71 results about "Macadamia nut" patented technology

The invention discloses a molecular marker primer group and a kit for identifying a macadamia nut variety Diishi No.1 and application of the molecular marker primer group and the kit. The molecular marker primer group is composed of five pairs of primers, and each pair of primers is composed of an upstream primer and a downstream primer. An upstream primer of the first pair of primers is as shown in SEQ ID NO: 1 in a sequence table, a downstream primer of the first pair of primers is as shown in SEQ ID NO: 2 in the sequence table, an upstream primer of the second pair of primers is as shown in SEQ ID NO: 3 in the sequence table, a downstream primer of the second pair of primers is as shown in SEQ ID NO: 4 in the sequence table, an upstream primer of the third pair of primers is as shown in SEQ ID NO: 5 in the sequence table, and a downstream primer of the fourth pair of primers is as shown in SEQ ID NO: 6 in the sequence table. The downstream primer of the third pair of primers is shown as SEQ ID NO: 6 in the sequence table, the upstream primer of the fourth pair of primers is shown as SEQ ID NO: 7 in the sequence table, and the downstream primer of the fourth pair of primers is shown as SEQ ID NO: 8 in the sequence table. The molecular marker primer group can be used for accurately identifying the macadamia nut variety Diishi No.1.

The invention relates to the technical field of deep processing of vegetable fat, in particular to a preparation method and application of squalene-containing macadamia nut oil. Through the synergistic effect of directional enzymolysis conversion and low-temperature step-by-step extraction and the combined effect of the three enzymes (cellulase destroys cell walls, lipase releases grease and beta-glucosidase removes inhibitors, and the three enzymes form a wall breaking-oil releasing-synergistic synergistic reaction) by utilizing a compound enzyme which is fixedly matched and proportioned. The compound enzyme can be used for synchronously treating cellulose, lipid and glycoside substances, so that the release efficiency of squalene is improved; and step-by-step extraction is utilized to reduce extraction impurities, so that the content of squalene in the macadamia nut oil can be increased, and the extraction and enrichment of squalene in the macadamia nut meat can be realized.

The utility model relates to the technical field of nut planting, in particular to a planting device for macadamia nut planting, which is characterized in that inner plates are arranged on the inner sides of all bearing pipes, top plates are fixedly connected to the top ends of all the inner plates, and supporting plates are rotatably connected to all the top plates through pin shafts; the tops of all the supporting plates are fixedly connected with arc-shaped supporting plates, the bottom of the arc-shaped base is fixedly connected with a plurality of fixing rods, the problem that an existing planting device lacks an effective fixing and limiting mechanism in the planting process is effectively solved, the straightness degree of saplings is ensured, and the subsequent growth quality and yield of the saplings are improved.

The application discloses a kind of macadamia low-yield orchard grading precision reform integrated method, belong to tropical economic forest cultivation and low-yield orchard quality improvement technical field.The application macadamia low-yield orchard grading precision reform integrated method first by field quantifiable index, macadamia low-yield orchard is divided into 4 main types and 2 subtypes, then the category of macadamia low-yield orchard is carried out differentiating technical reform, including variety optimization, tree shape reconstruction, soil remediation, finally the macadamia low-yield orchard after reconstruction is carried out light simplification long-acting management and protection measures and is managed and protected.The application is different for the macadamia low-yield orchard of different obstacle causes and is carried out differentiating adaptation reconstruction, forms from classification determination, reconstruction implementation to long-acting management and protection whole-process system, can realize macadamia low-yield orchard grading precision, reconstruction cost is low, production cycle is short, yield effect is stable, without whole orchard cutting and reseeding, can realize low-yield orchard rapid production.

The application discloses a macadamia nut packaging machine, which comprises an ultraviolet sterilization mechanism, an inlet conveyor, a shunt, a kernel elevator, a kernel packaging mechanism, a shell elevator and a shell packaging mechanism.

