相关实验视频

Updated: Feb 4, 2026

Transcranial Direct Current Stimulation for Online Gamers
06:01

Transcranial Direct Current Stimulation for Online Gamers

Published on: November 9, 2019

8.6K

在不受控制的痛风中纳米封装的西洛利木斯加佩加德里卡斯 (NASP):当前状态和未来方向

Herbert S B Baraf1, Naomi Schlesinger2, Vibeke Strand3

  • 1Rheumatology, The George Washington University, Washington, DC, USA. hsbbaraf@mac.com.

Drugs
|February 2, 2026
PubMed
概括

纳米封装的西罗和加酶 (NASP) 通过诱导免疫耐受性,减少抗药抗体和改善治疗结果,有效降低不受控制的痛风的血清尿酸.

更多相关视频

Transcranial Direct Current Stimulation tDCS in Mice11:54

Transcranial Direct Current Stimulation tDCS in Mice

Published on: September 23, 2018

15.2K
Simultaneous EEG Monitoring During Transcranial Direct Current Stimulation07:52

Simultaneous EEG Monitoring During Transcranial Direct Current Stimulation

Published on: June 17, 2013

40.4K

相关概念视频

Marcia's Theory of Identity Status01:26

Marcia's Theory of Identity Status

James Marcia's identity status model provides a framework for understanding how adolescents navigate identity formation through varying degrees of exploration and commitment. Marcia's model builds on Erik Erikson's theories of psychosocial development, focusing specifically on how adolescents reconcile individual aspirations with societal expectations. His model describes identity formation as a dynamic process where adolescents move between different states depending on their level...
1.6K
Electrical Current01:10

Electrical Current

Electrical current is defined as the rate at which charge flows. When there is a large current present, such as that used to run a refrigerator, a large amount of charge moves through the wire in a small amount of time. If the current is small, such as that used to operate a handheld calculator, a small amount of charge moves through the circuit over a long period of time. The SI unit for current is the ampere (A), named for the French physicist André-Marie Ampère (1775–1836).
7.2K
Directing Effect of Substituents: meta-Directing Groups01:09

Directing Effect of Substituents: meta-Directing Groups

Substituents on the benzene ring that direct an incoming electrophile to undergo substitution at the meta position are called meta directors. All meta directors either have a positive charge on the atom directly bonded to the ring or a partial positive charge. These groups function by withdrawing electrons from the ring through inductive and resonance effects. Consider the carbocation intermediates formed upon the addition of an electrophile on nitrobenzene at the...
6.0K
Current Density01:21

Current Density

The total amount of current flowing through one unit value of a cross-sectional area is referred to as current density. If the current flow is uniform, the amount of current flowing through a conductor is the same at all points along the conductor, even if the conductor area varies. The current density consists of the local magnitude and direction of the charge flow, which varies from point to point. Current density is measured in amperes per meter square, and direction is defined as the net...
5.1K
Eddy Currents01:25

Eddy Currents

Since eddy currents occur only in conductors, magnets can separate metals from other materials. For example, in a recycling center, trash is dumped in batches down a ramp, beneath which lies a powerful magnet. Conductors in the trash are slowed by eddy currents, while nonmetals in the trash move on, separating from the metals. This works for all metals, not just ferromagnetic ones.
Other major applications of eddy currents appear in metal detectors and the braking systems of trains and roller...
2.6K
Displacement Current01:19

Displacement Current

Ampère's law, in its usual form, does not work in places where the current changes with time and is not steady. Thus, Maxwell suggested including an additional contribution, called the displacement current, Id, to the real conduction current I.
3.8K