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Catalyst–Support Interaction in Polyaniline‑Supported Ni_(3)Fe Oxide to Boost Oxygen Evolution Activities for Rechargeable Zn‑Air Batteries
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作者 Xiaohong Zou Qian Lu +8 位作者 Mingcong Tang Jie Wu Kouer Zhang Wenzhi Li Yunxia Hu Xiaomin Xu Xiao Zhang Zongping Shao Liang An 《Nano-Micro Letters》 SCIE EI CAS 2025年第1期176-190,共15页
Catalyst–support interaction plays a crucial role in improving the catalytic activity of oxygen evolution reaction(OER).Here we modulate the catalyst–support interaction in polyaniline-supported Ni_(3)Fe oxide(Ni_(3... Catalyst–support interaction plays a crucial role in improving the catalytic activity of oxygen evolution reaction(OER).Here we modulate the catalyst–support interaction in polyaniline-supported Ni_(3)Fe oxide(Ni_(3)Fe oxide/PANI)with a robust hetero-interface,which significantly improves oxygen evolution activities with an overpotential of 270 mV at 10 mA cm^(-2)and specific activity of 2.08 mA cm_(ECSA)^(-2)at overpotential of 300 mV,3.84-fold that of Ni_(3)Fe oxide.It is revealed that the catalyst–support interaction between Ni_(3)Fe oxide and PANI support enhances the Ni–O covalency via the interfacial Ni–N bond,thus promoting the charge and mass transfer on Ni_(3)Fe oxide.Considering the excellent activity and stability,rechargeable Zn-air batteries with optimum Ni_(3)Fe oxide/PANI are assembled,delivering a low charge voltage of 1.95 V to cycle for 400 h at 10 mA cm^(-2).The regulation of the effect of catalyst–support interaction on catalytic activity provides new possibilities for the future design of highly efficient OER catalysts. 展开更多
关键词 Catalyst-support interaction supported catalysts HETEROINTERFACE Oxygen evolution reaction Zn-air batteries
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Comprehensive influence of individualized nutrition support and nursing strategy on rehabilitation of patients with liver cancer after operation
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作者 Xue-Li Zhang Hai-Yan Ma 《World Journal of Gastrointestinal Surgery》 2025年第2期136-144,共9页
BACKGROUND Hepatocellular carcinoma ranks among the most prevalent malignant neoplasms.Surgical intervention constitutes a critical therapeutic approach for this condition.Nonetheless,postoperative recovery is frequen... BACKGROUND Hepatocellular carcinoma ranks among the most prevalent malignant neoplasms.Surgical intervention constitutes a critical therapeutic approach for this condition.Nonetheless,postoperative recovery is frequently influenced by the patient's nutritional status and the quality of nursing care provided.AIM To examine the comprehensive impact of personalized nutritional support and nursing strategies on the postoperative rehabilitation of patients with liver cancer.METHODS In this study,a retrospective comparative analysis was conducted involving 60 post-operative liver cancer patients.The subjects were selected as subjects and divided into two groups based on differing nursing interventions,with each group comprising 30 patients.The control group received standard nutritional support and care,whereas the experimental group received individualized nutritional support and nursing strategies.The study aimed to evaluate the impact of individualized nutrition by comparing the rehabilitation indices,nutritional status,quality of life(QoL),and complication rates between the two groups.RESULTS The results showed that the recovery index of the experimental group was significantly better than that of the control group 2 weeks after surgery,and the average liver function recovery index of the experimental group was 85.significantly higher than that of the control group(73.67±7.19).In terms of nutritional status,the serum albumin level and body weight stabilization rate of the experimental group were also significantly higher than those of the control group,which were 42.33±2.4 g/L and 93.3%,respectively,compared with 36.01±3.85 g/L and 76.7%of the control group.In addition,the average QoL score of the experimental group was 84.66±3.7 points,which was significantly higher than that of the control group(70.92±4.28 points).At the psychological level,the average anxiety score of the experimental group was 1.17±0.29,and the average depression score was 1.47±0.4,which were significantly lower than the 2.26±0.42 and 2.57±0.45 of the control group.This showed that patients in the experimental group were better relieved of anxiety and depression under the individualized nutrition support and nursing strategy.More importantly,the complication rate in the experimental group was only 10%,much lower than the 33.3%in the control group.CONCLUSION Personalized nutritional support and tailored nursing strategies significantly enhance the postoperative rehabilitation of liver cancer patients.Consequently,it is recommended to implement and advocate for these individualized approaches to improve both the recovery outcomes and QoL for these patients. 展开更多
关键词 Liver cancer After surgery Individualized nutritional support Nursing strategy Rehabilitation effect
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Seismic design of variable cross-section damped steel support frame for post equipment
