Implementing innovation and entrepreneurship education by combining with professional education in universities and colleges is an important measure to promote higher-quality employment and entrepreneurship of the gra...Implementing innovation and entrepreneurship education by combining with professional education in universities and colleges is an important measure to promote higher-quality employment and entrepreneurship of the graduates. The problems existing in the fusing teaching of computer application technology and innovation and entrepreneurship education are analyzed in this paper. By taking Hunan Applied Technology University as an example and in view of the existing problems, the mode of reform driven by "four wheels","professional talent training scheme by integrating optimization, innovation and entrepreneurship","implementing the specific teaching by integrating imovation,entrepreneurship and professional education","building many forms and university-enterprise cooperation platforms for innovation and entrepreneurship" and "setting up reasonable management and incentive mechanism for teachers and students" are proposed, to realize the dynamic integration of professional education and innovation and entrepreneurship education for the specialty of computer application technology.展开更多
With the advancement of modern technology and the continuous development of science,research into flapping wing aircraft is becoming increasingly sophisticated.Addressing issues such as the large wingspan and heavy ma...With the advancement of modern technology and the continuous development of science,research into flapping wing aircraft is becoming increasingly sophisticated.Addressing issues such as the large wingspan and heavy mass of existing bionic butterfly aircraft,this paper proposes the design of a lightweight lithium battery power supply,a chip integrated into a small circuit board,and a reference to the natural characteristics of butterfly wings.The wings are simulated using 0.125 mm polyethylene terephthalate(PET)film to replicate their movement.The driving structure employs a double motor and a four-bar mechanism to achieve natural and smooth wing vibrations.The control system features a lightweight motor,battery,and a high-performance low-power microcontroller for precise control.Using 3D printing technology,a lightweight design is realized,successfully simulating the structure and movement characteristics of a specific butterfly,demonstrating the principles of mechatronics.Furthermore,the design process incorporates multidisciplinary knowledge,and a workshop combining competitive discipline events with innovation and entrepreneurship has been established.This initiative fosters the deep integration of innovation and entrepreneurship education with professional training,effectively cultivating application-oriented technical talents.展开更多
Based on research into bionic butterflies for environmental detection and ecological management,a scheme was proposed to develop and manufacture a bionic aircraft with two wings inspired by specific butterfly species....Based on research into bionic butterflies for environmental detection and ecological management,a scheme was proposed to develop and manufacture a bionic aircraft with two wings inspired by specific butterfly species.A flapping-wing aircraft with a simple structure was designed,and its two-wing design was optimized.The research focused on several key areas:the design and optimization of the wings,the development of the transmission mechanism,hardware design and fabrication,and 3D printing for component manufacturing.This resulted in the bionic replication of the wing shape and structure of the Tiger Papilio butterfly.The final bionic butterfly features a wingspan of 29.5 cm and a total weight of 13.8 g.This project integrates mechatronic principles and provides a valuable reference for advancements in the field of bionic butterflies.Future research could explore the aerodynamic characteristics of wings and innovative design approaches in greater depth.展开更多
Face and politeness are very important parts in people’s daily communication.But people will violate the principle of politeness for protecting their own face.Therefore,they usually choose to use more humorous words ...Face and politeness are very important parts in people’s daily communication.But people will violate the principle of politeness for protecting their own face.Therefore,they usually choose to use more humorous words or jocular words to communicate in order to avoid direct contradictions.Starting from the face-threatening acts in the face theory and politeness principle,this paper briefly analyzes the face-threatening acts and its humorous usage in the TucaodahuiⅢ.展开更多
To solve the problems of microbial contamination and no rooting during the tissue culture of Huperzia serrata, wild seedlings of Huperzia serrata were cultured by indoor hydroponics or soil cultivation methods, then t...To solve the problems of microbial contamination and no rooting during the tissue culture of Huperzia serrata, wild seedlings of Huperzia serrata were cultured by indoor hydroponics or soil cultivation methods, then the stem tips were used in tissue culture. The above operation significantly reduced microbial contamination during tissue culture process. Different types and concentrations of hormones were added into the basic medium MS to screen the optimal formula for induced plantlet growth and rooting. It was found that 1/2MSCO was the best medium on which stem, leaves and roots of tissue culture plantlets of Huperzia serrata grew quickly. At the same time, sand planting was a convenient and effective approach for gemmae propagation of Huperzia serrata, the survival rate of seedlings germinated from gemmae was nearly 100%.展开更多
