Patents Assigned to South China Agricultural University
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Publication number: 20250031591Abstract: A new and distinct cultivar of Nelumbo plant named ‘SCAU STAR’ is disclosed, characterized by double flowers having red petals and yellow centers. Petals have a visible vein pattern. The new variety is useful as both an ornamental plant and for cut flower production.Type: ApplicationFiled: July 19, 2023Publication date: January 23, 2025Applicants: Huapin(Hainan) Agricultural Sci-Tech Co., Ltd., South China Agricultural UniversityInventors: Shunjun Yu, Ruobang Cen, Meifen Li, Qi Pan
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Patent number: 12091482Abstract: The present invention relates to a photo-induced cationic polymerized pure vegetable oil-based polymer and a preparation method and use thereof. The preparation method comprises the following steps: mixing a dry oil, an epoxy vegetable oil and an initiator uniformly, irradiating to initiate a photo-curing reaction, and then placing at ambient temperature, and continuing to a heat-curing reaction so as to obtain a photo-induced cationic polymerized pure vegetable oil-based polymer. In the present invention, vegetable oil resources which are low in price, widespread, and easy to regenerate are used to prepare the pure vegetable oil-based polymers instead of the fossil-derived monomers completely, thereby achieving the efficient use of vegetable oils. In the present invention, an unconventional photo-induced heat frontal polymerization technology is used to prepare the pure vegetable oil-based polymer, thereby achieving a photo-thermal dual curing reaction of a vegetable oil system without heating.Type: GrantFiled: August 4, 2020Date of Patent: September 17, 2024Assignees: SOUTH CHINA AGRICULTURAL UNIVERSITY, GUANGDONG LANYANG TECHNOLOGY CO., LTD.Inventors: Teng Yuan, Jinqing Huang, Zhuohong Yang, Yaliang Xiao, Xiaoping Li
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Publication number: 20240287466Abstract: Disclosed are construction and application of a recombinant H5N8 subtype avian influenza virus carrying an mApple fluorescence reporter gene, and relates to the field of molecular biology and genetic engineering. The present disclosure provides a nucleic acid molecule which can be used for constructing the recombinant H5N8 subtype avian influenza virus. Compared with a wild H5N8 virus, the recombinant H5N8 subtype avian influenza virus has a weakened virulence, and can replicate in an SPF chicken lung and shows pathogenicity.Type: ApplicationFiled: July 18, 2023Publication date: August 29, 2024Applicant: South China Agricultural UniversityInventors: Manman DAI, Wei SONG, Xiyue CHEN, Ming LIAO
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Patent number: 12060208Abstract: The present invention discloses a gradient slow-release active composite film and a preparation method thereof. The active composite film, from inside to outside, is composed of an antioxidative hygroscopic internal layer, at least one gradient anti-microbial antioxidative intermediate layer and at least one waterproof external layer; wherein the antioxidative hygroscopic internal layer is prepared by an alcohol-soluble protein-water-soluble protein substrate and a water-soluble antioxidant; the gradient anti-microbial antioxidative intermediate layer is prepared by an alcohol-soluble protein-water-soluble protein substrate and a lipid-soluble plant essential oil and a water-soluble antioxidant, wherein a mass ratio of the alcohol-soluble protein to the water-soluble protein is (1-2):(1-2); and the waterproof external layer is composed of a hydrophobic alcohol-soluble protein layer.Type: GrantFiled: July 6, 2020Date of Patent: August 13, 2024Assignee: SOUTH CHINA AGRICULTURAL UNIVERSITYInventors: Jie Xiao, Xia Chen, Jiyang Cai, Hongsheng Liu, Wenbo Wang
