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相关概念视频

Types of Step-Growth Polymers: Polyesters01:20

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The introduction of polyesters has brought major development to the textile industry. The wrinkle-free behavior of polyester blends has eliminated the need for starching and ironing clothes.
Polyesters are commonly prepared from terephthalic acid and ethylene glycol; the crude product is known as poly(ethylene terephthalate) or PET. However, polyesters are synthesized industrially by transesterification of dimethyl terephthalate with ethylene glycol at 150 °C. The two reactants and the...
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Plasticizers01:31

Plasticizers

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Water-reducers, or plasticizers, are chemical admixtures used in concrete to improve strength and workability. These additives reduce the water-cement ratio without compromising workability, lower the cement content while maintaining the same workability, or increase workability to assist concrete placement in inaccessible areas.
Plasticizers function by using surface-active agents to create repulsive electrostatic forces between cement particles. This dispersion enhances the concrete's...
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相关实验视频

Updated: Jul 18, 2025

The Effect of Construction and Demolition Waste Plastic Fractions on Wood-Polymer Composite Properties
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一个可持续的绿色反向物流计划用于塑料固体废物管理,使用TOPSIS方法.

Dipanjana Sengupta1, Amrit Das2, Uttam Kumar Bera3

  • 1School of Management, National Institute of Technology Agartala, Agartala, Tripura, India.

Environmental science and pollution research international
|August 19, 2023
PubMed
概括

这项研究优化了塑料废物回收利用反向物流和多标准决策方法. 它提出了一种在再制造过程中最大限度地降低成本和碳排放的模型,为环境可持续性提供了有希望的结果.

关键词:
塑料固体废弃物 塑料固体废弃物反向物流就是反向物流.可持续的资源利用 可持续的资源利用这里是TOPSIS的地图.

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Isolation of Native Soil Microorganisms with Potential for Breaking Down Biodegradable Plastic Mulch Films Used in Agriculture
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科学领域:

  • 环境科学 环境科学
  • 供应链管理 供应链管理
  • 运营研究 运营研究

背景情况:

  • 发展中国家塑料废物管理不善加剧了社会经济和环境问题.
  • 通过回收利用有效利用资源对于可持续发展至关重要.
  • 反向物流对于供应链管理中的废物回收至关重要.

研究的目的:

  • 通过反向物流管理来调查塑料废物回收利用.
  • 通过采用多标准决策方法来选择废物再制造的最佳仓库位置.
  • 开发一个数学模型,在再制造过程中尽量减少总成本和碳排放.

主要方法:

  • 通过与理想解决方案相似的订单偏好技术 (TOPSIS) 应用于仓库选择.
  • 开发一个数学模型,以尽量减少总成本和碳排放.
  • 印度特里普拉邦塑料再制造业的案例研究分析.

主要成果:

  • 决策支持系统被编程为从案例研究中获得的现实数据.
  • 该模型的总成本为卢比. 2894.37和总排放量为414.15gm/lt (包括处置成本).
  • 如果不包括处置成本,总成本为卢比. 2668.69和排放量为413.54gm/lt.

结论:

  • 结果表明,减少碳排放和塑料废物回收的成本是一种有希望的方法.
  • 该研究提供了一个框架,以减轻塑料废物和工业碳排放带来的环境威胁.
  • 提出了管理层的见解和分析,以支持可持续的塑料再制造实践.