This invention discloses a method for simultaneous flowering and fruiting of macadamia nuts. First, in September of the current year, pre-harvest fertilizer is applied to the 695 macadamia nut variety before fruit harvest. In October, when the fruit matures, 1 / 5 to 1 / 3 is harvested, with the remaining fruit left on the branches. Post-harvest pruning is carried out in October and November, leaving branches that did not bear fruit unpruned; harvested branches are lightly pruned. From November to March of the following year, the remaining fruit is harvested in batches, leaving no more than 1 / 4 of the fruit, with branch pruning performed simultaneously during harvest. Before flower bud differentiation in November, a flower-promoting fertilizer is sprayed to encourage flower bud differentiation. Around March of the following year, the 695 macadamia nut variety flowers, achieving simultaneous flowering and fruiting, with all remaining fruit harvested. This invention addresses the low natural fruit drop rate of the 695 macadamia nut variety by harvesting a portion of the fruit during the October ripening period, leaving the rest on the branches, and then harvesting in batches according to market conditions to stagger market entry. Simultaneously, the fruit is used to suppress the sprouting of autumn / winter and spring shoots, promote flower bud differentiation, and reduce the workload of post-harvest pruning.

The invention relates to a macadamia nut flower and fruit retention synergistic method which comprises the following steps: in the early stage of flower bud differentiation, annularly applying slow-release granules to the root of a macadamia nut tree, and spraying fructan emulsion to the crown at the same time; in the early flowering period, a water dispersible sustained release preparation containing microencapsulated compound sodium nitrophenolate is sprayed to tree crowns of macadamia nuts, sodium alginate embedded borax sustained release microsphere suspension liquid is sprayed to leaf surfaces, and a hydrogel complexing agent containing sustained release monopotassium phosphate and amino acid is sprayed to the leaf surfaces; in the full-bloom stage, a composite slow-release emulsion containing liposome-embedded compound sodium nitrophenolate and brassinolide is sprayed to tree crowns of the macadamia nuts, slow-release gel microsphere suspension liquid of borax and amino acid is sprayed to leaf surfaces, and slow-release nano-emulsion containing beta-cyclodextrin-embedded bee wax volatile substances is sprayed to the tree crowns; in the initial fruit setting stage, sulfur-coated slow-release compound fertilizer is applied to the roots of macadamia nut trees, and ionic cross-linked calcium alginate microsphere embedded amino acid slow-release foliar fertilizer is sprayed to the leaf surfaces of the macadamia nut trees.

The invention discloses macadamia nut handmade soap and a preparation method thereof. The handmade soap is prepared from the following raw materials in parts by weight: 40 to 55g of macadamia nut oil, 30 to 45g of coconut oil, 25 to 35g of olive oil, 20 to 30g of sweet almond oil, 15 to 24g of macadamia nut green peel extract, 10 to 16g of perilla extract, 16.5 to 22.5 g of sodium hydroxide and 42 to 48g of deionized water. On the basis of the handmade soap, by optimizing the proportioning amount of all the raw material components, the synergistic interaction effect can be achieved, the antibacterial performance of the handmade soap can be greatly improved, and the handmade soap has certain DPPH free radical scavenging capacity and has certain anti-aging and moistening effects and the like.

This invention discloses a method for eliminating moss growth on macadamia nut leaves, relating to the field of agricultural planting technology. The specific method involves spraying a moss-removing agent onto the macadamia nut leaves during the moss occurrence period, applying moss inhibitor I to the main stem, and applying moss inhibitor II to the soil surface around the main stem. The moss-removing agent comprises the following raw materials in parts by weight: 40-50 parts of allicin, 15-24 parts of urea, 5-18 parts of calcium propionate, 20-27 parts of calcium sulfate, 10-17 parts of calcium chloride, 20-35 parts of vegetable oil, 1-10 parts of titanium dioxide, 1-5 parts of glutathione, and 1-3 parts of dispersant. This invention solves the problems of slow effectiveness, short duration of action, and low plant safety in current macadamia nut leaf moss control methods, achieving highly efficient control.