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作者 Yang Zhenyu Ma Yuhong +2 位作者 Zhao Guifeng Feng Zhiwei Fu Mingyang 《Earthquake Engineering and Engineering Vibration》 2025年第1期155-167,共13页
High-voltage electrical post equipment is generally installed on steel supports,which amplifies the seismic inputs and degrades the seismic performance of equipment.This study proposed a variable cross-section damped ... High-voltage electrical post equipment is generally installed on steel supports,which amplifies the seismic inputs and degrades the seismic performance of equipment.This study proposed a variable cross-section damped steel support frame(VCDFS)with viscous dampers to reduce seismic responses of both tall and low-rise electrical equipment.The VCDFS contains a trapezoidal damper layer to generate rocking motions,enabling the diagonal viscous dampers to dissipate seismic inputs.A theoretical model of post equipment with VCDFS is established,and an optimal design procedure is proposed.The analysis shows that the remaining static stiffness ratio λ_(k) is the key parameter that determines the effectiveness of the VCDFS.The VCDFS reduces the average displacement and stress response of a post insulator by 39.4%and 44.6%,respectively,together with a significant decrease in the dynamic amplification factor.Therefore,it is recommended to use the VCDFS instead of the conventional latticed-steel frame in earthquake zones. 展开更多
关键词 electrical post equipment steel support frame passive control seismic performance upgrading
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Correlation between psychological,family social support,and home nursing quality for an implanted venous access port
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作者 Heng-Ya Jia Li-Qun Yan +1 位作者 Xiao-Bei Liu Jie Cao 《World Journal of Psychiatry》 2025年第2期130-139,共10页
BACKGROUND Cancer patients with an implanted venous access port(IVAP)often manage their care at home during chemotherapy intervals,including maintaining the device,monitoring complications,and following medication ins... BACKGROUND Cancer patients with an implanted venous access port(IVAP)often manage their care at home during chemotherapy intervals,including maintaining the device,monitoring complications,and following medication instructions.Home care ensures continued support after discharge.However,due to factors such as age,gender,culture,psychological status,and family support,the quality of home care varies significantly.Understanding these factors can help provide targeted guidance to improve the care of cancer patients.AIM To explore IVAP chemotherapy on home care quality and its association with mental health and family support for cancer patients.METHODS This investigative study was based on a medical records system.It investigated the relationship between psychological status,family support,and home care quality in 180 patients with cancer undergoing IVAP chemotherapy.Psychological status was assessed using the State Anxiety Inventory(S-AI);family support was assessed using the Perceived Social Support Scale(PSSS),and home care quality was evaluated using the European Organization for Research and Treatment of Cancer Quality of Life Questionnaire(EORTC QLQ-C30).Pearson’s correlation and Structural Equation Modeling were used to analyze the interplay between these factors.RESULTS The average S-AI score was 47.52±14.47,PSSS was 52.48±12.64,and EORTC QLQ-C30 was 70.09±17.32.A substantial inverse relationship was observed between the EORTC QLQ-C30 and S-AI scores(r=-0.712).A significant positive correlation was found between the EORTC QLQ-C30 and the PSSS,with a correlation coefficient of(r=0.744).The multiple linear regression analysis indicated that family social support,psychological status,and average monthly family income were the main factors influencing the variation in the quality of home care,explaining 71.9%of the variation.The Structural Equation Modeling results indicated that psychological status acted as a partial mediator in the association between family social support and home care quality of life,explaining 32.78%of the mediation effect.CONCLUSION Psychological status and family social support positively impacted cancer patients’home care quality,with psychology partially mediating this effect. 展开更多
关键词 Implanted venous access port Cancer patient Home nursing life quality Family social support Psychological status
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Deformation mechanism and NPR anchor cable truss coupling support in tunnel through fault fracture zone
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作者 HUO Shusen TAO Zhigang +2 位作者 HE Manchao WANG Fengnian XU Chuang 《Journal of Mountain Science》 2025年第1期354-374,共21页
