280 results about "Corn kernel" patented technology

The invention discloses an Indel marker related to a corn kernel protein content character and application of the Indel marker, and belongs to the technical field of plant molecular genetics and crop molecular design breeding. The Indel marker is located on a gdh2 gene of a chromosome 10 of a corn genome, and insertion or deletion of a nucleotide sequence as shown in SEQ ID NO.5 occurs in an intron region between a second exon and a third exon. By applying the molecular marker-assisted selection technology, high-protein new germplasms S3317 (the crude protein content is 17.0%) and JS231148 (the crude protein content is 15.6%) have been successfully cultivated, the increase amplitudes of the high-protein new germplasms and JS231148 are both more than 15% compared with those of the conventional control, and the lysine content reaches 0.41% and reaches the national high-quality protein corn standard.

The invention discloses a mechanism and data fusion driven wheat and corn harvesting and threshing grain damage rate evolution prediction method. The method comprises the following steps: 1, acquiring response data of wheat or corn grain damage rate along with time change under different threshing working conditions based on a bench test; 2, on the basis of a discrete element simulation analysis result, constructing a wheat and corn threshing grain damage rate physical model to obtain response data of the grain damage rate changing along with time under different threshing working conditions; 3, constructing a wheat corn harvesting and threshing grain damage rate prediction model training data set; 4, establishing a wheat corn harvesting and threshing grain damage rate evolution prediction network model driven by mechanism and data fusion; 5, a loss function of the prediction model is established and trained, and an optimal grain damage rate evolution prediction model is obtained and used for predicting the grain damage rate of wheat and corn harvesting and threshing. According to the method, the evolution trend of the grain damage rate in the wheat and corn harvesting and threshing process can be accurately obtained in advance, and a basis is provided for wheat or corn harvesting and threshing self-adaptive damage suppression regulation and control.

The invention relates to the field of agricultural engineering, in particular to corn kernel integrity detection equipment, and provides the following scheme aiming at the problems that corn kernel detection equipment in the prior art is difficult to flatly lay and insufficient in adhesion segmentation precision. The device comprises a detection disc, a fixing ring arranged on the outer circle of the detection disc, a top shooting assembly installed on the top of the fixing ring and a side shooting assembly installed on the inner circle of the fixing ring, a discharging port is formed in the fixing ring, a supporting shaft is rotationally connected to the bottom face of the detection disc, and a fixing column coaxial with the detection disc is fixed to the top face of the detection disc. The part, located between the fixing column and the inner ring of the fixing ring, of the top face of the detection disc forms a corn kernel laying space. According to the corn kernel detection device, corn kernels can be conveniently and automatically spread in the detection process, and the corn kernels can be conveniently and automatically cleaned out from the detection disc after detection is completed, so that the purpose of long-time large-batch continuous detection can be achieved.

A self-aligning power-assisted corn kernel cutting apparatus is provided. The apparatus includes a cylindrical shell ported housing coupled to an actuation mechanism at a first end and an annular cutting mechanism at a second end. The actuation mechanism includes a power-assisted piston rod coupled to self-aligning plunger via a spring and an inner plunger disposed within the self-aligning plunger. In operation a user places an ear of corn within the ported housing wherein self-aligning plunger is force down upon the ear causing the ear to align properly. Power assistance is provided to the actuation mechanism which forces the ear over the annular cutting mechanism ejecting kernels through at least one port into an optional toroidal bowl. Once actuation mechanism bottoms out inner plunger forces the cob through an ejection tube.

The invention provides an intelligent drying and dewatering method and device for corn kernels, and the method comprises the steps: dynamically constructing a sparse causal graph based on a heat and mass transfer mechanism of a corn drying process, embedding a real-time working condition parameter adaptive adjustment structure, and combining a graph neural network driven by a physical mechanism and a Transformer student model, thereby achieving the intelligent drying and dewatering of the corn kernels. The learning ability of the student model for the physical causal features and decision paths is optimized through hierarchical knowledge distillation; a dynamic rarefaction and Gumbel-Softmax sampling mechanism is introduced, so that the efficiency and flexibility of causal structure modeling of the knowledge graph are improved; finally, in combination with attention distribution and thermodynamic laws of dominant decision paths, physical semantic interpretability control parameter recommendation and visual reporting are realized, and model prediction accuracy, reasoning efficiency and decision credibility are effectively enhanced.

