http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
The use of small scale model testing to compare connection methods of steel purlins
Urquhart, Stephen M.,Kavanagh, Kenneth T. Techno-Press 1998 Structural Engineering and Mechanics, An Int'l Jou Vol.6 No.5
Testing of steel roof purlins is usually performed on full scale models in large vacuum test rigs. To undertake a comparison between web cleat connected purlins and flange bolted purlins a series of tests were performed on a 1:4 small scale model vacuum test rig. Various modelling issues need to be addressed to ensure reasonable comparison with actual constructed roof framing methods but still be suitable for an economical comparison between the connection methods. Model test results were supported by, and found to be in reasonable agreement with, deflection predictions from computer models based on finite element methods. This paper discusses the testing methods adopted and the value of small scale model testing programs as a means of obtaining comparisons between framing options.
Sarcopenia and Post-Operative Morbidity and Mortality in Patients with Gastric Cancer
O'Brien, Stephen,Twomey, Maria,Moloney, Fiachra,Kavanagh, Richard G.,Carey, Brian W.,Power, Derek,Maher, Michael M.,O'Connor, Owen J.,O'Suilleabhain, Criostoir The Korean Gastric Cancer Association 2018 Journal of gastric cancer Vol.18 No.3
Purpose: Surgical resection for gastric adenocarcinoma is associated with significant post-operative morbidity and mortality. The aim of this study was to assess the prognostic significance of sarcopenia in patients undergoing resection for gastric adenocarcinoma with respect to post-operative morbidity and survival. Materials and Methods: A retrospective analysis was conducted on a cohort of consecutive patients who underwent surgical resection for gastric adenocarcinoma between 2008 and 2014. Patient demographics, radiological parameters, and pathological data were collected. OsiriX software (Pixmeo) was used to measure skeletal muscle area, which was normalized for height to calculate skeletal muscle index. Results: A total of 56 patients (41 male, 15 female; mean age, $68.4{\pm}11.9years$) met the inclusion criteria. Of these, 36% (20 of 56) of the patients were sarcopenic pre-operatively. Both sarcopenic and non-sarcopenic patient groups were equally matched with the exception of weight and body mass index (P=0.036 and 0.001, respectively). Sarcopenia was associated with a decreased overall survival (log-rank P=0.003) and was an adverse prognostic predictor of overall survival in multivariate analysis (hazard ratio, 10.915; P=0.001). Sarcopenia was a predictor of serious in-hospital complications in multivariate analysis (odds ratio, 3.508; P=0.042). Conclusions: In patients undergoing curative resection for gastric cancer, there was a statistically significant association between sarcopenia and both decreased overall survival and serious post-operative complications. The measurement and reporting of skeletal muscle index on pre-operative computed tomography should be considered.
Highly selective trace ammonium removal from dairy wastewater streams by aluminosilicate materials
Elaine O’Connor,Oisin N. Kavanagh,Drahomir Chovan,David G. Madden,Patrick Cronin,Ahmad B. Albadarin,Gavin M. Walker,Alan Ryan 한국공업화학회 2020 Journal of Industrial and Engineering Chemistry Vol.86 No.-
Water is a key solvent, fundamental to supporting life on earth. It is equally important in many industrialprocesses, particularly within agricultural and pharmaceutical industries, which are major drivers of theglobal economy. The results of water contamination by common activity in these industries is well knownand EU Water Quality Directives and Associated Regulations mandate that NH4+ concentrations ineffluent streams should not exceed 0.3 mg L 1, this has put immense pressure on organisations andindividuals operating in these industries. As the environmental andfinancial costs associated with waterpurification begin to mount, there is a great need for novel processes and materials (particularlyrenewable) to transform the industry. Current solutions have evolved from combating toxic sludge to theuse of membrane technology, but it is well known that the production of these membrane technologiescreates a large environmental footprint. Zeolites could provide an answer; their pore size and chemistryenable efficient removal of aqueous based cations via simple ion exchange processes. Herein, wedemonstrate efficient removal of NH4+ via both static and dynamic methodology for industrialapplication. Molecular modelling was used to determine the cation–framework interactions which willenable customisation and design of superior sorbents for NH4+ capture in wastewater.
