491results about How to "Improve survival rate" patented technology

The invention discloses a cattle feed additive. The cattle feed additive consists of the following raw materials in parts by weight: 4-16 parts of perilla frutescens, 2-20 parts of cyrtomium rhizomes, 10-30 parts of cod-liver oil, 2-10 parts of sodium selenite, 3-13 parts of Haixiao, 5-25 parts of radix polygalae, 2-12 parts of longan aril, 4-20 parts of Chinese yam rhizomes, 5-25 parts of vietnamese sophora roots, 3-17 parts of folium isatidis, 2-12 parts of endothelium corneum gigeriae galli, 4-16 parts of actinolitum brevifibrum, 2-12 parts of herba asari, 4-12 parts of origanum vulgare, 3-13 parts of Chinese pulsatilla roots, 4-16 parts of fleeceflower roots, 2-18 parts of radix achyranthis bidentatae, 1-9 parts of a bacillus natto agent, 2-10 parts of bacillus and 1-7 parts of active dry yeast. The cattle feed additive disclosed by the invention has the advantages of being rich in nutrition, capable of improving beef quality, increasing the survival rate of cattle and the like.

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.

The embodiment of the invention relates to a suspension collaborative steering and fault-tolerant method for a wave adaptive unmanned ship, and the method comprises the steps: collecting the environment perception information and attitude data of the unmanned ship in real time, and carrying out the fusion processing, and generating a multi-source data matrix; pre-judging the front sea condition based on the multi-source data matrix, and when the sea condition characteristic parameters meet preset dynamic adjustment conditions, adjusting the expansion and contraction amount of each group of electromagnetic suspensions in a pre-judgment time window so as to form a draught gradient adapting to the sea condition change; when a steering instruction is received, the draft difference of floating bodies on the two sides of the unmanned ship and the thrust difference of propelling systems on the two sides are synchronously adjusted, so that the steering track is controlled, and transverse inclination of the ship body is restrained; in the sailing process, the working states of the electromagnetic suspension and the propelling system are monitored in real time, faults are classified, when it is detected that the execution units are abnormal, a fault-tolerant reconstruction strategy is triggered according to the fault types, and stress distribution or propelling thrust is reconstructed by locking abnormal parts and utilizing the remaining execution units, so that the sailing capacity of the unmanned ship is maintained.

The utility model discloses a container special for polygonum multiflorum seedling culture, and relates to the technical field of polygonum multiflorum seedling culture. The container special for polygonum multiflorum seedling raising comprises a seedling raising box, a dismounting and mounting mechanism and a seedling taking mechanism, the dismounting and mounting mechanism is arranged in the seedling raising box and comprises a bearing plate and rectangular frames, multiple sets of rectangular openings are formed in the top of the bearing plate, and the rectangular frames are fixedly installed on the inner walls of the rectangular openings respectively; the seedling taking mechanism is arranged in the seedling raising box and comprises fixed plates, movable rods and an ejector plate, the inner walls of the front side and the rear side of the rectangular frame are fixedly connected with the front sides and the rear sides of the fixed plates respectively, and the interiors of the fixed plates are slidably connected with the outer walls of the movable rods respectively. According to the transplanting device for the polygonum multiflorum seedlings, the polygonum multiflorum seedlings and the matrix can be rapidly ejected out of the rectangular frame through the ejection plate, so that the roots of the seedlings are protected by enough original matrix, the polygonum multiflorum seedlings are prevented from being damaged as much as possible, the operation difficulty of workers is reduced, and the survival rate of the transplanted polygonum multiflorum is improved.

The invention discloses a dam abutment slope structure health monitoring system and method based on distributed strain optical cables. Comprising the following steps: obtaining zero strain data of each distributed measuring point of the dam abutment slope by subtracting initial stable strain data of each distributed measuring point of the dam abutment slope from initial stable temperature data of the corresponding distributed measuring point of the dam abutment slope; obtaining real-time strain data of each distributed measuring point of the dam abutment slope by subtracting the strain data at each moment of each distributed measuring point of the dam abutment slope from the temperature data at the corresponding moment of each distributed measuring point corresponding to the dam abutment slope; performing strain calculation according to the real-time strain data of each distributed measuring point of the dam abutment slope and the zero strain data of the corresponding distributed measuring point of the dam abutment slope to obtain the strain variation of each distributed measuring point of the dam abutment slope along with the time change; and evaluating the structural health state of the dam abutment slope according to the development trend of the strain variation of each distributed measuring point of the dam abutment slope along with the time change and a preset periodic environment interference curve.

