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when pH is too low, the concentration of hydrogen ions is too high, so one exhales CO < sub > 2 </ sub >.
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when and pH
Dual polarisation interferometry can be used to measure the conformational changes or self assembly of these materials when stimulated by pH, temperature, ionic strength or other binding partners.
The actual reaction is more complicated and involves the bicarbonate ion ( HCO < sub > 3 </ sub >< sup >-</ sup >) that forms when CO < sub > 2 </ sub > reacts with water at seawater pH:
By the same principle when the pH is too high, the kidneys excrete bicarbonate ( HCO < sub > 3 </ sub >< sup >-</ sup >) into urine as urea via the Urea Cycle ( aka the Krebs-Henseleit Ornithine Cycle ).
* The ISFET ( ion-sensitive field-effect transistor ) used to measure ion concentrations in a solution ; when the ion concentration ( such as H < sup >+</ sup >, see pH electrode ) changes, the current through the transistor will change accordingly.
In the common case when the surface charge-determining ions are H < sup >+</ sup >/ OH < sup >-</ sup >, the net surface charge is affected by the pH of the liquid in which the solid is submerged.
The curd mass is left until the pH is at around 5. 2 – 5. 5, which is the point when the cheese can be stretched.
The nanoparticles, containing a sub-layer of pH sensitive chains of the amino acid histidine, carry a slightly negative charge when circulating in the blood stream, can evade detection and clearing by the immune system.
It follows that electrode potential is proportional to pH when pH is defined in terms of activity.
A spherical plant virus called cowpea chloric mottle virus ( CCMV ) has interesting expanding properties when exposed to environments of pH higher than 6. 5.
A study determined that " prolonged cooking of a bone in soup increases the calcium content of the soup when cooked at an acidic, but not at a neutral pH ".
Its pH changes very little when a small amount of strong acid or base is added to it.
As a rule of thumb, only to give an idea on orders of magnitude, steel is protected at pH above ~ 11 but starts to corrode below ~ 10 depending on steel characteristics and local physico-chemical conditions when concrete becomes carbonated.
In particular, the pH of a solution can be predicted when the analytical concentration and pK < sub > a </ sub > values of all acids and bases are known ; conversely, it is possible to calculate the equilibrium concentration of the acids and bases in solution when the pH is known.
Tyrosine, for example, increases in absorption maxima and molar extinction coefficient when pH increases from 6 to 13 or when solvent polarity decreases.
The equation, derived from the acidity constant, states that when pH equals the pKa value of the indicator, both species are present in 1: 1 ratio.
These commercial indicators ( e. g., universal indicator and Hydrion papers ) are used when only rough knowledge of pH is necessary.
Moreover, when exposed to moisture the carbonate in natron increases pH ( raises alkalinity ), which creates a hostile environment for bacteria.
The pH is very acidic when the chromium is introduced to ensure that the chromium complexes are small enough to fit in between the fibers and residues of the collagen.
Corrosion or solution / chemical weathering occurs when the sea's pH ( anything below pH 7. 0 ) corrodes rocks on a cliff face.
when and is
( The best evidence is that he received a monthly wage of about $125, very good money in an era when top hands worked for $30 and found.
Even the knowledge that she was losing another boy, as a mother always does when a marriage is made, did not prevent her from having the first carefree, dreamless sleep that she had known since they dropped down the canyon and into Bear Valley, way, way back there when they were crossing those other mountains.
And that is the way I first saw her when my Uncle brought her into his antique store.
Meredith was irritated when the Grafin knocked at his door and told him, `` She is a great beauty!!
There was a measure of protection in its concrete walls and ceiling, but the engineers who hastily installed it were well aware that concrete is not much better than prayer, if as efficacious, when a direct hit comes along.
In fact it has caused us to give serious thought to moving our residence south, because it is not easy for the most objective Southerner to sit calmly by when his host is telling a roomful of people that the only way to deal with Southerners who oppose integration is to send in troops and shoot the bastards down.
That is particularly true of sovereignty when it is applied to democratic societies, in which `` popular '' sovereignty is said to exist, and in federal nations, in which the jobs of government are split.
On Fridays, the day when many Persians relax with poetry, talk, and a samovar, people do not, it is true, stream into Chehel Sotun -- a pavilion and garden built by Shah Abbas 2, in the seventeenth century -- but they do retire into hundreds of pavilions throughout the city and up the river valley, which are smaller, more humble copies of the former.