To address the issue of extensive deformation in the Tabaiyi Tunnel caused by the fault zone,nuclear magnetic resonance(NMR)technology was employed to analyze the physical and mechanical properties of waterabsorbing m... To address the issue of extensive deformation in the Tabaiyi Tunnel caused by the fault zone,nuclear magnetic resonance(NMR)technology was employed to analyze the physical and mechanical properties of waterabsorbing mudstone.This analysis aimed to understand the mechanism behind the significant deformations.Drawing from the principle of excavation stress compensation,a support scheme featuring NPR anchorcables and an asymmetric truss support system was devised.To validate the scheme,numerical analysis using a combination of the Discrete Element Method(DEM)-Finite Element Method(FEM)was conducted.Additionally,similar material model tests and engineering measurements were carried out.Field experiments were also performed to evaluate the NPR anchor-cable and truss support system,focusing on anchor cable forces,pressures between the truss and surrounding rock,pressures between the initial support and secondary lining,as well as the magnitude of settlement and convergence deformation in the surrounding rock.The results indicate that the waterinduced expansion of clay minerals,resulting from damage caused by fissure water,accelerated the softening of the mudstone's internal structure,leading to significant deformations in the Tabaiyi Tunnel under high tectonic stress.The original support design fell short as the length of the anchor rods was smaller than the expansion depth of the plastic zone.As a result,the initial support structure bore the entire load from the surrounding rock,and a non-coupled deformation contact was observed between the double-arch truss and the surrounding rock.The adoption of NPR asymmetric anchor-cable support effectively restrained the expansion and asymmetric distribution characteristics of the plastic zone.Considering the mechanical degradation caused by water absorption in mudstone,the rigid constraint provided by the truss proved crucial for controlling the stability of the surrounding rock.These research findings hold significant implications for managing large deformations in soft rock tunnels situated within fractured zones under high tectonic stress conditions. 展开更多
关键词 Fault fracture zone Large deformation Nuclear magnetic resonance NPR anchor cable truss support Coupled simulation
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Evaluation of the Effectiveness of Financial Support to Agriculture Based on the DEA Method 被引量:9
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作者 SUO Ruixia WANG Fulin 《Journal of Northeast Agricultural University(English Edition)》 CAS 2009年第3期46-51,共6页
Financial support to agriculture is the main driving force to increase farmers' income. This paper applied the evaluation DEA (Data-embrasing Analysis) method to evaluate the effectiveness of financial support to a... Financial support to agriculture is the main driving force to increase farmers' income. This paper applied the evaluation DEA (Data-embrasing Analysis) method to evaluate the effectiveness of financial support to agriculture from 1990 to 2005. It is found that the trend of the financial support to agricultural effectiveness in China presented a downward trend in recent years. The results showed that the overall trend of the financial support to agriculture in China wasn't high, and some corresponding proposals were put forward to optimized. 展开更多
关键词 financial support to agriculture DEA agricultural income C^2R model
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Research on Efficiency of Financial Supports in Agricultural Industrialization in China 被引量:4
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作者 Han Xue Qu Li-li 《Journal of Northeast Agricultural University(English Edition)》 CAS 2016年第2期78-81,共4页
The agricultural industry development in China has been very successful, but there exist some problems, such as weak financial support strength. With the help of DEA-Malmquist index method, this paper evaluated the ef... The agricultural industry development in China has been very successful, but there exist some problems, such as weak financial support strength. With the help of DEA-Malmquist index method, this paper evaluated the efficiency of the agricultural industrialization's financial supports, made a deep study of its influencing factors, which have an extremely important influence on the perfect agricultural industrialization's development. 展开更多
关键词 agricultural industrialization financial supports' efficiency financing channel
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Existing Problems in Financial Support for New Urbanization and Recommendations 被引量:3
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作者 Songtao LIU Junfan WANG +1 位作者 Yunyang ZENG Liqiong LIN 《Asian Agricultural Research》 2015年第10期1-3,共3页
Firstly,this paper discussed differences between traditional urbanization and new urbanization. Then,from current situations of financial support for new urbanization,it analyzed existing problems in financial support... Firstly,this paper discussed differences between traditional urbanization and new urbanization. Then,from current situations of financial support for new urbanization,it analyzed existing problems in financial support for new urbanization. The problems include difficulty in infrastructure financing,shortage of funds for small and medium sized enterprises,narrow scope of financial services,and uneven industries of financial support. Finally,it came up with pertinent recommendations,including implementing diversified infrastructure financing modes,solving financing difficulty of small and medium sized enterprises through many channels,strengthening service level and expanding service scope of financial institutions,and changing the situation of uneven industry of financial support,in the hope of providing helpful references. 展开更多
