21results about How to "Does not affect growth" patented technology

The utility model discloses a crop planting climbing frame in the field of crop planting.The crop planting climbing frame comprises a fixing plate, the two sides of the fixing plate are each provided with an adjusting assembly used for adjusting the height of the fixing plate, and the crop planting climbing frame is provided with a disassembling assembly and a placing assembly which are matched for operation, so that fruits on crops can be placed, and the crop planting climbing frame is convenient to use. According to the fruit storage device, the storage assembly is arranged on the adjusting assembly, the storage assembly can be vertically moved and adjusted through the dismounting assembly, so that the height position of the storage assembly can be adjusted along with the growth of fruits, and the fruit storage device is suitable for being used by various crops and has the recycling and reusing capacity; a bidirectional threaded rod and a plurality of structures are arranged, the distance between the two arc-shaped clamps can be adjusted through the bidirectional threaded rod, so that the adjusting assembly and the placing assembly are fixed and disassembled, meanwhile, the end of the disassembling assembly and the end of the placing assembly are in threaded connection, and the splicing mode is simple.

The utility model relates to the technical field of forestry engineering, and discloses a forestry engineering tree planting protection device which comprises two protection plates, the number of the protection plates is two, the structures of the two protection plates are the same, the two ends of the two protection plates are fixedly connected with fixing plates, and the fixing plates are fixedly connected with the forestry engineering tree planting protection device. First threaded holes are formed in the surfaces of the four fixing plates correspondingly, bolts are connected into the two corresponding first threaded holes in a threaded and sleeved mode, the two protection plates are connected through the two bolts, two sets of connecting plates are fixedly connected to the surfaces of the two protection plates correspondingly, and a rotating rod is rotationally connected between each set of connecting plates. The surface of each rotating rod is fixedly connected with a threaded rod, the surface of each threaded rod is sleeved with a threaded sleeve in a threaded mode, and when the device is used, the device can be rapidly mounted and dismounted, recycling and repeated using are convenient, meanwhile, growth of trees cannot be affected, and using is convenient.

The present application relates to the field of bioengineering, and particularly relates to a protein mutant capable of improving the nucleoside yield of a strain and application thereof. The present application performs point mutation on adenine deaminase and pyrimidine nucleotide transport protein, which can effectively accumulate the inosine, adenosine and other nucleoside related products produced by the strain, does not affect the growth of the bacterial body, has wider practicality, and is conducive to reducing the cost of industrial production of nucleosides.

The utility model discloses a vibration snow removing device for a greenhouse. The vibration snow removing device comprises a fixing plate, a vibrator, an electronic saluting gun and a storage battery. Fixing clips are arranged at the two ends of the fixing plate, the fixing plate can be fixed to a greenhouse frame of a greenhouse, the vibrator is arranged on one side of the fixing plate, the two electronic salutes are arranged on the other side of the fixing plate and are symmetrically arranged, the storage battery is arranged on any side of the fixing plate, and the storage battery is arranged on the other side of the fixing plate. The electromagnetic valve is connected with the vibrator and the electronic saluting gun; the electronic saluting gun comprises a sound production circuit, a sound production device and a sound amplification horn, the sound amplification horn is a volute type horn, the sound production device is arranged in the sound amplification horn, and the sound production circuit is connected with the sound production device. The vibration snow remover provides two vibration functions, vibration snow removal is carried out on the greenhouse in the snowing process, and the snow removal effect is good.

The utility model discloses a forest musk deer breeding house, and relates to the field of forest musk deer breeding. A forest musk deer breeding house comprises a foundation, a house room, a filter box and a water tank, the center of the top of the foundation is fixed to the bottom of the house room, the filter box is fixed to the left side of the top of the foundation, the water tank is fixed to the right side of the top of the foundation, and an activated carbon adsorption plate is transversely installed in an inner cavity of the filter box. According to the forest musk deer breeding house, firstly, monitoring parameters of the air quality sensor and the temperature and humidity sensor are set through the external processor, and when the temperature and humidity sensor monitors that the temperature in the breeding house is too high or the humidity in the breeding house is too low, the external processor starts the water pump; the water pump conveys liquid in the water tank into the spraying pipe through the water suction pipe and the water outlet pipe, the spraying pipe atomizes and sprays out the interior of the breeding house through the atomization nozzle, the interior of the breeding house is cooled and humidified, and air in the ventilation opening and the interior flows.