The invention relates to a near infrared spectrum sorting device and method for corn kernels. According to the technical scheme, a corn kernel picking and sampling module is used for separating and transferring single corn seeds from a kernel group; the corn kernel rotary conveying module is used for bearing and conveying a single corn seed to the near infrared spectrum identification module for identification; the near-infrared spectrum identification module is arranged on a conveying path of the corn kernel rotary conveying module and is used for carrying out near-infrared spectrum acquisition and identification on the single seed conveyed to a detection station of the near-infrared spectrum identification module; and the corn kernel blowing and sorting module is arranged on a conveying path of the corn kernel rotary conveying module, is positioned at the next station of the near infrared spectrum identification module, and is used for sorting the single seeds into different sorting hoppers according to an identification result. The device has the beneficial effects that the structure is compact, the rhythm is stable, the design of the trilobal turntable is ingenious, single-particle sample injection, accurate positioning and conveying, spectrum identification and physical separation can be seamlessly integrated, and the separation efficiency is greatly improved.

The invention relates to the technical field of corn harvesting, and discloses corn harvesting and threshing intelligent integrated equipment which comprises a harvester, a processing bin is arranged on the harvester, and a discharging pipe is arranged on the harvester. Reciprocating motion of the position of the discharge pipe can be achieved, the hopper of the whole transport vehicle can be evenly and fully paved finally, the utilization rate of the space of the hopper is greatly increased, when the width of the hopper of the transport vehicle is small, the stroke of the air cylinder can be controlled through the control assembly to be automatically adjusted according to the width of the hopper of the transport vehicle, and the working efficiency is improved. By means of the control assembly, the discharging pipe can make horizontal reciprocating motion above the vehicle hopper all the time, the discharging pipe is prevented from moving out of the vehicle hopper, corn kernels are prevented from being scattered out of the vehicle hopper, the deflection condition of the vehicle hopper can be monitored, a worker can be reminded to adjust the position of the vehicle hopper in time when the vehicle hopper deflects, a first vertical plate in the control assembly can be protected, and the working efficiency is improved. And the first vertical plate is prevented from being broken off by the inclined car hopper.

The application discloses application of a corn gene in improving corn kernel protein content, and relates to the technical field of biology. ZmAAP16 A new gene capable of improving corn kernel content is mined by the application. ZmAAP16 Through transgenic method, function of the gene is analyzed and identified in depth, it is found that the gene can significantly improve the corn kernel protein content by overexpression in plants, and the role of the gene in improving the corn kernel protein content is determined. The application has important significance for cultivation of high-protein ensiled corn.

The utility model provides a discharging auger mechanism with a corn bran rubbing function and a corn husker. A auger shaft roller of the discharging auger mechanism is provided with a hinge pin and a spiral winch, the materials can be preliminarily treated and pushed, and a kneading movable cutter and a kneading fixed cutter at the discharging end are matched to conduct secondary fine crushing on corn husks which are preliminarily refined. The corn husker comprises a flexible roller shaft and a husking spiral roller shaft, the husking spiral roller shaft is provided with a rubber belt, a rubber nail, metal twisting teeth and other structures, the rubber nail has a special fixing mode to prolong the service life, and the metal twisting teeth facilitate husking. The equipment integrates the functions of corn husking and rubbing the husks into a whole, the auger mechanism efficiently conveys and refines the corn husks, the knife tackle structure enables the corn husks to be filamentous, the metal twisting teeth assist in husking, the rubber part improves the husking efficiency and protects corn grains, the efficiency and quality of corn processing are integrally improved, and the service life of the equipment is prolonged.

