25,518 research outputs found
Portrait of author David Foster at the National Library of Australia, Canberra, 8 June 2011 /
Title from acquisitions documentation.; Part of the collection: Portraits of author David Foster at the National Library of Australia, Canberra, 8 June 2011.; Acquired in digital format; access copy available online.; Mode of access: Online.; Photographed by a staff member of the National Library of Australia
Author David Foster with academic Jeff Doyle at the National Library of Australia, Canberra, 8 June 2011 /
Title from acquisitions documentation.; Part of the collection: Portraits of author David Foster at the National Library of Australia, Canberra, 8 June 2011.; Acquired in digital format; access copy available online.; Mode of access: Online.; Photographed by a staff member of the National Library of Australia
Author David Foster and academic Jeff Doyle at the National Library of Australia, Canberra, 8 June 2011 /
Title from acquisitions documentation.; Part of the collection: Portraits of author David Foster at the National Library of Australia, Canberra, 8 June 2011.; Acquired in digital format; access copy available online.; Mode of access: Online.; Photographed by a staff member of the National Library of Australia
Effect of framework Si/Al ratio on the mechanism of CO2 adsorption on the small-pore zeolite gismondine
Here, we compare the CO2 adsorption properties of the Na+ form of a series of gismondine (framework type GIS) zeolites with Si/Al ratios of 1.5–4.7 in order to understand the effect of framework Al (thus extraframework Na+) content on the actual adsorption mechanism on this type of small-pore zeolites. Negligible CO2 uptake (≤0.7 mmol g−1 at 25 °C and 1.0 bar) was observed for Na-GIS-1.5 and Na-GIS-2.2, because the number of extraframework cations near their 8-ring windows are large enough to sterically hinder CO2 adsorption. Unlike that on Na-GIS-4.7 with an uptake of 3.0 mmol g−1, on the other hand, CO2 adsorption on Na-GIS-2.5, Na-GIS-2.8, and Na-GIS-3.0 was found to show one clear step but at different pressures, probably due to small differences in the number of gating cations with high site occupancy located near the distorted 8-ring windows. While the adsorption behavior of both Na-GIS-2.8 and Na-GIS-3.0 appears to begin by the relocation of some gating cations with high site occupancy without notable structural breathing, i.e., the cooperative cation gating-breathing mechanism, with the former effect being more dominant, the behavior of Na-GIS-2.5 and Na-GIS-4.7 can be understood based on the cation gating and molecular sieving effects, respectively. The overall results of this study demonstrate that the framework Si/Al ratio of GIS-type zeolites is key to governing their CO2 adsorption mechanism.11Nsciescopu
sj-pdf-1-jhi-10.1177_14604582221106396 – Supplemental Material for Comparative analysis of machine learning approaches for predicting frequent emergency department visits
Supplemental Material, sj-pdf-1-jhi-10.1177_14604582221106396 for Comparative analysis of machine learning approaches for predicting frequent emergency department visits by Razieh Safaripour and Hyun Ja “June” Lim in Health Informatics Journal</p
Inductive Micro Displacement Detecting System with High Sensitivity and Low Linearity Error
A newly designed inductive micro displacement detecting system is presented. The proposed inductive system consists of driving coils, position-detecting coils, cores, and closed-loop formed magnetic blocks. The cores and magnetic blocks are made of Mn-Zn ferrite. When AC sine wave is applied to the driving coils, the time derivative flux is generated within the system, and then induced voltages arise in the position-detecting coils according to the core\`s position. Putting the cores to be moved proportionally to the input displacement, the induced voltage is proportional to input displacement. The parameters that affect the system characteristics are turn ratio, air-gap size, excitation frequency, overlap area, load resistance, capacitance effect, and so forth. Based on the experimental results, the system parameters are selected in such a way as to have high sensitivity ad stable responses. The sensitivity of the proposed inductive displacement-detecting system is greater than 2800mV.V-1mm-1 and the linearity error is below ±0.10% in the range of ±200㎛
Jinjoo Cho, Violin, and Hyun Soo Kim, Piano
June 3rd, 2016
Jinjoo Cho, violin; Hyun Soo Kim, piano. Jinjoo Cho is the Gold Medalist of the 2014 Indianapolis International Violin Competition. Performed Joan Tower: String Force; Clara Schumann: 3 Romances for Violin and Piano, Op. 22; Ellen Taaffe Zwilich: Fantasy for Solo Violin; John Corigliano: Sonata for Violin and Piano; Franz Waxman: Carmen Fantasie.https://digitalcommons.rockefeller.edu/tri-institutional-noon-recitals/1134/thumbnail.jp
Bias-Compensated Pseudo-measurement Tracking Filter Design in Line-of-Sight Coordinates
Target tracking using pseudo-measurement is widely used because of its simple implementation and computational advantages despite biased behavior. The biasedness of the pseudo-measurement tracking filter originates from a measurement-dependent Kalman gain and a state-dependent non-Gaussian biased noise. This paper proposes a bias-compensated pseudo-measurement filter considering a range rate measurement in the line-of-sight Cartesian coordinate system. Firstly, a pseudo-measurement model incorporating range rate measurements in line-of-sight coordinates is derived. The noise and measurement covariance of a proposed de-biased pseudo-measurement model are shown to be statistically consistent for highly noisy measurements. Secondly, a bias-compensated pseudo-measurement filter that adopts modified gain to suppress the estimation bias is formulated. The asymptotic stability of a proposed filter is further discussed. Lastly, simulation results show that a proposed de-biased pseudo-measurement filter is very effective in considering a range rate measurement.
Going Beyond Counting First Authors in Author Co-citation Analysis
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
Inhibitory Effects of an Antioxidant Coating on a Polylactic Acid Film on Inflammatory Cytokines from Macrophage
Polylactic acid (PLA) films have been widely used in medical devices for surgical treatments. However, their use has been associated with complications, such as inflammation around the PLA film implant area. Several antioxidant agents have been incorporated on the surface of PLA films to suppress initial excessive inflammatory reactions through the quenching of reactive oxygen species (ROS) released from macrophages. The suppression of inflammation was evaluated by measuring the levels of various pro-inflammatory cytokines produced by the macrophages. In addition, by measuring quercetin release behavior, we determined the optimum type and molecular weight of the film coating polymer for the effective suppression of inflammation. These results suggest that the incorporation and controlled release of quercetin could be a promising method to reduce inflammation induced by PLA films. © 2015 The Polymer Society of Korea. All rights reserved.
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