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

Steady State Concentration01:05

Steady State Concentration

A steady state refers to the level of a drug in the body once it has reached an equilibrium between administration and elimination. It represents the point at which the drug administration rate equals the drug elimination rate, resulting in a relatively constant concentration in the body over time. The dynamic equilibrium is crucial to ensure the drug's effectiveness with minimal risk of toxicity.
Most drugs are administered in repeated doses at fixed intervals or through continuous intravenous...
The Colloidal State01:29

The Colloidal State

The formation of a colloidal system is exemplified by an aqueous solution containing Cl− ions is introduced to another containing Ag+ ions, resulting in the precipitation of solid AgCl as extremely tiny crystals. Instead of settling out as a filterable precipitate, these crystals remain suspended in the liquid, showcasing a colloidal system.A colloidal system involves colloidal particles within the approximate range of 1 to 1000 nm in at least one dimension, dispersed in a medium called the...
Pole and System Stability01:24

Pole and System Stability

The transfer function is a fundamental concept representing the ratio of two polynomials. The numerator and denominator encapsulate the system's dynamics. The zeros and poles of this transfer function are critical in determining the system's behavior and stability.
Simple poles are unique roots of the denominator polynomial. Each simple pole corresponds to a distinct solution to the system's characteristic equation, typically resulting in exponential decay terms in the system's response.
Stability01:28

Stability

The time response of a linear time-invariant (LTI) system can be divided into transient and steady-state responses. The transient response represents the system's initial reaction to a change in input and diminishes to zero over time. In contrast, the steady-state response is the behavior that persists after the transient effects have faded.
The stability of an LTI system is determined by the roots of its characteristic equation, known as poles. A system is stable if it produces a bounded...
Masonry in Cold and Hot Weather Conditions01:21

Masonry in Cold and Hot Weather Conditions

In cold weather, masonry construction requires specific precautions to ensure mortar does not freeze before curing, as this can significantly weaken its strength and watertightness. Mortar temperature should be maintained between 60°F and 80°F to support proper hydration and curing. Below 40°F, mortar water must be heated, but should not exceed 120°F as high temperatures can reduce mortar's compressive and bond strength.
Other key practices include keeping masonry units and sand dry and...
Cold Weather Concreting01:27

Cold Weather Concreting

When freshly poured concrete is exposed to freezing temperatures before it has set, the water within the concrete can freeze. This expansion disrupts the setting process, delays chemical reactions necessary for hardening, and increases the volume of pores within the hardened concrete, which weakens its overall structure. If the concrete manages to reach an appreciable strength before it freezes, the damage can be somewhat mitigated.
To counteract the negative impacts of cold weather, ensuring...

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

...Dr. Allison responds-.

Anesthesia progress·2009
Same author

Anesthesia Limited Practice in Dentistry: The Gross and Net in Office Anesthesia.

Journal of the American Dental Society of Anesthesiology·2009
Same author

Relation between anthropometric measures of fat distribution and cardiovascular risk factors in overweight pre- and postmenopausal women.

The American journal of clinical nutrition·1997
Same author

Thought suppression and smoking relapse: a secondary analysis of Haaga (1989).

The British journal of clinical psychology·1994
Same author

'Lectures were once useful'.

The Ohio dental journal·1986
Same author

The American Dental Society of Anesthesiology--a heritage continues.

Journal of the American Dental Association (1939)·1979

相关实验视频

Updated: Jul 5, 2026

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving
11:21

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

Published on: March 30, 2017

在堪萨斯州保持冷静.

M L Allison

    Science (New York, N.Y.)
    |November 30, 1999
    PubMed
    概括

    No abstract available in PubMed .

    更多相关视频

    Continuous Hydrologic and Water Quality Monitoring of Vernal Ponds
    06:37

    Continuous Hydrologic and Water Quality Monitoring of Vernal Ponds

    Published on: November 13, 2017

    Achieving Moderate Pressures in Sealed Vessels Using Dry Ice As a Solid CO2 Source
    06:26

    Achieving Moderate Pressures in Sealed Vessels Using Dry Ice As a Solid CO2 Source

    Published on: August 17, 2018

    相关实验视频

    Last Updated: Jul 5, 2026

    Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving
    11:21

    Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

    Published on: March 30, 2017

    Continuous Hydrologic and Water Quality Monitoring of Vernal Ponds
    06:37

    Continuous Hydrologic and Water Quality Monitoring of Vernal Ponds

    Published on: November 13, 2017

    Achieving Moderate Pressures in Sealed Vessels Using Dry Ice As a Solid CO2 Source
    06:26

    Achieving Moderate Pressures in Sealed Vessels Using Dry Ice As a Solid CO2 Source

    Published on: August 17, 2018