The utility model discloses an integrated macadamia nut automatic processing production line relates to food processing machinery technical field, including the inclined setting feeding mechanism, its far away ground one end is equipped with horizontal conveyer belt, and one side of horizontal conveyer belt is equipped with a plurality of peeling mechanism, and each peeling mechanism corresponding position all is equipped with the shunt mechanism, and the downside of peeling mechanism is equipped with conveyer belt no.

The invention provides ginseng fermentation-dendrobium base cream with protection and nourishing functions and a preparation method and application of the ginseng fermentation-dendrobium base cream, and belongs to the technical field of cosmetics. The sun screen is mainly prepared from water-phase components such as ginseng fermentation liquor, dendrobium officinale extract, purslane flower water and tremella polysaccharide. Oil phase components such as pteroceltis tatarinowii seed oil, baobab oil and macadamia nut seed oil; sericite, titanium dioxide, zinc oxide and other powder components; the composition is prepared by compounding the raw materials, ceramide 3, ethylhexylglycerin, natural plant essential oil and other components according to a specific mass percentage and a preparation process, and the pH value is adjusted to 5.5-6.5. The sun screen has excellent physical isolation and ultraviolet ray blocking functions, deeply nourishes and repairs skin barrier, improves skin quality, and is mild and comfortable in skin feeling and remarkable in effect.

The utility model relates to the technical field of macadamia nut screening, and discloses an automatic feeding macadamia nut multistage classifying screen which comprises a fixing support, the upper surface of the fixing support is fixedly connected with a screening bin, the inner wall of the screening bin is in sliding connection with a multistage screening cylinder, the bottom of the screening bin is fixedly connected with a flow guide plate, and the flow guide plate is fixedly connected with a motor. Auxiliary wheels are fixedly connected to the two sides of the outer wall of the multi-stage screening barrel, a guide rail is fixedly connected to the outer wall of the screening bin, and a driving assembly is arranged on the upper surface of the screening bin; the driving assembly comprises a motor and a transmission belt, and the motor is arranged above the screening bin. According to the macadamia nut grading device, due to the design of the circular-truncated-cone-shaped inclined faces of the multiple stages of screening barrels, fruits of different sizes fall into the corresponding flow guide plates and then are conveyed to the multiple stages of conveying plates through the inclined faces of the flow guide plates to be filtered and conveyed in a grading mode, the screening efficiency and the grading accuracy are greatly improved, and the requirements for high quality and high efficiency of macadamia nut grading in industrial production are effectively met.

The utility model discloses a macadamia nut packaging and weighing device, which belongs to the technical field of macadamia nut processing and comprises a worktable, a weighing device, a mounting frame, a clamping component, a material guide hose and a conveying belt. A stand column is vertically arranged on the working table, a discharging hopper is arranged on the stand column, an electromagnetic valve is arranged at a discharging port of the discharging hopper, and the electromagnetic valve is electrically connected with a controller arranged on the working table. The weighing device is arranged on the workbench and located below the discharging hopper. The mounting frame is arranged on the workbench, the mounting frame is provided with a supporting rod in an extending mode in the direction of the weighing device, a bracket is arranged at the end of the supporting rod, and a clamping groove is formed in the bracket; the clamping assembly is arranged on the bracket and clamps the portion, arranged in the clamping groove, of the packaging bag. And the material guide hose is arranged on the blanking hopper. The macadamia nut packaging and weighing device can package and weigh macadamia nuts in a semi-automatic mode, the labor intensity of workers is reduced, and the production efficiency is improved.

