When the heat release oscillations are in phase with the pressure oscillations, the Rayleigh Index is positive and the magnitude of the thermo acoustic instability is maximised.

When Thomas Aquinas described acedia in his interpretation of the list, he described it as an uneasiness of the mind, being a progenitor for lesser sins such as restlessness and instability.

When Disney's contract with RKO expired at the end of 1953, instead of renewing it as usual Disney was concerned about the instability of RKO ( due to owner Howard Hughes ' increasingly erratic control of the studio ) and started distributing its own films through its newly created Buena Vista Distribution subsidiary.

When the Richardson number is large, the stratification is strong enough to prevent this shear instability.

When the Second Spanish Republic was proclaimed in 1931 political instability meant that the Liceu suffered a severe financial crisis which was only overcome though subsidies from Barcelona City Council and the government of Catalonia.

When a shoulder dislocates frequently, the condition is referred to as shoulder instability.

When we violate the law ourselves, whatever short-term advantage may be gained, we are obviously encouraging others to violate the law ; we thus encourage disorder and instability and thereby do incalculable damage to our own long-term interests.

When combined, they form acetone peroxide, an explosive known as " Mother of Satan " for its instability.

When Garroway's second wife, Pamela, died of a prescription drug overdose on April 28, 1961, Garroway went further into depression and emotional and mental instability.

When Buffy was brought back from the dead at the beginning of Season 6, however, this caused an instability in the source of the Slayer's power.

When Miriam calls Sharon's separated husband to testify about his wife's mental instability Jimmy uses a typical defense tactic and suggests that he assassinated the governor out of revenge for sleeping with his wife.

When the per-flow product of bandwidth and latency increases, regardless of the queuing scheme, TCP becomes inefficient and prone to instability.

When the molasses heats sufficiently, it becomes less dense than the milk above it, and the instability occurs.

When the former exceeds the latter by a critical ratio, convective instability sets in.

When this occurs in the back, orthopedic surgeons will often try to reduce vertebral instability by fusing the vertebrae with bone and / or metal fixation.

When the rattleback is spun in the " stable direction ", also known as the weak reversal direction, friction and damping often slow the rattleback to a stop before the rolling instability has time to fully build.

When there is an imbalance, social consequences can range from loss of privacy, to social reactions that in the aggregate lead to unrest and political instability.

When erosion threatened the foundation of their home in Harbert, Paula Sandburg planted grapevines and arranged the snow fences which helped hold the sands away.

When this heresy-decree, to be made effective, was forwarded to other congregations for approval, the friends of liberal thought, under the leadership of the Tibbonites, issued a counter-ban, and the conflict threatened to assume a serious character, as blind party zeal ( this time on the liberal side ) did not shrink from asking the civil powers to intervene.

When Democratic-Republicans in some states refused to enforce federal laws, and even threatened to rebel, Federalists threatened to send the army to force them to capitulate.

When threatened, it will crouch and freeze, relying on camouflage to stay undetected, but will flush into low flight if closely disturbed.

When the toads are threatened, their glands secrete a milky-white fluid known as bufotoxin.

When the production of Richard Kelly's debut film, Donnie Darko, was threatened, Barrymore stepped forward with financing from Flower Films and took the small role of Karen Pomeroy, the title character's English teacher.

When they warned him that they would ask Charles Gounod instead and then threatened to engage Richard Wagner's services, Verdi began to show considerable interest, and agreements were signed in June 1870.

When Evans began to question her religious faith, her father threatened to throw her out, although that did not happen.

When the Brunswick Manifesto of July 1792 once more threatened the French population with Austrian ( Imperial ) and Prussian attacks, Louis XVI was suspected of treason and taken along with his family from the Tuileries Palace in August 1792 by insurgents supported by a new revolutionary Paris Commune.

When France was negotiating with the Netherlands about purchasing Luxembourg in 1867, the Prussian Kingdom threatened the French government with war.

When, however, the Treaty of San Stefano threatened a Russian hegemony in the Near East, Andrássy concurred with the German and British courts that the final adjustment of matters must be submitted to a European congress.

When the Germans threatened to overrun Paris in 1940, where she was then living, he arranged her escape to England.

When Louis threatened invasion, the third great civil war of his reign broke out.

When threatened, the Ostrich will either hide itself by lying flat against the ground, or will run away.

When rebel gunboats threatened to dash upriver from Argentina to bombard the capital into submission, Stroessner's forces battled furiously and knocked them out of commission.

When the siege had started, Saladin was unwilling to promise terms of quarter to the Frankish inhabitants of Jerusalem until Balian of Ibelin threatened to kill every Muslim hostage, estimated at 5000, and to destroy Islam's holy shrines of the Dome of the Rock and the al-Aqsa Mosque if quarter was not given.

When confronted with the evidence that Solomon was a free man, and told that he had a wife and children, Epps cursed the man ( unknown to him ) who had helped Solomon and threatened to kill him if he discovered his identity.

When Thompson climbed back on board, Johnson drew a knife and threatened Thompson's girlfriend, who was also on board.

When Goldstein was threatened with court-martial for refusing to treat non-Jewish soldiers in the Israeli Defence Force, he declared: " I am not willing to treat any non-Jew.

When threatened, however, they can reach up to and maintain that speed for up to 90 seconds.

When threatened by Xena he tells her, " I know what I'm fated to do with my life ".

When the king was passing by the oasis, the residents killed his son, and the Yemenite ruler threatened to exterminate the people and cut down the palms.

When Gregory was hard pressed by Henry IV, Robert Guiscard left him to his fate, and only intervened when he himself was threatened with German arms.

When viewers realized that Willow was falling in love with Tara, Whedon remembered that some threatened to boycott the show, complaining " You made Willow a fag ", to which he responded, " Bye.