) During the initial collapse, this pre-main-sequence star generates energy through gravitational contraction.

During contraction of the ventricular myocardium ( systole ), the subendocardial coronary vessels ( the vessels that enter the myocardium ) are compressed due to the high intraventricular pressures.

During Margaret Thatcher's contraction of the coal industry, six pits within a two mile ( 3 km ) radius of the city centre were closed between 1979 and 1983.

During vomiting the propulsion of food up the esophagus and out the mouth comes from contraction of the abdominal muscles ; peristalsis does not reverse in the esophagus.

During the 1930s, the U. S. and the rest of the world experienced a severe economic contraction that is now called the Great Depression.

* During accommodation, the parasympathetic nervous system causes constriction of the pupil and contraction of the ciliary muscle to the lens, allowing for closer vision.

During the 1980s, migratory Japanese sardine was one of the most abundant fish in the summer and the main commercial species, but the fishery collapsed and by 1993 no sardines were reported caught leading to significant economic contraction in the few settlements on the islands.

During contraction, there is a spatial reorganization of the contractile machinery to optimize force development.

During the nineties, countries like Mexico, Argentina, Malaysia, Turkey, Colombia, Indonesia, Korea and Peru all experienced boom – bust cycles with the consequent collapse in GDP, consumption, non-tradable output sector contraction, capital flow reversals, limited or costly access to capital markets and sharp real exchange rate fluctuations.

During intense muscle contraction the ion pumps that maintain homeostasis of these ions are inactivated and this ( with other ion related disruption ) causes ionic disturbances.

During the ventricular contraction portion of the cardiac cycle, the Purkinje fibers carry the contraction impulse from both the left and right bundle branch to the myocardium of the ventricles.

During the era of route contraction from 1940 to about 1975 the Franklin Avenue Shuttle, as it is now known, seemed a prime candidate for abandonment ; its physical structure had been allowed to deteriorate and its service steadily curtailed.

During the contraction the core becomes hotter and hotter until it causes the outer layers to begin fusing hydrogen and expand outwards initiating the red giant stage.

During ventricular contraction, the wave of depolarization moves from endocardial to epicardial surface.

During this phase, the male urethral sphincter contracts ( so as to prevent urine from mixing with semen, and guard against retrograde ejaculation ) and muscles at the base of the penis begin a steady rhythmic contraction.

During ventricular contraction, or systole, some of the blood from the left ventricle leaks into the right ventricle, passes through the lungs and reenters the left ventricle via the pulmonary veins and left atrium.

During contraction of muscle, rapidly cycling crossbridges form between activated actin and phosphorylated myosin, generating force.

During a concentric contraction, a muscle is stimulated to contract according to the sliding filament mechanism.

During an eccentric contraction, the muscle elongates while under tension due to an opposing force being greater than the force generated by the muscle.

During an eccentric contraction of the biceps muscle, the elbow starts the movement while bent and then straightens as the hand moves away from the shoulder.

During an eccentric contraction of the triceps muscle, the elbow starts the movement straight and then bends as the hand moves towards the shoulder.

During a concentric contraction, muscle fibers slide across each other, pulling the Z-lines together.

During an eccentric contraction, the filaments slide past each other the opposite way, though the actual movement of the myosin heads during an eccentric contraction is not known.

During these years the youthful conductor had contributed greatly to the high level of musical life in Germany.

During nighttime hours, because of the intense skywave propagation then prevailing, no large number of stations can be permitted to operate on one of these channels, if the wide area service for which these frequencies are assigned is to be rendered satisfactorily by the dominant stations which must be relied upon to render it.

During these early years the repair of watches and clocks and the building of special clocks for church steeples formed an important part of the young man's occupation.

During these years the company's product line followed the basic tenets laid down by Mr. Brown.

During these first days of the trial I didn't have as much time to commiserate with Viola as I should have liked.

During the nineteenth century these views were protested by virtually all the Latin American writers, though ineffectively, just as the new nations of Africa and Asia protest them, with more effect, today.

During summer vacation periods these records are stored in the office of the principal.

During the past year, these ligands have yielded some unusual five-coordinate complexes of nickel ( 2 ) and some interesting binuclear phosphorus-bridged complexes of palladium ( 2 ) ( see figure ), as well as new compounds of the well-known type Af.

During these visits the dentist will adjust the braces to increase the pressure on her teeth.

During these activities, the researchers took functional magnetic resonance imaging ( fMRI ) scans of the participants ' brains and were " surprised by the results ".

During these visits Shelley wrote the poem " Mont Blanc ", Byron wrote " The Prisoner of Chillon " and the dramatic poem Manfred, and Mary Shelley, who found the scenery overwhelming, conceived the idea for the novel Frankenstein in her villa on the shores of Lake Geneva in the midst of a thunderstorm.

) During these years, Armenia occupied some 20 % of Azerbaijan's territory, rendering possibility of supplies from Azerbaijan an impossibility.

During the Carolingian epoch the custom grew up of granting these as regular heritable fiefs or benefices, and by the 10th century, before the great Cluniac reform, the system was firmly established.

During these campaigns, Lysander attempted to manipulate Agesilaus into ceding his authority.

During these conflicts in mainland Greece, Lysander perished while attacking the walls of Thebes.

During the Renaissance, artists and mathematicians valued pure forms and rediscovered all of these forms.

During these trips, the astronauts would visit and provide scientific descriptions of geologic features they were likely to encounter on the surface of the Moon.

During their time on the council, HRP representatives fought for measures including pioneering antidiscrimination ordinances, measures decriminalizing marijuana possession, and a rent-control ordinance ; many of these remain in effect in modified form.

During these skirmishes Zurlauben fell mortally wounded, and died two days later.

During these events Marlborough was still in the saddle conducting the pursuit of the broken enemy.

During these experiments, < sup > 261 </ sup > Bh was also identified in the 2n evaporation channel and it was confirmed that < sup > 262 </ sup > Bh exists as two states-a ground state and an isomeric state.

During the building boom of the 19th century in the eastern seaboard cities of Boston and New York City, for example, locally made bricks were often used in construction in preference to the brownstones of New Jersey and Connecticut for these reasons.

During 1951, the wooden bodies were replaced with sheet steel and these vehicles were powered by Chrysler flathead six-cylinder engines and 3-speed manual transmissions.

During and after the First World War, these concepts were further developed by generals, such as Oskar von Hutier and the Reichswehr.