The application provides a method for preventing early decline of densely-planted double-layered circular table-shaped macadamia nut trees, and belongs to the technical field of fruit tree cultivation. The method for preventing early decline comprises hierarchical nutrient supply and flower and fruit protection management. The hierarchical nutrient supply comprises: deep application of calcium, magnesium and phosphorus fertilizer in the lower layer of more than 60cm soil, and covering with a root control device; application of organic fertilizer and biological bacteria agent in the middle layer of 30-60cm soil; and application of a large amount of elements, humic acid and seaweed extract water-soluble fertilizer in the upper layer of 0-30cm soil. The flower and fruit protection management comprises: spraying ABA and paclobutrazol during flower bud differentiation period; spraying brassinolide and fluid boron during full flowering period; spraying forchlorfenuron and amino acid during young fruit period; and spraying NAA and potassium dihydrogen phosphate during fruit swelling period. The application supplies nutrients hierarchically and protects flowers and fruits for densely-planted double-layered circular table-shaped macadamia nut trees, prevents early decline of the densely-planted macadamia nut trees, promotes the development of lower branches, balances tree vigor and maintains high yield.

This invention discloses a method for indoor artificial rearing of the coconut-boring rhinoceros beetle, belonging to the field of artificial insect rearing technology. The method includes the preparation of a compound feed and phased rearing management: the compound feed uses macadamia nut husks as the main ingredient, supplemented with corn flour, wheat bran, soybean meal, and other auxiliary materials, and is prepared through fermentation, mixing, and humidity control. During rearing, suitable temperature and humidity are controlled for the adult, egg, larval, and pupal stages respectively. Adults are supplemented with fruit, and larvae are given supplemental feed as needed. The feed is regularly changed, and the environment is cleaned. This invention features a scientifically formulated and controllable rearing condition, adapting to the growth needs of the coconut-boring rhinoceros beetle at each developmental stage, ensuring its normal growth and development, improving the rearing success rate and survival rate, and achieving stable indoor artificial rearing of the coconut-boring rhinoceros beetle. This provides a reliable insect source for the research and development of this medicinal and resource insect, and is practical.

The invention belongs to the technical field of skin care products, and particularly relates to a composition and application thereof. The invention relates to a composition, in particular to a composition with repairing and anti-wrinkle effects and application thereof. The invention provides a composition. The composition is prepared from garcinia indica seed grease, phytosterol macadamia nut oleate, a castor oil / IPDI (isophorone diisocyanate) copolymer and a saussurea involucrata extract. When the composition is used, through the synergistic effect of all the components, hydrogen bonds are connected in multiple directions, crystals are prevented from simply growing into large sheet shapes or needle shapes, and tiny, fiber-shaped or needle-shaped microcrystals tend to be formed. The microcrystals are mutually crosslinked and overlapped to construct a continuous layered network structure penetrating through the whole matrix, and excellent repairing and anti-wrinkle effects can be formed. And the components are natural, safe and mild, do not irritate the lip skin, and are suitable for long-term use.

The utility model provides a macadamia nut shell opening and drying integrated device, and belongs to the technical field of nut processing. Comprising a shell opening box, a drying box is mounted at the top of the shell opening box, a shell opening cavity is formed in the shell opening box, shell opening rollers are symmetrically and rotationally arranged in the shell opening cavity, sliding grooves are symmetrically formed in the two side edges of the shell opening box, mounting rings are symmetrically and slidably arranged in the sliding grooves, and the two ends of the shell opening rollers are rotationally arranged on the mounting rings; an adjusting cavity is vertically formed in the outer side edge of the shell opening box, and an adjusting assembly is installed in the adjusting cavity. A drying cavity is formed in the drying box, inclined plates are symmetrically and obliquely installed at the top of the shell opening cavity of the shell opening box, and air blowing nozzles for assisting air blowing are installed on the adjacent side edges of the two inclined plates and communicate with an air outlet of the hot air pump. According to the utility model, the distance between the two shell opening rollers can be adjusted according to different overall sizes of macadamia nuts, so that the macadamia nuts with different sizes can be subjected to stable shell opening treatment in the subsequent working process.

