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相关概念视频

Social Traps01:41

Social Traps

22.3K
Social traps are negative situations where people get caught in a direction or relationship that later proves to be unpleasant, with no easy way to back out of or avoid. The concept was orignally introduced by John Platt who applied psychology to Garrett Hardin's "Tragedy of the Commons", where in New England herd owners could let their cattle graze in the common ground. This situation seems like a good idea, but an individual could have an advantage. If they owned...
22.3K
Short-distance Transport of Resources02:12

Short-distance Transport of Resources

15.6K
Short-distance transport refers to transport that occurs over a distance of just 2-3 cells, crossing the plasma membrane in the process. Small uncharged molecules, such as oxygen, carbon dioxide, and water, can diffuse across the plasma membrane on their own. In contrast, ions and larger molecules require the assistance of transport proteins due to their charge or size. Transport across membranes also occurs within individual cells, playing a variety of essential roles for the plant as a whole.
15.6K
Capillary Exchange01:28

Capillary Exchange

3.8K
The cardiovascular system's chief role is to disseminate gases, nutrients, waste, and other substances to the body's cells. Small molecules like gases, lipids, and lipid-soluble substances directly diffuse through capillary wall endothelial cell membranes. Glucose, amino acids, and ions, including sodium, potassium, calcium, and chloride, use transporters for facilitated diffusion via membrane-specific channels. Glucose, ions, and bigger molecules may also pass through intercellular...
3.8K
Local Attraction01:22

Local Attraction

43
Local attraction refers to disturbances in compass readings caused by magnetic influences from nearby objects such as metal fences, buried pipes, vehicles, buildings, power lines, or natural iron ore deposits. Small items like wristwatches, steel tools, or belt buckles can also interfere with the compass by creating local magnetic fields that distort the Earth's natural magnetic field. These distortions lead to inaccurate readings, posing navigation and land surveying challenges.Local...
43
Social Loafing01:37

Social Loafing

34.7K
Another way in which a group presence can affect performance is social loafing—the exertion of less effort by a person working together with a group. Social loafing occurs when our individual performance cannot be evaluated separately from the group. Thus, group performance declines on easy tasks (Karau & Williams, 1993). Essentially individual group members loaf and let other group members pick up the slack. Because each individual’s efforts cannot be evaluated,...
34.7K
The Availability Heuristic01:08

The Availability Heuristic

5.9K
A heuristic is a general problem-solving framework (Tversky & Kahneman, 1974). You can think of these as mental shortcuts that are used to solve problems. Different types of heuristics are used in different types of situations, and the impulse to use a heuristic occurs when one of five conditions is met (Pratkanis, 1989):
5.9K

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相关实验视频

Updated: Jun 12, 2025

Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street
14:55

Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street

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超级聚合私人旅行到高占用性交通中,就像有吸引力的共享乘车一样.

Rafał Kucharski1, Oded Cats2

  • 1Faculty of Mathematics and Computer Science, Jagiellonian University, Krakow, Poland.

Npj sustainable mobility and transport
|September 20, 2024
PubMed
概括

超聚合乘坐提供了一个高效的,需求驱动的单人旅行替代方案. 这种新的乘车共享战略大大减少了城市地区的车辆使用时间和排放量.

科学领域:

  • 运输科学 运输科学
  • 运营研究 运营研究
  • 城市规划 城市规划

背景情况:

  • 高级的乘车共享在计算上具有挑战性,因为解决方案空间很大.
  • 现有的乘车共享模式在复杂的城市需求的效率和可扩展性方面扎.

研究的目的:

  • 推出"超共享乘车"作为一种新,高效的乘车共享解决方案.
  • 开发一种方法来识别城市旅行模式中的超聚合乘坐.
  • 与单人旅行相比,展示超集团乘坐的效率增长.

主要方法:

  • 开发一种算法,用于识别超聚合的乘车机会.
  • 模拟城市需求模式以测试算法.
  • 分析车辆使用时间,占用率和乘客满意度.

主要成果:

  • 从阿姆斯特丹的2000次旅行中为225名旅行者生成了40个超级聚合的游乐设施.
  • 车辆所需时间减少了六倍,从52.5 (单人) 减少到9 (超群).
  • 实现了平均车辆占用率为5.8,最高占有14.

结论:

  • 超集体乘车为城市交通提供了可扩展和高效的解决方案.
关键词:
复杂的网络是一个复杂的网络.地理 地理 地理 地理.

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  • 这种以需求为导向的方法优化了所有乘客的行程,提高了乘车共享的可行性.
  • 显著减少车辆使用量证明了环境和经济效益的潜力.