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相关概念视频

Electron Transport Chains01:28

Electron Transport Chains

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The final stage of cellular respiration is oxidative phosphorylation that consists of two steps: the electron transport chain and chemiosmosis. The electron transport chain is a set of proteins found in the inner mitochondrial membrane in eukaryotic cells. Its primary function is to establish a proton gradient that can be used during chemiosmosis to produce ATP and generate electron carriers, such as NAD+ and FAD, that are used in glycolysis and the citric acid cycle.
The ETC is comprised of...
113.1K
The Electron Transport Chain01:30

The Electron Transport Chain

20.3K
The electron transport chain or oxidative phosphorylation is an exothermic process in which free energy released during electron transfer reactions is coupled to ATP synthesis. This process is a significant source of energy in aerobic cells, and therefore inhibitors of the electron transport chain can be detrimental to the cell's metabolic processes.
Inhibitors of the electron transport chain
Rotenone, a widely used pesticide, prevents electron transfer from Fe-S cluster to ubiquinone or Q...
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Electron Transport Chain: Complex I and II01:46

Electron Transport Chain: Complex I and II

19.1K
The mitochondrial electron transport chain (ETC) is the main energy generation system in the eukaryotic cells. However, mitochondria also produce cytotoxic reactive oxygen species (ROS) due to the large electron flow during oxidative phosphorylation. While Complex I is one of the primary sources of superoxide radicals, ROS production by Complex II is uncommon and may only be observed in cancer cells with mutated complexes.
ROS generation is regulated and maintained at moderate levels necessary...
19.1K
Electron Transport Chain Components01:29

Electron Transport Chain Components

1.0K
The electron transport chain (ETC) is a crucial metabolic pathway that facilitates energy conversion in prokaryotic and eukaryotic cells. In eukaryotes, the ETC comprises four membrane-associated protein complexes in the inner mitochondrial membrane. In prokaryotes, the ETC in the plasma membrane can vary in composition, with fewer or different complexes depending on the organism and environmental conditions. These complexes transfer electrons from electron donors, such as NADH and FADH2, to...
1.0K
Reinforcement Schedules01:24

Reinforcement Schedules

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Positive reinforcement is a powerful method for teaching new behaviors to both animals and humans. B.F. Skinner demonstrated this with his experiments using rats in a Skinner box. When a rat pressed a lever, it received a food pellet. This immediate reward encouraged the rat to repeat the behavior. This method, where a reward follows every instance of the behavior, is known as continuous reinforcement. It is highly effective for establishing new behaviors quickly.
Once a behavior is learned,...
532
Electron Transport Chain: Complex III and IV01:43

Electron Transport Chain: Complex III and IV

9.3K
During the electron transport chain, electrons from NADH and FADH2 are first transferred to complexes I and II, respectively. These two complexes then transfer the electrons to ubiquinol, which carries them further to complex III. Complex III passes the electrons across the intermembrane space to Cyt c, which carries them further to complex IV. Complex IV donates electrons to oxygen and reduces it to water. As electrons pass through complexes I, III, and IV, the energy released aids the pumping...
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Hybrid Clear/Blue Native Electrophoresis for the Separation and Analysis of Mitochondrial Respiratory Chain Supercomplexes
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Hybrid Clear/Blue Native Electrophoresis for the Separation and Analysis of Mitochondrial Respiratory Chain Supercomplexes

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一种混合优化算法,用于增强物联网支持供应链中的运输和物流调度.

Alaa Abdalqahar Jihad1, Ahmed Subhi Abdalkafor2, Esam Taha Yassen2

  • 1Computer Center, University of Anbar, Ramadi 31001, Iraq.

Sensors (Basel, Switzerland)
|February 13, 2026
PubMed
概括

一个新的双向PRS-SA优化策略显著改善了物联网集成供应链物流. 这种方法增强了实时决策,在15-25%的性能上优于现有的方法,从而提高了运输和配送管理的效率.

关键词:
支持物联网的供应链供应链.混合优化算法混合优化算法运营效率 运营效率 运营效率 运营效率 运营效率镜折射搜索 (PRS) 是一种搜索方式.运输和物流的调度安排.

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Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm
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科学领域:

  • 供应链管理 供应链管理
  • 运营研究 运营研究
  • 物联网 (IoT) 的物联网 (IoT) 的物联网.

背景情况:

  • 支持物联网的供应链对于实时数据处理和知情决策至关重要,以减少物流成本.
  • 优化运输和物流安排仍然具有挑战性,因为需要平衡需求,车辆容量和交货时间.

研究的目的:

  • 评估物联网集成物流中的优化算法 (DE,GA,SA,PRS) 的性能.
  • 引入一种新的综合优化策略,双向PRS-SA (Bi-PRS-SA),用于增强物流调度.
  • 提出一个概念框架,将Bi-PRS-SA集成到物联网中,以实现动态供应链管理.

主要方法:

  • 评估了四种优化算法:微分进化 (DE),遗传算法 (GA),模拟化 (SA) 和镜折射搜索 (PRS).
  • 开发了一种混合双向PRS-SA (Bi-PRS-SA) 优化方法,结合全球和本地搜索功能.
  • 在物联网生态系统中提出了动态供应链管理的框架.

主要成果:

  • 与DE,GA,SA和PRS相比,Bi-PRS-SA战略表现优异,实现了15-25%的改进.
  • 使用威尔科克森签名等级测试进行的统计验证证实了改善的意义 (p < 0.05).

结论:

  • Bi-PRS-SA框架为物联网环境中的实时物流管理提供了强大而可扩展的解决方案.
  • 这种混合方法有效平衡全球和本地搜索,从而在供应链运营中显著提高效率.