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相关概念视频

Machines: Problem Solving II01:30

Machines: Problem Solving II

336
Machines are complex structures consisting of movable, pin-connected multi-force members that work together to transmit forces. Consider a lifting tong carrying a 100 kg load. It comprises movable sections DAF and CBG linked together with member AB.
336
Impact: Problem Solving01:26

Impact: Problem Solving

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In an experiment conducted during a Mars mission, a rover propels a projectile with an initial velocity, and the projectile rebounds after colliding with the Martian surface. To ascertain the maximum height attained by the projectile after this collision, the known restitution coefficient and acceleration due to gravity are employed.
By designating the launch point as the origin and utilizing kinematic equations, the vertical component of the projectile's velocity at the point of impact is...
247
Statically Indeterminate Problem Solving01:16

Statically Indeterminate Problem Solving

455
Statically indeterminate problems are those where statics alone can not determine the internal forces or reactions. Consider a structure comprising two cylindrical rods made of steel and brass. These rods are joined at point B and restrained by rigid supports at points A and C. Now, the reactions at points A and C and the deflection at point B are to be determined. This rod structure is classified as statically indeterminate as the structure has more supports than are necessary for maintaining...
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Machines: Problem Solving I01:22

Machines: Problem Solving I

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A toggle clamp is a mechanical device commonly used for holding and clamping objects in various applications, such as woodworking, metalworking, and assembly operations. Consider a toggle clamp subjected to a force of 200 N at the handle. The vertical clamping force can be calculated, provided the dimensions of the toggle clamp are known.
The toggle clamp system is a machine structure consisting of movable, pin-connected multi-force members that form a stabilized system to transmit forces. The...
356
Trial and Error and Algorithm01:12

Trial and Error and Algorithm

148
A problem-solving strategy is a plan of action used to find a solution. Different strategies have distinct action plans. Trial and error involves trying different solutions until one works. For instance, to fix a broken printer, you might check ink levels, ensure the paper tray isn't jammed, and verify the printer's connection to your laptop. This method can be time-consuming but is commonly used. Thomas Edison, for example, used trial and error to find a suitable filament for the light...
148
Method of Sections: Problem Solving II01:30

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Consider an arbitrary truss structure composed of diagonal, vertical, and horizontal members fixed to the wall. To calculate the force acting on members CB, GB, and GH, method of sections can be used. The loads and lengths of the horizontal and vertical members are known parameters, as shown in the figure.
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Setup and Execution Of the Blindfolded Code Training Exercise
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在儿科居民模拟代码会议期间优化教育.

Elise Zimmerman1, Shannon S Wai2, Kathryn A Hollenbach1

  • 1From the Rady Children's Hospital-San Diego, University of California San Diego, San Diego, CA.

Pediatric emergency care
|July 18, 2023
PubMed
概括
此摘要是机器生成的。

儿科住院医生在模拟代码模拟后获得了管理儿科心脏骤停的知识和信心. 与单独模拟相比,增加正规教育并没有显著改善这些结果.

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科学领域:

  • 医学教育 医学教育
  • 儿科急救医学 儿科急救医学
  • 基于模拟的学习

背景情况:

  • 儿科住院医生往往缺乏足够的经验来管理儿科心脏骤停.
  • 基于模拟的培训对于在居民工作时间限制范围内获得高收益的教育至关重要.
  • 这项研究调查了与模拟代码会议集成的不同形式教育的影响.

研究的目的:

  • 为了评估增加正规教育对儿科住院医生模拟代码模拟的有效性.
  • 在不同教育模式中比较儿科心脏骤停管理的知识和信心水平.
  • 为了确定是否增加正规教育提高了居民对心脏骤停情景的准备能力.

主要方法:

  • 95名儿科住院医生参加了一个标准化的模拟代码模拟,用于儿科心脏病发作情景.
  • 居民被分为三组:仅经验,传统 (教育后) 和强化 (教育前后).
  • 根据美国心脏协会的指导方针,使用前后测试来评估知识和信心.

主要成果:

  • 所有居民在模拟后的知识 (中位数增加2分) 和信心 (中位数增加4分) 均显著改善.
  • 不同的教育模式之间在知识或信心增长方面没有观察到统计学意义上的差异.
  • 正式教育的数量或时间没有影响观察到的改善.

结论:

  • 参与模拟代码模拟有效地提高了儿科住院医生的心脏骤停管理知识和信心.
  • 在模拟之前或之后整合正式的教育课程不会产生显著更大的改进.
  • 仅仅是模拟似乎是一个足够的方法来提高住户准备在儿科紧急情况下的场景.