Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Modeling and Similitude01:12

Modeling and Similitude

105
Scaled modeling is a fundamental technique in engineering, enabling the study of large and complex systems by creating smaller, manageable replicas that recreate critical characteristics of the original. In hydrology and civil infrastructure, for example, scaled models of dams help analyze water flow, turbulence, and pressure. This method allows for accurate predictions of real-world behavior within a controlled environment, significantly reducing the cost and time involved in full-scale...
105
Hydrogen Bonds00:26

Hydrogen Bonds

119.9K
Hydrogen bonds are weak attractions between atoms that have formed other chemical bonds. One of these atoms is electronegative, like oxygen, and has a partial negative charge. The other is a hydrogen atom that has bonded with another electronegative atom and has a partial positive charge.
Hydrogen Bonds Control the World!
Because hydrogen has very weak electronegativity when it binds with a strongly electronegative atom, such as oxygen or nitrogen, electrons in the bond are unequally shared....
119.9K
Energy Line and Hydraulic Gradient Line01:27

Energy Line and Hydraulic Gradient Line

499
Based on Bernoulli's equation, the energy line (EL) and hydraulic grade line (HGL) provide graphical representations of energy distribution in a fluid flow system. For steady, incompressible, inviscid flows, Bernoulli's equation is expressed as:
499
Typical Model Studies01:30

Typical Model Studies

132
Fluid mechanics model studies often utilize scaled-down systems to predict fluid behavior in full-scale environments, such as river flows, dam spillways, and structures interacting with open surfaces. Maintaining Froude number similarity in river models is crucial, as it replicates surface flow features like wave patterns and velocities.
132
Combustion Energy: A Measure of Stability in Alkanes and Cycloalkanes02:14

Combustion Energy: A Measure of Stability in Alkanes and Cycloalkanes

6.2K
The low reactivity in alkanes can be attributed to the non-polar nature of C–C and C–H σ bonds. Alkanes, therefore, were  initially termed as “paraffins,” derived from the Latin words: parum, meaning “too little,” and affinis, meaning “affinity.”
Alkanes undergo combustion in the presence of excess oxygen and high-temperature conditions to give carbon dioxide and water. A combustion reaction is the energy source in natural gas, liquified...
6.2K
Reduction of Alkenes: Catalytic Hydrogenation02:13

Reduction of Alkenes: Catalytic Hydrogenation

11.6K
Alkenes undergo reduction by the addition of molecular hydrogen to give alkanes. Because the process generally occurs in the presence of a transition-metal catalyst, the reaction is called catalytic hydrogenation.
Metals like palladium, platinum, and nickel are commonly used in their solid forms — fine powder on an inert surface. As these catalysts remain insoluble in the reaction mixture, they are referred to as heterogeneous catalysts.
The hydrogenation process takes place on the...
11.6K

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Hypertension and myocardial fibrosis: A systematic review and meta-analysis.

Clinical radiology·2026
Same author

Butyrate enhances recovery of chemotherapy-induced oral mucositis by enhancing tight junction protein expression and inhibiting inflammatory responses.

Medicina oral, patologia oral y cirugia bucal·2025
Same author

Prehabilitation of Patients With Oesophageal Malignancy Undergoing Peri-Operative Treatment (Pre-EMPT): Outcomes From a Prospective Controlled Trial.

Journal of surgical oncology·2025
Same author

The promise of layer-specific neuroimaging for testing predictive coding theories of psychosis.

Schizophrenia research·2020
Same author

Effect of broiler genetics, age, and gender on performance and blood chemistry.

Heliyon·2020
Same author

Why women are not small men: sex-related differences in perioperative cardiopulmonary exercise testing.

Perioperative medicine (London, England)·2020

相关实验视频

Updated: May 7, 2025

Hydrogen Production and Utilization in a Membrane Reactor
10:00

Hydrogen Production and Utilization in a Membrane Reactor

Published on: March 10, 2023

2.2K

建模市场:能源系统模型发展现状和脱碳化场景结果

M W Melaina1, C S Lenox2, M Browning3

  • 1Boston Government Services, LLC., Oak Ridge, TN, USA.

Energy and climate change
|January 6, 2025
PubMed
概括

是重工业脱碳的关键能源载体,但能源系统模型显示其市场吸收的结果高度变化. 协调模型输入对于一致的气未来预测至关重要.

关键词:
深度去碳化是非常重要的.能源系统 能源系统的能量是的能量,的能量是的能量.模型比较模型比较

更多相关视频

Author Spotlight: Design and Evaluation of Au-Electroplated Carbon Fiber Cloth Electrodes for Hydrogen Peroxide Fuel Cells
06:39

Author Spotlight: Design and Evaluation of Au-Electroplated Carbon Fiber Cloth Electrodes for Hydrogen Peroxide Fuel Cells

Published on: October 20, 2023

2.6K
Experimental Methods for Efficient Solar Hydrogen Production in Microgravity Environment
11:38

Experimental Methods for Efficient Solar Hydrogen Production in Microgravity Environment

Published on: December 3, 2019

7.5K

相关实验视频

Last Updated: May 7, 2025

Hydrogen Production and Utilization in a Membrane Reactor
10:00

Hydrogen Production and Utilization in a Membrane Reactor

Published on: March 10, 2023

2.2K
Author Spotlight: Design and Evaluation of Au-Electroplated Carbon Fiber Cloth Electrodes for Hydrogen Peroxide Fuel Cells
06:39

Author Spotlight: Design and Evaluation of Au-Electroplated Carbon Fiber Cloth Electrodes for Hydrogen Peroxide Fuel Cells

Published on: October 20, 2023

2.6K
Experimental Methods for Efficient Solar Hydrogen Production in Microgravity Environment
11:38

Experimental Methods for Efficient Solar Hydrogen Production in Microgravity Environment

Published on: December 3, 2019

7.5K

科学领域:

  • 能源系统分析 能源系统分析
  • 气候变化缓解缓解 气候变化缓解
  • 经济 经济

背景情况:

  • 提供了一条减少温室气体排放的途径,用于运输和工业等难以脱碳的行业.
  • 现有的能源系统模型难以准确地代表技术,导致不一致的脱碳化场景结果.

研究的目的:

  • 在斯坦福能源建模论坛 (EMF37) 中分析15个能源系统模型的发展状况和脱碳化场景结果.
  • 确定导致市场采用预测变化的关键因素.

主要方法:

  • 对参与EMF37.7的15个能源系统模型进行比较分析.
  • 检查模型输入,最终用途市场的范围和技术假设.
  • 在各种脱碳化场景下对2050年市场采用结果的评估.

主要成果:

  • 在不同模型中,技术的表现,市场范围和输入假设存在显著的变化.
  • 大多数模型预测,随着更严格的脱碳约束,气吸收增加,但有些需要高碳价格.
  • 市场的成功显示出与直接捕获空气 (DAC) 和碳捕获和储存 (CCS) 技术的反向关系.

结论:

  • 能源系统模型给出了不同的市场吸收预测,从10MMT以下到2050年潜在的42-223MMT的上限.
  • 在能源系统模型中协调输入假设和竞争范围对于实现更一致和可靠的结果至关重要.
  • 为了准确预测在未来能源系统中的作用,需要在建模方法中进行进一步的研究和标准化.