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 this study septic conditions developed in the oxidation pond in the spring when the ice melted.

During this time Thomas Aquinas began to study under Albertus.

During the civil war following the death of Eric III of Denmark in 1146, Absalon travelled abroad to study theology in Paris, while Esbern fought for Valdemar's ascension to the throne.

During the 19th century, the fields of science and art became increasingly intertwined as scientists such as Michael Faraday began to study the damaging effects of the environment to works of art.

During the past few centuries of detailed, scientific study of the Bronze Age, it has become clear that on the whole, the use of copper or bronze was only the most stable and therefore the most diagnostic part of a cluster of features marking the period.

During the 1993 policy debate, the National Defense Research Institute prepared a study for the Office of the Secretary of Defense published as Sexual Orientation and U. S. Military Personnel Policy: Options and Assessment.

During the middle of the century, the study of normative ethics declined as meta-ethics grew in prominence.

During these years, the study of electricity was largely considered to be a subfield of physics.

During the Great Depression the organization conducted an Eight Year study evaluating the effects of progressive programs.

During the classical period in Greece ( 6th, 5th and 4th centuries BCE ) and in Hellenistic times, natural philosophy slowly developed into an exciting and contentious field of study.

During the 1970s and 1980s, second-wave feminists saw the study of history as a male-dominated intellectual enterprise and presented " herstory " as a means of compensation.

During this period, he seems to have found time for study and writing.

During this time, he continued to study the scholars of the Fabian Society including Beatrice Webb.

During medieval times, when learning came under the purview of the Church, these subjects ( called the Trivium ) were extended to include mathematics, geometry, music, and astronomy ( which included the study of astrology ).

During the 1990s, Gell-Mann's interest turned to the emerging study of complexity.

During Paganini's study in Parma, he came across the 24 Caprices of Locatelli ( entitled L ' arte di nuova modulazione – Capricci enigmatici or The art of the new style – the enigmatic caprices ).

During the Middle Ages, the study of politics was widespread in the churches and courts.

During this period, Gosse made a special study of sea anemone ( Actiniae ) and in 1860 published Actinologia Britannica.

During this period he studied under, among others, Alexander Winkler, Anatoly Lyadov, Nikolai Tcherepnin and Nikolai Rimsky-Korsakov ( though when Rimsky-Korsakov died in 1908, Prokofiev noted that he had only studied orchestration with him ' after a fashion ' – that is, he was just one of many students in a heavily attended class — and regretted that he otherwise ' never had the opportunity to study with him ').

During the 15th and 16th centuries, a new intensive form of Talmud study arose.

During the occupation, Koreans who were able to study and receive rankings in Japan were exposed to Japanese martial arts.

During the High Middle Ages, theology was therefore the ultimate subject at universities, being named " The Queen of the Sciences " and serving as the capstone to the Trivium and Quadrivium that young men were expected to study.

During his 20s, Herbert Marcuse was a student in Freiburg, where he went to study under Martin Heidegger, one of Germany's most prominent philosophers.