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单词 depolarize
例句 depolarize
This influx of positive ions causes the neuron to depolarize, generating an action potential. Fundamentals of Biology 2015-01-01T00:00:00Z
This inrush of Na+ first neutralizes the inside membrane, or depolarizes it, and then makes it slightly positive. College Physics for AP Courses 2015-08-12T00:00:00Z
When a neuronal membrane is depolarized to at least the threshold of excitation, an action potential is fired. Biology for AP Courses 2022-06-09T00:00:00Z
Because that ion is rushing out, any Na+ that tries to enter will not depolarize the cell, but will only keep the cell from hyperpolarizing. Anatomy and Physiology 2013-06-19T00:00:00Z
A centrist third party in New Jersey aims to depolarize politics without becoming a spoiler, Representative Tom Malinowski writes. Three War Scenarios 2022-07-06T04:00:00Z
Nothing in the story I’ve just told means that overturning Roe now will necessarily improve either liberalism or conservatism, reinvigorate democracy or depolarize our politics. Opinion | How Roe Warped the Republic 2022-05-07T04:00:00Z
The adjacent membrane depolarizes, affecting the membrane further down, and so on, as illustrated in Figure 20.33. College Physics for AP Courses 2015-08-12T00:00:00Z
A nerve impulse opens the Na+ channel, which makes Na+ enter the cell and depolarizes the membrane. Biology for AP Courses 2022-06-09T00:00:00Z
This group of cells is self-excitable and able to depolarize to threshold and fire action potentials on their own, a feature called autorhythmicity; they do this at set intervals which determine heart rate. Anatomy and Physiology 2013-06-19T00:00:00Z
Each strategy can take two forms: polarizing and depolarizing. Putin's war and the battle for democracy: How this conflict raises the global stakes 2022-04-03T04:00:00Z
The fact that state courts are increasingly at the center of a contest over the democratic process is significant, and it could be a model for depolarizing America’s political system. Opinion | How the Supreme Court’s gerrymandering ruling vindicated the wisdom of John Roberts 2022-03-10T05:00:00Z
There may be no greater depolarizing force on earth than a common enemy, and Russia’s murderous and erratic autocrat has given us one. The internet is a force multiplier for Ukraine 2022-03-01T05:00:00Z
As a result, the hair cell membrane is depolarized, and a signal is transmitted to the chochlear nerve. Biology for AP Courses 2022-06-09T00:00:00Z
Graded potentials can be depolarizing or hyperpolarizing and can summate to affect the probability of the neuron reaching threshold. Anatomy and Physiology 2013-06-19T00:00:00Z
“In 2020, the country wanted a nice guy who would move to the center and depolarize our politics,” he said. Paul Ryan Critiques Trump’s Grip on the Republican Party 2021-05-27T04:00:00Z
The new president’s main task will be “to depolarize the country,” said Grace M. Jaramillo, an adjunct professor at the University of British Columbia whose research includes Latin America. Ecuador picks conservative for president; Peru eyes runoff 2021-04-11T04:00:00Z
Ciaran O’Connor, spokesman for New York-based Braver Angels, which seeks to depolarize American politics, said people need to talk to each other, not retreat from tough conversations, as they fight for what they believe in. Experts: Police brutality, racism pushing Black anxiety 2020-11-01T04:00:00Z
Once the sodium channels open, the neuron completely depolarizes to a membrane potential of about +40 mV. Biology for AP Courses 2022-06-09T00:00:00Z
This will depolarize the hair cell membrane, triggering nerve impulses that travel down the afferent nerve fibers attached to the hair cells. Anatomy and Physiology 2013-06-19T00:00:00Z
My own politics seem personal compared to my drive to help our country depolarize, unite around shared values, and act on the mass injustices of our collective history and current, multifaceted situation. Coronavirus: Pandemic shines light on complexities we face as a society 2020-05-29T04:00:00Z
This is why one of the few real hopes for depolarizing American politics is democratization. Opinion | Why Democrats Still Have to Appeal to the Center, but Republicans Don’t 2020-01-24T05:00:00Z
When light was used to depolarize the glioma cells, this promoted tumour proliferation. Dangerous liaisons as tumour cells form synapses with neurons 2019-09-17T04:00:00Z
Action potentials are considered an "all-or nothing" event, in that, once the threshold potential is reached, the neuron always completely depolarizes. Biology for AP Courses 2022-06-09T00:00:00Z
When no sound is present, and the stereocilia are standing straight, a small amount of tension still exists on the tethers, keeping the membrane potential of the hair cell slightly depolarized. Anatomy and Physiology 2013-06-19T00:00:00Z