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Patent number: 12031887Abstract: A field agricultural machinery test platform, comprising a field soil groove, traveling guide rails, traveling trolleys, a hitch trolley, a hitch device mechanism, and a test system. The two guide rails are provided on both sides of the field soil groove in parallel, and the traveling trolleys are located on the guide rails; a cross beam is provided between the two guide rails, and the two ends of the cross beam are respectively connected to the traveling trolleys; the hitch trolley is provided on the cross beam, and a hitch device is provided on the hitch trolley; the test system is provided on the hitch trolley and the hitch device; a test machine is connected to the hitch device; the test system comprises an image assembly, a force test assembly, and a control assembly which are mounted on the hitch trolley.Type: GrantFiled: November 7, 2019Date of Patent: July 9, 2024Assignee: South China Agricultural UniversityInventors: Zaiman Wang, Minghua Zhang, Xiwen Luo, Peng Xu, Ying Zang, Wenwu Yang, Shuncai Liu, Miao Su, Juan Pei, Siyu He, Yangqing Ye
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Publication number: 20240182929Abstract: The present invention belongs to the field of biomass, and provides a method of ethanol fermentation with cellulose at high-solids loading. The method includes: mixing lignocellulose A treated with NaOH-enhanced ethanol solution and lignocellulose B treated with AlCl3-enhanced ethanol solution, adding water, and mixing to obtain a mixed cellulose solution; then adding a nutrient salt, sterilizing, saccharifying and fermenting, and supplementing mixed cellulose in the fermentation process; and after the completion of material supplementation, mixing the mixed cellulose and water according to a mass ratio of (30-45):100.Type: ApplicationFiled: December 5, 2023Publication date: June 6, 2024Applicant: SOUTH CHINA AGRICULTURAL UNIVERSITYInventors: Hongdan ZHANG, Xinwen ZHANG
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Patent number: 11980191Abstract: The present disclosure relates to the technical field of agricultural microorganisms and crop cultivation and more specifically relates to a compound mycorrhizal fungus growth promoting agent and an agricultural-photovoltaic complementary planting method for Dioscorea composita. The compound mycorrhizal fungus growth promoting agent for Dioscorea composita includes Glomus mosseae, Streptomyces chartreusis and plant growth promoting rhizobacteria, and can greatly improve photosynthesis of Dioscorea composita under a photovoltaic panel and promote growth and development of Dioscorea composita. The compound mycorrhizal fungus growth promoting agent is used, an unoccupied land under a solar photovoltaic panel is utilized, and a high-ridge close planting method is used to combine a solar photovoltaic industry and Dioscorea composita planting. The whole planting process is easy to operate, the cost is low, and three-dimensional value-added utilization of land is achieved.Type: GrantFiled: March 14, 2023Date of Patent: May 14, 2024Assignee: SOUTH CHINA AGRICULTURAL UNIVERSITYInventors: Jun Xie, Chunmei Zhong, Hongdan Zhang, Shangjie Yu
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Patent number: 11971368Abstract: The present disclosure provides a determination method, an elimination method and an apparatus for an electron microscope aberration. The determination method comprises: training a neural network for image recognition using a plurality of electron microscope simulation images to obtain an electron microscope image recognition model; recognizing an electron microscope image of an experimental sample using the electron microscope image recognition model to obtain the electron microscope simulation image corresponding to the electron microscope image of the experimental sample; and obtaining the corresponding set aberration as an imaging aberration of the electron microscope image of the experimental sample according to the electron microscope simulation image corresponding to the electron microscope image of the experimental sample.Type: GrantFiled: May 26, 2021Date of Patent: April 30, 2024Assignee: SOUTH CHINA AGRICULTURAL UNIVERSITYInventors: Fang Lin, Qi Zhang, Chen Wang
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Patent number: 11939440Abstract: An alcohol soluble protein gas-liquid interface self-assembled porous membrane and a preparation method thereof are provided. The alcohol soluble protein gas-liquid interface self-assembled porous membrane is prepared from an alcohol soluble protein membrane storage solution by an anti-solvent method. The porous interface membrane is rapidly prepared by an alcohol soluble protein interface self-assembled one-step method and can be rapidly formed within 4 seconds, which greatly improves the preparation efficiency of the alcohol soluble protein membrane. The structure (size, pore diameter, micro porosity) of the alcohol soluble protein interface self-assembled porous membrane is precisely regulated and controlled by regulating and controlling process parameters, and a new preparation solution of an alcohol soluble protein base membrane, which is more efficient and has a modifiable structure compared with an alcohol soluble protein membrane prepared by a traditional solvent evaporation method, is developed.Type: GrantFiled: August 31, 2022Date of Patent: March 26, 2024Assignee: SOUTH CHINA AGRICULTURAL UNIVERSITYInventors: Jie Xiao, Wuhui Lu, Jiyang Cai