The application discloses a method for undergrowth near-natural interplanting of black chicken nest fungus in a macadamia nut forest, which comprises the following steps: (1) fungus bed digging and sterilization treatment: removing undergrowth dry branches, fallen leaves and sundries on the surface of soil of the macadamia nut forest, then digging a fungus bed in the macadamia nut forest, and performing sterilization treatment on soil of the fungus bed; (2) fungus bag making: taking a macadamia nut shell, sundry wood chips, corn cobs, wheat bran, corn flour, soybean meal and lime as raw materials to make a cultivation substrate, sterilizing the cultivation substrate after bagging, then inoculating black chicken nest fungus spores into the cultivation substrate and sealing, so as to obtain the fungus bag. The method scientifically plans the distribution position of the fungus bed, utilizes the macadamia nut shell to make the cultivation substrate, realizes efficient utilization of resources, improves the yield of the macadamia nut, and can obtain the black chicken nest fungus with high yield, so that the win-win of ecology and economic benefits is promoted.

The utility model discloses a macadamia nut maturity rapid determination device, which comprises a base, a fixed cylinder, an opening and closing mechanism, a clamping mechanism, a detection measuring cylinder, a take-out mechanism, a scale line and a determination line, the upper part of the base is fixedly connected with the fixed cylinder, the opening and closing mechanism is arranged in the fixed cylinder, the clamping mechanism is arranged in the fixed cylinder, and the detection measuring cylinder is fixedly connected with the determination line. The detection measuring cylinder is arranged in the middle of the clamping mechanism, and the taking-out mechanism is arranged at the upper end of the detection measuring cylinder. Compared with the prior art, the device has the advantages that the detection measuring cylinder with the scale marks and the judgment line is arranged, and the macadamia nuts are immature fruits above the judgment line and mature fruits below the judgment line by observing the corresponding positions of the macadamia nuts in the measuring cylinder, so that the oil content in the nuts can be quickly judged; the nut screening machine is small in size, simple in structure and convenient to use, and the production and use cost is greatly reduced.

The invention relates to the technical field of biological medicines, in particular to polypeptide for treating non-alcoholic fatty liver diseases. The invention provides a novel octapeptide P3-1 (SEQ ID NO: 1) derived from macadamia nuts. The novel octapeptide P3-1 (SEQ ID NO: 1) can remarkably improve liver lipid metabolism disorder, restore liver functions, relieve inflammatory response and increase abundance of probiotics in mice with non-alcoholic fatty liver diseases induced by high fat diet. The polypeptide is small in molecular weight, safe in source and easy to absorb, has good medicinal and health-care food development potential, and provides a safe and effective new way for targeted intervention of the non-alcoholic fatty liver disease.

The utility model discloses low-temperature drying equipment for hulled macadamia nuts, which relates to the technical field of nut processing and comprises a hopper, a plurality of blanking pipes are uniformly arranged at the bottom of the hopper, a transportation component is arranged below the hopper, and a low-temperature drying component is arranged above the transportation component; a collecting hopper is arranged at the end, away from the hopper, of the conveying assembly, an elevator is arranged on the inner side of the collecting hopper, and a belt conveyor is arranged below the end, away from the collecting hopper, of the elevator. The conveying assembly and the elevator are both in transmission connection with the driving assembly. The multiple conveying belts can transfer the nuts at the same time, batch transfer of the nuts is achieved, and the transfer number and efficiency of the nuts are improved; according to the nut low-temperature drying device, the nuts on the conveying belt can be dried through the temperature emitted by the steam in the multiple heat dissipation pipes, the nuts are still in the moving state in the drying process, it is not affected that the nuts to be dried move to the conveying belt subsequently, uninterrupted operation is achieved, and the efficiency of nut low-temperature drying work is further improved.

The utility model relates to a macadamia nut pesticide spraying assembly line. The macadamia nut pesticide spraying assembly line effectively solves the problems that the angle of a nozzle cannot be flexibly changed during assembly line pesticide spraying and the like. Comprising a sliding way, a sliding block is slidably arranged on the surface of the sliding way, a water spraying plate is rotatably arranged on one side of the sliding block, a spraying head is arranged on one side of the water spraying plate, a control panel is installed on one side of the sliding way, a control groove is formed in the upper surface of the control panel, and a control strip is slidably arranged on one side of the sliding block; one end of the control strip is in lap joint with a control groove, and the other end of the control strip is in lap joint with a water spraying plate. After the sliding way is laid, the sliding block walks and sprays on the sliding way, a whole row of nuts can be sprayed, manual pushing operation is not needed, a control plate is installed on the sliding way and corresponds to a tree, and therefore when the water spraying plate is close to the tree or away from the tree, the spraying plate can automatically rotate by an angle, and the angle tends to the circle center of the tree.

