During the early Silurian, they developed specialized cells, which were lignified ( or bore similar chemical compounds ) to avoid implosion ; this process coincided with cell death, allowing their innards to be emptied and water to be passed through them.

During the Silurian period, some magnesium substituted for some of the calcium in the carbonates, slowly forming harder ( dolomitic ) sedimentary strata in the same fashion.

During the Ordovician and Silurian periods ( 500-410 million years ago ), Hạ Long Bay was deep sea.

During the Ordovician and Silurian periods, the genus Dalmanites was widespread all over the world, inhabiting a variety of climates and sea conditions.

During his two terms the Constitution was tested and found workable, strong national policies were inaugurated, and the traditions and powers of the Presidential office firmly fixed.

During the decade that followed, the common man, as that piece put it, grew uncomfortable as the Voice of God and fled from behind Saint Woodrow ( Wilson ) only to learn from Science, to his shocked relief that after all there was no God he had to speak for and that he was just an animal anyhow -- that there was a chemical formula for him, and that too much couldn't be expected of him.

During the summers, while he was still in school, Mercer worked for his father's firm as a messenger boy.

During his aggressive campaign to win his present position, Mr. Kennedy was vitriolic about this country's `` prestige '' abroad.

During the rest of the summer my scholarly mania for making plaster casts and spatter prints of Catskill flowers and leaves was all but surpassed by the constantly renewed impressions of Jessica that my mind served up to me for contemplation and delight.

During the period from 1 July 1960 through 31 January 1961, the Medical Museum was required to move to Temporary Building `` S '' on the Mall from Chase Hall.

During the last week of march 1961, Columbus, Ohio was the site of the Fourth Symposium on Temperature, Its Measurement And Control In Science And Industry.

During his presidency, the company's physical plant was enormously expanded, and the length and breadth of the Brown & Sharpe machine tool line became the greatest in the world.

During World War 2,, he was a lieutenant commander in the United States Navy.

During the war it was in constant use by the wagon trains transporting supplies from the railhead at Grafton to the troops operating in the interior.

During Oersted's attendance at the university, it was poorly equipped with physical apparatus for experimenting in the sciences.

During the latter procedure the temperature was maintained at 2-degrees-C by surrounding the apparatus with ice.

During summers, business was so brisk that Mrs. Wilcox had two assistants and a messenger.

During the Brown trial, however, the state's most powerful Democratic newspaper, the Providence Daily Post, stated that Brown was a murderer, a man of blood, and that he and his associates, with the assistance of Republicans and Abolitionists, had plotted not only the liberation of the slaves but also the overthrow of state and federal governments.

During the month of November hardly a day passed when there was not some mention of John Brown in the Rhode Island newspapers.

During the poetically sterile years he was writing novels at the rate of almost one a year and was, in addition, burdened with bad health ( he spent six months in bed in 1881, too ill to do more than work slowly and painfully at A Laodicean ).

During the year that followed, Dick co-operated whole-heartedly with the dentist and was delighted with the final result achieved -- an upper row of strong straight teeth that completely changed his facial appearance.

During the trip Selkirk decided that the route through Illinois territory to Indiana and the eastern United States was the best route for goods from England to reach Red River and that the United States was a better source of supply for many goods than either Canada or England.

During the Civil War, Custer, who achieved a brilliant record, was made brigadier general at the age of 23.

During the first administration of Bienville, the peltry trade of the Mobile district was a lucrative source of revenue.

During Dulles's first two years in office, while Republicans ran the Senate, the Department was at the mercy of men who had thirsted for its blood since 1945.

* During filming, Glenn Strange found Costello so funny he would often break up laughing, necessitating many retakes ( this is readily apparent in the scene where Costello sits on the Monster's lap ).

" During their sojourn in Babylonia our ancestors began to use the pagan Babylonian month names, a fact readily admitted in the Talmud:

During the same period, hotels were constructed, the CNIT was restructured, and in 1992, Line 1 of the Paris Métro was extended to La Défense, which made the area readily accessible to even more of the city.

During a full moon, the " Rabbit in the Moon " becomes readily visible.

During last 25 years many interstitial hydrides were developed that readily absorb and discharge hydrogen at room temperature and atmospheric pressure.

During the process of digestion, these enzymes, each of which is specialized in severing links between particular types of amino acids, collaborate to break down dietary proteins into their components, i. e., peptides and amino acids, which can be readily absorbed by the intestinal lining.

During the conversation, he resolves to speak to Nightingale's father and inform him that Nightingale is already married to Ms Miller, a proposal to which the son readily assents.

During the winter there are numerous skiing tracks, and the rest of the year hiking, boat trips, swimming, and fishing are readily available.

During the cold winters, Acadians generally cooked soups, using whatever ingredients were readily available.

During this time David sent a small group of men to Nabal with a request for what provisions were readily at hand.

During this time, researchers at experiment stations of the land-grant universities and USDA saw that adults in the farming community did not readily accept new agricultural discoveries, but educators found that youth would experiment with these new ideas and then share their experiences and successes with the adults.

During his period in Berlin, he came in contact with and was greatly influenced by Friedrich Carl von Savigny, Alexander von Humboldt, Eduard Gans, and especially Professor Leopold von Ranke, whose ideas on the necessity for politicians to be acquainted with historical science he readily adopted.

During the late 1990s, the occupant of the " live-work " loft was more likely to be a " dot-commie ", as South of Market became a local center of the dot-com boom, due to its central location, space for infill housing development, and spaces readily converted into offices.

During the production cycle of a model, EMD would often make detail changes that were not readily apparent to the casual observer.

During this time people readily started to become very interested again in her work as much of it came to home video.

During the era of Estonian national awakening the elements in the literary mythology were quickly and readily incorporated into contemporary popular culture through media and school textbooks.

During winter, these sheep occupy high-elevation, windswept ridges and tend to prefer south-facing slopes where snow melts more readily or migrate to lower elevations () in sagebrush-steppe areas to avoid deep snow and to find forage.

During the Edo period, many formalized rules were put into place: in times of war the tsuka should be presented to the right allowing the sword to be readily unsheathed.