904 resultados para Maryland infantry. 1st District of Columbia and Maryland regt., 1847-1848.


Relevância:

100.00% 100.00%

Publicador:

Resumo:

Fifteen maps folded in pocket.

Relevância:

100.00% 100.00%

Publicador:

Resumo:

General note: Title and date provided by Bettye Lane.

Relevância:

100.00% 100.00%

Publicador:

Resumo:

Relief shown by hachures. Depths shown by soundings.

Relevância:

100.00% 100.00%

Publicador:

Resumo:

To maintain a strict balance between demand and supply in the US power systems, the Independent System Operators (ISOs) schedule power plants and determine electricity prices using a market clearing model. This model determines for each time period and power plant, the times of startup, shutdown, the amount of power production, and the provisioning of spinning and non-spinning power generation reserves, etc. Such a deterministic optimization model takes as input the characteristics of all the generating units such as their power generation installed capacity, ramp rates, minimum up and down time requirements, and marginal costs for production, as well as the forecast of intermittent energy such as wind and solar, along with the minimum reserve requirement of the whole system. This reserve requirement is determined based on the likelihood of outages on the supply side and on the levels of error forecasts in demand and intermittent generation. With increased installed capacity of intermittent renewable energy, determining the appropriate level of reserve requirements has become harder. Stochastic market clearing models have been proposed as an alternative to deterministic market clearing models. Rather than using a fixed reserve targets as an input, stochastic market clearing models take different scenarios of wind power into consideration and determine reserves schedule as output. Using a scaled version of the power generation system of PJM, a regional transmission organization (RTO) that coordinates the movement of wholesale electricity in all or parts of 13 states and the District of Columbia, and wind scenarios generated from BPA (Bonneville Power Administration) data, this paper explores a comparison of the performance between a stochastic and deterministic model in market clearing. The two models are compared in their ability to contribute to the affordability, reliability and sustainability of the electricity system, measured in terms of total operational costs, load shedding and air emissions. The process of building the models and running for tests indicate that a fair comparison is difficult to obtain due to the multi-dimensional performance metrics considered here, and the difficulty in setting up the parameters of the models in a way that does not advantage or disadvantage one modeling framework. Along these lines, this study explores the effect that model assumptions such as reserve requirements, value of lost load (VOLL) and wind spillage costs have on the comparison of the performance of stochastic vs deterministic market clearing models.

Relevância:

100.00% 100.00%

Publicador:

Resumo:

Toxoplasmosis is a worldwide zoonosis caused by Toxoplasma gondii that can infect a large variety of animals, including humans. The present study aimed to evaluate the frequency of anti-T. gondii antibodies in dogs from a peripheral district of Botucatu and to establish the association among some epidemiological variables in order to evaluate risk factors for toxoplasmosis infection. Serum samples from dogs were screened using an indirect fluorescent antibody (IFA) test. Anti-T. gondii antibody prevalence was 56%. The highest titer was 1024 (1.79%) and the most frequent titers were 16 (57.14%) and 64 (33.93%). The chi-square (X-2) test revealed significant association among variables such as dog access to street, ingestion of raw meat and presence of synantropic animals in the domestic environment. These results demonstrate that toxoplasmosis is present in dogs from Jardim Santa Elisa district.

Relevância:

100.00% 100.00%

Publicador:

Resumo:

The goals of this study were to evaluate techniques for collection of peritoneal fluid from calves, establish reference ranges for fibrinogen in peritoneal fluid during the 1st month of life, and determine if abomasal puncture would alter peritoneal fluid or hematologic variables. Twenty-two healthy Holstein calves underwent 3 peritoneal fluid collections on day 1, day 15, and day 30 of age. Fibrinogen concentration in peritoneal fluid was 0.20 g/dL and 0.10 g/dL (P < .05) for day 1 and day 30, respectively, and 0.10 at day 15 (P > .05) for calves without abomasal puncture. Plasma fibrinogen concentration was 0.60 g/dL and 0.70 g/dL (P < .05) for days 15 and 30, respectively, in calves without abomasal puncture. There were no significant differences (P <= .05) in peritoneal fluid and peripheral blood total protein and fibrinogen concentrations, specific gravity, total and differential cell count, or erythrocyte counts between calves with or without abomasal puncture. We concluded that the reference ranges established for fibrinogen and total protein concentration are important for accurate evaluation of peritoneal fluid in calves for further comparison with similar-aged animals with gastrointestinal-tract or abdominal-cavity disease. Additionally, accidental abomasal puncture does not alter values of fibrinogen, total protein, and nucleated cell Count in peritoneal fluid and does not cause apparent clinical abnormalities.

Relevância:

100.00% 100.00%

Publicador:

Resumo:

Consists of one report for each of the 50 States, the District of Columbia, and The United States.

Relevância:

100.00% 100.00%

Publicador:

Resumo:

A semi-weekly paper that was published from 1801 to 1817. It was previously called the Independent chronicle and the universal advertiser, and was later the Independent chronicle and Boston patriot (Semiweekly). Publishers were Abijah Adams and Ebenezer Rhoades. Topics of interest in this issue include: Page 1: report of Independence Day celebration including multiple toasts to the military; Page 2: report of South Carolina militia marching home; report of U.S. schooner Alligator being lost to a tornado in Port Royal; report of 10,000 militia and 2,000 regular Army troops to be used in defense of the District of Columbia and vicinity; report U.S. is to try to raise 100,000 militia for defense; news of British deserters providing information to the U.S.; report of skirmishes along the U.S. coast; statement from U.S. Navy Capt. David Porter stating he had taken possession of Sir Henry Martin's Island; report of British troops burning a militia barracks in Lewiston, N.Y.; 4 accounts of the battle of Chippewa and the taking of Fort Erie; statement from Maj. Gen. Brown in praise of his troops in the battle of Chippewa; copy of General Brown's orders to attack at Fort Erie; essay arguing against U.S. citizens boarding enemy ships; report of peace treaty rumours; Page 3: account of Capt. Porter's capture and subsequent escape from the British; list of American prisoners held on the British ship Nymph; report of British cargo ship captured by U.S. war ship; Proclamation from James Madison pardoning military deserters if they return to military service; announcement to officers and soldiers in the military offering reward for the return of military deserters; Page 4: 2 reward advertisements for return of military deserters;

Relevância:

100.00% 100.00%

Publicador:

Resumo:

8th meeting held jointly with the District of Columbia Bankers' Association.