The project of depolarizing the globe, and pushing extremists back to the margins, will require far more than software fixes and policy updates. How social networks are recruiting teenage extremists 2019-05-15T04:00:00Z
Unfortunately, both major parties remain blind to the depolarizing logic of the free-market welfare state. Opinion | We don’t need to be so polarized. Let’s be pro-market and pro-government. 2019-01-02T05:00:00Z
In some of the other glioma cells, a long-lasting depolarizing current was observed that amplified and spread through gap junctions to the connected network of tumour cells. Dangerous liaisons as tumour cells form synapses with neurons 2019-09-17T04:00:00Z
Very quickly, the membrane repolarizes, so that it can again be depolarized. Biology for AP Courses 2022-06-09T00:00:00Z
The distance between nodes is the optimal distance to keep the membrane still depolarized above threshold at the next node. Anatomy and Physiology 2013-06-19T00:00:00Z
I think it’s going to depolarize us politically. Redfin CEO Glenn Kelman talks 2019 housing trends 2018-12-30T05:00:00Z
By 1993, she had been sufficiently depolarized to be appointed to the Supreme Court. Ruth Bader Ginsburg’s Unlikely Path to the Supreme Court 2018-10-01T04:00:00Z
“People are tired, and they would like to depolarize.” Spain drops extradition requests for Catalan separatists 2018-07-19T04:00:00Z
I think The New York Times is doing a disservice to the women of this country and to depolarizing our citizens when they portray the Women’s March as a march against Trump. ‘My Own Life Ended Up Imitating Her Art’ 2017-01-28T05:00:00Z
As the membrane depolarizes, another set of ion channels called voltage-gated sodium channels are triggered to open. Anatomy and Physiology 2013-06-19T00:00:00Z
Another powerful depolarizing move is praise, as we saw in the second Clinton-Trump debate. How to Get Beyond Our Tribal Politics 2016-11-04T04:00:00Z
While this legacy may charm some on the left, it perpetuates a false choice between abundance and sustainability, sacrificing a unique opportunity to depolarize the energy and climate debate. A Mixed Legacy on Oil 2015-09-04T04:00:00Z
Three, depolarize the issue and enroll men in the gender equity movement.  Are Feminine Leadership Traits The Future Of Business? 2014-08-30T04:00:00Z
When it is activated, ions flow in, the membrane depolarizes, and the cell fires. Sleeping Beauty: magic or hypocretin? 2012-10-22T13:15:00.183Z
A gap junction forms channels between adjacent cardiac muscle fibers that allow the depolarizing current produced by cations to flow from one cardiac muscle cell to the next. Anatomy and Physiology 2013-06-19T00:00:00Z
Complete depolarization is usually obtained also in single fluid cells, having in addition a depolarizing solid body, such as oxide of manganese, oxide of copper, or peroxide of lead, in contact with the carbon pole. Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications 2011-12-24T03:07:54.823Z
If you have a crystal that depolarizes light, you can determine the location of the rings around the hidden sun. The Viking Sunstone Revealed? 2011-11-02T01:01:00Z
The current produced is a function of the depolarizing action, i.e. of the free chlorine, and is indicated by the current meter which is graduated in parts per million of available chlorine. Chlorination of Water 2011-09-13T02:00:32.243Z
Researchers have now found that Escherichia coli drop this voltage difference for a brief moment and depolarize, much as neurons do when they fire. Bacteria Flash Like Christmas Lights 2011-07-14T20:45:40Z
As the Na+ moves, or flows, a short distance along the cell membrane, its positive charge depolarizes a little more of the cell membrane. Anatomy and Physiology 2013-06-19T00:00:00Z
Our society-men sometimes become so depolarized in their tastes and feelings, as to be at ease nowhere but in Europe, and not much at ease there. Modern Society 2011-06-23T02:00:27.897Z
You cannot depolarize, without destroying, Dante, or Milton, or any of our great poets; no more can you depolarize the great masterpiece of the Bible. Chapters of Bible Study A Popular Introduction to the Study of the Sacred Scriptures 2011-03-27T02:00:12.580Z
Between these two prisms, however, is a solution of chemicals which will depolarize the light and allow it to continue. Astounding Stories, July, 1931
The researchers aren't sure, but they believe that depolarizing their membranes may allow the bacteria to kick out charged molecules they've accumulated, such as toxins or antibiotics. Bacteria Flash Like Christmas Lights 2011-07-14T20:45:40Z
These locations have a high density of voltage-gated Na+ channels that initiate the depolarizing phase of the action potential. Anatomy and Physiology 2013-06-19T00:00:00Z
Mrs. Frobisher touched the control button that depolarized the window in the breakfast room, letting the morning sun stream in. Anything You Can Do!
