At low concentrations blocks the pR promoter ( preventing cro production ).

At high concentrations downregulates its own production through OR3 binding.

At about the same time as meteorite concentrations were being discovered in the cold desert of Antarctica, collectors discovered that many meteorites could also be found in the hot deserts of Australia.

At high concentrations, the

At palatable concentrations of salt, the effect is very small, and the boiling point elevation is difficult to notice.

At sufficiently high concentrations, the absorption bands will saturate and show absorption flattening.

At very low concentrations of the potential-determining ions, the potential predicted by Nernst equation approaches toward ±∞.

At the time of the 2006 census of the Republic of Ireland, the population of the Gaeltacht was 91, 862, approximately 2. 1 % of the state's 4, 239, 848 people, with major concentrations of Irish speakers located in the western counties of Donegal, Mayo, Galway, Kerry, and Cork.

At low concentrations, surfactant application is unlikely to have a significant effect on trace metal mobility.

At present, Mr. Nyland's groups exist in small concentrations across the United States, most notably at two locations, one termed " The Barn " in rural New York, and another termed " The Land " in Northern California.

At this altitude, pressure and temperature conditions of Venus are similar to those of Earth, though the planet's winds moved at hurricane velocity and the carbon dioxide atmosphere is laced with sulfuric acid, along with smaller concentrations of hydrochloric and hydrofluoric acid.

At low concentrations it forms ventral interneurones, at higher concentrations it induces motor neuron development, and at highest concentrations it induces floor plate differentiation.

At abnormally high concentrations brought about by human activities ( largely incomplete combustion of fossil fuels, such as gasoline, diesel, etc.

At high enough concentrations (~ 60 grams of bentonite per litre of suspension ), bentonite suspensions begin to take on the characteristics of a gel ( a fluid with a minimum yield strength required to make it move ).

At high concentrations, it also raises blood pressure by inducing moderate vasoconstriction.

At one extreme the Greater Shearwater nests in concentrations of 1 pair per square metre in three colonies of more than 1 million pairs, whereas the giant petrels nest in clumped but widely spaced territories that barely qualify as colonial.

At low concentrations up to PdH < sub > 0. 02 </ sub > the palladium lattice expands slightly, from 3. 889 Å to 3. 895 Å.

At high experimental concentrations that would not exist in vivo, the antioxidant abilities of flavonoids in vitro may be stronger than those of vitamin C and E, depending on concentrations tested.

At low enzyme concentration and low OMP concentrations, OMP decarboxylase shows negative cooperativity, while at higher OMP concentrations, the enzyme shows positive cooperativity.

At very low concentrations of the lipid, only monomers are present in true solution.

At the same site, an archaeologist might identify features such as stone walls surrounding enclosures arrayed in a pattern, and deep, layered middens with concentrations of domesticated animal remains such as goats or pigs.

`` At 200, 300, 400 feet under the water, when he must be paying very much attention, he will be thinking about what you are telling him.

* 2007 – At least 200, 000 demonstrators in Ankara, Turkey protest against the possible candidacy of incumbent Prime Minister Recep Tayyip Erdoğan.

At its peak, the Getan kingdom reportedly was able to muster 200, 000 warriors.

At a Braveheart Convention in 1997, held in Stirling the day after the Scottish Devolution vote and attended by 200 delegates from around the world, Braveheart author Randall Wallace, Seoras Wallace of the Wallace Clan, Scottish historian David Ross and Bláithín FitzGerald from Ireland gave lectures on various aspects of the film.

At the time of its formation BSC comprised around 90 percent of the UK's steelmaking capacity, had around 268, 500 employees and around 200 wholly or partly owned subsidiaries based in the United Kingdom, Australia, New Zealand, Canada, Africa, South Asia, and South America.

At the turn of the millennium, the line between a graphing calculator and a handheld computer was not always clear, as some very advanced calculators such as the TI-89, the Voyage 200 and HP-49G could differentiate and integrate functions, solve differential equations, run word processing and PIM software, and connect by wire or IR to other calculators / computers.

At about 1, 200 pages, its scope can be considered as more that of an encyclopedic dictionary than a true encyclopedia.

At the beginning of the 19th century Emsworth had a population of less than 1, 200, this made Emsworth a large village at the time.

At the turn of the 21st century, the game was played by over 250 million players in over 200 countries, making it the world's most popular sport.

At least 32 nuclear isomers have also been characterized, ranging in atomic mass from 170 to 200.

At the Crossbarry Ambush in March 1921, 100 or so of Barry's men fought a sizeable engagement with a British column of 1, 200, escaping from the British encircling manoeuvre.

* 2006 – At least 122 people are killed after a Sibir Airlines Airbus A310 passenger jet, carrying 200 passengers veers off the runway while landing in wet conditions at Irkutsk Airport in Siberia.

At the Circus Maximus, two armies of war captives, each of 2, 000 people, 200 horse and 20 elephants, fought to the death.

At its most distant points, it is about 200 kilometers north to south and 170 kilometers east to west.

At the time of his death in 1887, he had 75, 000 employees, including 20, 200 in Essen.

At this time it may have had more than 200, 000 inhabitants, placing it among the largest cities of the world in this period.

At its introduction, the 68000 was first used in high-priced systems, including multiuser microcomputers like the WICAT 150, early Alpha Microsystems computers, Sage II / IV, Tandy TRS-80 Model 16, and Fortune 32: 16 ; single-user workstations such as Hewlett-Packard's HP 9000 Series 200 systems, the first Apollo / Domain systems, Sun Microsystems ' Sun-1, and the Corvus Concept ; and graphics terminals like Digital Equipment Corporation's VAXstation 100 and Silicon Graphics ' IRIS 1000 and 1200.

At the confluence, the Ohio is even bigger than the Mississippi ( Ohio at Cairo: 281, 500 cu ft / s ( 7, 960 m < sup > 3 </ sup >/ s ); Mississippi at Thebes: 208, 200 cu ft / s ( 5, 897 m < sup > 3 </ sup >/ s )) and, thus, is hydrologically the main stream of the whole river system, including the Allegheny River further upstream.

At this altitude and velocity, the vehicle has a kinetic energy of about 3 TJ and a potential energy of roughly 200 GJ.

At the same time Richard Colt Hoare began his activities, excavating some 379 barrows on Salisbury Plain before working with Cunnington and William Coxe on some 200 in the area around the Stones.

At any given time around 200 job openings are always available in the islands.

At the 1960 Summer Olympics in Rome she won three Olympic titles: the 100 m, 200 m and the 4 x 100 m relay.

** At least 200 people were killed when the Corralejas Bullring collapsed at Sincelejo, Colombia.

At its peak, UPI had more than 2, 000 full-time employees ; and 200 news bureaus in 92 countries ; it had more than 6, 000 media subscribers.

At a lower levels ( up to approximately 1, 100 m ) oak woods or broadleafed trees grow ; on the mountain slopes ( up to 2, 000 – 2, 200 m ) beech trees grow at the lowest limits, with conifer woods higher up.