Relevant bibliographies by topics / [602.3

Academic literature on the topic '[602.3'

Author: Grafiati
Published: 30 May 2022
Last updated: 31 May 2022

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Journal articles on the topic "[602.3"

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Pickardt, Joachim, and Pamela Droas. "Metallkomplexe mit Hexamethylentetramin als Ligand, V II [1] Kristallstrukturen des Zinkchlorid-Adduktes ZnCl2 • C6H12N4 und des Zinkbromid-Adduktes ZnBr2-C6H12N4 / Metal Complexes with Hexamethylenetetramine as a Ligand, V II [1] Crystal Structures of the Zinc Chloride Adduct ZnCl2 • C6H12N4, and the Zinc Bromide Adduct ZnBr2 • C6H12N4." Zeitschrift für Naturforschung B 40, no. 12 (December 1, 1985): 1756–58. http://dx.doi.org/10.1515/znb-1985-1228.

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Abstract By reaction of zinc chloride and zinc bromide with hexamethylenetetramine in water/methanol crystals of the adducts ZnCl2 • C6H12N4 and ZnBr2 • C6H12N4, resp. were obtained. The compounds are isotypic, they crystallize in the orthorhombic space group P21am (non-standard setting of space group Pmc21, No. 26), Z = 2. The lattice parameters of the zinc chloride adduct are a = 1168.0(4), b = 685.7(4), and c = 601.1(4) pm, of the zinc bromide adduct a - 1188.9(6), b = 721.5(5), and c = 602.3(4) pm. The adducts are polymeric, they form parallel chains in the crystal. The zinc atoms are bonded to two halogen atoms and, via nitrogen atoms, to two hexamethylenetetramine molecules, which act as bidentate ligands. The coordination of the zinc atoms is approximately tetrahedral
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Sato, Motonori, Yoshifumi Tamura, Hideyoshi Kaga, Nozomu Yamasaki, Mai Kiya, Satoshi Kadowaki, Daisuke Sugimoto, et al. "Short-Term SGLT2 Inhibitor Administration Does Not Alter Systemic Insulin Clearance in Type 2 Diabetes." Biomedicines 9, no. 9 (September 3, 2021): 1154. http://dx.doi.org/10.3390/biomedicines9091154.

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Background: Decreased insulin clearance could be a relatively upstream abnormality in obesity, metabolic syndrome, and nonalcoholic fatty liver disease. Previous studies have shown that sodium-glucose cotransporter 2 inhibitor (SGLT2i) increases insulin–C-peptide ratio, a marker of insulin clearance, and improves metabolic parameters. We evaluated the effects of the SGLT2i tofogliflozin on metabolic clearance rate of insulin (MCRI) with a hyperinsulinemic euglycemic clamp study, the gold standard for measuring systemic insulin clearance. Methods: Study participants were 12 Japanese men with type 2 diabetes. We evaluated MCRI and tissue-specific insulin sensitivity with a hyperinsulinemic euglycemic clamp (insulin infusion rate, 40 mU/m2·min) before and immediately after a single dose (n = 12) and 8 weeks (n = 9) of tofogliflozin. We also measured ectopic fat in muscle and liver and the abdominal fat area using 1H-magnetic resonance spectroscopy and magnetic resonance imaging, respectively, before and after 8 weeks of tofogliflozin. Results: MCRI did not change after a single dose of tofogliflozin (594.7 ± 67.7 mL/min·m2 and 608.3 ± 90.9 mL/min·m2, p = 0.61) or after 8 weeks (582.5 ± 67.3 mL/min·m2 and 602.3 ± 67.0 mL/min·m2, p = 0.41). The 8-week treatment significantly improved glycated hemoglobin and decreased body weight (1.7%) and the subcutaneous fat area (6.4%), whereas insulin sensitivity and ectopic fat in muscle and liver did not change significantly. Conclusions: MCRI did not change after a single dose or 8 weeks of tofogliflozin. Increased MCRI does not precede a decrease in body fat or improved glycemic control.
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Liu, Yandong, Xingzhu Wen, Jun Bai, Xiangguo Ji, Kangkang Zhi, and Lefeng Qu. "A Single-Center, Randomized, Controlled Comparison of the Transradial vs Transfemoral Approach for Cerebral Angiography: A Learning Curve Analysis." Journal of Endovascular Therapy 26, no. 5 (July 1, 2019): 717–24. http://dx.doi.org/10.1177/1526602819859285.