The present application relates to the technical field of corn breeding, and particularly relates to a high-efficiency composite corn breeding device, which comprises a fixed frame and a lifting frame, a discharging box for placing corn is movably installed on the lifting frame, a discharging plate is arranged at the bottom of the discharging box, a plurality of discharging grooves are formed in the bottom of the discharging box, a discharging hopper which is communicated with the corresponding discharging groove is fixedly connected to the bottom of the discharging box, a inverted U-shaped lower hopper is fixedly connected to the bottom of the discharging hopper, and a discharging flap which is slidably connected with the corresponding discharging hopper is fixedly connected to the discharging plate; the discharging hopper and the discharging flap cooperate to form a V-shaped groove structure which is matched with the shape of the corn kernels, and the V-shaped groove structure is matched with the oscillation of the discharging box, so that the uniform downward directional sowing of the embryo root tips of the corn kernels is realized, the posture of the seeds into the soil is consistent, the seedlings are neat and uniform, and the risk of lodging is reduced; meanwhile, the pushing plate and the spreading plate are linked to quickly spread the corn kernels and improve the arrangement efficiency, and the excess corn kernels are collected and blocked to avoid mixed sowing, missed sowing and seed waste during discharging.

The invention belongs to the technical field of food processing, and particularly relates to novel corn beans and a preparation method thereof.The preparation method comprises the steps of preparation of raw material corn kernels and preparation of the corn beans, and the preparation of the raw material corn kernels comprises the steps of ear harvesting, peeling and dicing, curing, fixation and dehydration; the preparation method of the corn beans comprises the steps of puffing, polishing, screening, winnowing, powder and sugar coating, drying, packaging and delivery. According to the method, the corn kernels which are not ripe are taken as raw materials, are harvested and then are immediately ripened, and are subjected to fixation to lock freshness, so that the delicate flavor and sweetness of the corn in the fresh eating period are partially reserved, the contents of nutrient substances such as protein and amino acid are higher than those of old-fashioned corn beans and corn flowers, and the appearance is good and the taste is crisp.

The present application relates to the field of corn food processing equipment, in particular to a kind of fresh corn kernel threshing device and its using method, including feed cylinder and mounting bracket, the feed cylinder coaxially fixed in the outer side of the mounting bracket end face, rotating ring is rotationally arranged in the middle of the mounting bracket, multiple groups of tool holders are arranged around the inside of the rotating ring, and multiple groups of holding frames are arranged in the middle of the rotating ring corresponding to the tool holder, and the rotating ring outside is provided with synchronous disc for supporting the holding frame;The outer circumference of the rotating ring is provided with annular mounting groove matched with the mounting bracket, and multiple groups of holding grooves for accommodating the holding frame are vertically penetrated in the middle of the rotating ring. Advantageous effects are that: the present application can adjust the inner diameter of annular cutter formed by multiple groups of tool holders in real time according to the diameter of different corn cobs, and then realize corresponding cutting and threshing of tender corn cobs, without manual sorting for size classification of corn cobs, more convenient to use, and corn kernel is more thoroughly separated, and the effect is better.

The invention relates to the technical field of corn harvesters, and discloses a corn harvester with a low-loss threshing structure.The corn harvester comprises a machine body, a threshing shell is installed on one side of the top of the machine body, a threshing mechanism is arranged in the threshing shell, and the threshing mechanism comprises a corn kernel bin; the outer wall of the corn kernel bin is fixedly connected to the inner wall of the threshing shell, a material bin is arranged in the corn kernel bin, a fixing block is installed on the inner wall of the bottom of the material bin, a fixing base is rotationally connected to the top end of the fixing block, and a cylinder is fixedly connected to the top of the fixing base; the inner wall of the bottom of the threshing shell is fixedly connected with a supporting frame. According to the corn thresher, the hammer head rotating at a high speed is adopted, and an air blowing mechanism and a vibration mechanism in the auxiliary threshing assembly are combined, so that the flowing speed of corn in the barrel is effectively increased, the staying time of the corn in the barrel is shortened, the breakage rate of corn kernels is reduced, and the commodity quality and the subsequent processing and utilization value of the corn kernels are effectively improved.

This invention discloses a method for detecting corn kernel breakage rate by incorporating an attention mechanism. This method further improves the lightweight one-stage object detection network YOLOv4-tiny by introducing a coordinate attention mechanism into the feature pyramid network to enhance the model's ability to detect dense corn kernels. Furthermore, an online mosaic data augmentation method is used during the model training phase to improve the model's ability to detect smaller-scale broken kernels. The method disclosed in this invention is easier to deploy on embedded platforms due to its low parameter size, and it has a high response speed while maintaining accuracy. It can efficiently detect the degree of corn kernel breakage and thus obtain the corn kernel breakage rate in real time.