In natural water, the content of ammonia nitrogen is always kept at a low level. However, the ammonia nitrogen content in water will be elevated or even excessive when the density of aquaculture is too large or exogen...In natural water, the content of ammonia nitrogen is always kept at a low level. However, the ammonia nitrogen content in water will be elevated or even excessive when the density of aquaculture is too large or exogenous ammonia are discharged into the water, causing a series of ad-verse effects on fish survival. Within a certain range, fishes reduce ammonia production in vivo by converting ammonia into glutamine and urea, and increase NH3 volatilization and NH4+emissions to ease ammonia toxicity, but the ability to alleviate ammonia poisoning vary with fish species and size. The ammonia nitrogen sources, existence form, factors affecting toxicity, toxic mechanism and detoxification strategy of fish are reviewed, in or-der to provide reference for improving the ability of fish to alleviate ammonia nitrogen toxicity and healthy farming.展开更多
At present,segmentation for medical image is mainly based on fully supervised model training,which consumes a lot of time and labor for dataset labeling.To address this issue,we propose a semi-supervised medical image...At present,segmentation for medical image is mainly based on fully supervised model training,which consumes a lot of time and labor for dataset labeling.To address this issue,we propose a semi-supervised medical image segmentation model based on a generative adversarial network framework for automated segmentation of arteries.The network is mainly composed of two parts:a segmentation network for medical image segmentation and a discriminant network for evaluating segmentation results.In the initial stage of network training,a fully supervised training method is adopted to make the segmentation network and the discrimination network have certain segmentation and discrimination capabilities.Then a semi-supervised method is adopted to train the model,in which the discriminant network will generate pseudo-labels on the results of the segmentation for semi-supervised training of the segmentation network.The proposed method can use a small part of annotated dataset to realize the segmentation of medical images and effectively solve the problem of insufficient medical image annotation data.展开更多
文摘Implementing innovation and entrepreneurship education by combining with professional education in universities and colleges is an important measure to promote higher-quality employment and entrepreneurship of the graduates. The problems existing in the fusing teaching of computer application technology and innovation and entrepreneurship education are analyzed in this paper. By taking Hunan Applied Technology University as an example and in view of the existing problems, the mode of reform driven by "four wheels","professional talent training scheme by integrating optimization, innovation and entrepreneurship","implementing the specific teaching by integrating imovation,entrepreneurship and professional education","building many forms and university-enterprise cooperation platforms for innovation and entrepreneurship" and "setting up reasonable management and incentive mechanism for teachers and students" are proposed, to realize the dynamic integration of professional education and innovation and entrepreneurship education for the specialty of computer application technology.
基金Innovation and Entrepreneurship Training Project for College Students in Hunan Province in 2024:Design of Small Bionic Butterfly Machine Under the Background of Innovation and Integration(Project No.S202413809022)2023 Innovation and Entrepreneurship Training Project of Hunan College Students:Tiger Butterfly—Bionic Manufacturing and Morphology Research(Project No.S202313809022)。
文摘With the advancement of modern technology and the continuous development of science,research into flapping wing aircraft is becoming increasingly sophisticated.Addressing issues such as the large wingspan and heavy mass of existing bionic butterfly aircraft,this paper proposes the design of a lightweight lithium battery power supply,a chip integrated into a small circuit board,and a reference to the natural characteristics of butterfly wings.The wings are simulated using 0.125 mm polyethylene terephthalate(PET)film to replicate their movement.The driving structure employs a double motor and a four-bar mechanism to achieve natural and smooth wing vibrations.The control system features a lightweight motor,battery,and a high-performance low-power microcontroller for precise control.Using 3D printing technology,a lightweight design is realized,successfully simulating the structure and movement characteristics of a specific butterfly,demonstrating the principles of mechatronics.Furthermore,the design process incorporates multidisciplinary knowledge,and a workshop combining competitive discipline events with innovation and entrepreneurship has been established.This initiative fosters the deep integration of innovation and entrepreneurship education with professional training,effectively cultivating application-oriented technical talents.
