scholarly journals Multiobjective Programming Strategy of Small- and Medium-Sized Microenterprise Credit Based on Random Factors

2021 ◽  
Vol 2021 ◽  
pp. 1-10
Author(s):  
Zhuoran Fan ◽  
Jilong Xu ◽  
Yuchen Li
Keyword(s):  
Numerical Simulation ◽  
Multiobjective Programming ◽  
Evaluation Index System ◽  
Evaluation Index ◽  
Utilization Rate ◽  
Random Numbers ◽  
Breach Of Contract ◽  
Total Utilization ◽  
The Impact ◽  
Total Price

In this paper, we select eight indicators from the aspects of an enterprise’s bill transaction information, namely, whether the enterprise’s loan is in breach of contract, effective invoice rate, total utilization rate of price and tax, negative invoice rate, strength of enterprise, coefficient of variation, flow efficiency of assets, and influence of upstream and downstream enterprises; then, we construct an evaluation index system. According to different industries, different categories, and the impact of random factors, we divide the types of enterprises into 10 categories. Then, we use three kinds of Poisson random numbers to carry out numerical simulation on the total price and tax of enterprises in different industries under the influence of COVID-19.

Study on evaluation index system of sustainable development of mine water resources based on PSO-AHP model and fuzzy comprehensive evaluation

2021 ◽  
pp. 1-12
Author(s):  
Xiaomin Liu ◽  
Haiyan Liu ◽  
Zheng Wan ◽  
Lifei Wang ◽  
Qiong Chen
Keyword(s):  
Water Resources ◽  
Index System ◽  
Evaluation System ◽  
Comprehensive Evaluation ◽  
Fuzzy Comprehensive Evaluation ◽  
Evaluation Index System ◽  
Evaluation Index ◽  
Ecological Environment ◽  
Ahp Model ◽  
The Impact

Water resources is an important basic energy. The determination of weights is one of the important indexes in water resources evaluation system and reasonable allocation of weights is the key to quantitative evaluation. In order to establish a scientific evaluation index system of the influence of mining disturbance on water resources for purpose of a more reliable and effective evaluation result and realizing the protection of water resources system, a comprehensive evaluation system of water resources based on PSO-AHP model is proposed in the paper. Combined with the specific geological environment characteristics of mines, this paper establishes a four-level evaluation index system after identifying the factors affecting water resources and ecological environment. By applying the particle swarm optimization (PSO) to the analytic hierarchy process (AHP) and fuzzy comprehensive evaluation method, a PSO-AHP model and then a fitness function are constructed to solve and optimize the weight values in the evaluation index system, and the calculated weight values are checked by consistency checking method. The evaluation results suggest that the index system can accurately reflect the impact of mining on water resources and water ecological environment and etc., providing certain reference value for sewage resourcing and reducing the harmful effect on environment by sewage discharge.

Crisis analysis and prevention and control of financial leverage imbalance in shareholder equity pledge based on DANP model

2021 ◽  
pp. 1-8
Author(s):  
Fang Fang
Keyword(s):  
Internal Control ◽  
Early Warning ◽  
Prevention And Control ◽  
Control Measures ◽  
Evaluation Index System ◽  
Evaluation Index ◽  
Financial Leverage ◽  
Constant Weight ◽  
And Control ◽  
The Impact

The process of economic globalization is accelerating, and the financial risks that listed companies need to face are more complicated. In order to clarify the impact of shareholder equity pledge on financial leverage imbalance crisis, this study explores financial leverage imbalance crisis of shareholder equity pledge based on DANP model. Fully consider the financial leverage effect and the potential risks of shareholder equity pledge, use the DANP financial leverage imbalance early warning model to analyze the impact of shareholder equity pledge on the financial leverage imbalance crisis, establish a financial leverage imbalance early warning evaluation index system, and preprocess the early warning evaluation indicators. Determine the constant weight of each evaluation index, and obtain the final financial leverage imbalance crisis early warning evaluation value based on the determined constant weight. Results show that the DANP model can accurately analyze the financial leverage imbalance crisis in the case of shareholder equity pledges, clarify the company’s financial status in the case of shareholder equity pledges, and propose to standardize equity pledge behavior and improve the company’s internal control system in response to the crisis of shareholder equity pledge financial leverage imbalances. Improve the three prevention and control measures of the independent director system to enhance the ability of enterprises to resist the crisis of financial leverage imbalance.

