通讯机构：
[Xie, XX ] H;Hunan Agr Univ, Econ Coll, Changsha 410128, Peoples R China.
关键词：
Environmental regulation;Plastic pollution;High-standard mulch film;Use and recycling behavior
摘要：
The widespread use of ultra-thin mulch films has been considered the root cause of China's difficulties in recycling waste mulch films and their severe residue and pollution. Therefore, environmental regulation to guide farmers to use and recycle high-standard mulch has become a key measure to prevent and control mulch pollution at the source. In this paper, we review environmental regulation measures for mulch pollution and their implementation characteristics in the northwest dry farming restoration region as a case study, and explore their impact on the use and recycling of high-standard mulch. The results show that China's environmental regulations on mulch use and recycling can be classified into three types: guidance, incentives, and restrictions. However, the measures implemented so far primarily consist of guidance, while the restrictive and incentive regulations are inadequate. The percentage of farmers using and recycling high-standard mulch under environmental regulations is relatively high (88.18% and 79.83%, respectively), but there is still room for improvement. The study also reveals that while environmental regulations promote the use of high-standard plastic film and its recycling, not all measures are equally effective. Specifically, the implementation of measures such as benefits publicity, price subsidies, technical training, behavior supervision, and punishment mechanisms can be effective in improving farmers' adoption of high-standard plastic mulch; publicizing the hazards of mulch residue, training on recycling techniques, establishing recycling sites, regulating recycling practices, and penalizing violations can effectively help increase the recycling rate of used mulch film. Finally, this study provides a valuable reference for improving regulatory policies for mulch pollution control.
作者机构：
[Zhang, Donglin; Zhang, Yifan; Yu, Xiaoying; Li, Yanlin; Xiong, Xingyao; Liu, Yang; Li, YL] Hunan Agr Univ, Coll Hort, Hunan Midsubtrop Qual Plant Breeding & Utilizat En, Engn Res,Ctr Hort Crop Germplasm Creat & New Varie, Changsha 410128, Peoples R China.;[Lin, Ling] Hunan Agr Univ, Sch Econ, Changsha 410128, Peoples R China.;[Xiong, Xingyao] Chinese Acad Agr Sci, Agr Genom Inst Shenzhen, Shenzhen 518120, Peoples R China.;[Li, Yanlin; Xiong, Xingyao; Li, YL] Kunpeng Inst Modern Agr, Foshan 528225, Peoples R China.;[Zhang, Donglin] Univ Georgia, Dept Hort, Athens, GA 30602 USA.
通讯机构：
[Yu, XY; Li, YL ] H;Hunan Agr Univ, Coll Hort, Hunan Midsubtrop Qual Plant Breeding & Utilizat En, Engn Res,Ctr Hort Crop Germplasm Creat & New Varie, Changsha 410128, Peoples R China.;Kunpeng Inst Modern Agr, Foshan 528225, Peoples R China.;Nanyang Technol Univ, Sch Biol Sci, 60 Nanyang Dr, Singapore 637551, Singapore.
关键词：
Loropetalumchinense var. rubrum;WRKY;expression pattern;genome-wide analysis;light quality
摘要：
The WRKY gene family plays important roles in plant growth and development, as well as in the responses to biotic and abiotic stresses. Loropetalum chinense var. rubrum has high ornamental and medicinal value. However, few WRKY genes have been reported in this plant, and their functions remain unknown. To explore the roles that the WRKY genes play in L. chinense var. rubrum, we identified and characterized 79 LcWRKYs through BLAST homology analysis and renamed them (as LcWRKY1-79) based on their distribution on the chromosomes of L. chinense var. rubrum. In this way, according to their structural characteristics and phylogenetic analysis, they were divided into three groups containing 16 (Group I), 52 (Group II), and 11 (Group III) WRKYs, respectively. LcWRKYs in the same group have similar motifs and gene structures; for instance, Motifs 1, 2, 3, 4, and 10 constitute the WRKY domain and zinc-finger structure. The LcWRKY promoter region contains light response elements (ACE, G-box), stress response elements (TC-rich repeats), hormone response elements (TATC-box, TCA-element), and MYB binding sites (MBS, MBSI). Synteny analysis of LcWRKYs allowed us to establish orthologous relationships among the WRKY gene families of Arabidopsis thaliana, Oryza sativa, Solanum lycopersicum L., Vitis vinifera L., Oryza sativa L., and Zea mays L.; furthermore, analysis of the transcriptomes of mature leaves and flowers from different cultivars demonstrated the cultivar-specific LcWRKY gene expression. The expression levels of certain LcWRKY genes also presented responsive changes from young to mature leaves, based on an analysis of the transcriptome in leaves at different developmental stages. White light treatment led to a significant decrease in the expression of LcWRKY6, 18, 24, 34, 36, 44, 48, 61, 62, and 77 and a significant increase in the expression of LcWRKY41, blue light treatment led to a significant decrease in the expression of LcWRKY18, 34, 50, and 77 and a significant increase in the expression of LcWRKY36 and 48. These results enable a better understanding of LcWRKYs, facilitating the further exploration of their genetic functions and the molecular breeding of L. chinense var. rubrum.
