectively avoided.
Owner:SICHUAN JIUTIAN BIOTECHNOLOGY CO LTD

Crucible device for silicon carbide single crystal growth

The utility model relates to the technical field of silicon carbide single crystal growth, in particular to a crucible device for silicon carbide single crystal growth, which comprises a crucible body, a crucible cover buckled on the crucible body, a porous graphite plate arranged in the crucible body, a porous graphite cylinder and a heating component arranged on the peripheral side of the crucible body, the porous graphite cylinder and the crucible body are coaxially arranged; a partition plate assembly is arranged at the upper end of the porous graphite cylinder; the porous graphite plate is placed above the porous graphite cylinder; a small graphite crucible is also arranged in the crucible body; and a crystal form stabilizer is accommodated in the small graphite crucible. The small graphite crucible is arranged and used for containing the crystal form stabilizer, and the porous graphite cylinder and the porous graphite plate are combined to filter gas components generated by sublimation, so that impurity particle inclusions and carbon inclusions in silicon carbide single crystals can be reduced, crystal form transformation can be inhibited, and single-crystal-form silicon carbide crystal ingots grow; and the quality of the silicon carbide single crystal is improved.
Owner:SU ZHOU QING YAN BAN DAO TI KE JI YOU XIAN GONG SI

A bio-organic fertilizer for reducing the incidence of tobacco root-knot nematodes and its preparation method

This invention discloses a method for preparing bio-organic fertilizer that reduces the incidence of tobacco root-knot nematodes. The bio-organic fertilizer consists of a fermentation substrate, microbial inoculant, and earthworm castings in a mass ratio of 10:0.2-0.4:2-3. The invention uses Bacillus subtilis, Trichoderma harzianum, and Bacillus mucilaginosus in a mass ratio of 15-25:8-13:30-40 to prepare the microbial inoculant. The fermentation substrate and microbial inoculant are mixed and fermented. The fermentation substrate includes cow dung, wheat bran, straw, and earthworm castings. The bio-organic fertilizer of this invention can reduce the incidence of tobacco root-knot nematodes and also promotes tobacco root growth and increases tobacco leaf yield.
Owner:HAINAN TOBACCO CO DANZHOU CO

Willow pile fracture monitoring and maintenance system and method for biological check dam

The invention discloses a willow pile fracture monitoring and maintenance system and method for a biological check dam, and the system comprises a willow pile fracture self-excitation sensing module, a precise rooting maintenance module, a drought period synergistic water seepage and storage module and a system platform, the willow pile fracture self-excitation sensing module realizes real-time early warning monitoring and accurate positioning alarm of willow pile fracture, and the accurate rooting maintenance module generates a customized replanting scheme according to willow pile file data issued by the system platform and an adaptive algorithm. And the drought-period synergistic water seepage and storage module is combined with the pre-embedded biodegradable maintenance bag and the capillary water delivery carrier to strengthen the rooting effect and the water supply in the drought period. According to the system, traditional post-repair is upgraded into an intelligent management mode with real-time response, active intervention and continuous guarantee, the technical problems that in willow pile management of an existing biological check dam, breakage alarm is lagged, a complementary planting scheme is extensive, and water supply is insufficient in the drought period are solved, and the structural stability, ecological adaptability and self-maintaining capacity of the biological check dam are remarkably improved.
Owner:LANZHOU SOIL & WATER CONSERVATION SCI TEST STATION OF GANSU PROVINCIAL DEPT OF WATER RESOURCES (GANSU PROVINCIAL INST OF SOIL & WATER CONSERVATION SCI)

Partitioned continuous breeding mechanism and breeding system thereof

ActiveCN224460921Usuitable growing conditionsincrease growth rateAnimal scienceZoology
The utility model relates to a kind of partition type continuous breeding mechanism and its breeding system, including automatic in-out material mechanism, breeding layer and environmental control mechanism;The side plate and two automatic doors with the automatic in-out material mechanism contact, form breeding space, the breeding space is divided into at least two breeding areas, each described breeding area is provided with environmental control mechanism, and at least one described breeding area is provided with material loosening mechanism;At least one described breeding area is provided with automatic door in both ends.The utility model breaks the traditional overall one-time feeding breeding mode, divides breeding space into several breeding areas, for different needs of insects and plants in different growth stages to environment and material, each breeding area can be respectively accurately controlled, to provide more suitable growth conditions for insects and plants, shorten breeding cycle, improve the growth speed and quality of insects and plants.
Owner:ZHENGZHOU YAO AN ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Semiconductor device and preparation method thereof