The application belongs to the technical field of saline-alkali land improvement, and particularly relates to a structure reconstruction and saline-alkali improvement method suitable for saline-alkali farmland and application thereof. The application effectively improves soil structure, increases soil air permeability and water permeability, reduces salt concentration in soil, and further improves soil quality through measures such as soil improvement, water-salt regulation, salt spot ploughing layer reconstruction and leaching promotion. The optimized soil condition of the application provides a better growth environment for crops, which helps to improve the survival rate and yield of crops, and to enhance the growth environment of crops. The application integrates various improvement methods, can effectively manage different degrees of saline-alkali land, and has high adaptability and flexibility. Moreover, the application focuses on long-term effects, not only pays attention to short-term improvement effect, but also considers subsequent maintenance and management, which is beneficial to realize sustainable utilization of land resources.

This utility model discloses a mud crab spawning and hatching device, including a cement pool, which comprises a pool body with a permeable stone slab at the bottom. A hole is opened at the bottom right side of the pool body, and a drain pipe is installed inside the hole. A water supply component includes a water quality sensor located on the left side of the pool body. An air supply component includes a dissolved oxygen sensor located at the front of the pool body. A heating component includes a temperature sensor located at the front of the pool body. A movable component is installed at the top of the pool body, with a polycarbonate panel fixedly connected to its inner side. This utility model, through the structural design of water quality, dissolved oxygen, and temperature sensors, combined with water supply, air supply, and heating systems, can monitor and adjust key environmental parameters in the hatching pool in real time. The water quality sensor, linked to a solenoid valve, intelligently changes water to prevent water quality deterioration. Microporous aeration heads uniformly increase oxygen, ensuring balanced dissolved oxygen distribution. Heating pipes, in conjunction with the temperature sensor, maintain a stable water temperature.

The utility model provides a miniature electric fire fighting truck. The miniature electric fire fighting truck comprises a chassis, a cockpit and a fire fighting carriage, the fire-fighting carriage comprises side plates, a plurality of top plates and a first containing cavity defined by the side plates, the top plates and the chassis. A fixing plate extending in the length direction of the base plate is arranged in the first containing cavity, and the fixing plate divides the first containing cavity into an upper containing cavity and a lower containing cavity. A water tank, a water pumping assembly and a storage box are contained in the upper containing cavity. And a battery cabinet is slidably arranged in the lower accommodating cavity. According to the miniature electric fire fighting truck, the size is reduced, meanwhile, the searchlight with the adjustable angle and the unmanned aerial vehicle are arranged, flexibility is achieved, and meanwhile the on-site investigation capacity of the miniature electric fire fighting truck is improved.

The utility model relates to the technical field of fungus stick inoculation machine provides a fungus stick inoculation machine, including frame, inoculation device, blanking device, eye -boring device, stop device and spray brush sterilization device, and set up in the air purifier and distribution box of frame top, fungus stick removes and sends device and is arranged in the frame inside, the inoculation device includes setting on fungus stick removes and sends device inoculation stick and the blanking device of located inoculation stick top, and inoculation stick removes and send in proper order through spray brush sterilization device, eye -boring device and inoculation device. Through the spray brush sterilization device, eye -boring device, inoculation device and fungus stick removes and send device are integrated in same frame, realize fungus stick disinfection, drilling, inoculation's full process automation continuous operation. Spray brush sterilization device in real time disinfects surface before fungus stick enters drilling station, and the clean air is continuously conveyed to the top operating area in combination with air purifier, and the sterile environment is double -guaranteed.