通讯机构：
[Liu, MZY; Liu, H ] H;Hunan Agr Univ, Sch Econ, Changsha 410128, Peoples R China.
关键词：
climate change;carbon emissions during grain production;green technology progress;farmland scale;fertilizer use;multiple cropping index
摘要：
Abnormal climatic changes and related disasters are increasing in prevalence, with many negative impacts on ecosystems and agricultural production. The area of land in China is vast, including diverse terrain and climate types, and a substantial area is used to grow food crops. Therefore, climate change is having a huge impact on China's grain production. Currently, the relationship between climate change and carbon emissions during grain production and the underlying mechanism have not been fully clarified. Therefore, this study used an ordinary least squares regression (OLS) model and the system generalized method of moments (SYS-GMM) to examine the influence of climatic change and carbon emissions during grain production, and we constructed mediation effect models to explore the mechanism of influence between them by utilizing panel data in China from 2000 to 2020. In addition, we also examined the adjustment effect of green technology progress and farmland scale. The study found that China's carbon emissions during grain production increased from 2000 to 2015 and then presented a decreasing trend after 2015. We found that the annual average temperature has a prominent positive effect on carbon emissions during grain production, while the annual average rainfall has a negative effect. Among them, temperature changes mainly lead to the increase in carbon emissions during grain production through the increase in "fertilizer use" and "multiple cropping index", but the mechanism of rainfall changes' impact on carbon emissions during grain production is still unclear. In addition, green technology progress and farmland scale play adjustment roles in the impact of climate change on carbon emissions during grain production, and they could significantly suppress carbon emissions. On the basis of the conclusions in this paper, we propose that strengthening climate change adaptation is an important prerequisite for reducing carbon emissions during grain production. Furthermore, China should continue to reduce fertilizer use, facilitate the application of agriculture green technology, and expand the scale of farmland to achieve agricultural carbon emission reduction.
作者机构：
[Wang, Yaoyao; Kuang, Yuanpei] Hunan Agr Univ, Sch Econ, Changsha 410125, Peoples R China.;[Wang, Yaoyao] Cent South Univ Forestry & Technol, Bangor Coll, Changsha 410004, Peoples R China.
通讯机构：
[Yuanpei Kuang] S;School of Economics, Hunan Agriculture University, Changsha 410125, China<&wdkj&>Author to whom correspondence should be addressed.
关键词：
high-quality agricultural development;regional disparity;driving mechanism;spatio-temporal range improved entropy approach
摘要：
Based on China's new development philosophy and the connotation of high-quality agricultural development, this study constructed a six-dimensional comprehensive evaluation framework: innovation-effectiveness-sustainability-coordination-openness-sharing. The spatio-temporal-range-improved entropy approach and the Dagum Gini coefficient were applied to evaluate and analyze the level of regional disparities and the dynamic distribution characteristics of high-quality agricultural development in China in the period from 2010 to 2018. The result shows that the level of high-quality agricultural development in China has steadily improved in general, but there exist prominent structural problems. Concerning regional differences, it indicated a pattern dominated by the pattern of "high in the east and low in the west", mainly arising from the inter-regional disparity, with a gradual downward trend during the selected period. This study also comprehensively explored the four-dimensional driving mechanisms (production conditions, productivity, production relations, and production efficiency), and further examined the driving paths of various variables and regional heterogeneity using a panel Tobit model.