关键词 NEW URBANIZATION financial support Uneven support
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Financial Support for Farmers' Cooperative Organizations——A Case of Yunan Province,China 被引量:1
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作者 CHEN Ying 《Asian Agricultural Research》 2010年第6期4-8,共5页
In the paper,the status quo of the development of farmers' cooperative organizations in Yunnan Province is introduced.And then a series of problems exist in the financial support of farmers' cooperatives in Yu... In the paper,the status quo of the development of farmers' cooperative organizations in Yunnan Province is introduced.And then a series of problems exist in the financial support of farmers' cooperatives in Yunnan is analyzed,covering the unitary mainstay of credit and loan supply;inadequate credit and loan supply caused by famers' lack of security and mortgage;farmers' difficulties in loaning from banks or other financial institutions;single financial service,which can not satisfy the demands of farmers;the private loans are active while lacks right direction and guide;the outflow of capital in rural areas has limited the development of rural economy.In view of the above mentioned problems,countermeasures and relevant suggestions are put forward,namely increasing the subjects of the loan and credit supply and expanding the financing channels.Therefore,the spheres of business of the Agricultural Development Bank of China should be expanded.Besides,the support from Agricultural Bank of China for rural construction should be strengthened and the major role played by rural credit cooperatives in rural finance should be enforced.In addition,the innovation of financial products should be highlighted;the appearance of private financing should be allowed;financial support from the government should be increased and the preferential policies for taxes and fees should be implemented. 展开更多
关键词 Farmers'cooperative organizations financial support Yunnan Province China
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Research on Financial Support for the New Types of Agricultural Management Entities from the Perspective of the Rural Revitalization Strategy 被引量:1
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作者 Wang Rui Zhou Yingheng Huang Deyuan(翻译) 《Contemporary Social Sciences》 2020年第6期23-41,共19页
Both the escape from the predicament of traditional financial support in rural areas and the cultivation of new types of agricultural management entities underlie,at a micro level,the improvement of a new-type of agri... Both the escape from the predicament of traditional financial support in rural areas and the cultivation of new types of agricultural management entities underlie,at a micro level,the improvement of a new-type of agricultural management system,and offer an important guarantee for the implementation of a rural revitalization strategy.In reference to the demands of carrying out reform,activating factors,invigorating entities and stimulating markets during the implementation of this rural revitalization strategy,we are applying a financing preference theory that infers and analyzes the excessive preference for new-type agricultural management entities(family farms,specialized farmer cooperatives,specialized large family farms,and modern agricultural enterprises)regarding government subsidies(quasi-equity financing).Our analysis has identified crucial factors in the issue and predicts that government subsidies(quasi-equity financing)will crowd out financial support funding(quasi-debt financing),and we offer empirical proof obtained through statistical modeling.As our results indicate,financing costs,free cash flows,and the perceived income adequacy(PIA)of new-type agricultural management entities all have significant influence upon decision-making for debt financing by such entities.Therefore,with the concrete contents of the formulation of policies concerning the financial support for rural agricultural strategy,one not only needs to consider the further decrease of financing costs,but also should take into account both the designing of cash flow mechanism in the process of paying both principal and interest,and the improvement of bankruptcy rules for agricultural management entities to accelerate the transformation of family farms,specialized farmer cooperatives,and specialized large family farms,towards modern agricultural enterprises.Meanwhile,upgrades to the supply chains of the agriculture industry,improvements to the construction of the rural financial information system,building an accounting system that meets the requirements of the rural revitalization strategy,and giving full play to the policies for financial support,which assume an important role in activating factors and markets during the implementation of the rural revitalization strategy,are also anticipated. 展开更多
关键词 rural revitalization strategy new-type agricultural management entities financing costs financial support
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IS-LM Model Based Analysis on the Role of China's Financial Policy for Supporting Agriculture
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作者 Xiejun CHENG 《Asian Agricultural Research》 2021年第2期1-2,7,共3页