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Purpose: To compare the characteristics and learning curve of the transfemoral approach (TFA) vs the transradial approach (TRA) for cerebral angiography. Materials and Methods: Between February 2016 and April 2017, 101 patients undergoing cerebral angiography were enrolled. Fifty-one patients (mean age 67 years; 40 men) were randomized to TFA and 50 (mean age 68 years; 41 men) to TRA using a computer-generated random table. The patients’ demographic and angiographic data were recorded and analyzed. The learning curve of a novice interventionist was analyzed for procedure time, puncture time, fluoroscopy time, and contrast volume as markers of technical proficiency with TFA compared with TRA. Median values are given with the interquartile range (IQR). Results: Procedure time [35 (IQR 30, 47.5) vs 31.0 (IQR 25.0, 48.9) minutes, p=0.16), fluoroscopy time [10.3 (IQR 7.6, 13.9) vs 9.4 (IQR 6.1, 17.6) minutes, p=0.70], contrast volume [105 (IQR 92, 120) vs 95.5 (IQR 90, 111.3) mL, p=0.13), radiation exposure [390.2 (IQR 268.2, 617.9) vs 455.8 (IQR 286.8, 602.3) mGy, p=0.74], and the number of catheter exchanges [1 (IQR 1, 3) vs 1 (IQR 1, 1), p=0.06] were not significantly different between the TFA and TRA groups, respectively, but puncture time was shorter with TFA than with TRA [0.6 (IQR 0.5, 1.1) vs 1 (IQR 0.6, 1.9) minutes, p=0.01]. The learning curve was steeper with TRA than with TFA in the beginning stages of training, but with increasing experience, the procedure and fluoroscopy times were better for TRA than for TFA. Training progress was made earlier in TRA. Conclusion: TRA is a reasonable alternative to TFA for cerebral angiography. TRA has a shorter learning curve for novice interventionists.
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Yin, Hongli, Ji Ma, Jichun Han, Maoru Li, and Jing Shang. "Pharmacokinetic comparison of quercetin, isoquercitrin, and quercetin-3-O-β-D-glucuronide in rats by HPLC-MS." PeerJ 7 (March 26, 2019): e6665. http://dx.doi.org/10.7717/peerj.6665.

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Background Quercetin (Qr), isoquercitrin (IQ), and quercetin-3-O-β-D-glucuronide (QG) are powerful phytochemicals that have been shown to exhibit disease prevention and health promotion properties. However, there may exist transformations between Qr, IQ, and QG in vivo. And the pharmacokinetic profiles of Qr, IQ, and QG have not been systematically compared. The pharmacokinetics study would be helpful to better understand the pharmacological actions of them. Methods Herein, we developed a reliable HPLC-MS method to compare the pharmacokinetics of Qr, IQ, and QG after separate (50 mg/kg) oral administration of them in rats, using puerarin as internal standard. The detection was performed using negative selected ion monitoring. This method was validated in terms of selectivity, linearity, precision, accuracy, extraction recovery, matrix effect, and stability; and shows reliabilities in monitoring the pharmacokinetic behaviors of these three compounds. Results Our results showed that after separate oral administration of Qr, IQ, and QG, all of the compounds could be detected in plasma. In addition, QG could be detected in the Qr group; Qr and QG could be measured in the IQ group; and Qr could be found in rat plasma after 1.5 h of QG administration. Moreover, the AUC0−t of Qr in the; Qr group (2,590.5 ± 987.9 mg/L*min), IQ group (2,212.7 ± 914.1 mg/L*min), and QG group (3,505.7 ± 1,565.0 mg/L*min) was larger than the AUC0−t of QG in the; Qr group (1,550.0 ± 454.2 mg/L*min), IQ group (669.3 ± 188.3 mg/L*min), and QG group (962.7 ± 602.3 mg/L*min). The AUC0−t of IQ was the lowest among all groups. Discussion Quercetin, IQ, and QG can all be absorbed into plasma. A mutual transformation exists between Qr and QG, and IQ can be metabolized into Qr and QG in SD rats. These results would provide a meaningful basis for understanding the pharmacological actions of these three compounds.
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Xu, Xinghua, Xiaolei Chen, Fangye Li, Xuan Zheng, Qun Wang, Guochen Sun, Jun Zhang, and Bainan Xu. "Effectiveness of endoscopic surgery for supratentorial hypertensive intracerebral hemorrhage: a comparison with craniotomy." Journal of Neurosurgery 128, no. 2 (February 2018): 553–59. http://dx.doi.org/10.3171/2016.10.jns161589.