The invention provides a semiconductor device and a preparation method thereof, a substrate is internally provided with a plurality of source and drain trenches which are distributed at intervals, and the source and drain trenches extend into the substrate from the surface of the substrate; forming a first embedded epitaxial layer in the source-drain groove, wherein the source-drain groove is filled with the first embedded epitaxial layer; forming a second embedded epitaxial layer on the first embedded epitaxial layer, wherein the second embedded epitaxial layer covers the top surface of the first embedded epitaxial layer and the exposed part of the top surface of the substrate; and forming a cap layer on the second embedded epitaxial layer. According to the invention, the substrate and the cap layer are separated by using the second embedded epitaxial layer, and the cap layer cannot be in contact with the substrate, so that doped ions in the cap layer are prevented from being diffused into a channel in the substrate, and the short-channel effect is further improved; the first embedded epitaxial layer and the second embedded epitaxial layer can provide pressure stress for the channel together without causing adverse effects on the device, and the process for preparing the second embedded epitaxial layer is relatively simple and low in cost.
Owner:QINGDAO AUCMA YUNLIAN INFORMATION TECHNOLOGY CO LTD

A method for atmospheric pressure MOCVD epitaxial growth of alpha-Ga2O3 thin film based on t-butyl alcohol precursor

ActiveCN119980456Bbreak through the limitationsAvoid administrative requirementsPolycrystalline material growthFrom chemically reactive gasesFilm basePhysical chemistry
The application discloses a method for epitaxially growing an alpha-Ga2O3 film based on a tert-butyl alcohol precursor under normal pressure by MOCVD, and comprises the following steps: cleaning a substrate, placing the cleaned substrate on a reaction chamber base of a metal organic chemical vapor deposition (MOCVD) device, introducing nitrogen into the reaction chamber, adjusting the air pressure of the reaction chamber to normal pressure, performing high-temperature pretreatment on the substrate in the reaction chamber, wherein the high-temperature pretreatment is performed at 1000-1200 DEG C for 15-30 min, cooling the substrate to 570-630 DEG C, taking triethyl gallium as a gallium source precursor and taking tert-butyl alcohol as an oxygen source precursor, and growing an alpha-Ga2O3 film sample on the substrate, and cooling the alpha-Ga2O3 film sample to room temperature while introducing nitrogen to obtain an alpha-Ga2O3 film. The method can be used to prepare a high-quality, high-speed-grown pure-phase metastable alpha-Ga2O3 film.
Owner:NANJING UNIV

Vertical graphene array and preparation method thereof

The invention provides a vertical graphene array and a preparation method thereof, and the preparation method comprises the steps: placing a reactor in a microwave irradiation region of a microwave generation device, and forming a plasma generation core region in a fixed region of the reactor; placing the substrate in a plasma generation core area of a reactor, fixedly supporting the substrate by a supporting sheet, vacuumizing the reactor, and introducing argon; wherein the supporting sheet is formed by pressing a molecular sieve; and starting the microwave generation device, introducing a carbon source after plasma is generated in the reactor, and carrying out vapor deposition reaction to obtain the vertical graphene array. By designing the sizes of the microwave cavity and the quartz tube and using the molecular sieve tablet as the substrate supporting piece, the growth rate of the vertical graphene is improved.
Owner:CHINA NAT PETROLEUM CORP

Process for preparation of composition comprising nystatin

The invention provides a preparation method of a composition containing nystatin. The preparation method comprises the following steps: preparing a base solution containing a suspending aid and buffer salt; preparing a wetting solution containing nystatin; cooling the base solution to 10-15 DEG C, and adding the wetting solution to prepare a mixed solution; carrying out heat preservation on the mixed solution at 10-15 DEG C for a first time, and then carrying out heat preservation at 45-50 DEG C for a second time; and cooling the mixed solution after the heat preservation is finished, then adding a preservative and a flavoring agent, and adjusting the pH value of the mixed system to 6.5-7.2 to prepare the composition containing nystatin. The preparation method is high in production efficiency, and the prepared composition containing nystatin is stable in quality.
Owner:SHENZHEN BEIMEI PHARM CO LTD

Simple preparation method of large-size high-quality self-supporting diamond thick film