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Patent number: 11920176Abstract: Disclosed is a method for producing biogas from a waste liquid/residue after diosgenin extraction by aluminum chloride. Specifically, in a fermentation vessel, an anaerobic sludge and a waste residue from diosgenin extraction by aluminum chloride are added at a volatile solids ratio of (1-3):(1-2), or a seeding sludge and a diosgenin waste liquid are added with an organic loading having a VS:COD ratio of (1-2):(1-2); and then the above components are fermented at 35-37° C. for 5-25 d such that biogas is produced. According to the method of the present invention, the maximum cumulative biogas production rates are 255.4 mL/g VS for waste residue and 326.9 mL/g COD for waste liquid, and throughout the fermentation period, ammoniacal nitrogen values are below 1500 mg/L and pH variation is within the normal range, and the COD removal rate for the fermentation broth is 91.11%.Type: GrantFiled: November 27, 2020Date of Patent: March 5, 2024Assignee: SOUTH CHINA AGRICULTURAL UNIVERSITYInventors: Jun Xie, Guican Bi, Hongdan Zhang
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Patent number: 11879131Abstract: A use of a ZmSBP12 gene in the regulation of drought resistance, plant height, and ear height of Zea mays L. is provided. After the ZmSBP12 gene is over-expressed in Zea mays L., the resulting Zea mays L. mutant plant exhibits increased drought resistance and decreased plant and ear heights. The overexpression of the ZmSBP12 gene leads to increased drought resistance and decreased plant and ear heights, indicating that the ZmSBP12 gene plays a crucial role in the drought resistance and plant type (plant height) of Zea mays L. The expression abundance of the ZmSBP12 gene is increased to improve the drought resistance of Zea mays L. and reduce the plant and ear heights of Zea mays L., which can be used for the assisted breeding of novel drought-resistant and lodging-resistant Zea mays L. varieties and the breeding of excellent inbred lines and hybrids of Zea mays L.Type: GrantFiled: October 21, 2020Date of Patent: January 23, 2024Assignees: SOUTH CHINA AGRICULTURAL UNIVERSITY, BIOTECHNOLOGY RESEARCH INSTITUTE, CHINESE ACADEMY OF AGRICULTURAL SCIENCESInventors: Haiyang Wang, Yurong Xie, Bingbing Zhao, Baobao Wang, Yongping Zhao, Dexin Kong, Quanquan Li, Yaoyao Li
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Patent number: 11865759Abstract: A wood-plastic/lumber composite co-extrusion feeder includes a frame, wherein at least one group of toothed conveying units, a tooth mark milling unit for milling tooth marks on an outer surface of a lumber, and a lumber co-extrusion mold are arranged on the frame in sequence, each toothed conveying unit includes a lower toothed pressure roller installed on a first fixed bearing seat and an upper toothed pressure roller installed on a first movable bearing seat, and after the first fixed bearing seat and the first movable bearing seat are connected by an adjustment unit, a first conveying channel having an adjustable height is formed between the upper toothed pressure roller and the lower-toothed pressure roller.Type: GrantFiled: December 27, 2019Date of Patent: January 9, 2024Assignee: SOUTH CHINA AGRICULTURAL UNIVERSITYInventors: Rongxian Ou, Qingwen Wang, Xin Yi, Wei Tang, Lichao Sun, Junjie Xu
