913 resultados para Closing of schools
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Deep-sea benthic foraminiferal faunas were studied from Sites 608 (depth 3534 m, 42°50'N, 23°05'W) and 610 (depth 2427 m, 53°13'N, 18°53'W). The sampling interval corresponded to 0.1 to 0.5 m.y. at Site 608 and in the sections of Site 610 from which core recovery was continuous. First and last appearances of benthic foraminiferal taxa are generally not coeval at the two sites, although the faunal patterns are similar and many species occur at both sites. Major periods of changes in the benthic faunas, as indicated by the numbers of first and last appearances and changes in relative abundances, occurred in the early Miocene (19.2-17 Ma), the middle Miocene (15.5-13.5 Ma), the late Miocene (7-5.5 Ma), and the Pliocene-Pleistocene (3.5-0.7 Ma). A period of minor changes in the middle to late Miocene (10-9 Ma) was recognized at Site 608 only. These periods of faunal changes can be correlated with periods of paleoceanographic changes: there was a period of sluggish circulation in the northeastern North Atlantic from 19.2 to 17 Ma, and the deep waters of the oceans probably cooled between 15.5 and 13.5 Ma, as indicated by an increase in delta18O values in benthic foraminiferal tests. The period between 10 and 9 Ma was probably characterized by relatively vigorous bottom-water circulation in the northeastern Atlantic, as indicated by the presence of a widespread reflector. The faunal change at 7 to 5.5 Ma corresponds in time with a worldwide change in delta13C values, and with the Messinian closing of the Mediterranean. The last and largest faunal changes correspond in time with the onset and intensification of Northern Hemisphere glaciation.
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Two short time intervals centered at 2.3 and 4.7 Ma were studied to investigate short-term variations in surface-ocean processes as indicated by changes in the radiolarian microfossil population. These time intervals represent two different settings of late Neogene climate. The older interval represents a time when tropical circulation between the Pacific and Atlantic oceans was not blocked by the Isthmus of Panama, whereas the younger interval represents a time when Northern Hemisphere glaciation was present but did not display the dominance of the 100,000-yr cycle that characterizes the late Pleistocene. The younger time slice at 2.3 Ma was sampled at all Leg 138 sites except Site 844, where significant reworking was evident. All sites except 844, 853, and 854 were sampled for the older time slice. Samples were taken at 10- to 20-cm intervals at each site and spanned a GRAPE density maximum and minimum. Thus, it was possible to investigate whether the changes in carbonate content (as indicated by GRAPE density) were associated with changes in surface-ocean conditions (indicated by radiolarian assemblage variations). For both time slices, the radiolarian data indicate that intervals of decreased carbonate content are periods of cooler water conditions and possibly enhanced biogenic production. Times of increased carbonate content are associated with inferred warmer oceanographic conditions, as indicated by the dominance of tropical assemblages at 2.3 Ma and tropical and western Pacific assemblages during the time slice centered at 4.8 Ma. However, the spatial patterns of change during each time slice show a distinct difference in the mapped patterns of radiolarian assemblage dominance. The older time slice, representing a period before the closing of the Isthmus of Panama, shows more zonal patterns presumably associated with a more zonal character of equatorial circulation. After the closing of the isthmus, the shifts in faunal patterns between times of high and low carbonates are characterized by shifts in the dominance of the tropical and transitional assemblages, respectively, throughout the region.
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Title from spine.
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Translation by Francisco de Paula Jacou [i.e. Jaku] of A classical dictionary for the use of schools.
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"Consisting of narrative, descriptive, argumentative, didactic, pathetic, and humorous pieces ... calculated to improve the scholar in reading and speaking ... designed for the use of schools and academies."
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Vol. for 1959 has also a distinctive title.
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The closing of the circuit.--A cow, two men, and a parson.--The rivals.--A chemical comedy.--A hero of the cloth.--The subconscious Finnegan.--The torpedo.--The submarine.--Fifty fathoms down.--The enemies.--The vitality of Dennis.--The helix.--The shark.--The mutiny.
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None published 1872/73-1873/74.
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Intended for "Illinois public school districts, regional superintendents, architects and engineers. The Health/Life Safety Facility Handbook is a reference manual for understanding various requirements, processes, and forms used in administering the health/life safety code as referenced in 23 Illinois Administrative Code, Subtitle A, Part 180, Health/Life Safety Code for Public Schools"--Foreword.
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The Task Force was charged with exploring the causes and consequences of bullying in schools in this State, identifying promising practices that reduce incidences of bullying, highlighting training and technical assistance opportunities for schools to effectively address bullying, evaluating the effectiveness of schools current anti-bullying policies and other bullying prevention programs, and other related issues. Under tight time constraints, the Task Force has met that change. The Illinois State Board of Education will post this report on its webpage devoted to the Task Force (http://www.isbe.net/SBPTF/default.htm). Moreover in the near future, the Task Force will produce an Executive Summary of this report which the ISBE will also include on the Task Force webpage.
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The task, in six books -- Epistle to Joseph Hill, esq. -- Tirocinium, or, A review of schools.
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"This ed. has been carefully edited and abridged for the use of schools."--Pref. note.
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At head of title: ... Sophocles in single plays for the use of schools, edited with introduction and English notes by Lewis Campbell ... and Evelyn Abbot ...
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Prepared for the use of schools and drawn from the author's "The book of fables" and "The book of folkstories".
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Verso of t.p.: Published March, 1905.