Betsy H. Salazar,Kristopher A. Hoffman,Chuan Zhang,Alex Kavanagh,Timothy B. Boone,Alvaro Munoz 대한배뇨장애요실금학회 2017 International Neurourology Journal Vol.21 No.4
Purpose: To simultaneously monitor electrical discharges in various bladder regions and the external urethral sphincter (EUS) during voiding contractions, and to assess the functional role of myogenic modulation of the lower urinary tract (LUT) by ionotropic purinergic receptors containing the P2X3 subunit. Methods: Female Sprague-Dawley rats were anesthetized with urethane, and implanted with a suprapubic catheter for open cystometry. Flexible microelectrodes were placed ventrally in the bladder dome, upper bladder, lower bladder, and bladder base, along with the middle section of the exposed EUS. Intravesical P2X3-containing receptors were blocked with AF-323, a specific P2X3-P2X2/3 receptor antagonist. A digital electrophysiology amplifier was used to record electrical and cystometric signals throughout the LUT. Results: Electrical activity in the LUT started before effective voiding contractions. Bladder pressure and electrical waveforms showed consistent out-of-phase activity when compared with the recordings made at the EUS. This pattern was also observed during voiding contractions in the presence of AF-353, supporting the hypothesis that during bladder distension, activation of P2X3-containing receptors is required for voiding contractions. Furthermore, the inhibition of P2X3-containing receptors significantly decreased the amplitude of electrical signals in the urinary bladder, but not the base or EUS. Conclusions: Our results provide novel information about the regulation of the micturition process by P2X3-containing receptors located in the inner layers of the bladder.
Sarcopenia and Post-Operative Morbidity and Mortality in Patients with Gastric Cancer
Stephen O Brien,Maria Twomey,Fiachra Moloney,Richard G. Kavanagh,Brian W. Carey,Derek Power,Michael M. Maher,Owen J. OConnor,Criostoir ÓSúilleabháin 대한위암학회 2018 Journal of gastric cancer Vol.18 No.3
Purpose: Surgical resection for gastric adenocarcinoma is associated with significant post-operative morbidity and mortality. The aim of this study was to assess the prognostic significance of sarcopenia in patients undergoing resection for gastric adenocarcinoma with respect to post-operative morbidity and survival. Materials and Methods: A retrospective analysis was conducted on a cohort of consecutive patients who underwent surgical resection for gastric adenocarcinoma between 2008 and 2014. Patient demographics, radiological parameters, and pathological data were collected. OsiriX software (Pixmeo) was used to measure skeletal muscle area, which was normalized for height to calculate skeletal muscle index. Results: A total of 56 patients (41 male, 15 female; mean age, 68.4 ± 11.9 years) met the inclusion criteria. Of these, 36% (20 of 56) of the patients were sarcopenic pre-operatively. Both sarcopenic and non-sarcopenic patient groups were equally matched with the exception of weight and body mass index (P=0.036 and 0.001, respectively). Sarcopenia was associated with a decreased overall survival (log-rank P=0.003) and was an adverse prognostic predictor of overall survival in multivariate analysis (hazard ratio, 10.915; P=0.001). Sarcopenia was a predictor of serious in-hospital complications in multivariate analysis (odds ratio, 3.508; P=0.042). Conclusions: In patients undergoing curative resection for gastric cancer, there was a statistically significant association between sarcopenia and both decreased overall survival and serious post-operative complications. The measurement and reporting of skeletal muscle index on pre-operative computed tomography should be considered.
SUPERNOVA REMNANTS IN THE MAGELLANIC CLOUDS
BOZZETTO, LUKE M.,FILIPOVIC, MIROSLAV D.,HABERL, FRANK,SASAKI, MANAMI,KAVANAGH, PATRICK,MAGGI, PIERRE,UROSEVIC, DEJAN,STURM, RICHARD The Korean Astronomical Society 2015 天文學論叢 Vol.30 No.2
We present an ongoing study of the complete sample of supernova remnants (SNRs) and candidates in the Magellanic Clouds. 108 objects in both Clouds are considered to be either SNR or reliable candidates. This represents the most complete sample of all known SNRs in any galaxy. It therefore allows us to study SNR population properties such as the age-diameter (Age-D) relation. Here, we show that this Age-D relation is strongly dependant on the local environment in which SNRs are residing.