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Patent number: 11817181Abstract: Embodiments of the present disclosure belongs to the technical field of animal feed and provides a method for rapidly evaluating metabolizable energy of goose diet by using a technique of simulative digestion gross energy. By using the technical means combining the biological method and the simulative digestion gross energy technique, metabolizable energy of goose feed can be evaluated quickly. Based on the “stomach-small intestine” two-step enzymatic methods, it is the first time to establish a regression equation between the metabolizable energy change and fiber level in the cecum to rectify the value of simulative digestion gross energy in the cecal microbial digestion phase, making the simulative digestion gross energy technique more reasonable in the assessment of metabolizable energy in geese. Results show that the use of simulative digestion gross energy technique to assess the metabolizable energy of goose feed value is highly feasible.Type: GrantFiled: June 1, 2021Date of Patent: November 14, 2023Assignee: South China Agricultural UniversityInventors: Wence Wang, Lin Yang, Jing Yang, Yongwen Zhu, Hui Ye, Yu Li, Heng Wang, Daiyang Xia, Jianying Chen, Weiqing Ma, Yang Fu, Shanshan Zhu
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Publication number: 20230337683Abstract: The present disclosure relates to the technical field of agricultural microorganisms and crop cultivation and more specifically relates to a compound mycorrhizal fungus growth promoting agent and an agricultural-photovoltaic complementary planting method for Dioscorea composita. The compound mycorrhizal fungus growth promoting agent for Dioscorea composita includes Glomus mosseae, Streptomyces chartreusi and plant growth promoting rhizobacteria, and can greatly improve photosynthesis of Dioscorea composita under a photovoltaic panel and promote growth and development of Dioscorea composita. The compound mycorrhizal fungus growth promoting agent is used, an unoccupied land under a solar photovoltaic panel is utilized, and a high-ridge close planting method is used to combine a solar photovoltaic industry and Dioscorea composita planting. The whole planting process is easy to operate, the cost is low, and three-dimensional value-added utilization of land is achieved.Type: ApplicationFiled: March 14, 2023Publication date: October 26, 2023Applicant: SOUTH CHINA AGRICULTURAL UNIVERSITYInventors: Jun XIE, Chunmei ZHONG, Hongdan ZHANG, Shangjie YU
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Publication number: 20230313319Abstract: Disclosed is a molecular marker for genetic resistance of chicken to infection by subgroups A and K avian leukosis virus (ALV-A and ALV-K) and use thereof the molecular marker is tva gene with base deletion between 318-323 and/or between 602-607; specifically, bases ACCTCC at positions 318-323 and bases CCGCTG at positions 602-607 are deleted. In the present disclosure, genetic variation of tva receptor gene in Chinese chicken breeds is analyzed, and it is found that the DNA sequence of tva receptor gene in the Chinese chicken breeds has base deletion at positions 318-323 or at positions 602-607. Moreover, a method for breeding of the chicken breeds resistance to ALV-A and ALV-K has been established.Type: ApplicationFiled: March 29, 2023Publication date: October 5, 2023Applicant: South China Agricultural UniversityInventors: Qingmei XIE, Weiguo CHEN, Wenxue LI, Yu NIE, Liqin LIAO, Xinheng ZHANG
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Publication number: 20230295386Abstract: An alcohol soluble protein gas-liquid interface self-assembled porous membrane and a preparation method thereof are provided. The alcohol soluble protein gas-liquid interface self-assembled porous membrane is prepared from an alcohol soluble protein membrane storage solution by an anti-solvent method. The porous interface membrane is rapidly prepared by an alcohol soluble protein interface self-assembled one-step method and can be rapidly formed within 4 seconds, which greatly improves the preparation efficiency of the alcohol soluble protein membrane. The structure (size, pore diameter, micro porosity) of the alcohol soluble protein interface self-assembled porous membrane is precisely regulated and controlled by regulating and controlling process parameters, and a new preparation solution of an alcohol soluble protein base membrane, which is more efficient and has a modifiable structure compared with an alcohol soluble protein membrane prepared by a traditional solvent evaporation method, is developed.Type: ApplicationFiled: August 31, 2022Publication date: September 21, 2023Applicant: SOUTH CHINA AGRICULTURAL UNIVERSITYInventors: Jie XIAO, Wuhui LU, Jiyang CAI
