During this precarious period of development the mother should continue to influence the growth of the child's conscience.

During the period from 1 July 1960 through 31 January 1961, additional research affiliations were effected with the U. S. Army Medical Research and Development Command to conduct research in procedures for quantitative electron microscopy, and for the study of biophysical and biological studies of the structure and function of ocular tissue.

During this period, a total of 762 exhibits were presented at 442 medical and scientific meetings.

During the period of this report, 37,470 new cases were entered into the various registries.

During this period, 7,827 teaching sets were distributed on loan.

During the period of this report, 63 panel exhibits depicting the latest developments in medical research were displayed.

During the period, the laboratory rendered centralized macropathological service to qualified requesters.

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 period of about 4 hours around sunset, skywave transmission conditions are building up until full nighttime conditions prevail ; ;

During the Civil War period Mr. Brown also invented the Brown & Sharpe formed tooth gear cutter, a basic invention which ultimately revolutionized the world's gear manufacturing industry by changing its basic economics.

During this period 7,484,268 members were received, yet the net membership now is only 9,910,741.

During the period of the Iberian Union ( 1580 – 1640 ), Portugal lost influence and power and made new enemies.

During the Romantic period, art came to be seen as " a special faculty of the human mind to be classified with religion and science ".< ref >

During the same period the Georgian states of Colchis and Tabal arose around the Black Sea and central Anatolia respectively.

During this same period, slave-holding border states had more free African-Americans and European immigrants than the lower South, which increased Southern fears that slavery was threatened with rapid extinction in this area.

During this period he published 18 plays and 3 novels, including the murder mystery The Red House Mystery ( 1922 ).

During this period winter sports were slowly introduced: in 1882 the first figure skating championship was held in St. Moritz, and downhill skiing became a trendy sport with English visitors early in the 20th century, as the first ski-lift was installed in 1908 above Grindelwald.

During the post-World War I period ski-lifts were built in Swiss and Austrian towns to accommodate winter visitors, but summer tourism continued to be important ; by the mid-20th century the popularity of downhill skiing increased greatly as it became more accessible and in the 1970s several new villages were built in France devoted almost exclusively to skiing, such a Les Menuires.

During the first 11 months of 2006, net imports grew by 21 percent to $ 1. 95 billion, while exports stood at $ 895 million, up 0. 3 percent from the same period in 2005.

During the first 11 months of 2006, the European Union remained Armenia's largest trading partner, accounting for 34. 4 percent of its $ 2. 85 billion commercial exchange during the 11-month period.

During January – February 2007, Armenia ’ s trade with Russia and other former Soviet republics was $ 205. 6 million ( double the amount from the same period the previous year ), making them the country ’ s number one trading partner.

During this period, spectator attendances dropped and media condemnation increased, but Simpson and Lawry flatly disregarded the public dissatisfaction.

During the Tokugawa period ( 1600 – 1868 ) the Ainu became increasingly involved in trade with Japanese who controlled the southern portion of the island that is now called Hokkaido.

During this period Agamemnon and his brother, Menelaus, took refuge with Tyndareus, King of Sparta.

During the Akkadian period, the Akkadian language became the lingua franca of the Middle East, and was officially used for administration, although the Sumerian language remained as a spoken and literary language.

During the same period Dürer trained himself in the difficult art of using the burin to make engravings.

During grand jury testimony in December 2003 – which was illegally leaked to the San Francisco Chronicle and published in December 2004 – Giambi allegedly admitted to using many different steroids, including fertility drugs ( which could account for his declining health in the past few years ).

During the early eighties, nearly all BASE jumps were made using standard skydiving equipment, including two parachutes ( main and reserve ), and deployment components.

During this period, teams using Brabham cars won championships in Formula Two and Formula Three.

During the early twentieth century, electro-mechanical machines were invented to do encryption and decryption using transposition, polyalphabetic substitution, and a kind of " additive " substitution.

During the game most Capoeira moves are used, but capoeiristas usually avoid using punches or elbow strikes unless it's a very aggressive game.

During World War II, street-style craps became popular among soldiers, who often played it using an Army blanket as a shooting surface.

During this process, new capsid subunits are synthesized according to the genetic material of the virus, using the protein biosynthesis mechanism of the cell.

During its rebuilding period, Chicago constructed the world's first skyscraper in 1885, using steel-skeleton construction.

During the war, Trumbo received letters from individuals " denouncing Jews " and using Johnny to support their arguments for " an immediate negotiated peace " with Nazi Germany ; Trumbo reported these correspondents to the FBI.

During the late 1990s and early 2000s, a number of games were created using DHTML, but differences between browsers made this difficult: many techniques had to be implemented in code to enable the games to work on multiple platforms.

During the 19th and early 20th century, many smaller or less developed languages saw their first encyclopedias, using French, German, and English role models.

During live performances, a musician can operate rackmounted effects using a " foot controller ".

During 1874, French telegraph operator Louis Victor Mimault patented a telegraph system using five separate lines to transmit.

During the 1960s and 1970s German mathematician Heinrich Heesch developed methods of using computers to search for a proof.

During WW2 the pro-nazi NSB used it, so using that version today would be the same as hoisting the red swastika flag.

During pre-production, Ishirō Honda had toyed with the idea of using Willis O ' Brien's stop motion technique instead of the suitmation process used in the first two Godzilla films, but budgetary concerns prevented him from using the process, and the more cost efficient suitmation was used instead.

During this time, European manufacturers also began regularly purifying saltpeter, using wood ashes containing potassium carbonate to precipitate calcium from their dung liquor, and using ox blood, alum, and slices of turnip to clarify the solution.

During the first part of his reign Philip II tried using Henry II of England's son against him.

During this time, Bobby displayed sub-atomic control of energy transfers when he prevented Sunfire from using his fire-based powers.

During an interview Lord Phillips was quoted by the Financial Times as saying: "' in an ideal world ' Commonwealth countries — including those in the Caribbean — would stop using the Privy Council and set up their own final courts of appeal instead.

During production Lewis developed the technique of using video cameras and multiple closed circuit monitors, which allowed him to review his performance instantly.

During his speech at the capital, Voight stated the White House was using " radical Chicago tactics " in hopes to pass health care reform.