The invention discloses an intelligent constant-temperature culture system for algae. The system comprises an intelligent control unit, a constant-temperature circulating water unit and an algae culture unit, the intelligent control unit is used for intelligently regulating and controlling the temperature of the constant-temperature circulating water unit, so that the temperature of water entering the algae culture unit is constant, and meanwhile, various water quality parameter probes are arranged in the algae culture unit and are used for transmitting real-time detection parameters in the algae culture stage back to the intelligent control unit for data storage and real-time display. The device is reasonable in structural design and excellent in function, and does not cause large cold and hot impact on a culture sample in a constant temperature process to affect the growth of the culture sample. In addition, parameters such as air supply time and flow can be intelligently adjusted and set in combination with the real-time growth parameter state of the algae, it is ensured that the optimal air supply effect is achieved, and the cellular morphological structure is not affected or growth is inhibited while the algae culture growth rate is increased.

The utility model discloses a combined splicing type ecological bank protection structure which comprises square grids, bank protection stones and bank protection vegetation are filled in the square grids in a staggered mode, a plurality of square grids are laid on the slope surface of a bank slope and connected through connecting structures, and the surfaces of the square grids are covered with steel bar protection nets. The square grid is inserted into the bank slope through the consolidation piles; according to the ecological bank protection structure, the bank protection stone blocks and the bank protection vegetation are laid on the square grids, protection can be achieved through the bank protection stone blocks in the early stage, the protection effect can be achieved through the bank protection stone blocks and the bank protection vegetation in the later stage, and the ecological bank protection structure has the advantages of being high in stability, easy and convenient to construct, environmentally friendly and the like.

The utility model belongs to the technical field of cell culture flasks, and particularly relates to a cell culture flask which comprises a placement box, a plurality of mounting grooves are formed in the placement box, buffer pads are fixedly mounted on the inner walls of the mounting grooves, culture flasks are arranged in the buffer pads, and mounting blocks are fixedly mounted at the bottoms of the culture flasks and located in the mounting grooves. A limiting groove is formed in one side of the mounting block, a sliding groove communicating with the limiting groove is formed in one side of the mounting groove, the limiting block is slidably mounted in the sliding groove, one side of the limiting block extends to the limiting groove, and a plurality of springs fixed to the inner wall of the sliding groove are fixedly mounted on the side, away from the mounting groove, of the limiting block. When the whole device is used, it is ensured that a plurality of culture bottles can be carried at a time, convenience is achieved, the situation that the culture bottles slide down when a worker wears gloves and takes the culture bottles can be avoided, meanwhile, it is ensured that external air can enter the culture bottles, and bottle caps on the culture bottles do not need to be opened.

This invention belongs to the field of microbial technology and provides a microorganism coated with a metal-polyphenol secondary coordination nanocoating, its preparation method, and its applications. This invention involves the self-assembly of polyvinylpyrrolidone, metal ions, and polyphenols to form metal-polyphenol nanoparticles. Subsequently, a continuous nanocoating is rapidly deposited on the surface of the microorganism using the secondary coordination between the nanoparticles and the metal ions, resulting in a coating thickness of approximately 100 nm. The coating construction method of this invention is applicable to different types of microorganisms, and the coating has no significant impact on the normal growth of the microorganisms, exhibiting good biocompatibility. Simultaneously, this nanocoating can selectively promote the biofilm formation of Gram-negative probiotics (EcN). This promoting effect is maintained in a simulated intestinal mucus system. This invention can be used to improve the adhesion and colonization ability of probiotics and is applicable to the construction of probiotic preparations and microecological regulation systems.

The utility model discloses a tree-shaped adjusting structure, and relates to the technical field of tree-shaped adjusting auxiliary equipment, the tree-shaped adjusting structure comprises a stress block arranged on the side wall of a tree trunk, the side wall of the stress block is fixedly connected with a shell, a limiting part is arranged in the shell to limit the stress block on the tree trunk, the stress block is rotatably connected with a clamping block through a rotating shaft, and the clamping block is used for pulling branches. The clamping block is formed by combining a plurality of arc-shaped blocks, and a clamping part is arranged on the side wall of the stress block to keep the angle of the clamping block unchanged. Branch pulling is carried out in an extrusion mode of the clamping blocks, a thin rope is not needed, a branch pulling line is prevented from being embedded into a fruit tree, the inclination angle of the clamping blocks can be adjusted, and therefore use is convenient, when the branch pulling device is used for the second time, only the angle of the clamping blocks needs to be adjusted, and more labor is saved. In addition, the distance between every two adjacent arc-shaped blocks can be adjusted so that branches and leaves of the branches can be contained, extrusion of the branches and the leaves is avoided, and growth of the branches cannot be affected.

The invention relates to the field of PHA production, and discloses a method for increasing the yield of PHA, which is characterized by comprising the following steps: inoculating a PHA fermentation strain into a fermentation culture medium for fermentation under the condition that PHA can be produced by fermentation, and supplementing sulfur-containing acid radical ions in the fermentation process. By adopting the method, the number of thalli can be increased, higher PHA content can be obtained, and the growth of strains is not influenced.

