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Page "Rubella virus" ¶ 14
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At and neutral
At his press conference Mr. Kennedy said, `` All we want in Laos is peace not war a truly neutral government not a cold war pawn ''.
At times a neutral city may act as an arbitrator for the two rival cities.
At first Hertz thought the electrical disturbances would be too turbulent and irregular to be of any further use, but when he had discovered the existence of a neutral point in the middle of a side-conductor, and therefore of a clear and orderly phenomenon, he felt convinced that the problem of the Berlin Academy was now capable of solution.
At the outbreak of the First World War, the German Army ( consisting in the West of Seven Field Armies ) executed a modified version of the Schlieffen Plan, designed to quickly attack France through neutral Belgium before turning southwards to encircle the French army on the German border.
At the opposite end of the spectrum, an isotonic saline solution is least irritating to the rectum and colon, having a neutral concentration gradient.
At 25 ° C, considered the standard temperature, the pH value of a neutral solution is 7. 0.
At the time of writing the novel ( 1959 ) Fleming believed that the Cold War might end during the two years it would take to produce the film, which would leave it looking dated ; he therefore thought it better to create a politically neutral enemy for Bond.
At around 1 a. m. on April 13, an agreement was signed, designating an area of around the camp as a neutral zone.
At the time of the attack on Copenhagen, Denmark was neutral but Napoleon had recently agreed with the Russians in the Treaty of Tilsit to build a naval alliance against Britain, including using the Danish navy for invading Britain.
At the same time, the number of impacts between ionized and neutral particles is reduced.
At the time, other western allies in the Middle East, including Turkey and Iraq, were irritated that Egypt, a persistently neutral country, was being offered so much aid.
At the outset of the war, the area was numerically dominated by the British and French navies, and Italy was initially a neutral power astride communications in the centre of the area.
At the beginning of the war, the U. S. was neutral in the conflict because of opposition to imperialism, because the Việt Minh had recently been their allies, and because most of its attention was focused on Europe where Winston Churchill argued an Iron Curtain had fallen.
At the start of each week ( each day in Heroes IV ), creature dwellings produce new recruits, and in most cases neutral armies will increase in size ( by default ; can be turned off if desired ).
At one point, both were considered derogatory ; " dyke " has become a more neutral term, but may still be taken as offensive if used in a derogatory manner or by those outside the LGBT community.
At the start of December, United States Marines landed in Nicaragua's Bluefields port, supposedly to create a neutral zone to protect foreign lives and property but which also acted as a base of operations for the anti-Zelayan rebels.
At 4: 15 on the morning of 9 April 1940, German forces crossed the border into neutral Denmark, in direct violation of a German – Danish treaty of non-aggression signed the previous year.
At the 1992 Summer Olympics in Barcelona that year, Schiller's Ode to Joy, as set to Beethoven's music, was used instead, along with a neutral Olympic flag.
At a minimum, the Allies sought to keep Ethiopia neutral.
At the outbreak of hostilities, Sweden had held a neutral stance in international relations for more than a century, since the end of the Napoleonic Wars in 1815.
At present, army infantries are densely placed in the former neutral territory of Ye district for future plans.
At lower levels, teams play in playoff games with a national championship game at a neutral site, like a bowl.
At 5: 00 p. m., Bonnet had another tempestuous interview with Łukasiewicz, who pressed very strongly for a French declaration of war and accused Bonnet of plotting to keep France neutral.
At times, Snow's defense of various undemocratic Allied governments took on the character of blatant war propaganda, not neutral journalistic observation, but Snow defended his reporting, stating
At the beginning of the American Civil War, Missouri declared that it would be an " armed neutral " in the conflict and not send materials or men to either side.

At and pH
At pH values greater than the pKa of the carboxylic acid group ( mean for the 20 common amino acids is about 2. 2, see the table of amino acid structures above ), the negative carboxylate ion predominates.
At pH values lower than the pKa of the α-ammonium group ( mean for the 20 common α-amino acids is about 9. 4 ), the nitrogen is predominantly protonated as a positively charged α-ammonium group.
At pH values between the two pKa values, the zwitterion predominates, but coexists in dynamic equilibrium with small amounts of net negative and net positive ions.
At a pH below their pI, proteins carry a net positive charge ; above their pI they carry a net negative charge.
At pH 4. 8, the interior of the lysosomes is acidic compared to the slightly alkaline cytosol ( pH 7. 2 ).
At high pH, sarin decomposes rapidly to nontoxic phosphonic acid derivatives.
At the same time, the separating part of the gel also has a pH value in which the buffer ions on average carry a greater charge, causing them to " outrun " the SDS-covered proteins and eliminate the ion gradient and thereby the stacking effect.
At the mean pH of the laryngopharynx ( pH
At high temperatures, the rate of collagen loss will be accelerated and extreme pH can cause collagen swelling and accelerated hydrolysis.
At a pH equal to the protonated base's pKa, the protonated ( ionized ) and unprotonated ( unionized ) forms of the molecule exist in equimolar amounts but only the unprotonated base diffuses readily across cell membranes.
At a lower pH, further chlorination occurs.
At a pH of 7, the enzymes that were present from the stomach are no longer active.
At all pH values other than their isoelectric point, proteins will be charged.
At pH < 5. 89 ( pH < pK < sub > 1 </ sub >) the hydrogen chromate ion is predominant in dilute solution but the dichromate ion is predominant in more concentrated solutions.
At pH 12-13, any ammonium ion in the sample is converted to ammonia gas and is ultimately detected by the electrode.
At this pH, most toxic metals become insoluble and precipitate, aided by the presence of recycled sludge.
At neutral pH, the dye absorbs red light most strongly and transmits blue light.
At low pH, the dye absorbs ultraviolet and blue light most strongly and appears yellow in solution.
At pH 7, glucose exists in solution in cyclic hemiacetal form as 63. 6 % β-D-glucopyranose and 36. 4 % α-D-glucopyranose, the proportion of linear and furanose form being negligible.
At high temperatures, above 24-27 ° C, the solvent melts and the salt dissociates, reversibly reacts with the weak acid and increases the pH.

2.107 seconds.