The invention belongs to the technical field of microorganisms, and relates to a bifidobacterium breve strain capable of relieving constipation, the strain is bifidobacterium breve Bb-PG-14, the classification name of the strain is Bifidobacterium breve, the preservation number is CGMCC No.31861, the preservation time is September 4, 2024, the preservation unit is China General Microbiological Culture Collection Center, the preservation number is CGMCC No.31861, the preservation number is CGMCC No.31861, the preservation number is CGMCC No.31861, the preservation number is CGMCC No.31861, the preservation number is CGMCC No.31861, and the preservation number is CGMCC No.31861. The address is No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing. The strain is separated and purified from excrement of healthy babies, has relatively strong acid resistance, alkali resistance, cholate resistance and artificial simulated gastrointestinal fluid tolerance, and has the characteristics of probiotics.

The application discloses an orchard air-blast soil loosening machine, comprising a high-pressure air-blast system, which is connected with a gas storage assembly through a pipeline; the gas storage assembly comprises a gas storage tank, a soil loosening rod and an air-blast drill bit; the air-blast drill bit is centrally controlled, and a pre-splitting structure is arranged on the side wall of the end connected with the soil loosening rod; the pre-splitting metal sheet is made of elastic metal material, is arranged in a semispherical shape, and a plurality of pre-splitting micro-slits are arranged on the side wall. The orchard air-blast soil loosening machine realizes accurate protection of root systems through multi-stage structure design. The pre-splitting metal sheet is made of elastic metal material, can be unfolded from a semispherical shape under the action of high-pressure gas, and the pre-splitting micro-slits increase to form a buffer blasting area; through experimental verification, the direct damage rate of root systems can be reduced by more than 60%. The main air-blast hole is arranged obliquely, and the gas impact force can be guided to the deep soil layer in cooperation with the drill bit cone angle of 30-45 DEG, so that direct impact on the shallow absorbing roots is avoided; compared with the traditional straight-hole air-blast mode, the root system survival rate is increased to 92%.

The utility model relates to the technical field of cultivation boxes, in particular to a cultivation box for forest seedling cultivation, which comprises a cultivation box body and a water tank, the water tank is fixedly mounted above the top of the cultivation box body, a placement groove is formed in the cultivation box body, clamping rails are fixedly mounted on two sides of the inner wall of the placement groove, and cultivation plates are slidably clamped on the surfaces of the clamping rails. The bottom of the cultivation plate is fixedly provided with a soil cultivation box, the two ends of the side face of the bottom of the soil cultivation box are fixedly connected with water guide pipes, the surfaces of the water guide pipes are rotationally connected with communicating rods in a sleeving mode, one side of the surface of each communicating rod is fixedly connected with a valve disc, and one side of the surface of each communicating rod is fixedly connected with a rotating rod. The valve discs corresponding to the water guide pipes can be opened to increase the irrigation amount; for drought-enduring seedlings, irrigation can be reduced or stopped, and precise irrigation is achieved. Compared with a traditional unified irrigation mode, water resource waste and the growth problem caused by improper moisture of the seedlings are effectively avoided, and the survival rate and growth quality of the seedlings are improved.

The invention relates to the technical field of cell biology, in particular to an iNKT cell cryopreservation solution and a method for cryopreserving iNKT cells by using the cryopreservation solution. The invention provides an immune cell cryopreservation solution. The immune cell cryopreservation solution comprises human serum albumin, a basic low-temperature protection solution and an optional human platelet lysate. The immune cell freezing medium does not contain animal-derived components except for human bodies, and has the advantages of simple components and good stability. According to the cryopreservation liquid disclosed by the invention, through the combined action of the basic low-temperature protection liquid (such as CryoStor10 (CS10)) and the human serum albumin, the motility rate after cell recovery is improved, and the damage to immune cells (such as iNKT) in the cryopreservation process is reduced. After a small amount of human platelet lysate is further added, the survival rate of cell resuscitation and the amplification capacity can be further improved.