作者机构：
[Qu, Feng; Huang, Yuanyu; Zhao, Yi; Yang, Ge; Zhang, Xiaomin] Beijing Inst Technol, Adv Res Inst Multidisciplinary Sci, Sch Life Sci, Key Lab Mol Med & Biotherapy,Key Lab Med Mol Sci &, Beijing 100081, Peoples R China.;[Yang, Ge] Chinese Acad Med Sci & Peking Union Med Coll, CAMS Key Lab Antiviral Drug Res, Beijing Key Lab Antimicrobial Agents, Inst Med Biotechnol,NHC Key Lab Biotechnol Antibio, Beijing 100050, Peoples R China.;[Dai, Xuyan] Hunan Agr Univ, Econ Coll, Changsha 410128, Peoples R China.;[Liu, Wenjing] Capital Med Univ, Beijing Chest Hosp, Beijing TB & Thorac Tumor Res Inst, Beijing Key Lab Drug Resistance TB Res, Beijing 101125, Peoples R China.
通讯机构：
[Yuanyu Huang; Ge Yang] A;Authors to whom correspondence should be addressed.<&wdkj&>Key Laboratory of Molecular Medicine and Biotherapy, Key Laboratory of Medical Molecule Science and Pharmaceutics Engineering, School of Life Science, Advanced Research Institute of Multidisciplinary Science, Beijing Institute of Technology, Beijing 100081, China<&wdkj&>Authors to whom correspondence should be addressed.<&wdkj&>Key Laboratory of Molecular Medicine and Biotherapy, Key Laboratory of Medical Molecule Science and Pharmaceutics Engineering, School of Life Science, Advanced Research Institute of Multidisciplinary Science, Beijing Institute of Technology, Beijing 100081, China<&wdkj&>CAMS Key Laboratory of Antiviral Drug Research, Beijing Key Laboratory of Antimicrobial Agents, NHC Key Laboratory of Biotechnology of Antibiotics, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
摘要：
As a type II transmembrane serine protease, fibroblast activation protein (FAP) is specifically expressed on the surface of fibroblasts associated with a variety of epithelial-derived malignancies such as pancreatic cancer, breast cancer, and colon cancer. It participates in the processes of tumorigenesis, progression, and immunosuppression. FAP constitutes an important target for tumor treatment; however, the current studies on FAP are mainly related to structural characteristics, enzymatic properties, and biological functions, and aptamers of FAP have not been investigated. In this work, by using recombinant human FAP as the target, five candidate aptamers, which are AptFAP-A1, AptFAP-A2, AptFAP-A3, AptFAP-A4, and AptFAP-A5, were selected by capillary electrophoresis-systematic evolution of ligands by exponential enrichment (CE-SELEX), and their secondary structures were predicted to be mainly stem-loop. Moreover, the CE-laser-induced fluorescence (LIF) method was used to determine the equilibrium dissociation constant K-D values between the FAP protein and candidate aptamers, and the K-D value was in the low molar range. Finally, Cy5-labeled aptamers were co-incubated with human pancreatic cancer-associated fibroblasts highly expressing FAP protein, and confocal microscopy imaging showed that aptamer AptFAP-A4 had the highest affinities with the cells. The FAP aptamers screened in this study provide a promising direction for the development of rapid tumor diagnosis and targeted therapy.
摘要：
Given the background of the rural population ageing, the reduced agricultural non-point source pollution and the decreased agricultural carbon emission, ag- ricultural producer services, as an important bridge between small farmers and modern agriculture, are an important path to ensure food security and the green development of agriculture. Based on panel data of 31 provinces in China from 2003 to 2020, this paper uses Slack-based measure model with undesira- ble outputs (SBM-undesirable model)to calculate the agricultural ecological ef- ficiency of 31 provinces. Furthermore, the two-stage least squares, the panel threshold model and the spatial Durbin model are used to empirically analyze the influence mechanism and the spatial spillover effect of agricultural produc- tive services on agricultural ecological efficiency. The results show that agri- cultural producer services have a significant non-linear impact on agricultural ecological efficiency. Rural residents' income and per capita cultivated land ar- ea can adjust the relationship between them. The two main ways for agricultur- al productive services to improve agricultural ecological efficiency are as fol- lows: reducing undesirable outputs such as pesticides, chemical fertilizers and plastic sheeting for agricultural use and improving agricultural production effi- ciency. In addition, agricultural producer services have a significant positive spatial spillover effect on agricultural ecological efficiency, and the indirect impact elasticity of spatial spillover is higher than the direct impact elasticity. Therefore, to achieve food security and promote the sustainable development of agriculture, it is necessary to vigorously develop agricultural productive ser- vices through multiparty cooperation.