Some other manifestation of the magnetic power the Rogans had harnessed—a current, perhaps, that depolarized partly the atoms of the body structure? The Red Hell of Jupiter
This electrification removes the depolarizing effects of the solution and light passage stops; in other words, the shutter is closed. Astounding Stories, July, 1931
Mrs. Frobisher touched the control button that depolarized the window in the breakfast room, letting the morning sun stream in through the now transparent sheet of glass. Anything You Can Do ...
If one cell is depolarized in an electrical synapse, the joined cell also depolarizes because the ions pass between the cells. Anatomy and Physiology 2013-06-19T00:00:00Z
The polarized beams came back depolarized, of course, but with phase-changes which said the reflector had a rounded, regular form. The Aliens
The battery of her vital forces was depleted and depolarized. Phantom Wires A Novel
We may say that with a depolarizing surface double that of the zinc the battery will work without notable polarization, and almost until completely exhausted, even under the most unfavorable conditions. Scientific American Supplement, No. 421, January 26, 1884
Within this porous cup, as it is called, a plate or disk of carbon is placed, and around this the depolarizing agent, consisting of black oxide of manganese. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc.
The depolarizing or hyperpolarizing effect is also dependent on the receptor. Anatomy and Physiology 2013-06-19T00:00:00Z
The Bible is essential but not educative until you learn to depolarize it. Through stained glass
But the years between Eighteen Hundred Fifty-six and Eighteen Hundred Sixty were years of agitation and earnest thought, and the idea that slavery was merely a local question was getting both depolarized and dehorned. Little Journeys to the Homes of the Great - Volume 03 Little Journeys to the Homes of American Statesmen
We have succeeded in forming a new battery with a single liquid and with a solid depolarizing element by associating oxide of copper, caustic potash, and zinc. Scientific American Supplement, No. 421, January 26, 1884
It dispenses, however, with the porous cup and instead employs a carbon electrode, which in itself forms a cup for the depolarizing agent. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc.
The channels that start depolarizing the membrane because of a stimulus help the cell to depolarize from -70 mV to -55 mV. Anatomy and Physiology 2013-06-19T00:00:00Z
Brewster found the specimens which he examined to be perfectly isotropic, exercising no influence in depolarizing light. Scientific American Supplement, No. 595, May 28, 1887
The second thing would be to depolarize every fixed religious idea in the mind by changing the word which stands for it.——I don't know what you mean by "depolarizing" an idea,—said the divinity-student. The Atlantic Monthly, Volume 03, No. 15, January, 1859
This arrangement is similar to that of a Callaud element, with this difference—that the depolarizing element is solid and insoluble. Scientific American Supplement, No. 421, January 26, 1884
This cell employs a chemical method of taking care of polarization, the depolarizing agent being peroxide of manganese, which is closely associated with the carbon element. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc.
Also, any stimulus that depolarizes the membrane to -55 mV or beyond will cause a large number of channels to open and an action potential will be initiated. Anatomy and Physiology 2013-06-19T00:00:00Z
Nicotine acts as an ACh analog at these synapses, so when someone takes in the drug, it binds to these ACh receptors and activates the ganglionic neurons, causing them to depolarize. Anatomy and Physiology 2013-06-19T00:00:00Z
The opposing signals to the heart would both depolarize and hyperpolarize the heart cells that establish the rhythm of the heartbeat, likely causing arrhythmia. Anatomy and Physiology 2013-06-19T00:00:00Z
This great constancy is chiefly due to the progressive reduction of the depolarizing electrode to the state of very conductive metal, which augments its conductivity and its depolarizing power. Scientific American Supplement, No. 421, January 26, 1884
This is usually mixed with, broken carbon, so as to increase the effective area of the carbon element in contact with the depolarizing agent, and also to reduce the total internal resistance of the cell. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc.
A stronger stimulus, which might depolarize the membrane well past threshold, will not make a “bigger” action potential. Anatomy and Physiology 2013-06-19T00:00:00Z
At this point, calcium ion channels open and Ca2+ enters the cell, further depolarizing it at a more rapid rate until it reaches a value of approximately +5 mV. Anatomy and Physiology 2013-06-19T00:00:00Z
If threshold is not reached, those channels do not open, and the depolarizing phase of the action potential does not occur, the cell membrane will just go back to its resting state. Anatomy and Physiology 2013-06-19T00:00:00Z
If norepinephrine is released onto those cells, it binds to an adrenergic receptor that causes the cells to depolarize faster, and the heart rate increases. Anatomy and Physiology 2013-06-19T00:00:00Z
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