Study on Stability of Last Train Connection under Delays on Urban Rail Transit

2014 ◽  
Vol 641-642 ◽  
pp. 757-762 ◽  
Author(s):  
Yuan Pei Li
Keyword(s):  
Urban Rail Transit ◽  
Evaluation Index System ◽  
Evaluation Index ◽  
Rail Transit ◽  
Transit Network ◽  
Rail Network ◽  
Urban Rail ◽  
The Stability ◽  
The Impact ◽  
Static Evaluation

The stability of the last train connection under delays directly reflects the coordination of urban rail network. Based on the connection of scheme of last trains, this paper analyzed of the impact of the delay on the transfers and established a static evaluation index system of the impact on transit network. Furthermore, the paper evaluated a rail transit network under different last train delays. Ultimately, the evaluation results could be got by this method, which could be used to analyze the trend of the evaluation results over delay time.

scholarly journals Threat Evaluation of Air Targets Based on the Generalized λ-Shapley Choquet Integral of GIFSS

Aerospace ◽  
2021 ◽  
Vol 8 (5) ◽  
pp. 144
Author(s):  
Xiaoma Liu ◽  
Jishuai Yao ◽  
Xingju Lu ◽  
Hongwu Guo ◽  
Wenqi Wu
Keyword(s):  
Numerical Simulation ◽  
Index System ◽  
Choquet Integral ◽  
Great Influence ◽  
Aggregation Operators ◽  
Evaluation Index System ◽  
Evaluation Index ◽  
Fuzzy Soft Set ◽  
Air Defense ◽  
Threat Evaluation

Fast and accurate threat evaluation (TE) of incoming air targets has a great influence on air defense. In this paper, two new generalized intuitionistic fuzzy soft set (GIFSS) methods are proposed for threat evaluation of air targets. Firstly, the threat evaluation index system is reasonably constructed by analyzing the relative kinematics between the targets and assets, apart from that between the targets and interceptors, which is more reasonable and practical. Secondly, after the threat indexes (TI) are properly obtained, two new aggregation operators for GIFSS are put forward based on the generalized λ-Shapley Choquet integral. The proposed operators not only depict the correlations among the evaluation index but also consider the importance of them globally. Finally, the effectiveness and superiority of the proposed methods are verified through a numerical simulation including four air targets in different index systems.

scholarly journals Intelligent Technology-Based Improvement of Teaching Ability of Professional Courses in Art Design

2020 ◽  
Vol 15 (23) ◽  
pp. 193
Author(s):  
Jing Peng
Keyword(s):  
Quantitative Analysis ◽  
Index System ◽  
Evaluation Index System ◽  
Evaluation Index ◽  
Analysis Model ◽  
Teaching Ability ◽  
Art Design ◽  
Intelligent Technology ◽  
Set Up ◽  
The Impact

Despite the development of intelligent technology, there are many problems in the improvement of teaching ability of professional courses in art design, namely, the impact from multiple factors, the imperfectness of the evaluation index system, and the lack of quantitative analysis. To solve the problems, this paper probes deep into the connotations and influencing factors of the teaching ability of the said courses in the context of intelligent technology. Through theoretical analysis, several strategies were presented to improve the teaching ability of the said courses. To effectively evaluate the ability, the authors set up a robust evaluation index system from multiple angles, and provided a quantitative analysis model. The research results provide a good reference for art design teachers to improve their teaching ability.