This invention relates to the field of biotechnology, specifically to the application of the ZmSKI3 and ZmSKI2 genes in regulating maize kernel development. This invention is the first to identify the ZmSKI3 and ZmSKI2 genes in maize and confirms that both genes control maize kernel development. Specifically, inhibiting the expression of ZmSKI3 and ZmSKI2 genes can delay maize kernel development. Therefore, this invention provides two key regulatory factors affecting maize kernel development, offering important molecular targets for improving maize kernel yield. Furthermore, this invention provides a novel gene resource for regulating maize kernel development; future manipulation of these genes can yield new germplasm with improved kernel development, enabling widespread application in production.

The application discloses a corn kernel size related protein SSRP1 and application thereof. The technical problem solved is how to regulate the size of corn kernels. Specifically disclosed is the application of a protein, a substance for regulating the expression of a coding gene of the protein, or a substance for regulating the activity or content of the protein in regulating the size of plant kernels and / or preparing a product for regulating the size of plant kernels and / or plant breeding and / or preparing a plant breeding product, the protein being a protein as shown in sequence 3 in the sequence listing. The application provides a new genetic resource for the study of the size of plant kernels, in particular corn kernels, and will play an important role in the application in the field of corn seed production and breeding.

The invention relates to the technical field of beverage preparation, in particular to a processing method of a functional beverage containing embryo elements, which comprises the following steps: separating corn germs from corn kernels, drying the corn germs, and performing microwave treatment at preset microwave power to obtain inactivated corn germs; when it is judged that preparation of the inactivated corn germs does not meet a preset standard according to the oxidation risk characterization value, preset microwave power is increased or the inactivated corn germs are abandoned; the method comprises the following steps: crushing and breaking walls of inactivated corn germs meeting preset standards to obtain germ powder, and performing enzymolysis treatment on the germ powder to obtain a corn embryo base solution; when it is judged that the preparation of the embryo base solution does not conform to a preset standard according to the curve goodness of fit, the reason that the preparation of the embryo base solution does not conform to the preset standard is determined according to the absorbance; and diluting, homogenizing and sterilizing the corn embryo base solution to prepare the functional beverage containing the embryo. The processing efficiency of the functional beverage is improved.

The invention discloses a corn seed variety identification and contour segmentation method and device based on deep learning, and relates to the technical field of corn seed category identification. The problems that in the prior art, a trained corn variety recognition model is difficult to achieve integrated detection of variety recognition and seed segmentation, tiny differences between similar varieties and morphological changes between seeds of the same variety in a natural placement state are difficult to effectively process, the model parameter quantity is large, and the calculation cost is high are solved. The method comprises the steps that a training data set is constructed, each corn seed image comprises a plurality of corn seeds, an improved YOLOv11 model is constructed, on the basis of the YOLOv11 model, a backbone network is replaced with a ConvNeXt V2 network to optimize feature extraction efficiency and network weight reduction, an image-level variety classification head is newly added, a loss function adopts a double-task collaborative loss function, and the number of the corn seed images is smaller than the number of the corn seed images. Parallel output of image-level variety classification and seed contour segmentation is realized, and an improved YOLOv11 model is trained and applied.

The utility model discloses a niblet airing device, including frame body, shaking frame, airing net and shaking mechanism, shaking frame is provided in the frame body, the airing net is rotatingly provided between the left wall and right wall of shaking frame and extends to its front side, shaking mechanism is provided in the frame body, the shaking mechanism is provided in the frame body, and the shaking frame is provided in the frame body. The vibrating device comprises a vibrating frame, two linear sliding tables, a feeding hopper and a fixing rod, and the vibrating frame is driven to continuously vibrate up and down. According to the corn drying device, the drying net is rotationally arranged in the shaking frame, the fixing rod is used for pulling the drying net and then fixing the drying net, the inclination angle of the drying net can be changed, the linear sliding table is used for driving the feeding hopper to move front and back, a small amount of corn kernels are scattered on the drying net through the material distributing assembly during moving, and then the drying net is shaken through the shaking mechanism; when the airing net is horizontally placed, the corn kernels are scattered on the airing net, the airing effect is improved, and when the airing net inclines downwards, the airing frame is shaken, so that the corn kernels fall down conveniently, and collection is convenient.

