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- 검색키워드
- 저자 : Jessop, Robin S. (검색결과 7 건)
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Agency, structure, institutions, discourse (ASID) in urban and regional development
Frank Moulaert,Jessop, Bob,Abid Mehmood 서울시립대학교 도시과학연구원 2016 도시과학국제저널 Vol.20 No.3
This paper presents the relations among agency (A), structure (S), institutions (I), and discourse (D) and their analytical relevance for socio-economic development. It argues that an adequate account of these relations must recognize their inherent spatio-temporality and, hence, their space–time dynamics. This is not an optional extra but a definite descriptive and explanatory requirement. Moreover, while structure is recognized as a product of pathdependent institutionalization and path-shaping (collective) agency, agency is seen in turn as discursively and materially reproduced and transformed. This approach treats structure in terms of a differential spatio-temporal configuration of constraints and opportunities, reference to which informs the empirical analysis of strategic agency within the overall agency, structure, institutions, discourse (ASID) heuristic. The paper concludes with an eightfold typology of particular combinations of ASID features to guide analyses of socio-economic development in all its (dis-) junctural complexity.
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Validation of a new magnetometric survey for mapping 3D subsurface leakage paths
박동순,Mike L. Jessop 한국지질과학협의회 2018 Geosciences Journal Vol.22 No.6
Techniques for more reliable detection of 3D subsurface flow paths are highly important for most water-related geotechnical projects. In this case study, a magnetometric resistivity method with a new approach and state-of-the-art technology (“Willowstick survey”) was applied to the testbed dam (YD dam) site, and its applicability was validated by geotechnical investigation techniques including borehole drilling and sampling, Lugeon test, flow direction and velocity test, and seismic tomography. In addition to the magnetometric survey, a 3D electrical resistivity survey was performed independently and the results were compared and discussed. The electrical resistivity survey was effective in detecting groundwater levels, but it was limited in mapping leakage paths. On the other hand, the Willowstick magnetometric survey effectively detected geologic weaknesses (e.g., fault fracture) and potential leakage paths of the dam site foundation rocks. The results of this research are expected to be effective for water infrastructures where leakage is an important issue.
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A population-based study of breast implant illness
Magno-Padron, David A.,Luo, Jessica,Jessop, Terry C.,Garlick, Jared W.,Manum, Joanna S.,Carter, Gentry C.,Agarwal, Jayant P.,Kwok, Alvin C. Korean Society of Plastic and Reconstructive Surge 2021 Archives of Plastic Surgery Vol.48 No.4
Background Despite evidence supporting the safety of breast implants, some women associate their implants with adverse health effects and have called this syndrome "breast implant illness." We sought to characterize breast implant illness symptoms and to report how implant removal affects their symptoms. Methods An anonymous 20 question survey was administered to the Facebook group: "UTAH Breast Implant Illness" to characterize the symptoms these women attributed to their breast implants. Several questions allowed us to evaluate how implant removal affected women's symptoms. Results Of the 182 respondents, 97% report that implants negatively affect their health and 95% identify these symptoms with breast implant illness. Ninety-six percent of respondents had implants placed for cosmetic reasons and 51% had silicone implants. The most common symptoms associated with breast implant illness are brain fog (95%), fatigue (92%), joint pain (80%), and hair loss (74%). Sixty percent of respondents learned about breast implant illness from family/friends and/or social media platforms (56%), 40% of respondents had their implants removed, and 97% report relief of their symptoms post-removal (23% complete, 74% partial). Following explantation, there was a significant improvement in all but one reported symptom. An association was found between the number of symptoms reported prior to explantation and the number of symptoms resolving following explantation. Conclusions Breast implant illness is a syndrome characterized by fatigue, decreased focus, hair loss, and joint pain after the placement of breast implants. Nearly all patients report improvement of symptoms after implant removal. Significant efforts should be made to better understand breast implant illness and its etiology.
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Influence of nitrogen fertilization and isoxaflutole on the nodulation of chickpea (Cicer arietinum)
Datta, Avishek,Sindel, Brian M.,Kristiansen, Paul,Birchall, Craig,Jessop, Robin S.,Felton, Warwick L. The Korean Society of Weed Science and The Turfgra 2011 Weed Biology and Management Vol.11 No.2
The effects of soil nitrate and the herbicide, isoxaflutole, on chickpea nodulation were examined in a glasshouse experiment. The treatments consisted of one isoxaflutole-tolerant and one isoxaflutole-sensitive chickpea cultivar, five nitrate concentrations (0, 0.75, 1.5, 3.0, and 6.0 $mmol\;L^{-1}$), and three herbicide rates (0, 75 [the recommended rate], and 300 $g\;ha^{-1}$). The sensitive cultivar was more susceptible to isoxaflutole damage with an increasing herbicide rate and nitrate concentration, compared with the tolerant cultivar. Isoxaflutole at the recommended rate reduced the nodule dry weight of the sensitive cultivar by 51% and by 33% in the tolerant cultivar. The nodule dry weight of the sensitive cultivar was reduced by 28%, 40%, 64%, and 76% with the addition of the 0.75, 1.5, 3.0, and 6.0 $mmol\;L^{-1}$ nitrate concentrations, respectively. In comparison, the nodule dry weight of the tolerant cultivar was reduced by 50% and 79% at the 3.0 and 6.0 $mmol\;L^{-1}$ nitrate concentrations, respectively. In addition, the level of damage from increasing rates of isoxaflutole increased with the highest nitrate concentrations of 3.0 and 6.0 $mmol\;L^{-1}$, regardless of the cultivar. Isoxaflutole at the recommended application rate had a detrimental effect on the nodulation of both chickpea cultivars, but the isoxaflutole-tolerant cultivar suffered less injury than the sensitive one in relation to some growth parameters. The damage to chickpea from the recommended rate of isoxaflutole also increased with soils of higher nitrate content.
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Alain Tundidor-Camba,Claudio A. Terraza,Luis H. Tagle,Deysma Coll,Pablo Ortiz,Germán Pérez,Ignacio A. Jessop 한국고분자학회 2017 Macromolecular Research Vol.25 No.3
Aromatic polyimides (PIs) containing a cyclopropylamide moiety as bulky polar pendant group were prepared in high yield and were structurally characterized. Polyimides containing 4,4’-hexafluoroisopropyliden diphthalic anhydride and bis(3,4-dicarboxyphenyl)dimethylsilane anhydride were soluble in aprotic polar organic solvents, while those PI derived from benzophenone-3,3′,4,4′-tetracarboxylic dianhydride with a keto central unit was insoluble. The relationship between bulky pendant group and the nature of the central moiety of the dianhydride monomer respect to the thermal properties of the PIs was studied. All PIs were thermally stable showing thermal decomposition temperature with the 10% weight loss (TDT10%) between 425-480 ºC. The glass transition temperature (Tg) values range between 265 and 315 oC. Mechanical properties from films of a selected PI were tested too.
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