期刊：
International Journal of Electrical Engineering Education,2023年60(1_suppl):398 - 411 ISSN：0020-7209
通讯作者：
Luo Hehua
作者机构：
[Luo Hehua; Ning Yida] Hunan Agr Univ, Coll Econ, Changsha, Peoples R China.
通讯机构：
[Luo Hehua] C;College of Economics, Hunan Agricultural University, Changsha, China
关键词：
Small and medium-sized enterprise;credit risk;risk management;ICBC
摘要：
As the largest commercial bank in China, ICBC is a typical representative of the electronic business of SMEs. However, the electronic business for SMEs has credit risks and needs to continuously strengthen the credit risk management for SMEs. By analyzing the organization structure, system and process of credit risk management for SME in ICBC, this paper attempts to conclude that there are flaws on credit risk organization structure, credit risk management process and system is not sound enough, and there are omissions before, on and after the loan, in addition, risk management awareness is not strong. In view of the above problems, this paper puts forward some countermeasures and suggestions to improve the organization structure of credit risk management, perfect the credit risk management system of SME, strictly carry out risk control before, during and after loans, and strengthen the consciousness of risk management. Researching the credit risk management system for SMEs in ICBC has a great educational and practical significance, for other commercial banks establishing and improving their risk management system.
通讯机构：
[Hui Liu] S;School of Economics, Hunan Agricultural University, Changsha 410128, China<&wdkj&>Author to whom correspondence should be addressed.
关键词：
climate change;farm irrigation facilities;agriculture total factor productivity (TFP);technical advancement
摘要：
Due to the trend of global warming, individuals from all walks of life have paid close attention to how climate change affects food security. China is a sizable nation with a rich climate and a diverse range of food crops that are of interest to researchers. Additionally, there is little mention of agricultural technology and farm irrigation facilities in academic research on climate change and agricultural economic growth in China. As a result, this study uses the SBM model, panel fixed effect model, and SYS-GMM model to examine the development trend of climate change and food security based on the panel data of Chinese provinces from 2000 to 2020. The study found that China has maintained an average annual growth rate of 4.3% in agricultural total factor productivity (TFP) in recent years, despite the impact of extreme weather. The average annual precipitation has a depressing influence on the TFP in agriculture, while the average annual temperature has the opposite effect. The farm irrigation facilities and agricultural technology’s moderating impact is mostly shown in how well they attenuate the impact of climate change on the TFP in agriculture. Food crops have thereby improved their ability to survive natural risks and attain higher yields as a result of advancements in agricultural technology and increasing investment in contemporary farm irrigation facilities. The study’s conclusions are used in the article to make the suggestion that strengthening climate change adaptation is necessary to ensure food security. The strategic policy of “storing grain in technology and storing grain in the soil” and the advancement of contemporary agricultural technology must be put into reality while the management system for grain reserves is being improved.
作者机构：
[Mo, Qiong; Zhang, Damao; Yu, Xiaoying; Xiong, Xingyao; Li, Yanlin; Liu, Yang; Li, YL] Hunan Agr Univ, Coll Hort, Engn Res Ctr Hort Crop Germplasm Creat & New Varie, Hunan Midsubtrop Qual Plant Breeding & Utilizat En, Changsha 410128, Peoples R China.;[Lin, Ling] Hunan Agr Univ, Sch Econ, Changsha 410128, Peoples R China.;[Li, Weidong] Hunan Acad Agr Sci, Hunan Hort Res Inst, Hunan Key Lab Germplasm Innovat & Comprehens Utili, Changsha 410125, Peoples R China.;[Xiong, Xingyao; Li, Yanlin; Li, YL] Chinese Acad Agr Sci, Agr Genom Inst Shenzhen, Shenzhen 518120, Peoples R China.;[Xiong, Xingyao; Li, Yanlin; Li, YL] Kunpeng Inst Modern Agr, Foshan 528225, Peoples R China.