The invention belongs to the technical field of diamond film preparation, and relates to a simple large-size high-quality self-supporting diamond thick film preparation method, which comprises the following steps: surface pretreatment: grinding a large-size molybdenum block by using diamond micro powder to remove surface impurities, and then carrying out plasma treatment on the surface of the large-size molybdenum block by using CVD (Chemical Vapor Deposition) equipment; carrying out CVD growth; after part of the CVD growth steps are repeated according to the required polycrystalline film thickness, under the conditions that the temperature is 850-950 DEG C, the hydrogen is 5-8 slm, and the pressure is 4.5-5.5 kpa, methane accounting for 2-3 vol% of the mixed gas is started, a nanocrystalline layer with the thickness being 0.3-1 mm grows through CVD equipment, and therefore the high-quality diamond film is prepared. The preparation method disclosed by the invention is simple and convenient, can be repeatedly used for multiple times, can reduce the use cost of the substrate in the later period, realizes high whole film rate and low thermal shock stress of the self-supporting thick film, and not only improves the quality of the diamond film.
Owner:HENAN FAMOUS DIAMOND IND CO LTD

Spine internal fixing device with fusion function

A spine internal fixing device with a fusion function comprises a pedicle screw, the pedicle screw comprises a screw body, a screw tail is arranged at the upper end of the screw body, a nut is connected to the screw tail through internal threads, the screw body and the screw tail are of a honeycomb structure simulating cancellous bone, and solid external threads are arranged on the outer surface of the screw body. According to the spinal internal fixation device with the fusion function, a full-assembly simulation cancellous bone honeycomb structure of a pedicle screw rod nut and a matched connecting piece is prepared by adopting a 3D printing technology, and meanwhile, solid structures of key stress parts such as an external thread tip threaded connection surface are reserved so as to guarantee early mechanical fixation strength; after the components are assembled, a continuous bone ingrowth channel is formed, so that the transformation of internal fixation of the spine from temporary mechanical support to permanent osseous fusion is realized, and various intervertebral, intervertebral, posterior lateral and transverse process bone grafting fusion steps in a traditional spine fusion operation can be omitted.
Owner:YICHANG CENT PEOPLES HOSPITAL

Feeding equipment and method for factory-like ricefield eel breeding

The invention relates to the technical field of breeding, in particular to a feeding device and method for factory ricefield eel breeding, and the feeding device comprises a charging barrel, a feeding port, a boss, a connecting block, a side shaft and a spiral cutter. According to the feeding equipment and method for factory-like ricefield eel breeding, through alternate arrangement and sliding fit of bosses and connecting blocks, an adjustable multi-layer stirring structure is formed, through cooperation with a spiral cutter on a side shaft, materials in a charging barrel can be stirred and crushed in all directions, through meshing fit of a first outer gear ring and a gear ring, the feeding efficiency is improved, and the feeding efficiency is improved. The connecting ring drives the top shaft and the connecting piece to rotate around the axis of the top shaft while driving the connecting piece to slide in the circumferential direction, and due to the compound motion, the spiral cutter on the side shaft can do circular motion along with the connecting piece to cover a larger stirring range in the charging barrel, and the material stirring uniformity and the crushing efficiency can be greatly improved.
Owner:JIANGSU SHUNWANG MODERN AGRICULTURAL TECHNOLOGY CO LTD

A chitosan-MOF composite material, its preparation method and application

ActiveCN117732450BHas dual functions of adsorption and controlled releaseImprove adsorption capacityOther chemical processesCultivating equipmentsAluminum IonMicrosphere
This invention relates to the field of agricultural production technology, providing a chitosan-MOFs composite material, its preparation method, and its applications. The raw materials for the chitosan-MOFs composite material include plant growth regulators, MOFs, and chitosan; the plant growth regulators include naphthaleneacetic acid and tryptophan; the chitosan-MOFs composite material includes NT@CS@UZ(s) and NT@CS@UZ(b). This invention successfully prepared a chitosan-MOFs composite material with both sponge and microsphere morphologies, exhibiting dual adsorption-controlled release functions. In the environment, this composite material can efficiently adsorb aluminum ions while intelligently controlling the release of plant growth regulators. The innovative, recyclable technology provided by this invention can significantly improve plant growth rate and yield while reducing usage costs. Based on the adsorption-controlled release dual function of this composite material, its application in other fields is expected to expand.
Owner:JILIN UNIVERSITY