The invention discloses a preparation method and application of a perilla leaf traditional Chinese medicine residue-based charcoal composite material. Belongs to the technical field of soil remediation materials. The method comprises the following three steps: by taking perilla leaf extraction residue as a raw material, performing pretreatment, performing gradient oxygen-limited cracking and preparing a finished product: firstly, air-drying the raw material until the water content is less than or equal to 15%, crushing and sieving with a 2mm sieve; nitrogen is introduced at the speed of 40-60 mL / min to serve as shielding gas, the temperature is increased to 180-220 DEG C at the speed of 8-12 DEG C / min to be cracked for 1-2 h, the temperature is continuously increased to 400-450 DEG C to be cracked for 3-6 h, and the temperature difference of two sections of cracking is larger than or equal And finally, quenching with nitrogen, crushing and sieving with a 0.15 mm sieve to obtain a finished product. The adsorption performance of the prepared biochar composite material on Pb < 2 + > and Cd < 2 + > is remarkably improved; and the preparation process is free of chemical addition, low in raw material cost and suitable for in-situ remediation of Pb < 2 + > and Cd < 2 + > contaminated soil, and resource utilization of the medical solid waste is achieved.

The invention relates to a maltogenic amylase mutant with improved enzymatic activity and a screening method thereof, and belongs to the technical field of bioengineering. According to the invention, a maltogenic amylase mutant library is firstly constructed, then fluorescent protein and maltogenic amylase mutants are respectively expressed in recombinant bacillus subtilis by using Pglvc and PmyE promoters, and the response range and induction intensity of Pglvc to maltose are further improved after mutation. The maltogenic amylase mutants react with soluble starch to generate maltose, and a Pglvc promoter expresses fluorescent protein under the induction of the maltose, so that high-activity maltogenic amylase mutants AmyMQ440N and AmyMS442N / Q661L are screened from recombinant strains according to the fluorescence intensity difference of the recombinant strains, and the high-activity maltogenic amylase mutants are obtained. Compared with a wild type, the mutant has the advantages that the enzyme activity, the catalytic efficiency, the thermal stability and the like are obviously improved, and the mutant can be widely applied to preparation of maltose by hydrolyzing starch.

The invention relates to the technical field of fermented milk products, in particular to fermented milk containing bifidobacteria with high viable count and a preparation method of the fermented milk. Specifically, when the fermented milk containing the probiotics is prepared, raw milk, white granulated sugar, wheat hydrolyzed protein powder, inulin and milk protein powder are jointly used as raw materials of the fermented milk, and the viable count of the probiotics bifidobacterium in the fermented milk is increased by using the wheat hydrolyzed protein powder, the inulin and the milk protein powder according to the mass ratio of (1-4): (1-10): (1-8). By adding the prebiotics, the milk protein powder and the plant protein powder composition into the formula, the bifidobacterium fermented milk has a remarkable value-increasing effect, and the problem that the viable count of the bifidobacterium-containing probiotic fermented milk is low is effectively solved.

The utility model discloses a sludge wet oxidation waste gas soil filter treatment device which comprises a spray absorption unit, a biological soil filter unit and a waste gas collection and exhaust unit, the spraying absorption unit performs reverse heat and mass transfer on waste gas to be treated and an intermediate medium in a spraying tower, the waste gas subjected to heat exchange enters the biological soil filter tank unit, is subjected to microbial decomposition through a filter tank filler layer and an active soil layer, is collected by a transparent collection cover of the waste gas collection and exhaust unit, and is subjected to high-altitude up-to-standard emission. The waste gas treatment device is low in waste gas treatment cost, simple, stable and reliable; the transparent collecting cover is made of a light-transmitting material, so that photosynthesis of herbaceous plants can be maintained, and strain loss caused by rain wash can be prevented; and the waste gas collection and exhaust unit is used for organized emission, so that enrichment of organic matters in a factory environment is avoided. The device combines spraying and biological soil filter unit treatment processes, achieves up-to-standard emission of waste gas, and guarantees long-term stable operation of the system.

The utility model relates to the technical field of rose planting, and discloses an adjustable rose planting spraying device which comprises a supporting mechanism and an adjusting mechanism, the adjusting mechanism is movably connected to the top of the supporting mechanism, the adjusting mechanism comprises a reciprocating unit and a spraying unit, the reciprocating unit is movably connected to the top of the supporting mechanism, and the spraying unit is movably connected to the top of the supporting mechanism. And the spraying unit is movably connected to the surface of the reciprocating unit. According to the adjustable rose planting spraying device, the adjustable and reciprocating spraying head is adopted, the irrigation water amount and the spraying range can be adjusted according to actual requirements, waste of water resources is avoided, meanwhile, negative effects on the environment are reduced through precise irrigation, the development concepts of green, low carbon and environmental protection are met, and the adjustable rose planting spraying device is worthy of popularization and application. When used in an installable mode, the device can be suitable for various scales of rose planting sites, can be customized and transformed according to actual needs, is small in installation occupied space, and does not affect the growth of roses during spraying.

