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HOW WIDTH AND COLOR VARIABLES OF GREENWAYS AFFECT USER SATISFACTION 绿道的宽度和颜色变量如何影响用户满意度
IF 1.1 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES Pub Date : 2023-01-01 DOI: 10.30638/eemj.2023.006
Huixing Song, Jialu Song, Lan Luo, Yixuan Wu, Qin Zeng, Yanzuo Zhou
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引用次数: 0
AN EMPRICAL STUDY ON THE ROLE OF NEW ENERGY TRANSFORMATION AND UPGRADING IN PROMOTING CHINA'S ECONOMY 新能源转型升级对中国经济促进作用的实证研究
IF 1.1 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES Pub Date : 2023-01-01 DOI: 10.30638/eemj.2023.014
Jian Yang, Yanan Wu
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引用次数: 0
ENVIRONMENTAL EVALUATION OF URBAN AIR POLLUTION ABATEMENT BASED ON DEA AND TOPSIS METHODS 基于dea和topsis方法的城市大气污染治理环境评价
4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES Pub Date : 2023-01-01 DOI: 10.30638/eemj.2023.084
Ran Li
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引用次数: 0
PRELIMINARY ENVIRONMENTAL MONITORING AND ASSESMENT OF THE TROPHIC STATUS OF PONDS IN TURKEY 土耳其池塘营养状况的初步环境监测和评价
IF 1.1 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES Pub Date : 2023-01-01 DOI: 10.30638/eemj.2023.011
Arzu Morkoyunlu Yuce
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引用次数: 0
SPATIO-TEMPORAL ANALYSIS OF LAND USE AND LAND COVER CHANGES IN BOGACAYI WATERSHED IN A TOURISTIC REGION IN TURKEY 土耳其旅游区bogacayi流域土地利用/覆被时空变化分析
IF 1.1 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES Pub Date : 2023-01-01 DOI: 10.30638/eemj.2023.016
Betül Uygur Erdoğan, Onur Borcen Salis
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引用次数: 0
END-OF-LIFE VEHICLES ASSESSMENT OF THE AUTOMOBILE INDUSTRY USING REVERSE LOGISTICS SUPPLY CHAIN AND MACHINE LEARNING ALGORITHMS 利用逆向物流供应链和机器学习算法对汽车行业报废车辆进行评估
IF 1.1 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES Pub Date : 2023-01-01 DOI: 10.30638/eemj.2023.018
S. Karunakaran, Narayanan Ramasamy, Manoharan Dev Anand, N. Santhi
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引用次数: 0
DO GREEN BONDS RESTRAIN CORPORATE FINANCIALIZATION? 绿色债券是否抑制了企业的金融化?
IF 1.1 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES Pub Date : 2023-01-01 DOI: 10.30638/eemj.2023.034
Yuankun Li, Chaobo Zhou, Shaozhou Qi
With the growth of the number and financing scale of green bonds, the economic performance of green bonds has become a hot issue of social concern and academic research. As a policy tool, green bonds can influence the business strategy of enterprises. Taking green bonds as an example, this study tests the inhibitory effect of green finance on corporate financialization using a difference-in-difference model. The results show the following: (1) green bonds can significantly inhibit the financialization level of issuers; (2) research and development expenditure of corporate entities is an intermediary way for green bonds to restrain corporate financialization; and (3) heterogeneity test found that the inhibitory effect of green bonds on the corporate financialization of issuing corporates was mainly reflected in state-owned corporates, heavily polluting ones and those with high equity incentive. The study clearly identifies the causal relationship and mechanism between green bonds and corporate financialization, and provides a new perspective for understanding the formation mechanism and solution path of corporate financialization from the perspective of green finance. Therefore, it is necessary to promote green bonds, ultimately helping to achieve green development.