The invention belongs to the field of functional substance research, and particularly relates to a corn extract for promoting GLP-1 secretion and a preparation method and application thereof. The corn extract provided by the invention is a dry product obtained by soaking dry powder of fresh corn kernels in ethanol or an ethanol water solution at room temperature and then performing ultrasonic extraction; the fresh corn comprises yellow and sweet corn; the temperature of the ultrasonic extraction is 30-60 DEG C; the power of the ultrasonic extraction is 50 to 150W; the ultrasonic extraction time is 30 to 90 minutes. The preparation method of the corn extract provided by the invention is simple and easy to implement, and the production cost of functional components can be effectively reduced. The corn extract provided by the invention can effectively promote intestinal L cells to secrete GLP-1 in a healthy state and an insulin-resistant state, and synchronously improve the cell viability.

The invention discloses a method for preparing an organic fertilizer by using straws, which comprises the following steps: preparing materials: taking 50-100 parts by weight of straws, 20-30 parts by weight of animal waste, 10-30 parts by weight of high-sugar corn kernels, 20-30 parts by weight of mildewed sugarcane, 5-10 parts by weight of microbial inoculum and 20-60 parts by weight of water; and a crushing step: crushing the straws by using a crusher, and crushing the mildewed sugarcanes. The straw, the mildewed sugarcane and the high-sugar corn kernels are subjected to composting fermentation together, so that the mildewed sugarcane is reused, sugar in the sugarcane and the high-sugar corn kernels can provide rich nutrition for fermentation, the prepared organic fertilizer is high in fermentation speed and good in fermentation effect, and the animal waste is added, so that the organic fertilizer is environment-friendly. After the animal manure contains abundant organic matters and nitrogen elements and is mixed with the straws, the carbon-nitrogen ratio of the compost can be adjusted, the microbial activity is promoted, the fermentation process is accelerated, the composting period is shortened, and trace elements such as phosphorus and potassium are provided, so that the organic fertilizer is richer in nutrition.

The invention relates to a process for dehydrating whole kernels of Zea mays L. (maize), which comprises: providing clean, nixtamilised whole maize kernels; boiling the maize kernels in 4 parts water to 1 part maize kernels at 94ºC for 210-300 mins; rinsing the boiled maize kernels with clean water; freezing the boiled whole kernels at between -30 and -40ºC for 10-12 h; applying vacuum to the maize kernels, maintaining freezing at between -28 and -33ºC at a pressure below 80 Pa for 1-2 h; dehydrating the maize kernels, maintaining freezing at between -28 and -33ºC at a pressure of 23-26 Pa for 10-14 h; and continuing to dehydrate the maize kernels by increasing the temperature to 48-53ºC at 23-26 Pa for 2-4 h.

The invention discloses a corn ZmMORF3 gene, an excellent haplotype of the corn ZmMORF3 gene and application of the corn ZmMORF3 gene in grain development regulation and molecular breeding. A key gene ZmMORF3 which affects mitochondrial gene RNA editing is cloned by using a grain mutant m497 found in a corn field breeding line selection process, and the gene encodes MORF protein and regulates assembly and activity of a mitochondrial compound I, so that corn grain development is affected; the excellent allelic variation genotype of the ZmMORF3 gene in the aspect of the row grain number is further excavated, and the row grain number can be increased by utilizing the ZmMORF3 gene, so that the yield is increased. In addition, distribution and utilization potentials of different haplotypes in a selfing line are researched, and technical support and excellent germplasm resources are provided for utilization of the gene.

The utility model relates to the technical field of corn kernel processing, and discloses a corn kernel impurity removal device which comprises a bottom plate serving as a supporting main body, supporting legs are fixedly connected to the four corners of the top end of the bottom plate, telescopic rods are fixedly connected to the top ends of the supporting legs, an impurity removal box is fixedly connected to the top ends of the telescopic rods, and the bottom end of the impurity removal box is fixedly connected with a supporting rod. A supporting block is fixedly connected to the middle of the top end of the bottom plate, a motor is fixedly connected to the left end of the supporting block, the driving end of the motor penetrates through the supporting block and is fixedly connected with a rotating rod, an eccentric wheel is fixedly connected to the right end of the rotating rod, and a connecting plate is rotatably connected to the right end of the eccentric wheel. According to the utility model, the motor drives the rotating rod, the rotating rod drives the eccentric wheel, the eccentric wheel drives the connecting plate, the connecting plate drives the rotating plate, and the rotating plate drives the impurity removal box to shake up and down, so that the purity of corn kernels can be ensured, the taste, color and appearance of final products are improved, and foods are more attractive and accord with the expectation of consumers.