The"three rural"issues have always been an important and prominent issue in China's economy and society.The"No.1 Document"of the central government of China over the years has all stressed this... The"three rural"issues have always been an important and prominent issue in China's economy and society.The"No.1 Document"of the central government of China over the years has all stressed this field.The state has also undertaken various economic policies to increase the income of rural residents,support agricultural development,and improve rural infrastructure construction.Among the various policies,financial support for agriculture is a frequently used macroeconomic policy.Based on the IS-LM model,this paper analyzed the effects of financial policy for supporting agriculture on the IS-LM model,discussed the specific role of the financial policy,in order to provide a certain reference for the government to better use financial policy to support the agriculture. 展开更多
关键词 IS-LM model financial support for agriculture Crowding out effect
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Factors associated with financial support in old age for young and middle-aged rural residents in China
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作者 Suyan Shen Fang Li John Kipkorir Tanui 《Chinese Journal of Population,Resources and Environment》 2015年第2期169-176,共8页
This study examined the factors associated with financial support in old age from three primary mechanisms-personal savings,family support,and social insurance-to explore the implications for the future development of... This study examined the factors associated with financial support in old age from three primary mechanisms-personal savings,family support,and social insurance-to explore the implications for the future development of China's rural social welfare system.Cross-sectional surveys of 1392 young and middle-aged rural residents were conducted in July and August2012.The results showed that while social insurance was increasingly acceptable,personal savings and family support still had fundamental value.Combining the three mechanisms,the rural old-age welfare system presented nontraditional features.China's new rural endowment insurance is discussed as a means to address the need for financial support among the rural aging population. 展开更多
关键词 OLD-AGE financial support young and MIDDLE-AGED rural RESIDENTS personal SAVINGS family support social INSURANCE
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Research on financial support in new rural reconstruction
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作者 ZONG Yi-xiang 《Chinese Business Review》 2007年第6期59-62,共4页
The new rural reconstruction in China cannot develop without financial support. At present, the limitations on rural finance supply constitute one of the bottlenecks in the "Three Nongs" (agriculture, countryside a... The new rural reconstruction in China cannot develop without financial support. At present, the limitations on rural finance supply constitute one of the bottlenecks in the "Three Nongs" (agriculture, countryside and farmers) problems. The paper starts from the present situation, analyses the reasons why rural finance has current difficulties and puts forward proposals for policy reform. 展开更多
关键词 rural finance financial support the new rural reconstruction in China
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Evaluation of the Performance of Financial Support for Agriculture in Guizhou Province Using Secondary Relative Benefit Model Based on DEA
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作者 HUANG Qing-hua NIU Lei +1 位作者 WEI Xiao-ya XIE Lin-sha 《Asian Agricultural Research》 2012年第6期1-4,共4页
We use the secondary relative benefit model based on DEA to evaluate the performance of agricultural financial expenditure in Guizhou Province, which can give due consideration to the production effectiveness determin... We use the secondary relative benefit model based on DEA to evaluate the performance of agricultural financial expenditure in Guizhou Province, which can give due consideration to the production effectiveness determined by objective natural conditions, and management effectiveness of all regions (as decision-making body) in the use of financial fund for supporting agriculture. In general, there is north-south gradient difference in the performance of financial support for agriculture between regions in Guizhou Province. The drought in 2010 has significant impact on the technical efficiency in the whole province; the performance score of each item in Liupanshui City and Southwest Guizhou is very low; the technical efficiency and management efficiency in most regions need to be improved. In order to improve the performance of financial support for agriculture, we need to ensure the scale of input; at the same time, provide appropriate preferential financial policies for agricultural infrastructure, especially the construction of rural water conservancy, development and promotion of agricultural science and technology, and other fields; adopt the way of special check and acceptance of supporting projects to strengthen the use management of the fund for agriculture. 展开更多
关键词 financial support for AGRICULTURE PERFORMANCE eval
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Research on Financial Support of New Countryside Construction in China
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作者 ZHOU Danyang 《International English Education Research》 2017年第4期78-80,共3页