The invention discloses an anaerobic denitrifying bacterial agent as well as a preparation method and application thereof, and belongs to the technical field of water environment treatment. The anaerobic denitrifying bacterium agent is prepared from the following components in parts by weight: 15 to 30 parts of sterile water, 15 to 60 parts of normal saline, 5 to 10 parts of micro-capsule embedded anaerobic denitrifying bacteria, 5 to 20 parts of a porous composite modified carrier, 10 to 30 parts of a carbon source, 4 to 7 parts of nutrient elements, 2.5 to 4 parts of a buffering agent and 1 to 5 parts of a stabilizer, the micro-capsule embedded anaerobic denitrifying bacteria are obtained by embedding anaerobic denitrifying bacteria with an alginic acid gel solution and a calcium chloride solution; the porous composite modified carrier is obtained by crosslinking modified nano iron oxide, modified nano titanium dioxide, a functional polymer solution and glutaraldehyde. The anaerobic denitrifying bacterial agent provided by the invention can effectively improve the efficiency of treating nitrogen pollution of a water body.

The invention relates to the technical field of agricultural cultivation, in particular to a breeding method of water horn seeds. The method comprises the following steps: storing dried water chestnut seeds at 8-16 DEG C for 8-24 days, and soaking the water chestnut seeds in a potassium permanganate aqueous solution for 15-25 minutes; and sowing the soaked water horns seeds in a matrix, and culturing for 18-22 days to obtain seed seedlings. According to the method provided by the invention, the germination rate of the water pod seeds is extremely high and reaches 99%; and the method is short in operation period and simple in operation steps, does not need any plant hormones and chemical substances, effectively solves the breeding problem of the water hormones, and has important significance for reducing the endangered degree of the water hormones.

The invention discloses an enzyme preparation for degrading allergens of pet food and application of the enzyme preparation, the enzyme preparation is a pH-responsive acrylic resin-pectin composite double-response shell embedded enzyme-probiotic composite system, a core layer is heat-resistant neutral protease, and a middle layer is a compound of lactobacillus reuteri and bacillus subtilis. In the processing stage, the protease degrades macromolecular allergens, the composite shell in the gastrointestinal environment firstly triggers outer acrylic resin to be dissolved through weak alkalinity of the intestinal tract, then inner pectin is degraded by pancreatin, and probiotics are accurately released to metabolize residual sensitizing peptides. The enzyme preparation realizes full-chain desensitization, is high in survival rate of probiotics, is suitable for various pet foods, and is stable and reliable in desensitization effect.

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.

This utility model provides a plant root moisture detection device, comprising: a detection box; a hollow PVC pipe connected to and disposed on the side wall of the detection box; a one-way seepage zone in the middle of the detection box; an absorbent sponge inside the one-way seepage zone; a float plate at the bottom of the absorbent sponge; a movable piston inside the hollow PVC pipe; and a traction rope inside the hollow PVC pipe connecting the movable piston and pulling the float plate to the bottom of the absorbent sponge. The hollow PVC pipe connected to the detection box is positioned higher than the float plate. Through this application, the distance the movable piston is pulled away from the initial scale line by the traction rope can be visually observed to determine the plant root moisture status and whether treatment is necessary, thereby improving plant survival rate.

The present invention provides a high-protein bio-fermented aquatic feed and a preparation method thereof. The aquatic feed comprises the following raw materials in parts by weight: 20-30 parts of imported fish meal, 10-15 parts of compound minerals, 5-10 parts of bioactive peptides, 5-10 parts of lysine, 5-10 parts of compound trace elements, 3-8 parts of compound vitamins, 3-6 parts of herbal extracts, 2-5 parts of compound probiotics, 2-4 parts of immune polysaccharides, and 1-3 parts of compound enzymes; the herbal extracts are prepared by fermenting astragalus membranaceus, isatis root, liquorice root, calotropis gigantea, ventilago leiocarpa benth, clove, rhizoma chuanxiong, and galangal officinale. By organically integrating imported fish meal, astaxanthin-peptide chelate, herbal extracts, compound immune polysaccharides, compound probiotics and various nutrients, the present invention realizes the synergistic effect of "promoting feeding - enhancing digestion - strengthening liver and gall - enhancing immunity - resisting stress - inhibiting bacteria - stabilizing water quality", significantly improves the growth rate, survival rate and comprehensive breeding benefit of crustacean aquatic animals, and has good economic value and application prospect.

