33 research outputs found

    Alien Registration- Witherly, Eva H. (Millinocket, Penobscot County)

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    https://digitalmaine.com/alien_docs/8209/thumbnail.jp

    Alien Registration- Witherly, John R. (Millinocket, Penobscot County)

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    https://digitalmaine.com/alien_docs/8210/thumbnail.jp

    Duck Populations and the Oil and Gas Industry in the Boreal Plains of Alberta

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    The boreal forest of northern Alberta supports a large portion of North America’s breeding duck population in addition to being an area of importance to the petroleum industry. Breeding duck surveys in the Boreal Plains ecozone show several ground nesting species are in decline while cavity and over-water nesters are showing both positive and negative population trends since the 1970s. Industry has been identified as a limiting factor that may be influencing duck populations and species composition in the region, but there has been limited empirical research to test this assertion. The objectives of this research were to (1) assess the hypothesis that as aerial extent and activity associated with industry increases, breeding waterfowl populations will decrease over the same time period and (2) determine the best climate data aggregations when modelling industrial effects on duck populations. Mixed effects logistic regression models were used to analyse relationships between breeding duck pair counts and a combination of climate, environmental, landscape, and industry variables. Top models showed consistent results across nesting guilds, including a small, negative relationship between breeding pairs and cumulative areas of petroleum infrastructure, and a positive relationship between both cumulative infrastructure edge and industrial activity with breeding pairs. The impact of using different seasonal classifications for understanding relationships between breeding duck populations and industrial development was examined using no climate data (null), and annual, two, four, and five seasons. Predictions of duck densities across gradients of oil and gas infrastructure and activity were generated using models fit with different seasonal aggregations. Different seasonal aggregations showed similar patterns for relationships between industry variables and breeding duck density but the presence of industry variables in models did vary by seasonal classification. Variation was also observed between nesting guild and industry measure for predicted duck pair densities."I am very grateful for the support of the Institute of Wetland and Waterfowl Research at Ducks Unlimited Canada for supporting my graduate studies and for championing the role of science within conservation."Master of Science in Bioscience, Public Policy and Technolog

    Geophysical properties of an epithermal Au-Ag deposit in British Columbia, Canada

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    The Newton Au-Ag deposit is an intermediate sulfidation state epithermal system in British Columbia, Canada. Multiple types of geophysical data are interpreted and evaluated with drillcore petrophysical, geochemical and geological observations to better understand the geophysical signature of the Newton epithermal system. Airborne γ-ray datasets show elevated emission counts of K, eTh, and eU over the Newton epithermal system that are caused by hydrothermal alteration. Drillcore γ-ray measurements also show high potassium concentrations related to the K-rich phyllosilicates in the form of argillic and quartz-sericite alteration assemblages. Magnetization vector inversion (MVI) is used to recover an unconstrained 3D magnetization vector model of the system on regional and deposit scales. The regional MVI has resolved a deep concentric shaped low magnetic zone that is interpreted as a porphyry system beneath the epithermal deposit. At the deposit scale, 3D direct current (DC) resistivity and induced polarization (IP) inversion, and unconstrained MVI revealed finer details of epithermal system architecture. Cooperative DC/IP and magnetic inversion, at the deposit scale, constrained the magnetic susceptibility model and recovered a more precise susceptibility image of the epithermal system that is well-matched with borehole geology. The integrated geophysical interpretation helped to resolve several 3D latent geological features in places without direct access to drillcore samples. We identified four petrophysical domains based on the three cooperatively inverted physical properties, including electrical resistivity, IP chargeability, and magnetic susceptibility. The combined geophysical models differentiated porphyritic intrusions (chargeability/susceptibility lows), disseminated sulfides (resistivity lows and chargeability highs), a Cu-rich zone in mafic volcanic rocks (susceptibility/chargeability highs and resistivity lows), and a Au-Ag-Cu-rich zone with silicification in felsic volcanic rocks (chargeability/susceptibility lows and resistivity highs). These petrophysical domains also provide useful exploration vectors for identification of similar epithermal systems

    12.グルタミン酸ナトリウムはglucagon like peptide-1の食後早期の分泌を促進し, 食後血糖の上昇を抑制する

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    The purpose of this study was to compare the growth and nutritional status of infants fed different diets, some of whom received a low-fat formula. Beginning at four to six months of age, 101 infants were fed whole cow\u27s milk, one of two low-fat follow-up formulas, or a standard infant formula until 12 months of age. Weight, recumbent length, and head circumference were measured at one-month intervals. Analyses of status (values at an age) for all examinations showed no significant differences among the feeding groups in status for weight or recumbent length, but there were significant differences in head circumference for boys and for girls after adjustments for the initial values. Head circumferences were smaller in those fed whole cow\u27s milk and relatively large in those fed follow-up formula, but these differences were small and not of clinical significance. Comparisons with national reference data showed growth in weight, recumbent length, and head circumference was normal regardless of feeding group. These results indicate that, during the second half year of infancy, the use of lower fat concentrations in the follow-up formulas did not retard growth in weight, recumbent length, or head circumference

    Perspective: Measuring Sweetness in Foods, Beverages, and Diets: Toward Understanding the Role of Sweetness in Health.

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    Various global public health agencies recommend minimizing exposure to sweet-tasting foods or beverages. The underlying rationale is that reducing exposure to the perception of sweet tastes, without regard to the source of sweetness, may reduce preferences for sweetness, added sugar intake, caloric intake, and body weight. However, the veracity of this sequence of outcomes has yet to be documented, as revealed by findings from recent systematic reviews on the topic. Efforts to examine and document the effects of sweetness exposure are needed to support evidence-based recommendations. They require a generally agreed-upon methodology for measuring sweetness in foods, beverages, and the overall diet. Although well-established sensory evaluation techniques exist for individual foods in laboratory settings, they are expensive and time-consuming, and agreement on the optimal approach for measuring the sweetness of the total diet is lacking. If such a measure could be developed, it would permit researchers to combine data from different studies and populations and facilitate the design and conduct of new studies to address unresolved research questions about dietary sweetness. This narrative review includes an overview of available sensory techniques, their strengths and limitations, recent efforts to measure the sweetness of foods and diets across countries and cultures, and a proposed future direction for improving methods for measuring sweetness toward developing the data required to support evidence-based recommendations around dietary sweetness

    The evolution of minerals exploration over 60 years and the imperative to explore undercover

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    Alien Registration- Witherly, Eva H. (Millinocket, Penobscot County)

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    https://digitalmaine.com/alien_docs/8209/thumbnail.jp
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