1,721,140 research outputs found

    Wu Yuping holding a leafy plant

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    Photo from Dimen Village of Wu Yuping holding up a recently dug up leafy plant.https://scholarlycommons.pacific.edu/kam-photos/3696/thumbnail.jp

    THE PROGNOSTIC ABILITY OF PULMONARY ARTERIAL CAPACITANCE EXCEEDS THAT OF PULMONARY VASCULAR RESISTANCE IN ADVANCED LEFT SIDED HEART FAILURE

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    Background: Right ventricular(RV) failure frequently occurs in left-sided heart failure(HF) and independently prognosticates. we investigated the determinants and prognostic role of the RV afterload measure pulmonary arterial capacitance (PAC), defined as the quotient of stroke volume and pulmonary arterial pulse pressure. Methods: We reviewed 724 HF patients who underwent right heart catheterization between 2000 and 2005. Survival was defined as freedom from all-cause mortality and transplantation. Results : In our patient cohort (age 55 ± 11 years, EF 19 ± 9 %), median PAC was 2.5 [1.60 - 3.96] mL/mmHg. PAC showed an inverse relation with pulmonary vascular resistance (PVR), that best fitted a hyperbola. Increasing wedge pressure lowered PAC at similar PVR values [(Figure 1)]. RV failure, defined as grade 3 or 4 hypokinetic motion, was better explained by PAC than PVR (AUC ROC 0.74 vs 0.67, p = 0.003). During 3.2 ± 2.2 years of follow-up, 224 deaths (31%) and 163 transplants (23%) occurred. In univariate analysis, both lower PAC (p<0.0001) and higher PVR (p<0.0001) predicted adverse events but PAC was stronger (C-statistic 69 vs 64, p = 0.02). In multivariate analysis, PAC but not PVR remained an independent predictor (Hazard ratio = 0.92 [0.84 - 1.0], p=0.04]) after adjustment for risk factors such as NYHA class, age, cardiac index, RV function and GFR

    Wu Yunxia, performer in Kam professional choir with Zhang Zhanxian, her husband.

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    Photo of Wu Yunxia, a performer in Kam\u27s professional choir with her husband Zhang Zhanxian on the left and Wu Yuping on the right.https://scholarlycommons.pacific.edu/kam-photos/1070/thumbnail.jp

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed

    Cooking mulberry bark

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    Photo from Dimen Village of Jennifer Little and Marie Anna Lee photographing Wu Meitz cooking of mulberry bark. Wu Yuping and Ivy Zhang Menhui are talking in the background.https://scholarlycommons.pacific.edu/kam-photos/2502/thumbnail.jp

    Wu Yunxia, performer in Kam professional choir with Zhang Zhanxian, her husband and others eating.

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    Photo of Wu Yunxia, a performer in Kam\u27s professional choir with her husband, Zhang Zhanxian on the left and Wu Yuping in the center, Jennifer Little and Zhang Menhui on the right eating.https://scholarlycommons.pacific.edu/kam-photos/1071/thumbnail.jp

    Man inspecting his catch

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    Photo from Dimen Village of Wu Yuping inspecting his catch and removing it from the hook. There is forestry and fields in the background.https://scholarlycommons.pacific.edu/kam-photos/1490/thumbnail.jp

    Variations on the Author

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    “Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship

    Appropriate Similarity Measures for Author Cocitation Analysis

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    We provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
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