42 resultados para Tacoma


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In the field of copper metallurgy, the major chang­es effected in the original metallurgical scheme have been based largely upon the lowering in grade of copper ores, and the more particular demands of the fabricators of the metal. The former trend fostered the development of mineral beneficiation, which in turn caused the con­version from blast furnace to reverberatory furnace smelting.

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Mode of access: Internet.

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At head of title: War Department. Corps of Engineers, U.S. Army and United States Shipping Board ..

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At head of title: War Department. Corps of Engineers, United States Army and United States Shipping Board.

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Thesis (Ph.D.)--University of Washington, 2016-06

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We present a macrogeographic study of spatial heterogeneity in an important subarctic Pacific copepod and describe the first genetic analysis of population structure using Continuous Plankton Recorder (CPR) samples. Samples of Neocalanus cristatus were collected at a constant depth of similar to 7 m from two CPR tow-routes, (i) an east-west similar to 6500-km transect from Vancouver Island, Canada to Hokkaido Island, Japan, and (ii) a north-south transect of similar to 2250 km from Anchorage, Alaska to Tacoma, Washington. Analysis of these samples revealed three features of the biology of N. cristatus. First, N. cristatus undergoes small-scale diel vertical migration that is larger among stages CV- adult (3-6 times more abundant at 7 m at night), than stages CI-CIV (only 2-4 times higher at night). Secondly, while there were no regions where N. cristatus did not appear, each transect sampled a few large-scale macrogeographic patches. Thirdly, an analysis of molecular variation, using a partial sequence of the N. cristatus cytochrome oxidase I gene, revealed that 7.3% (P < 0.0001) of the total genetic variation among N. cristatus sampled from macrogeographic patches by the CPR could be explained by spatial heterogeneity. We suggest that spatial heterogeneity at macrogeographic scales may be important in plankton evolution.

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This is a research B for the University of Bologna. The course is the civil engineering LAUREA MAGISTRALE at UNIBO. The main purpose of this research is to promote another way of explaining, analyzing and presenting some civil engineering aspects to the students worldwide by theory, modeling and photos. The basic idea is divided into three steps. The first one is to present and analyze the theoretical parts. So a detailed analysis of the theory combined with theorems, explanations, examples and exercises will cover this step. At the second, a model will make clear all these parts that were discussed in the theory by showing how the structures work or fail. The modeling is able to present the behavior of many elements, in scale which we use in the real structures. After these two steps an interesting exhibition of photos from the real world with comments will give the chance to the engineers to observe all these theoretical and modeling-laboratory staff in many different cases. For example many civil engineers in the world may know about the air pressure on the structures but many of them have never seen the extraordinary behavior of the bridge of Tacoma ‘dancing with the air’. At this point I would like to say that what I have done is not a book, but a research of how this ‘3 step’ presentation or explanation of some mechanical characteristics could be helpful. I know that my research is something different and new and in my opinion is very important because it helps students to go deeper in the science and also gives new ideas and inspirations. This way of teaching can be used at all lessons especially at the technical. Hope that one day all the books will adopt this kind of presentation.

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This article describes our efforts in Tacoma, Washington, to establish professional and natural helper partnerships to work with families involved in the child protective service system. It uses our experiences to describe the ways that natural helpers and professionals can help one another in getting better results for families.

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This qualitative study examines the attributes or perceptions of service providers and overseers as to the effectiveness of intensive family preservation services provided by a social services agency in Tucson, Arizona. The services provided are patterned after the Homebuilders' model developed in 1974 in Tacoma, Washington. Data collection was generated from interviews and focus groups with the in-home service providers, the program supervisor, and investigators and case managers with Child Protective Services (CPS). Although placement prevention rates (PPR) are the dependent variable in most studies on this form of intervention, this study seeks to understand those characteristics of the model that contribute to successful outcomes with client families. Those appear to be the short-term intervention coupled with a non-judgmental approach to client families and the clinical supervision provided by the program supervisor.