随着绿色债券数量和融资规模的增长,绿色债券的经济绩效已成为社会关注和学术界研究的热点问题。绿色债券作为一种政策工具,可以影响企业的经营战略。本研究以绿色债券为例,运用差中差模型检验绿色金融对企业金融化的抑制作用。研究结果表明:(1)绿色债券能够显著抑制发行人的金融化水平;(2)企业研发支出是绿色债券抑制企业金融化的中介方式;(3)异质性检验发现,绿色债券对发行企业企业金融化的抑制作用主要体现在国有企业、重污染企业和股权激励较高的企业。本研究明确了绿色债券与企业金融化之间的因果关系和机制,为从绿色金融的角度理解企业金融化的形成机制和解决路径提供了新的视角。因此,有必要推广绿色债券,最终有助于实现绿色发展。
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引用次数: 0
ASSESSMENT OF GROUNDWATER QUALITY IN THE LOWER WADI OF THE NEKOR VALLEY, AL-HOCEIMA-MOROCCO 摩洛哥al - hoceima nekor河谷下游的地下水质量评价
IF 1.1 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES Pub Date : 2023-01-01 DOI: 10.30638/eemj.2023.031
Yahya El Hammoudani, F. Dimane, K. Haboubi, Abdelhak Bourjila, Chaimae Benaissa, Iliass Achoukhi, Chaimae Haboubi
For many purposes, water is a valuable and necessary natural resource. There are many uses for water. Its application calls for a good quality. The aim of this study is to assess the physico-chemical and bacteriological quality of wells in the area of Al Hoceima, Morocco. A number of 10 sampling points were studied. Several parameters were measured including pH, electric conductivity, dissolved oxygen, sodium, ammoniacal nitrogen, phosphate, temperature, nitrates, nitrates, sulfates, chlorides, and other bacteriological parameters as fecal coliforms, total coliforms, and fecal streptococci. Samples were found contaminated by pollution coming from agricultural origin regarding the concentrations of Clexceeding 2565.7 mg/L. Nitrites and nitrates levels were not of a concern. The majority of the wells were below the standards limits for human consumption.
在许多用途上,水是一种宝贵和必要的自然资源。水有很多用途。它的应用要求良好的质量。本研究的目的是评估摩洛哥Al Hoceima地区油井的物理化学和细菌质量。研究了10个采样点。测量了几个参数,包括pH、电导率、溶解氧、钠、氨态氮、磷酸盐、温度、硝酸盐、硝酸盐、硫酸盐、氯化物和其他细菌学参数,如粪便大肠菌群、总大肠菌群和粪便链球菌。样品被农业来源的污染物污染,其浓度超过2565.7 mg/L。亚硝酸盐和硝酸盐的含量不是问题。大多数水井的水质都低于人类饮用的标准限值。
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引用次数: 0
SUSTAINABLE MANUFACTURING: ENVIRONMENTAL STATISTICS AND MAPPING FOR PHARMACEUTICAL INDUSTRY 可持续制造:制药工业的环境统计和制图
IF 1.1 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES Pub Date : 2023-01-01 DOI: 10.30638/eemj.2023.042
U. Chaturvedi
The pharmaceutical industry has important reasons to adopt sustainability and reduce its environmental footprint. Joining the trend, the Indian pharmaceutical industry is also embracing a cleaner and greener transition and is adopting responsible manufacturing. Adoption of data-driven approaches like Life-Cycle Analysis (LCA) to understand the environmental footprint associated with synthesis of an Active Pharmaceutical Ingredient (API) can help the manufacturers to review and improve their legacy processes. Prioritizing process optimization can result in better environmental performance along with economic, social and competitive advantages. This paper presents a data-driven practical approach for implementing an LCA based method for making the production process greener while comparing environmental impacts under different categories. Accordingly, the approach and methodology adopted and the results highlighted are expected to give an idea to pharmaceutical manufacturing companies to innovate and optimize their approaches to enhance environmental performance within a set of system boundaries. The present study demonstrates 5% improvement in yield for Celecoxib (API) synthesis and the resulting improvement in environmental performance. The framework presents an alternative method to reduce waste, energy consumption and emissions to minimize the environmental burden. Accordingly, the system boundaries cover cradle-to-synthesis stages of the API manufacturing. The effectiveness and potential of using LCA in analyzing and optimizing the pharmaceutical manufacturing process alongside improving the environmental performance with higher yield has been shown. The need to integrate LCA methodology with product and process development has thus been shown. Process optimization through greener methods of API manufacturing can be guided by such framework studies.