The invention belongs to the technical field of shell cutting, and particularly relates to an automatic cutting device for macadamia nut processing, which comprises a bottom plate, and a feeding slide rail, a hydraulic oil cylinder, a cutting module and a positioning box body which are mounted on the bottom plate, the positioning box body is fixedly connected to one end of the bottom plate, the hydraulic oil cylinder is fixedly connected to the other end of the bottom plate, the feeding sliding rail is arranged between the hydraulic oil cylinder and the positioning box body, and the outlet end of the feeding sliding rail is communicated with the feeding end of the positioning box body; the notching module is arranged at one end of the bottom plate and located over the positioning box body. A hydraulic oil cylinder is used for pressing to-be-processed fruits, the to-be-processed fruits extrude a sliding rod to slide out of a positioning box body, automatic feeding and positioning are achieved based on sliding fit of a guide rod in a cutting module and the sliding rod sliding out of the positioning box body, through cooperation of the sliding rod and the guide rod, the cutting depth is made to adapt to the size of the to-be-processed fruits, and pulp is prevented from being cut; and the whole structure is compact, continuous machining is supported, and the efficiency is improved.

The application discloses a composition with red fading effect and application thereof, and the composition comprises the following components in percentage by mass: 90-99% of a fat-soluble solvent, and 1-10% of a sargent pea extract; wherein the fat-soluble solvent is at least one of glycol, caprylic acid / capric acid triglyceride, sunflower seed oil, macadamia nut oil, white pool flower seed oil, silicone oil, squalane, ethylhexyl palmitate, diisostearyl malate, polyglyceryl-2 triisostearate, camelina sativa seed oil, octyldodecanol, and cocoyl caprylate / caprate. The sargent pea extract is mixed with the fat-soluble solvent, and the prepared composition has very significant red fading effect.

The application discloses a method and device for reducing the sticky shell rate of macadamia nuts, and comprises the following steps: S1, breaking green skin; S2, separating green skin from shell nuts; S3, drying; S4, grading; S5, sticky removal treatment: different grades of nuts are respectively poured into a rotating arc-shaped prong grid sticky removal machine group for sticky removal work; and S6, opening; wherein the sticky removal machine group in S5 comprises a sound insulation shell, a treatment disc and arc-shaped grids, the treatment disc is installed on the top inside of the sound insulation shell, a plurality of arc-shaped grids are arranged in the treatment disc, a falling cylinder is welded at the bottom of the treatment disc, a spraying motor is installed between the treatment disc and the falling cylinder, and two arc-shaped grids are arranged directly below the falling cylinder. The sticky removal machine group is newly added, the pre-treatment and drying machine group is upgraded, the sticky shell rate of the macadamia nuts is greatly reduced, the energy consumption, noise and production cost are reduced, and the working efficiency is improved.

The invention relates to the field of intelligent agriculture, and particularly discloses a macadamia nut disease detection and recognition method based on image recognition, which comprises the following steps: S100: image data acquisition: acquiring high-definition digital images of leaves and fruits at the middle and upper parts of a macadamia nut tree canopy from multiple angles under a natural light condition, the method comprises the following steps: collecting an object covering healthy leaves and disease samples which are confirmed as anthracnose, leaf blight and stem canker on site by agricultural experts, and accurately marking each collected image to generate a data set containing image file names and corresponding disease category labels, wherein the disease samples comprise different disease severity degrees, leaf growth stages and background environments; s200, performing image input processing, and taking the data set obtained in S100 as input data; s300, image processing is carried out; s400, obtaining a final recognition result; according to the technical scheme, disease features can be learned in a self-adaptive mode, complex environment interference is resisted, and recognition precision and efficiency are both considered.