基金2023 Innovation and Entrepreneurship Training Project of Hunan College Students:Tiger Butterfly—Bionic Manufacturing and Morphology Research(Project No.S202313809022)Key Project of Education Reform of Hunan Provincial Department of Education:Research on Disciplinary Integration Education Model under Intelligence+Empowerment—A Case Study of Robotics and Logistics Management Majors(Project No.HNJG-20231561)。
文摘Based on research into bionic butterflies for environmental detection and ecological management,a scheme was proposed to develop and manufacture a bionic aircraft with two wings inspired by specific butterfly species.A flapping-wing aircraft with a simple structure was designed,and its two-wing design was optimized.The research focused on several key areas:the design and optimization of the wings,the development of the transmission mechanism,hardware design and fabrication,and 3D printing for component manufacturing.This resulted in the bionic replication of the wing shape and structure of the Tiger Papilio butterfly.The final bionic butterfly features a wingspan of 29.5 cm and a total weight of 13.8 g.This project integrates mechatronic principles and provides a valuable reference for advancements in the field of bionic butterflies.Future research could explore the aerodynamic characteristics of wings and innovative design approaches in greater depth.
文摘Face and politeness are very important parts in people’s daily communication.But people will violate the principle of politeness for protecting their own face.Therefore,they usually choose to use more humorous words or jocular words to communicate in order to avoid direct contradictions.Starting from the face-threatening acts in the face theory and politeness principle,this paper briefly analyzes the face-threatening acts and its humorous usage in the TucaodahuiⅢ.
文摘To solve the problems of microbial contamination and no rooting during the tissue culture of Huperzia serrata, wild seedlings of Huperzia serrata were cultured by indoor hydroponics or soil cultivation methods, then the stem tips were used in tissue culture. The above operation significantly reduced microbial contamination during tissue culture process. Different types and concentrations of hormones were added into the basic medium MS to screen the optimal formula for induced plantlet growth and rooting. It was found that 1/2MSCO was the best medium on which stem, leaves and roots of tissue culture plantlets of Huperzia serrata grew quickly. At the same time, sand planting was a convenient and effective approach for gemmae propagation of Huperzia serrata, the survival rate of seedlings germinated from gemmae was nearly 100%.
基金Supported by Research Learning and Innovative Experimental Projects of College Students in Hunan Province(2018138090013)
文摘In natural water, the content of ammonia nitrogen is always kept at a low level. However, the ammonia nitrogen content in water will be elevated or even excessive when the density of aquaculture is too large or exogenous ammonia are discharged into the water, causing a series of ad-verse effects on fish survival. Within a certain range, fishes reduce ammonia production in vivo by converting ammonia into glutamine and urea, and increase NH3 volatilization and NH4+emissions to ease ammonia toxicity, but the ability to alleviate ammonia poisoning vary with fish species and size. The ammonia nitrogen sources, existence form, factors affecting toxicity, toxic mechanism and detoxification strategy of fish are reviewed, in or-der to provide reference for improving the ability of fish to alleviate ammonia nitrogen toxicity and healthy farming.
基金supported in part by the National Natural Science Foundation of China (No.62002392)in part by the Key Research and Development Plan of Hunan Province (No.2019SK2022)+1 种基金in part by the Natural Science Foundation of Hunan Province (No.2020JJ4140 and 2020JJ4141)in part by the Postgraduate Excellent teaching team Project of Hunan Province[Grant[2019]370–133]。
文摘At present,segmentation for medical image is mainly based on fully supervised model training,which consumes a lot of time and labor for dataset labeling.To address this issue,we propose a semi-supervised medical image segmentation model based on a generative adversarial network framework for automated segmentation of arteries.The network is mainly composed of two parts:a segmentation network for medical image segmentation and a discriminant network for evaluating segmentation results.In the initial stage of network training,a fully supervised training method is adopted to make the segmentation network and the discrimination network have certain segmentation and discrimination capabilities.Then a semi-supervised method is adopted to train the model,in which the discriminant network will generate pseudo-labels on the results of the segmentation for semi-supervised training of the segmentation network.The proposed method can use a small part of annotated dataset to realize the segmentation of medical images and effectively solve the problem of insufficient medical image annotation data.