An algae feed making device for shrimp larvae opening

ActiveCN224402849UImprove food safetyreduce fatality rateWater storageAntiseptic sterilization
The application discloses an algae feed preparation device for shrimp fry opening, and belongs to the technical field of feed preparation equipment, which is used for providing an algae feed preparation device for shrimp fry opening, which can improve economic benefits of breeding, and comprises a circulating device, a cleaning device and a refining device. The cleaning device comprises a pair of pool walls, the top of the cleaning device is open, and the two pool walls are rotationally connected with a low roller shaft, a high roller shaft, an upper roller shaft and a lower roller shaft. The shaft lines of the low roller shaft, the high roller shaft, the upper roller shaft and the lower roller shaft are parallel, and the conveying belt is provided with dense through holes. The pool bottom is arranged between the two pool walls, the circulating device comprises a water storage pool, the top of the water storage pool is provided with a communicating pump body, and the side surface is provided with a communicating filter. The application continuously provides the disinfecting cleaning liquid for the cleaning device through the design of the circulating device, sterilizes and disinfects the algae raw materials, washes away the mud and sand adhered to the surface of the algae raw materials, improves the edible safety of the algae feed, reduces the mortality rate of the shrimp fry, and improves the breeding benefits.
Owner:NINGBO YONGGANG AQUATIC SEED TECH CO LTD

Ventilation pipeline and ventilation assembly

The utility model relates to a ventilation pipeline and a ventilation assembly, comprising a ventilation pipe, at least one end of which forms an inclined port; the sealing cover is arranged at the inclined port of the ventilation pipe; the sealing cover is tightly attached to the inclined end opening of the ventilation pipe based on gravity. Due to the structure that the sealing cover is tightly attached to the inclined end opening of the ventilation pipe based on gravity, the ventilation pipe can be accurately opened according to the specific conditions of different areas in the farm, such as density distribution, temperature difference and humidity change of animals. The problem that in the prior art, due to the fact that all ventilation pipes are opened, ventilation of partial areas is excessive or insufficient is solved, the ideal ventilation effect is achieved, and more suitable environmental conditions are provided for a farm.
Owner:QINGDAO JIALIANHUA AGRI & ANIMAL HUSBANDRY EQUIP CO LTD

Device for assisting in climbing of palm rattan under forest

The invention relates to the technical field of forestry planting and ecological tending equipment, and discloses a device for assisting under-forest rattan climbing, the device comprises a bionic spine assembly, the bionic spine assembly comprises a first assembly and a plurality of second assemblies, one end of each of the first assembly and the second assemblies is connected with a target supporting wood through a top base, and the other end of each of the second assemblies is connected with a ground anchoring assembly, the first assembly is formed by connecting a plurality of first hollow cone units in an end-to-end nesting mode in series and forms a climbing center supporting body of the rattan rattan, the second assembly is formed by connecting a plurality of second hollow cone units in an end-to-end nesting mode in series, and the second assemblies are arranged around the first assembly in a circular array mode to form a cylindrical climbing channel. Through the synergistic effect of the center tensioning assembly and the ball socket matching structure, the physical contradiction between rigid supporting and flexible recycling is solved. By adjusting the axial prestress of the internal inhaul cable, the bionic spine assembly can be freely switched between a rigid columnar working state in which the bionic spine assembly bears the weight of rattan stems and a loose and soft flexible chain recovery state.
Owner:国际竹藤中心三亚研究基地

Diamond MPCVD resonant cavity

The invention relates to the technical field of artificial diamonds, in particular to a diamond MPCVD resonant cavity which comprises an upper shell, a lower shell and a quartz cavity. An edge pressing part is arranged below the cylindrical part of the quartz cavity, and the upper shell is matched with the lower shell to clamp and seal the edge pressing part; a clamping part is arranged at a connecting port, matched with the water-cooled antenna, above the cylindrical part, the water-cooled antenna comprises a pressing plate and a conical antenna disc, the conical antenna disc is matched with the pressing plate to clamp and seal the clamping part, and the edge pressing part and a clamping part sealing ring are both cooled in an air cooling and water cooling synergistic mode. According to the invention, an external force clamping connection fixing mode is adopted, so that the sealing performance of connection is ensured, the problem that the electric field intensity at the edge of quartz is increased due to the poor sealing effect of a traditional sealing mode is avoided, and only one strong electric field capable of exciting plasmas exists in the quartz cavity; and the sealing ring is effectively prevented from being overheated in a water-cooling and air-cooling synergistic cooling mode, and the positive effects of ensuring stable operation of equipment and improving the production efficiency are achieved.
Owner:ZHENGZHOU UNIV