In “A Description of New-England‚” Captaine John Smith speaks of the treasures the new land brought both the royalty of England and the peasants. This land was a place that anyone could prosper‚ and many voyaged across the ocean to have what we now refer to as “The American Dream.” They would prosper in ways they never could in England. Smith writes about the lifestyle Pilgrims came to know: “If he have but the taste of virtue‚ and magnanimitie‚ what to such a minde can bee more pleasant‚ then planting
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that the species was first introduced in the U.S. as adults or larvae present in ballast water discharged from incoming global trade ships. The first specimen in the U.S. was recorded in Townsend Inlet‚ Cape May County‚ NJ in 1988. The first appearance in Massachusetts was near Woods Hole on Cape Cod in 1992. By 1994‚ the Asian shore crab was identified in my hometown of Fairhaven‚ MA. As a precautionary measure‚ the ballast water of incoming international trade ships are monitored to prevent and eradicate
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Chemical Oxygen Demand (COD)Introduction:The Chemical Oxygen Demand (COD) test is the standard method for measuring the amount of pollution in a sample that is unable to be oxidised biologically.Oxidation takes place on both the organic and inorganic component but as the organic component is more dominant‚ it is of more significant interest.In the COD test‚ the amount of oxidation that takes place depends on sample COD concentration‚ digestion time
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games. The reason is because there is only one military based game that is dominating the market every year is Call of Duty. As a COD (Call of Duty) player myself‚ I have been since Black Ops. So I can understand the appeal of these games‚ single player campaign in COD offers some of the exhilarating action. I never knew that there would be a FPS that could rival COD until I played Battlefield 3.
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reactor was started-up in step-wise loading rates beginning from 0.05kg carbon oxygen demand (COD)/m3-day to 3.50kg-COD/m3-day. The hydraulic retention time (HRT) was slowly decreased from 96 hrs to eight hrs. It was observed that the removal efficiency of COD of more than 73% can be easily achieved at an HRT of more than 16 hours corresponding to an average organic loading rate (OLR) of 3.0kg-COD/m3-day‚ at neutral pH and constant temperature of 29oC. The average VFAs (volatile fatty acids)
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Choose 1 European Country that colonized between 1500-1600’s in the New World and detail their colonization. Include What‚ When‚ Where‚ Why‚ How‚ Was. One major country that colonized the New World was Spain. In the 15th century in Spain‚ women were 2nd class citizens who had no authority or power in general. However‚ the new king and queen of Spain-Ferdinand of Aragon and Isabella Castille come into power equally. At this time Christopher Columbus seeks out the king and queen of Spain to grant
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The Story of My Life by: Helen Keller I. INTRODUCTION Helen Keller overcame different difficult obstacles of deafness and blindness to become an influential lecturer and social activist. She has become‚ in American culture‚ an icon of perseverance‚ respected and honored by readers‚ historians‚ and activists. Helen began working on The Story of My Life while she was a student at Radcliffe College‚ and it was first published in installments in Ladies’ Home Journal. Helping her was an editor
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Standard Methods for the Examination of Water and Wastewater 5210 BIOCHEMICAL OXYGEN DEMAND (BOD)*#(1) 5220 CHEMICAL OXYGEN DEMAND (COD)*#(2) 5220 A. Introduction Chemical oxygen demand (COD) is defined as the amount of a specified oxidant that reacts with the sample under controlled conditions. The quantity of oxidant consumed is expressed in terms of its oxygen equivalence. Because of its unique chemical properties‚ the dichromate ion (Cr2O72–) is the specified oxidant in Methods
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industry wastewater treatment. 6.1.1 Anaerobic treatment Treatment method Opportunities Limitations Anaerobic •Small reactor size •Less energy required •Excess sludge low •Up to 90% of VSS removal • Energy production • High COD loading • Effluent quality good (in terms of COD) •Oil and grease are not easily degraded • Partly degrades organics • Post-treatment of effluent is often required Anaerobic treatment method for concentrated wastewater‚ in terms of pollutants (as the sugar industry wastewater)
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(AOX) and the chemical oxygen demand (COD). The pulp and paper industry is one of the major industries in India causing water pollution. The manufacture of paper yields a significant quantity of waste-water. It is estimated that 273–450 m3 of water is required to produce 1 ton of paper and about 60– 300 m3 of wastewater is discharged (Subramanium 1976; Thompson et al.
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