985 resultados para Bays, Davis H., 1839-1905.


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[Abt. 1] hrsg. durch die Historische commission bei der K. Akademie der wissenschaften. Abt. 2-3 hrsg. vom Verein für Hansische geschichte.

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The Welland Canal Company was formed in 1824 by William Hamilton Merritt. Construction of the first Welland Canal began in 1829 and was completed in 1834. The canal ran south from Port Dalhousie along Twelve Mile Creek to St. Catharines. An extension was built in 1833 to Gravelly Bay, now Port Colborne. As ships became larger and the wooden locks deteriorated, the need for a new canal became apparent. In 1839, the government purchased the Welland Canal Company’s assets and began making plans for the construction of a second canal. Construction began in 1841 and was completed by 1845. In 1887, a third Welland Canal was completed, which operated until 1932, when a fourth canal was completed. This canal remains in operation today.

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Seven manuscript journals written by Abiel Heywood (Justice of the Peace, town clerk, and chairman of the board of selectmen, Concord, Mass.), Nathan Brooks, William Parkman, and John L. Tuttle containing criminal records, defaulted cases, and civil actions.

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This collection consists of one quarter bill and three butler's bills, all sent to Charles Davis while he was an undergraduate at Harvard College. The quarter bill is from August 1795 and the butler's bills are from February and November 1793 and July 1796. John Pipon and Timothy Alden were the butlers at this time, and Caleb Gannett was the steward (responsible for the quarter bill).

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2 scans made - 1 using as is scanner settings (looks most like original) - one using the autocolor correct setting on the scanner (no fiddling by operator!). Original appearance - hs#.1of2, autocolor = hs#.2of2

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In 2005, Stephen Abram, vice president of Innovation at SirsiDynix, challenged library and information science (LIS) professionals to start becoming “librarian 2.0.” In the last few years, discussion and debate about the “core competencies” needed by librarian 2.0 have appeared in the “biblioblogosphere” (blogs written by LIS professionals). However, beyond these informal blog discussions few systematic and empirically based studies have taken place. A project funded by the Australian Learning and Teaching Council fills this gap. The project identifies the key skills, knowledge, and attributes required by “librarian 2.0.” Eighty-one members of the Australian LIS profession participated in a series of focus groups. Eight themes emerged as being critical to “librarian 2.0”: technology, communication, teamwork, user focus, business savvy, evidence based practice, learning and education, and personal traits. Guided by these findings interviews with 36 LIS educators explored the current approaches used within contemporary LIS education to prepare graduates to become “librarian 2.0”. This video presents an example of ‘great practice’ in current LIS education as it strives to foster web 2.0 professionals.

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This project assessed the potential impact of untreated sewage release in a near-shore marine environment of Antarctica through the distribution and characterisation of the faecal indicator bacteria Enterococcus. Antibiotic resistance and genome sequencing analyses revealed that enterococci resistant to multiple antibiotics closely related to clinical pathogens were introduced to the pristine Antarctic environment by Australia's Davis station.

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The properties and toxicity of untreatedwastewater at Davis Station, East Antarctica,were investigated to inform decisions regarding the appropriate level of treatment for local discharge purposes and more generally, to better understand the risk associated with dispersal and impact of wastewaters in Antarctica. Suspended solids, nutrients (nitrogen, phosphorus), biological oxygen demand (BOD), metals, organic contaminants, surfactants and microbiological load were measured at various locations throughout the wastewater discharge system. Wastewater quality and properties varied greatly between buildings on station, each ofwhich has separate holding tanks. Nutrients, BOD and settleable solid levelswere higher than standard municipal wastewaters. Microbiological loads were typical of untreated wastewater. Contaminants detected in the wastewater included metals and persistent organic compounds, mainly polybrominated diphenyl ethers (PBDEs). The toxicity of wastewater was also investigated in laboratory bioassays using two local Antarctic marine invertebrates, the amphipod Paramoera walkeri and the microgastropod Skenella paludionoides. Animals were exposed to a range of wastewater concentrations from3% to 68% (test 1) or 63% (test 2) over 21 days with survival monitored daily. Significant mortality occurred in all concentrations of wastewater after 14 to 21 days, and at higher concentrations (50–68% wastewater) mortality occurred after only one day. Results indicate that the local receiving marine environment at Davis Station is at risk from existing wastewater discharges, and that advanced treatment is required both to remove contaminants shown to cause toxicity to biota, as well as to reduce the environmental risks associated with non-native micro-organisms in wastewater.