制药行业有重要的理由采用可持续发展并减少其环境足迹。印度制药业也加入了这一趋势,正在向更清洁、更环保的转型,并采取负责任的生产方式。采用数据驱动的方法,如生命周期分析(LCA)来了解与活性药物成分(API)合成相关的环境足迹,可以帮助制造商审查和改进其遗留流程。优先优化过程可以带来更好的环境绩效以及经济、社会和竞争优势。本文提出了一种数据驱动的实用方法,用于实施基于LCA的方法,使生产过程更加绿色,同时比较不同类别下的环境影响。因此,所采用的方法和方法以及重点强调的结果有望为制药公司提供创新和优化其方法的想法,以在一组系统边界内提高环境绩效。本研究表明塞来昔布(API)的合成收率提高了5%,从而改善了环境性能。该框架提出了一种减少废物、能源消耗和排放的替代方法,以尽量减少环境负担。因此,系统边界涵盖了原料药制造的从摇篮到合成阶段。在分析和优化制药工艺的同时,利用生命周期分析(LCA)提高环境绩效和产率的有效性和潜力得到了证明。因此,需要将LCA方法与产品和过程开发相结合。通过更绿色的原料药制造方法进行工艺优化可以通过这样的框架研究来指导。
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引用次数: 0
ENERGY MINIMIZATION OF HYDROGEN PRODUCTION VIA BUTANOL STEAM REFORMING 丁醇蒸汽重整制氢的能源最小化
IF 1.1 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES Pub Date : 2023-01-01 DOI: 10.30638/eemj.2023.045
G. Pinto, C. Sotomonte, João Pereira, M. Francisco, Túlio de Souza, A. Julio, B. Bunya, Christian J. R. Coronado, J. Palácio, Guilherme Gomes
Steam reforming is currently the most common process for hydrogen production, but its use is mainly limited to fossil-based fuels such as natural gas. In an effort to diversify the hydrogen matrix, alternative sources have been considered, among which butanol appears as a potentially renewable source. The present study provides a detailed thermodynamic discussion about the operational parameters influencing hydrogen yield and heat consumption in an Aspen Plus® simulated cycle. The effect of key operational variables over hydrogen yield and heat duty was initially assessed through Response Surface Methodology (RSM) and later optimized with the Multi-Objective Lichtenberg Algorithm (MOLA). Results indicated that, for most of the operational range, reducing the steam/butanol molar ratio had a stronger influence on decreasing the heat duty required for optimal hydrogen production. The optimal temperature was kept at 800 °C even after the steam molar ratio reached lower values (4-4.5 mol/mol). At high temperatures and steam ratios, higher water gas shift temperatures were more efficient because they avoided unnecessary heat removal, despite losses in hydrogen production due to chemical equilibrium. The Pareto also presented a nearly vertical region, which indicated that hydrogen yield could not be significantly increased after 94.4%.
蒸汽重整是目前最常见的制氢工艺,但其用途主要限于天然气等化石燃料。为了使氢基质多样化,已经考虑了替代来源,其中丁醇似乎是一种潜在的可再生来源。本研究对Aspen Plus®模拟循环中影响氢气产率和热消耗的操作参数进行了详细的热力学讨论。关键操作变量对氢气产率和热负荷的影响最初通过响应面法(RSM)进行评估,随后使用多目标Lichtenberg算法(MOLA)进行优化。结果表明,在大多数操作范围内,降低蒸汽/丁醇摩尔比对降低最佳产氢所需的热负荷有更大的影响。当蒸汽摩尔比达到较低值(4 ~ 4.5 mol/mol)时,最佳温度保持在800℃。在高温和蒸汽比较高的情况下,较高的水气转换温度更有效,因为它们避免了不必要的热量排出,尽管化学平衡会导致氢气生产损失。Pareto也呈现出近似垂直的区域,表明在94.4%之后,产氢率不会显著提高。
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Environmental Engineering and Management Journal
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