The cpc's 13th Five-Year comprehensive plan put forward a major historic task of building a new socialist countryside. This is the comprehensive implementation of urban and rural development to increase industrial ag... The cpc's 13th Five-Year comprehensive plan put forward a major historic task of building a new socialist countryside. This is the comprehensive implementation of urban and rural development to increase industrial agriculture, move the city to support the countryside, accelerate urbanization and narrow the gap between urban and rural areas. To solve the "three rural issues", the comprehensive construction ofa well-offsociety, has a very important strategic role to ease the contradiction of China's rural and urban ecnomic structure. In the process of building a new socialist countryside, the financial policy, as an important means ofmacroeconomic regulation and control, should play a leading role in solving the effective allocation &funds. Due to various factors affected by the current supply of rural financial market constraints, system defects and environmental constraints, there is a large gap between the level of the existing rural financial services and the requirements of the new rural construction which is to be improved urgently. 展开更多
关键词 Ecnomic structure financial support New rural construction URBANIZATION
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Research on financial support of the new energy industry
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作者 Chen lin Wu jingjing Wang rong 《International English Education Research》 2014年第12期23-25,共3页
As it is known to all, the new energy industry plays an important in the economic transformation and structure adjustment of our country. The government attaches great importance to the development of the new energy i... As it is known to all, the new energy industry plays an important in the economic transformation and structure adjustment of our country. The government attaches great importance to the development of the new energy industry. Particularly for the developing countries, to achieve rapid development require a lot of capital. However, there are some problems with finance in the development of the new energy industry. Based on the analysis, this paper puts forward some countermeasures. 展开更多
关键词 financial support new energy industry venture capital finn.
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Short-Term Financial Time Series Forecasting Integrating Principal Component Analysis and Independent Component Analysis with Support Vector Regression
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作者 Utpala Nanda Chowdhury Sanjoy Kumar Chakravarty Md. Tanvir Hossain 《Journal of Computer and Communications》 2018年第3期51-67,共17页
Financial time series forecasting could be beneficial for individual as well as institutional investors. But, the high noise and complexity residing in the financial data make this job extremely challenging. Over the ... Financial time series forecasting could be beneficial for individual as well as institutional investors. But, the high noise and complexity residing in the financial data make this job extremely challenging. Over the years, many researchers have used support vector regression (SVR) quite successfully to conquer this challenge. In this paper, an SVR based forecasting model is proposed which first uses the principal component analysis (PCA) to extract the low-dimensional and efficient feature information, and then uses the independent component analysis (ICA) to preprocess the extracted features to nullify the influence of noise in the features. Experiments were carried out based on 16 years’ historical data of three prominent stocks from three different sectors listed in Dhaka Stock Exchange (DSE), Bangladesh. The predictions were made for 1 to 4 days in advance targeting the short term prediction. For comparison, the integration of PCA with SVR (PCA-SVR), ICA with SVR (ICA-SVR) and single SVR approaches were applied to evaluate the prediction accuracy of the proposed approach. Experimental results show that the proposed model (PCA-ICA-SVR) outperforms the PCA-SVR, ICA-SVR and single SVR methods. 展开更多
关键词 financial Time Series Forecasting support Vector Regression Principal COMPONENT ANALYSIS Independent COMPONENT ANALYSIS Dhaka STOCK Exchange
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Influence of Outflow of Rural Funds on Financial Support for Agriculture
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作者 Jinqian DENG Wenkai LUO 《Asian Agricultural Research》 2013年第12期25-29,共5页
Since the reform and opening-up,rural finance has made enormous contribution to rural economic development.However,with commercialization reform of financial institutions,the conflict between outflow of large funds an... Since the reform and opening-up,rural finance has made enormous contribution to rural economic development.However,with commercialization reform of financial institutions,the conflict between outflow of large funds and shortage of funds for rural economic development becomes prominent,leading to serious degradation of agricultural support function of rural finance.From the perspective of outflow of rural funds,this paper analyzes the problem of"deviation from agriculture"of rural financial business,and derives the conclusion that it is necessary and urgent to restore agricultural support function of rural finance.Then,it discusses restoration path for agricultural support function of rural finance.Finally,it comes up with some effective paths in accordance with existing problems in agricultural support function of rural finance. 展开更多