That, I thought, is at least one thing I can find out when we meet.
The consciousness it mirrors may have come earlier to Europe than to America, but it is the consciousness that most `` mature '' societies arrive at when their successes in technological and economic systematization propel them into a time of examining the not-strictly-practical ends of culture.
How is the beat poet to achieve unity of form when he is at the same time engaged in a systematic derangement of senses.
The trouble here is that it's almost too easy to take the high moral ground when it doesn't cost you anything.
But he plunges into yet another, this time with Norway, and is killed in an assault on the fortress of Fredrikshall, being only thirty-six years of age when he died.
Another, more interesting explanation, is hinted at by Watson when he observes on several occasions that Holmes would have made a magnificent criminal.
but when the bird is found at last, it turns out to be a fake.
It is a weakness of Gabriel's analysis that he never seems to realize that his so-called fundamental law had already been cut loose from its foundations when it was adapted to democracy.
Only when that term is ended and he is a private citizen again can he be permitted the freedom and the courage to discount the dangers of his death.
The portrait that had developed, fragmentarily but consistently, was the portrait of a man to whom serious thinking is alien enough that the making of a decision inhibits, when it does not forestall, any ability to review the decision in the light of new evidence.
when and too
It looked as Gavin had first seen it years ago, on those nights when he slept alone by his campfire and waked suddenly to the hoot of an owl or the rustle of a blade of grass in the moon's wind -- a savage land, untenanted and brooding, too strong to be broken by the will of men.
He was too old -- when he passed up and through the corridor of pines that lined the trail he could see ahead, he was passing from life.
Mouse deer played around the feet of the elephants, or fled when the mighty legs thrashed too close.
Once, then -- for how many years or how few does not matter -- my world was bound round by fences, when I was too small to reach the apple tree bough, to twist my knee over it and pull myself up.
We enjoyed a paradoxical freedom when we were still too young for school.
While my memory holds with relentless tenacity, as I cannot too often stress, to my wrongs, when it comes to my shames, it gestures and jokes and toys with chronology like a prestidigitator in the hope of distracting me from them.
But when these expectations are once too often ground into the dust, innocence can falter, since its strength is according to the strength of him who possesses it.
The Acropolis had been scheduled for the treatment too, but apparently it was to take place at the time of the full moon when the Athenians themselves, out of respect for the natural beauty of the occasion, were wont to forgo their own usual nocturnal illumination.
There must have been special feelings of joy and patriotism in the heart of Daniel Morgan too, when the news was received on April 30th of the recognition by France of the independence of the United States.
He knew all about the infection and the fever, and, too, the moment of realization when he saw for himself, threw up his hands and quit, ended the war as a prisoner in Texas.
This statement recalls the 1959 Berlin crisis, when President Eisenhower first told reporters that Berlin could not be defended with conventional weapons and then added that a nuclear defense was out of the picture too.
A call for action `` before it is too late '' has alarming implications when it comes from a man who, in his previous reports on the schools, cautioned so strongly against extreme measures.
It was doing very well, too, having reached the center, and was pursuing its way with commendable singleness of purpose when Mr. Podger saw hazard approaching in the shape of a flashy little sports car.
It always came on, faithfully, just like a radio or juke box, whenever he started to worry too much about something, when the bad things tried to push their way into him.
And all this too shall pass away: it came to him out of some dim corner of memory from a church service when he was a boy -- yes, in a white church with a thin spur steeple in the patriarchal Hudson Valley, where a feeling of plenitude was normal in those English-Dutch manors with their well-fed squires.
She stayed too late, and when she left, it was dark and time to go home and cook supper for her husband.
He must deal with the question of how to manage a part when it cannot be handled without relation to the whole -- when the whole is too large to grasp.
Often, in working out-of-doors under all conditions of light and atmosphere, a particular passage that looked favorable in relation to the subject will be too bright, too dull, or too light, or too dark when viewed indoors in a mat.
The survivors emerge on some nice, sunny day in March or April, when the temperature is close to 50-degrees and there is not too much wind.
It can be seen too that when we contrast levels of compulsivity within the structured schools, the high compulsive children do better ( Af ).
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