The present application relates to a strain of Bacteroides fragilis and its application, the strain is preserved in China General Microbiological Culture Collection Center (CGMCC) on April 14, 2026, and the preservation number is: CGMCC No. 38257.The strain can regulate STING-dependent training immunity, effectively resist Salmonella typhimurium and H9N2 avian influenza virus infection, maintain the integrity of the intestinal barrier of the host, and reduce inflammatory damage.The Bacteroides fragilis of the present application has good biological safety, and the strain can be used as a training immunity inducer, and the strain is expected to be a candidate probiotic or vaccine adjuvant for preventing / treating bacterial and viral infections, suitable for human health and poultry farming, and provides a new solution to resist antibiotic resistance.

The present invention relates to a maltogenic amylase mutant with improved enzyme activity and a screening method thereof, belonging to the field of bioengineering technology. The present invention first constructs a maltogenic amylase mutant library, then uses P in a recombinant Bacillus subtilis glvc and P amyE The promoters express fluorescent protein and maltogenic amylase mutants, respectively. glvc After mutation, the response range and induction intensity to maltose were further improved. Since the maltogenic amylase mutant reacts with soluble starch to produce maltose, under the induction of maltose, P glvc The promoter expresses fluorescent protein, so the fluorescence intensity difference of the recombinant strains is used to screen the highly active maltogenic amylase mutant AmyM. Q440N and AmyM S442N / Q661L The mutant has been significantly improved in enzyme activity, catalytic efficiency and thermal stability compared with the wild type, and can be more widely used in hydrolyzing starch to prepare maltose.

The application belongs to the technical field of genetic engineering, and particularly relates to a CtPYL6 protein related to plant drought resistance, a gene and application thereof. The application provides a CtPYL6 protein related to plant drought resistance, wherein the amino acid sequence of the CtPYL6 protein is shown as SEQ ID NO. 1. The CtPYL6 protein provided by the application can improve the drought resistance of plants. The results of examples show that overexpression of the gene can improve the seed germination rate, the chlorophyll content of plants and the photosynthetic efficiency of plants. CtPYL6 Compared with wild type plants, overexpression of the gene can reduce the accumulation of malondialdehyde, superoxide anion and hydrogen peroxide, and significantly improve the activities of superoxide dismutase, catalase and peroxidase, thereby improving the drought resistance of plants. CtPYL6 The CtPYL6 protein provided by the application can obtain new germplasm with the drought resistance characteristics, and is of great significance for carrying out drought-resistant crop breeding.

The utility model discloses an agricultural film for preventing insects and ants, and relates to the technical field of agricultural films, the agricultural film for preventing insects and ants comprises a base layer and six adhesion layers, the base layer comprises two tensile layers, an anti-ultraviolet layer is arranged between the two tensile layers, and the front side and the rear side of the tensile layer on the upper side are respectively connected with two liquid storage assemblies. By means of the liquid storage assembly, the conveying assembly, the landfill part and the volatilization strip, the liquid storage bags can be located on the front side and the rear side of the thin film, so that after soil blocks are compacted at the front end and the rear end of the thin film, the middle of the thin film is not pressed by the liquid storage bags, and the middle area of the thin film is in a flat and tight state; the conveying assembly can be used for conveying and volatilizing liquid medicine, so that compression of a downward pressing space is not caused for crops, growth of the crops is not affected, the conveying assembly can control and adjust the conveyed and volatilized liquid medicine, and waste caused by extrusion and output of the liquid medicine is avoided.

The utility model discloses a watering device for selenium-rich vegetable cultivation, which comprises a fixing frame, support frames are fixedly mounted on both sides of an inner cavity of the fixing frame, clamping blocks are arranged in the support frames, a cultivation frame is fixedly mounted at the upper ends of the clamping blocks, first handles are fixedly mounted on both front and rear sides of the cultivation frame, and the first handles are fixedly mounted on the inner cavity of the fixing frame. A waste water collecting box is placed below the inner cavity of the fixing frame, and a second handle is fixedly installed on the front face of the waste water collecting box. The waste water collecting box is additionally arranged at the bottom of the cultivation frame, water seeping after irrigation can be collected, the situation that the seeping water leaks everywhere to cause waste and pollute the ground is avoided, meanwhile, the spraying pipe is arranged above the cultivation frame, growth of vegetables cannot be affected, and the cultivation frame is simple in structure and convenient to use. Meanwhile, the overall height of the supporting shaft and the overall height of the spraying pipe can be adjusted according to the growth height of the vegetables, spraying can be directly conducted on the vegetables in the cultivation and planting process, frequent manual watering is not needed, and labor force is reduced.