This invention discloses a probiotic liquid core ball cultured under polysaccharide confinement, its preparation method, and its application in improving children's intestinal flora. Belonging to the field of probiotic preparation technology, it employs an extrusion method combined with calcium alginate cross-linking technology, using xanthan gum and other thickening polysaccharides to optimize the types and concentrations of polysaccharides to construct the confinement space. The effects of different oxygen conditions on the encapsulation of different proportions of *Lactobacillus rhamnosus* LRa05 and *Bifidobacterium animalis* BLa80 were investigated to obtain the optimal probiotic liquid core ball cultured under polysaccharide confinement. This process is simple, uses safe raw materials, and after confinement culture, the viable bacteria count is ≥10⁹ CFU / g. It can directionally increase the abundance of beneficial bacteria in children's intestines, inhibit opportunistic pathogens, enhance flora diversity and stability, and is suitable for children's dietary scenarios, providing a safe and efficient intestinal flora regulation solution.

The invention relates to the field of biological medicines, and discloses application of serum EPSTI1 in preparation of a product for diagnosing liver cancer and evaluating whether a liver cancer patient is resistant to a revatinib or not. The invention provides a detection means which is convenient and rapid in sampling, small in risk and relatively low in cost, the content of EPSTI1 in serum is detected through an enzyme-linked immunosorbent assay, a liver cancer patient and a non-liver cancer patient can be effectively distinguished, and a lovatinib drug-resistant liver cancer patient and a non-drug-resistant liver cancer patient can be effectively distinguished. Prognosis analysis shows that the serum EPSTI1 can be used as a marker for evaluating the prognosis state of the liver cancer patient taking the lenvatinib, and has important significance in improving the survival rate of the liver cancer patient.

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.

The utility model relates to a kind of cell vitrification freezing automatic systems, including workbench;Including several injection pumps, the injection pump is installed on workbench, movable piston rod is provided in the injection pump, and the piston rod upper end is connected with driving assembly;Including fluid collecting valve, the fluid collecting valve is installed on workbench, and the fluid collecting valve is connected with the liquid outlet end of injection pump;Including frozen macaroni, the frozen macaroni and fluid collecting valve are connected;Including temperature control board, the temperature control board is installed on workbench, the utility model is advantageous in that system automatically controls the loading and unloading of cryoprotectant, to controllable mode adjustment exchange in oocyte water and cryoprotectant, reduce the pressure or organelle and intracellular membrane system damage of cell structure of osmotic pressure shock to cell, improve the survival rate of cell.

The utility model discloses a kind of rotary spreading device of biological organic fertilizer, it is related to biological organic fertilizer spreading technical field.The utility model includes base and electric drive wheel, the bottom of base is provided with electric drive wheel, the top of base is fixedly connected with storage box, the side of storage box is fixedly penetrated with seeding pipe, the top of storage box is provided with feed inlet, the bottom of base is provided with rotary groove digging seeding device.The utility model cooperates through connecting plate, groove, return spring, autorotation fixed link, bulldozing block and the like component, when autorotation fixed link moves to the top of base when contacting the stress block of side fixed, itself carries out clockwise motion, to make bulldozing block fixedly connected in one end of autorotation fixed link contact and dig loess ground, the effect of rotating grooving to loess ground, the work of rotary ploughing can spread seed to soil deep, and then improve the survival rate of seed, reduce economic cost.

This invention belongs to the field of traditional Chinese medicine fermentation technology, specifically involving a high-enzyme-active Liu Shen Qu (a type of fermented medicinal herb) and its fermentation process. The process first processes red beans, bitter almonds, artemisia annua, cocklebur, and polygonum hydropiper into a medicinal porridge, which is then mixed with wheat flour and a specific fermenting agent to form a soft mass. Its innovation lies in the use of a Bacillus subtilis trehalose protective agent complex and Aspergillus oryzae chitosan microspheres. These two fermenting agents are prepared by spray drying encapsulation and ionogel methods, respectively, significantly improving the survival rate and stability of the fermenting microorganisms during processing and storage. The soft mass undergoes two stages of precisely controlled temperature and humidity fermentation, and finally, after shaping and segmented drying, the finished product is obtained. This process effectively solves the problems of low enzyme activity and poor stability in traditional Liu Shen Qu fermentation, resulting in a Liu Shen Qu product with high digestive enzyme activity and stable, uniform quality.