通讯机构：
[Yu, XY; Xiong, XY; Li, YL ] H;Hunan Agr Univ, Coll Hort, Engn Res Ctr Hort Crop Germplasm Creat & New Varie, Hunan Midsubtrop Qual Plant Breeding & Utilizat En, Changsha 410128, Peoples R China.;Chinese Acad Agr Sci, Agr Genom Inst Shenzhen, Shenzhen 518120, Peoples R China.;Kunpeng Inst Modern Agr, Foshan 528225, Peoples R China.;Nanyang Technol Univ, Sch Biol Sci, 60 Nanyang Dr, Singapore 637551, Singapore.
关键词：
L. chinense var. rubrum;bHLH transcription factor;expression analyses;anthocyanin
摘要：
The basic helix–loop–helix (bHLH) transcription factor family is the second-largest transcription factor family in plants. Members of this family are involved in the processes of growth and development, secondary metabolic biosynthesis, signal transduction, and plant resistance. Loropetalum chinense var. rubrum is a critical woody plant with higher ornamental and economic values, which has been used as ornamental architecture and traditional Chinese herbal medicine plants. However, the bHLH transcription factors in Loropetalum chinense var. rubrum (L. chinense var. rubrum) have not yet been systematically demonstrated, and their role in the biosynthesis of anthocyanin is still unclear. Here, we identified 165 potential LcbHLHs genes by using two methods, and they were unequally distributed on chromosomes 1 to 12 of the genome of L. chinense var. rubrum. Based on an evolutionary comparison with proteins from Arabidopsis and Oryza sativa, these bHLH proteins were categorized into 21 subfamilies. Most LcbHLHs in a particular subfamily had similar gene structures and conserved motifs. The Gene Ontology annotation and Cis-elements predicted that LcbHLHs had many molecular functions and were involved in processes of plant growth, including the biosynthesis of flavonoids and anthocyanins. Transcriptomic analysis revealed different expression patterns among different tissues and cultivars of L. chinense var. rubrum. Many LcbHLHs were expressed in the leaves, and only a few genes were highly expressed in the flowers. Six LcbHLHs candidate genes were identified by bioinformatics analysis and expression analysis. Further Real-time quantitative PCR analysis and protein interaction network analysis showed that LcbHLH156, which is one of the candidate proteins belonging to the IIIf subfamily, could interact with proteins related to anthocyanin synthesis. Therefore, LcbHLH156 was transiently expressed in L. chinense var. rubrum to verify its function in regulating anthocyanin synthesis. Compared with the control group, red pigment accumulation appeared at the wound after injection, and the total anthocyanin content increased at the wound of leaves. These results lay a foundation for the research of the regulation mechanism of leaf colors in L. chinense var. rubrum and also provide a basis for the function of the LcbHLH family.
通讯机构：
[Meseretchanie, A ] H;Hunan Univ Sci & Engn, Res Inst Rural Revitalizat, Yongzhou 425101, Peoples R China.
关键词：
collaborative governance;water resources;water conservancy facilities;socio-economic development
摘要：
The collaborative governance of subsystems within a river basin can play a critical role in addressing challenges, such as water scarcity, soil erosion, flooding, sedimentation, and water pollution, to achieve sustainable utilization of water resources. However, the current literature only focuses on isolated observations of these subsystems, leading to uncertainty and water resource destruction. This paper examines the evolution of the collaborative governance of water resources, water conservancy facilities, and socio-economic systems through self-organization theory in the Xiangjiang River Basin, China. The coupling theory and gray Grey Model (1,1) model were utilized with panel data from 2000 to 2019 to assess and predict the governance synergies of five subsystems: natural water, water conservancy facilities, water resource development and utilization, ecological environment, and socio-economic systems. There are 22 indicators contributing to these subsystems that were selected. The results indicate an S-shaped trend in collaborative governance for water resources, water conservancy facilities, and socio-economic systems. The elements of each subsystem exhibit both synergistic and competitive relationships. The unpredictable precipitation triggers a butterfly effect, changing systemic governance coordination, which closely relates to developing the natural water subsystem. Effective water conservation and regulation of water conservancy facilities are the keys to improving water-use efficiency and safeguarding water ecology. This study provides insights into the collaborative governance among subsystems and the evolution of the water resources, water conservancy facilities, and socio-economic systems in the Xiangjiang River Basin to promote sustainable water resource utilization.
期刊：
Frontiers in Environmental Science,2023年11:1164781 ISSN：2296-665X
通讯作者：
Zhou, F.
