The Sustainability Evaluation of Masks Based on the Integrated Rank Sum Ratio and Entropy Weight Method

Abstract

Due to the seriousness of COVID-19, masks are considered to be as a key and effective device to cut off the spread of viruses and are widely used by people, such as doctors and patients. Hundreds of millions of masks used worldwide in daily life will inevitably cause huge pollution and damage to the environment. However, existing research has not yet provided a method to simultaneously evaluate the economic, environmental, and social aspects of sustainable design of masks, which brings great barriers and challenges for designers to make sustainability decisions on masks and consumers’ behavioral decisions on mask purchases. Consequently, on the basis of principles of sustainability evaluation of masks, this work evaluates ten masks of different materials (including two newly designed masks) by using a novel hybrid of rank-sum ratio and entropy weight method. The results indicate that some disposable masks also show better sustainability than reusable masks, and in addition, the integrated rank-sum ratio and entropy weight method can effectively realize the sustainability evaluation of masks. The main contribution is to furnish an effective decision-making reference for sustainability evaluation of masks while greatly reducing the negative impacts of masks on the environment during the epidemic.

A grey comprehensive evaluation model for wheat quality incorporating PCA-EWM

“…To further compare the superiority-inferiority relationships of different batches of wheat, and to verify the reasonableness and accuracy of the results of wheat quality evaluation by the model in this paper, the ranking degree of each batch of wheat was measured using Equation 13 to obtain the ranking results of each batch of wheat quality by the PCA-EWM-grey system (GS) evaluation model constructed in this paper. Meanwhile, the PCA-EWM-TOPSIS evaluation model (Liu et al, 2021) and PCA-rank sum ratio (RSR) evaluation model (Lu et al, 2022) were used as comparative models to calculate and rank the superiority and inferiority relationships of each batch of wheat, respectively. Among them, the PCA-EWM-TOPSIS evaluation model used the similarity proximity C as the scoring basis, and the PCA-RSR evaluation model used the RSR value as the scoring basis.…”

Research on Risk Assessment of Enterprise Public Opinion in Cross Social Media Context and Sustainable Development Strategies

“…We used the entropy method and rank-sum ratio (RSR) method [57] to validate the model proposed in this research. We used the RSR method to divide the samples into four levels.…”

Fugitive Emission Characteristics of Fume and Dust from Short-Process Electric Furnace Tap Hole and Optimization of Dust Hood

“…Comprehensive evaluation is when a complex system is affected by multiple factors at the same time, the system is evaluated according to multiple relevant indicators, and multiple indicators are evaluated simultaneously through some special methods and weighted according to the importance of the indicators to make the evaluation results more scientific, comprehensive and systematic; this is now widely used in practice. At present, the commonly used methods for determining comprehensive weights mainly include the scoring method [20], the comprehensive index method [21], the rank sum ratio method [22], the Topsis method [23], the analytic hierarchy process method [24] and the fuzzy analysis method [25]. The results obtained by the comprehensive evaluation methods are not exactly the same, and each method has its own scope of application.…”