The present application relates to the technical field of corn breeding, in particular to a medium-high altitude corn shade-tolerant and disease-resistant nutrient variety breeding device and method, which comprises a material placing plate and a multispectral imaging module suspended above the material placing plate. The top surface of the material placing plate is provided with a plurality of material grooves in a dot matrix pattern for separately placing corn kernels. The multispectral imaging module is composed of a ring array of LED lamps, a visible light camera, a near-infrared sensor, and an ultraviolet excitation light source. The multispectral imaging module synchronously acquires RGB, NIR, and UV three-channel images of the kernels. Through the morphological analysis algorithm built in the image processing unit, the distribution coordinates of unqualified corn kernels are obtained. Then, the image processing unit activates the electromagnetic iron to make the connecting pipe, air hole, and air tube correspondingly communicate. At the same time, the air pump is started to supply air to each air tube, and then the identified corn kernels in the material grooves are blown out, thereby improving the accuracy and efficiency of screening shade-tolerant and disease-resistant nutrient variety kernels.

The invention discloses application of a transcription extension complex subunit ZmELP2 in regulation and control of corn grain development and plant height, and belongs to the technical field of plant genetic engineering and corn molecular breeding. The corn mutant smk251 with stable inheritance is obtained through EMS mutagenesis treatment, and compared with a wild type, the corn mutant smk251 has the advantages that the grain size is obviously reduced, and the plant height is reduced. The mutant provides a source for digging genes for regulating and controlling corn kernel and plant height. Based on a corn mutant smk251, a mutant gene ZmELP2 gene is further obtained through map-based cloning technology positioning, the function of the ZmELP2 gene is verified through overexpression and refilling tests, and it is determined that the mutant smk251 is really caused by ZmELP2 gene mutation. The ZmELP2 gene provided by the invention can be used for providing a new gene resource for cultivating high-yield corn varieties and lodging-resistant corn varieties, and has important production and application values.

The present application provides a kind of corn threshing screening device, it is related to corn threshing screening technical field, including: screening plate is obliquely arranged in the discharge port below corn thresher, screening plate is provided with through slot in the surface of being penetrated up and down, the inner diameter of through slot is less than the outer diameter of corn cob;First conveying mechanism is arranged below screening plate, and first conveying mechanism is used to convey corn kernel to screening mechanism.Collecting cylinder is linked with the lower end of screening plate, for collecting corn cob.Corn is separated into corn kernel and corn cob by corn thresher and discharged to screening plate by discharge port, due to the inclination of screening plate, corn kernel and corn cob will slide down, in the process, corn kernel falls into first conveying mechanism along through slot, corn cob continues to slide along screening plate until falling into collecting cylinder, realizes the effect of automatic separation of corn kernel and corn cob.Corn kernel is further removed by screening mechanism Moldy corn kernel, so as to realize the effect of automatic screening of corn kernel.

The invention relates to the field of corn food processing equipment, in particular to a fresh corn kernel threshing device and a using method thereof.The fresh corn kernel threshing device comprises a feeding cylinder and a mounting frame, the feeding cylinder is coaxially fixed to the outer side of the end face of the mounting frame, a rotating ring is rotationally arranged in the middle of the mounting frame, and multiple sets of tool rests are arranged in the rotating ring in a surrounding mode; the middle part of the rotating ring is provided with a plurality of groups of retainers corresponding to the knife rest, and the outer side of the rotating ring is provided with a synchronous disc for fixedly supporting the retainers; an annular mounting groove matched with the mounting frame is formed in the outer circumference of the rotating ring; and a plurality of groups of retaining grooves for accommodating the retainers transversely penetrate through the middle part of the rotating ring. The corn thresher has the beneficial effects that the inner diameter of an annular cutter composed of multiple sets of cutter rests can be adjusted in real time according to the diameters of different corn cobs, then corresponding cutting and threshing of the tender corn cobs are achieved, manual sorting is not needed for size grading of the corn cobs, use is more convenient, corn kernels are more thoroughly threshed, and the effect is better.