关键词 OUTFLOW of RURAL FUNDS RURAL FINANCE support for a
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Impact of Energy Efficiency and Financial Support on Green Upgrading in China’s Industrial Sector
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作者 Yingying Zhou Ning Yang +2 位作者 Panpan Meng Xiaoqian Jing Fengran Lu 《Proceedings of Business and Economic Studies》 2023年第6期24-29,共6页
The report from the 20th National Congress of China emphasizes the importance of focusing on the clean,low-carbon,and efficient use of energy,increasing financial support,and promoting green upgrading within the indus... The report from the 20th National Congress of China emphasizes the importance of focusing on the clean,low-carbon,and efficient use of energy,increasing financial support,and promoting green upgrading within the industrial sector.This paper,based on annual data,employs the entropy weight method to construct a comprehensive index reflecting the impact of green upgrading in industrial sectors.To delve deeper,it utilizes the DEA model to measure energy efficiency and its subdivision BCC model to break down energy efficiency into technical and scale efficiency.The financial support landscape is examined from the vantage points of both direct and indirect financing.Using a multivariate time series model,this paper thoroughly investigates the influence of energy efficiency and financial support on the green upgrading of the industrial sector.The findings reveal a significant positive impact of both energy efficiency and financial support on green upgrading in industrial industries.Notably,scale efficiency emerges as the primary driver of energy efficiency.Moreover,indirect financing proves to be more effective in promoting financial support than direct financing.The empirical results retain their robustness even after substituting explanatory variables.The study concludes by contextualizing the research findings within the current real-world scenario,offering practical insights,and proposing specific recommendations. 展开更多
关键词 Energy efficiency financial support Industrial green upgrading DEA-BCC model
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Analysis of the interaction between bolt-reinforced rock and surface support in tunnels based on convergence-confinement method 被引量:3
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作者 Zhenyu Sun Dingli Zhang +2 位作者 Qian Fang Yanjuan Hou Nanqi Huangfu 《Journal of Rock Mechanics and Geotechnical Engineering》 SCIE CSCD 2024年第6期1936-1951,共16页
To investigate the interaction of the bolt-reinforced rock and the surface support,an analytical model of the convergence-confinement type is proposed,considering the sequential installation of the fully grouted rockb... To investigate the interaction of the bolt-reinforced rock and the surface support,an analytical model of the convergence-confinement type is proposed,considering the sequential installation of the fully grouted rockbolts and the surface support.The rock mass is assumed to be elastic-brittle-plastic material,obeying the linear Mohr-Coulomb criterion or the non-linear Hoek-Brown criterion.According to the strain states of the tunnel wall at bolt and surface support installation and the relative magnitude between the bolt length and the plastic depth during the whole process,six cases are categorized upon solving the problem.Each case is divided into three stages due to the different effects of the active rockbolts and the passive surface support.The fictitious pressure is introduced to quantify the threedimensional(3D)effect of the tunnel face,and thus,the actual physical location along the tunnel axis of the analytical section can be considered.By using the bolt-rock strain compatibility and the rocksurface support displacement compatibility conditions,the solutions of longitudinal tunnel displacement and the reaction pressure of surface support along the tunnel axis are obtained.The proposed analytical solutions are validated by a series of 3D numerical simulations.Extensive parametric studies are conducted to examine the effect of the typical parameters of rockbolts and surface support on the tunnel displacement and the reaction pressure of the surface support under different rock conditions.The results show that the rockbolts are more effective in controlling the tunnel displacement than the surface support,which should be installed as soon as possible with a suitable length.For tunnels excavated in weak rocks or with restricted displacement control requirements,the surface support should also be installed or closed timely with a certain stiffness.The proposed method provides a convenient alternative approach for the optimization of rockbolts and surface support at the preliminary stage of tunnel design. 展开更多
关键词 Analytical model Longitudinal tunnel displacement Fictitious pressure Active rockbolts Surface support reaction pressure Tunnel design
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