The Evaluation and Demonstration of Recycling Economy Development Based on the Combination of Entropy Weight and AHP

2014 ◽  
Vol 955-959 ◽  
pp. 1750-1754 ◽  
Author(s):  
Meng Zhao ◽  
Wen Ran Lu
Keyword(s):  
Index System ◽  
Industrial Wastewater ◽  
Evaluation Index System ◽  
Evaluation Index ◽  
Utilization Rate ◽  
Upward Trend ◽  
Entropy Weight ◽  
Comprehensive Utilization ◽  
Fixed Assets ◽  
Recycling Economy

Screening four subsystems specific indicators of recycling economy development: economy, environment, society and resources, using frequency statistics analysis and expert investigation method, to establish the evaluation index system of recycling economy. Weighting by means of entropy and AHP, and taking Hebei as an example to analyze, the results of the study shows that overall development of Hebei recycling economy shows ascendant trend between 2004 and 2010. The development of each subsystem has an unstable upward trend, unstable factors are: energy comprehensive utilization rate, industrial wastewater emissions and fixed assets investment etc.

Comprehensive evaluation of kraft pulp properties from fast-growing woods

TAPPI Journal ◽  
2010 ◽  
Vol 9 (6) ◽  
pp. 34-39
Author(s):  
AIYU QU ◽  
YANHUI AO ◽  
JUN YAN ◽  
GUIGAN FANG
Keyword(s):  
Kraft Pulp ◽  
Comprehensive Evaluation ◽  
Evaluation Model ◽  
Evaluation Index System ◽  
Evaluation Index ◽  
Wood Cellulose ◽  
Fuzzy Matrix ◽  
Fast Growing ◽  
Pulp Properties ◽  
Evaluation Index Systems

To develop new wood cellulose resources and fast-growing pulpwood plantation fiber sources, it is very important to evaluate their pulping properties. A comprehensive multi-index pulping-suitability evaluation model is investigated in this paper by considering four fast-growing wood species. First, a new evaluation-index system for kraft pulp was developed based on traditional evaluation-index systems. Then, the membership degree of every index was analyzed to obtain a fuzzy matrix. The proportional contribution of each parameter to the main pulping properties could then be determined. Finally, a comprehensive evaluation model of kraft pulp properties was developed. The model is reliable compared with traditional assessment methods. The results confirmed the feasibility and rationality of developing new wood cellulose resources and fast-growing pulpwood plantations using fuzzy comprehensive evaluations.

The Impact of a Chemostat Discharge Containing Oil Degrading Bacteria on the Biological Kinetics of a Refinery Activated Sludge Process

1988 ◽  
Vol 20 (11-12) ◽  
pp. 131-136 ◽  
Author(s):  
A. D. Wong ◽  
C. D. Goldsmith
Keyword(s):  
Activated Sludge ◽  
Retention Time ◽  
Waste Treatment ◽  
Treatment Plant ◽  
Utilization Rate ◽  
Activated Sludge Process ◽  
Kinetic Evaluation ◽  
Degrading Bacteria ◽  
Waste Treatment Plant ◽  
The Impact

The effect of discharging specific oil degrading bacteria from a chemostat to a refinery activated sludge process was determined biokinetically. Plant data for the kinetic evaluation of the waste treatment plant was collected before and during treatment. During treatment, the 500 gallon chemostatic growth chamber was operated on an eight hour hydraulic retention time, at a neutral pH, and was fed a mixture of refinery wastewater and simple sugars. The biokinetic constants k (days−1), Ks (mg/L), and K (L/mg-day) were determined before and after treatment by Monod and Lineweaver-Burk plots. Solids discharged and effluent organic concentrations were also evaluated against the mean cell retention time (MCRT). The maximum utilization rate, k, was found to increase from 0.47 to 0.95 days−1 during the operation of the chemostat. Subsequently, Ks increased from 141 to 556 mg/L. Effluent solids were shown to increase slightly with treatment. However, this was acceptable due to the polishing pond and the benefit of increased ability to accept shock loads of oily wastewater. The reason for the increased suspended solids in the effluent was most likely due to the continual addition of bacteria in exponential growth that were capable of responding to excess substrate. The effect of the chemostatic addition of specific microbial inocula to the refinery waste treatment plant has been to improve the overall organic removal capacity along with subsequent gains in plant stability.

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