The application relates to application of an olive extract in preparation of a daily ration additive for improving reproduction performance of mammals, wherein 0.05 wt% of the olive extract is added in the daily ration of a pregnant mammal, so as to improve embryo survival rate, live birth number, initial birth litter weight and lactation capacity of the mammal; the application explicitly shows the influence of the olive extract on embryo development and lactation capacity of the mammal, and provides a new technical approach for high-value development of olive resources and nutrition regulation of the mother and the child.

The invention provides a traditional Chinese medicine additive 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 additive provided by the invention is Qibai tonifying powder and comprises the following raw materials in parts by weight: 20-30 parts of radix astragali, 15-25 parts of rhizoma atractylodis macrocephalae, 10-20 parts of pericarpium citri reticulatae, 10-15 parts of radix saposhnikoviae, 15-25 parts of folium cortex eucommiae, 10-15 parts of malt, 10-15 parts of cortex magnoliae officinalis, 5-10 parts of poria cocos, 5-10 parts of rhizoma dioscoreae and 5-10 parts of folium perillae. The Qibai tonifying powder provided by the invention improves the immunity of piglet organisms, promotes digestion and absorption, enhances the anti-stress ability of piglets and reduces piglet diarrhea through the synergistic effect of invigorating spleen and tonifying qi, strengthening superficies and resisting evil and strengthening tendons and bones, thereby achieving the purpose of increasing the survival rate of piglets.

The application relates to a camellia automatic cutting device, and relates to the field of camellia cutting. The device comprises a mounting frame, the top of the mounting frame is provided with a cutting assembly, the top of the mounting frame is provided with a material guide plate, both sides of the mounting frame are provided with supporting frames, the opposite sides of the two supporting frames are fixedly connected with first fixing plates, the first fixing plates are fixedly connected with a connecting frame between the two first fixing plates, and the top of the mounting frame is fixedly connected with a plurality of vertical second fixing plates. The mounting frame can be pushed to the top of a culture plate, a cylinder is started, the cylinder drives a fixing frame to move, the fixing frame is limited by a limiting groove and a guide rail to vertically slide downwards, when the fixing frame reaches a proper height, the cylinder is closed, the cutting assembly is started to cut camellia, the cutting machine can avoid the situation that cutting is too deep or too shallow, and the survival rate of camellia cutting is improved.

The application relates to the technical field of forestry seedling raising and ecological restoration, and discloses a root guiding type full-biodegradable tree planting bag based on hybrid material modification and application, the tree planting bag is an integrally injection molded structure, the inner wall is provided with vertical root guiding edges, and the bottom is provided with a cross-shaped easy-to-crack line; the tree planting bag is longitudinally divided into an upper structure area and a lower degradation promoting area. The upper part is composed of PBAT / PLA and hybrid materials and has high strength and weather resistance; the lower part is composed of PBAT / PPC, hybrid materials and plant fibers and has moisture absorption and rapid degradation characteristics. The hybrid material is a composite in which nano-hydroxyapatite grows in situ on the surface of attapulgite. Through the synergy of the longitudinal gradient material and the physical root guiding structure, long-term shape retention during seedling raising and rapid disintegration of the bottom after planting are realized, the problems of seedling taproot and degradation lag are solved, the degradation products can adjust the pH value of the rhizosphere soil and provide phosphorus and calcium nutrition, and the afforestation survival rate is improved.

The invention discloses an artificial fish reef and an artificial fish reef putting method, and belongs to the technical field of water ecological restoration and fishery engineering. The artificial fish reef comprises a reef body, an anchoring structure and a take-up structure. The reef body is of a reinforced concrete frame structure, a bottom plate is closed, other faces are open, protective nets and cross beams are arranged on the side portions, the cross beams are connected through connecting rods, and planting boxes can be installed on the connecting rods. The anchoring structure comprises an anchor hook and an anchor chain, and the take-up structure comprises a take-up box, a take-up roller, a spring and a spring trigger assembly. Through cooperation of the trigger rod and the limiting rod, automatic retracting, releasing and anchoring of the anchor chain are achieved, the structure is stable, installation is convenient and fast, water flow scouring can be effectively reduced, the survival rate of submerged plants is increased, a spawning and inhabiting place is provided for fishes, and the fish gathering effect is remarkably improved.