作者机构：
[Luo, Zhonghua; Wang, Jingjing; Zhou, Faming] Hunan Agr Univ, Econ Coll, Changsha, Peoples R China.;[Chen, Chen; Wang, Jingjing] Hunan Univ Humanity Sci & Technol, Business Coll, Loudi, Peoples R China.;[Zhou, Faming] Hunan First Normal Univ, Business Coll, Changsha, Peoples R China.
通讯机构：
[Zhou, F.] E;Economic College, China
关键词：
integration of agriculture and tourism;Agricultural green total factor productivity;impact;dynamic spatial Durbin model;Dynamic threshold model
摘要：
The integrated development of agriculture and tourism is conducive to the realization of agricultural ecological value, which will promote the green development of agriculture and improve the green total factor productivity of agriculture as well. Based on panel data in China from 2008 to 2019, the super-efficiency SBM method and the coupling coordination degree model were used to estimate the agricultural green total factor productivity (AGTFP) and the integration level of agriculture and tourism (ATL). The dynamic spatial Durbin model and threshold effect model were used to demonstrate the effects and characteristics of the agriculture and tourism integration on AGTFP. Results showed that: 1) During the study period, AGTFP and ATL increased steadily, and showed obvious spatial agglomeration characteristics; 2) The integration of agriculture and tourism will directly promote the improvement of AGTFP in the local region, and this impact has a spatial spillover effect. The direct effect in the central region in China is the strongest, and the spillover effect in the eastern region is the largest. 3) The influence of the agriculture and tourism integration on AGTFP was enhanced with the improvement of ATL, showing a threshold characteristic. From the perspective of subregion, the threshold value of ATL in the eastern region is the lowest, while the threshold value in the western region is the highest. The results of this study provide useful enlightenment for promoting the deep integration of agriculture and tourism and improvement of AGTFP so as to promote the green development of agriculture.
摘要：
In the recent world of catastrophe, scholars and policymakers have empirically examined the influence of various economic and financial instruments on environmental quality. Still, the literature is limited in terms of displaying the factors affecting public health, particularly in case of China. This study aims is to examine the nexus between green electricity, government efficiency, and health issues to draw novel policies. The current study investigates role of electricity production, eco-innovation and institutional factors for overall public health in China using the data from 2000Q1-2021Q4, which is a novel contribution to the existing literature. For empirical analysis, the study employs cointegration analysis, quantile regression and fully modified ordinary least square methods. The empirical result found the validity of the long-run equilibrium relationship. However, the asymmetric distri-bution of all variables allows this study to use a non-parametric "quantile regression" approach. The empirics depicts that economic growth and renewable electricity production positively influence public health-increase health-related issues. On the contrary, eco-innovation and government effectiveness substantially reduces public health issues. The empirical results are authenticated by the applying three parametric approaches - fully modified ordinary least square, canonical cointegration regression, and dynamic ordinary least square. To explore the causal connection between the variables, this study uses granger causality test - validates the presence of unidirectional and bidirectional causalities between variables. This study suggests enhancement in government effectiveness, expenditure, and eco-innovation to reduce critical health issues in the country.
通讯机构：
[Lin, MY ] H;Hunan Univ, Business Sch, Changsha 410082, Peoples R China.
关键词：
modified ensemble empirical mode decomposition (MEEMD);adjustment Mahalanobis–Taguchi system (AMTS);modified health index (MHI);deep neural networks (DNN);artificial intelligence;big data and analytics;data-driven engineering
摘要：
To improve fault diagnosis accuracy, a data-driven fault diagnosis model based on the adjustment Mahalanobis–Taguchi system (AMTS) was proposed. This model can analyze and identify the characteristics of vibration signals by using degradation monitoring as the classifier to capture and recognize the faults of the product more accurately. To achieve this goal, we first used the modified ensemble empirical mode decomposition (MEEMD) scalar index to capture the bearing condition; then, by using the key intrinsic mode function (IMF) extracted by AMTS as the input of classifier, the optimized properties of bearing is decomposed and extracted effectively. Next, to improve the accuracy of the fault diagnosis, we tested different modes, employing the modified health index (MHI), which is designed to overcome the shortcomings of the proposed health index as a classifier in a single fault mode and the deep neural networks (DNNs) as a classifier in a multifault mode. To evaluate the effectiveness of our model, the Case Western Reserve University (CWRU) bearing data were used for verification. Results indicated a strong robustness with 99.16% and 1.09s, 99.86% and 6.61s fault diagnosis accuracy in different data modes. Furthermore, we argue that this data-driven fault diagnosis obviously lowers the maintenance cost of complex systems by significantly reducing the inspection frequency and improves future safety and reliability.