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Publication number: 20230281265Abstract: The present disclosure provides a method for estimating a body size and weight of a pig based on deep learning, and relates to the technical field of deep learning. The present disclosure predicts the weight of the pig by using a convolutional neural network. Relevant features are learned by the convolutional neural network, and feature engineering extraction is not needed to be established, so that extracted features are more comprehensive, and the convolutional neural network is superior to a linear model in processing of noisy data and nonlinear problems of data. Images of the pig are shot by an ordinary two-dimensional (2d) color camera.Type: ApplicationFiled: December 30, 2021Publication date: September 7, 2023Applicant: SOUTH CHINA AGRICULTURAL UNIVERSITYInventors: Deqin XIAO, Junbin LIU, Youfu LIU, Qiumei YANG, Yigui HUANG, Wentao YANG, Shengqiu ZHAO, Zhiyi BIAN
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Patent number: 11732196Abstract: Provided is a method for upgrading pyrolysis oil through seawater electrochemical pretreatment of biomass and use thereof. The method includes: (1) crushing and sieving a biomass raw material to obtain a crushed biomass raw material, adding the crushed biomass raw material to a salt solution and mixing to be uniform to obtain a reactant mixture; performing an electrolytic reaction on the reactant mixture under conditions of stirring and an external voltage of 5-15 V for 2-8 hours to obtain a product mixture; after the electrolytic reaction, subjecting the product mixture to a suction filtration, collecting a filter cake, washing the filter cake and drying to obtain a pretreated biomass, and (2) subjecting the pretreated biomass obtained in step (1) to a pyrolysis reaction at a temperature of 400-600° C. for 30-90 minutes in a protective gas atmosphere, and collecting a pyrolysis oil by an organic solvent.Type: GrantFiled: June 28, 2022Date of Patent: August 22, 2023Assignee: SOUTH CHINA AGRICULTURAL UNIVERSITYInventors: Xiwei Xu, Haipeng Yu, Enchen Jiang, Fan Zhang, Linghao Li, Hong Wang, Yan Sun
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Publication number: 20230257784Abstract: Disclosed is a method for producing biogas from a waste liquid/residue after diosgenin extraction by aluminum chloride. Specifically, in a fermentation vessel, an anaerobic sludge and a waste residue from diosgenin extraction by aluminum chloride are added at a volatile solids ratio of (1-3):(1-2), or a seeding sludge and a diosgenin waste liquid are added with an organic loading having a VS:COD ratio of (1-2):(1-2); and then the above components are fermented at 35-37° C. for 5-25 d such that biogas is produced. According to the method of the present invention, the maximum cumulative biogas production rates are 255.4 mL/g VS for waste residue and 326.9 mL/g COD for waste liquid, and throughout the fermentation period, ammoniacal nitrogen values are below 1500 mg/L and pH variation is within the normal range, and the COD removal rate for the fermentation broth is 91.11%.Type: ApplicationFiled: November 27, 2020Publication date: August 17, 2023Applicant: SOUTH CHINA AGRICULTURAL UNIVERSITYInventors: Jun XIE, Guican BI, Hongdan ZHANG
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Publication number: 20230147130Abstract: A method for counting suckling piglets based on self-attention spatiotemporal feature fusion is disclosed, which includes: detecting a side-lying sow in a video frame by using CenterNet to acquire a key frame of suckling piglets and a region of interest of the video frame, and overcome the interference of the movement of non-suckling piglets on the spatiotemporal feature extraction for the region of interest; transforming spatiotemporal features extracted by a spatiotemporal two-stream convolutional network from a key frame video clip into a spatiotemporal feature vector, inputting the obtained spatiotemporal feature vector into a temporal, a spatial and a fusion transformer to obtain a self-attention matrix; performing element-wise product for the self-attention matrix and the fused spatiotemporal features to obtain a self-attention spatiotemporal feature map; and inputting the self-attention spatiotemporal feature map into a regression branch of the number of suckling piglets to complete the counting of theType: ApplicationFiled: January 5, 2023Publication date: May 11, 2023Applicant: South China Agricultural UniversityInventors: Yueju XUE, Haiming GAN, Wenhao HOU, Chengguo XU