This invention provides a macadamia nut cleaning device with a debris collection function, relating to the field of nut processing technology. It includes a support plate, variable-diameter cleaning rollers, a drive assembly, an adjustment assembly, and a water supply assembly. Two sets of support plates are arranged opposite each other. Several sets of variable-diameter cleaning rollers are rotatably arranged between the two sets of support plates in a linear arrangement. The water supply assembly is located above the two sets of support plates and supplies water to the upper part of the variable-diameter cleaning rollers. The drive assembly is mounted on the side wall of the support plate. Compared with existing technologies, this invention enables automatic cleaning and automatic discharge of macadamia nuts. Furthermore, during the cleaning process, abrasion can be applied to the macadamia nuts, ensuring that debris is smoothly removed from the nut surface. It has the advantages of good cleaning effect and high cleaning efficiency.

This invention provides a fertilization device for macadamia nut cultivation, relating to the field of macadamia nut cultivation technology. It includes: a fertilizer storage unit, a control reinforcement unit, a fertilization detection unit, a fertilizer control unit, and a support confirmation unit. Two sets of fertilization detection units are provided, and both sets are installed on the fertilizer storage unit. The fertilizer control unit is installed on the fertilizer storage unit and the two sets of fertilization detection units. Two sets of support confirmation units are provided, and both sets are installed on the left and right sides of the fertilizer storage unit. The control reinforcement unit is installed on the rear side of the fertilizer storage unit. When the three control switches b are pressed, the corresponding two electric telescopic rods b drive the inner arc-shaped sealing frame to move downwards, automatically matching the appropriate fertilization amount according to the diameter of the macadamia nut tree. This solves the problem of not being able to automatically match the appropriate fertilization amount according to the diameter of the macadamia nut tree, which affects the fertilization accuracy of the macadamia nut tree.

The application relates to the technical field of foreign matter detection, and discloses a low-contrast foreign matter enhancement detection method and system for macadamia nut X-ray images. The method comprises the following steps: collecting an X-ray transmission image of a macadamia nut to be detected, performing single-fruit segmentation and posture rectification, generating a single-fruit contour result and a radial coordinate mapping result; calculating the gray scale attenuation track from the fruit body edge to the fruit body interior along different angles, determining a background attenuation reference curve and generating a single-fruit local attenuation reference graph; calculating a residual attenuation graph based on the X-ray transmission image and the single-fruit local attenuation reference graph, suppressing shell edge response and structure response, and generating a foreign matter enhancement response graph; extracting a connected candidate region, calculating a residual amplitude, a radial position offset and an angular continuous length, performing pseudo-foreign matter elimination, generating a low-contrast foreign matter judgment result, and outputting a foreign matter position and a sorting control instruction; and the application can improve the low-contrast foreign matter detection accuracy and online sorting reliability of macadamia nuts.

The invention belongs to the technical field of battery materials, and particularly relates to a macadamia nut shell-based hard carbon negative electrode material as well as a preparation method and application thereof. The preparation method of the macadamia nut shell-based hard carbon negative electrode material comprises the following steps: S1, performing pretreatment on macadamia nut shells to serve as a precursor; s2, weighing the precursor obtained in the step S1, grinding and mixing with a corresponding amount of arginine, adding a phytic acid solution and water for reaction after mixing, and drying a product after the reaction is completed; s3, carbonizing a product obtained after drying in the step S2; and S4, cleaning and drying the carbonized product obtained in the step S3 to prepare the macadamia nut shell-based hard carbon negative material. The prepared macadamia nut shell-based hard carbon negative electrode material can effectively solve the problems that an existing negative electrode material is low in initial coulombic efficiency, poor in rate capability, poor in long-term cycling stability and the like, and the effects of high specific capacity, excellent rate capability, long cycle life and the like are achieved.