通讯机构：
[Kuangyuan Pei] S;School of Business, Hunan Agriculture University, Changsha 410128, China<&wdkj&>Author to whom correspondence should be addressed.
作者机构：
[Zeng, Fusheng; Liao, Wangda] Hunan Agr Univ, Sch Econ, Changsha 410128, Peoples R China.;[Chanieabate, Meseret] Hunan Univ Sci & Engn, Res Inst Rural Revitalizat, Yongzhou 425199, Peoples R China.
通讯机构：
[Meseret Chanieabate] R;Research Institute of Rural Revitalization, Hunan University of Science and Engineering, Yongzhou 425199, China<&wdkj&>Author to whom correspondence should be addressed.
摘要：
Developing countries with small-scale agriculture have yet to exploit the untapped potential of agricultural mechanization. This is because of the misconception that mechanization is often seen as unworthy in small-scale agriculture. The purpose of this paper is to examine the development of agricultural mechanization in China and to provide evidence on how smallholder farmers can access agricultural machinery. A narrative approach was employed to conduct an in-depth analysis of the policies, strategies, and trends associated with agricultural mechanization development. The findings showed that: (1) the establishment and development of mechanization for smallholder agriculture is an evolutionary process that strongly opposes leapfrogging (technocratic behavior) and making large jumps; (2) the foundation of mechanization development should rely on a self-reliance system; (3) an appropriate mechanization theory is the key to inducing the rapid growth of mechanization in small-scale agriculture; (4) the successful application of agricultural machinery requires strong, target-oriented, and pro-farmer policies with effective leadership strategies. We present the key lessons on policy and institutional aspects for countries with small-scale agriculture and who are in the initial stages of agricultural mechanization.
关键词：
image processing;quality of agricultural products;image denoising;LSTM network
摘要：
Farmers should provide high-quality agricultural products and companies should receive high-quality agricultural products, which is the purpose and pursuit of the business model of "companies plus farmers". In order to increase the stability of the cooperation mode between companies and farmers, it is necessary to detect the quality of agricultural products accurately, objectively and efficiently. Therefore, this article studies the quality inspection method of agricultural products based on image processing. Firstly, the traditional threshold calculation method and threshold function are improved to obtain more ideal denoising effect of agricultural products images. Aiming at the problem that the traditional image processing model cannot obtain fine-grained feature information of image objects, a multi-level feature dependence extraction network is constructed, and the structure and working principle of the network model are introduced in detail. Experimental results verify the effectiveness of the proposed algorithm and model for agricultural product quality inspection.
作者机构：
[Wu, Liang; Peng, Yuting; Li, Zhijuan] Wuhan Univ, Dept Econ & Management, Wuhan 430072, Peoples R China.;[Zhang, Zemin; Chen, Rui] Wuhan Univ, Dong FuReng Econ & Social Dev Sch, Wuhan 430072, Peoples R China.;[Jiang, Wen; Jiang, Yinjuan] Hunan Agr Univ, Econ Coll, Changsha 410125, Peoples R China.;[Zheng, Kaixin] Wuhan Univ, Acad Dev, Wuhan 430072, Peoples R China.
关键词：
carbon emission;construction sector;green development;industrial green transformation;entropy method
摘要：
In the context of the commitment to peak carbon emissions by 2030, specific sectors in China should take responsibility to change their energy consumption patterns. In China and across the globe, the construction sector is a major source of carbon dioxide emissions, as well as an indicator of economic growth and structural transformation. In this study, we examine panel data for 30 provinces or regions from 2008 to 2019 to dissect which macro-factors contribute to growth in carbon emissions, and which will lead to carbon emission reductions. Derived by the entropy method, the Green Finance Index is a comprehensive environmental regulation index related to reduction in emissions in each province. It presents an N shape for construction emissions, and provinces are currently striving to cross the first inflection point, which will help to curb emissions. Judging from the combined effects of this and other structural factors, the Green Finance Index can promote the decarbonization of production by playing the role of guiding and screening capital allocation. Population expansion, income levels, and financial development initially stimulate demand for construction, but their effects eventually level off. This paper can serve as a reference for developing countries that are experiencing industrialization and urbanization processes and handling gas discharge pressure at the same time.