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OBJECTIVEThe goal of this study was to investigate the effectiveness and practicality of endoscopic surgery for treatment of supratentorial hypertensive intracerebral hemorrhage (HICH) compared with traditional craniotomy.METHODSThe authors retrospectively analyzed 151 consecutive patients who were operated on for treatment of supratentorial HICH between January 2009 and June 2014 in the Department of Neurosurgery at Chinese PLA General Hospital. Patients were separated into an endoscopy group (82 cases) and a craniotomy group (69 cases), depending on the surgery they received. The hematoma evacuation rate was calculated using 3D Slicer software to measure the hematoma volume. Comparisons of operative time, intraoperative blood loss, Glasgow Coma Scale score 1 week after surgery, hospitalization time, and modified Rankin Scale score 6 months after surgery were also made between these groups.RESULTSThere was no statistically significant difference in preoperative data between the endoscopy group and the craniotomy group (p > 0.05). The hematoma evacuation rate was 90.5% ± 6.5% in the endoscopy group and 82.3% ± 8.6% in the craniotomy group, which was statistically significant (p < 0.01). The operative time was 1.6 ± 0.7 hours in the endoscopy group and 5.2 ± 1.8 hours in the craniotomy group (p < 0.01). The intraoperative blood loss was 91.4 ± 93.1 ml in the endoscopy group and 605.6 ± 602.3 ml in the craniotomy group (p < 0.01). The 1-week postoperative Glasgow Coma Scale score was 11.5 ± 2.9 in the endoscopy group and 8.3 ± 3.8 in the craniotomy group (p < 0.01). The hospital stay was 11.6 ± 6.9 days in the endoscopy group and 13.2 ± 7.9 days in the craniotomy group (p < 0.05). The mean modified Rankin Scale score 6 months after surgery was 3.2 ± 1.5 in the endoscopy group and 4.1 ± 1.9 in the craniotomy group (p < 0.01). Patients had better recovery in the endoscopy group than in the craniotomy group. Data are expressed as the mean ± SD.CONCLUSIONSCompared with traditional craniotomy, endoscopic surgery was more effective, less invasive, and may have improved the prognoses of patients with supratentorial HICH. Endoscopic surgery is a promising method for treatment of supratentorial HICH. With the development of endoscope technology, endoscopic evacuation will become more widely used in the clinic. Prospective randomized controlled trials are needed.
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Ravens, Ursula, and Herbert M. Himmel. "[+]-EMD 60263?A Novel, Selective, Calcium-Sensitizing Agent." Cardiovascular Drug Reviews 16, no. 4 (December 1998): 346–58. http://dx.doi.org/10.1111/j.1527-3466.1998.tb00363.x.

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Chakraborty, Arghya, Jan Fulara, and John P. Maier. "Electronic Spectroscopy of a C7H4+ Isomer in a Neon Matrix: Methyltriacetylene Cation." Australian Journal of Chemistry 67, no. 3 (2014): 416. http://dx.doi.org/10.1071/ch13467.

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Absorptions commencing at 602.6 nm are detected following deposition of mass-selected C7H4+ in a 6 K neon matrix produced from a 1 : 1 mixture of diacetylene and propyne in an ion source. The 602.6 nm system, and a weaker one near 421.1 nm, are assigned to the A 2E ← X 2E and B 2E ← X 2E electronic transitions of methyltriacetylene cation (C3V symmetry), based on mass-selection, spectroscopic analysis of the vibrational structure, and the excitation energies calculated with CASPT2. Structured fluorescence is detected in the 600–760 nm range upon laser excitation at wavelengths of the CH3C6H+ absorptions. The vibrational bands observed in the absorption and fluorescence spectra are assigned with the aid of calculated frequencies of the totally symmetric (a1) vibrations of methyltriacetylene cation.
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Tomczyk, Dominik Tomasz. "Kalina Wojciechowska – Mariusz Rosik, Oczekując miłosierdzia. Komentarz strukturalny do Listu św. Judy (Warszawa: Wydawnictwo Naukowe Chrześcijańskiej Akademii Teologicznej 2020)." Verbum Vitae 39, no. 2 (June 30, 2021): 609–13. http://dx.doi.org/10.31743/vv.11813.

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Recenzja książki: Kalina Wojciechowska – Mariusz Rosik, Oczekując miłosierdzia. Komentarz strukturalny do Listu św. Judy (Warszawa: Wydawnictwo Naukowe Chrześcijańskiej Akademii Teologicznej 2020). Ss. 458. PLN 92,40. ISBN 978-83-60273-53-1.
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Luz, Iraci Borges Pereira da, Aguinaldo Gonçalves, and Vera Lucia Borges. "REFERÊNCIAS BIBLIOGRÁFICAS EM CIÊNCIAS DO ESPORTE: CONHECENDO E APLICANDO RECOMENDAÇÕES TÉCNICAS." Movimento (ESEFID/UFRGS) 3, no. 4 (August 19, 2007): 6–17. http://dx.doi.org/10.22456/1982-8918.2202.

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Fujda, Martin, Miloš Matvija, and Peter Horňak. "Effect of Pre-Straining and Natural Aging on the Hardening Response during Artificial Aging of EN AW 6082 and Lead Free EN AW 6023 Aluminium Alloys." Materials Science Forum 952 (April 2019): 82–91. http://dx.doi.org/10.4028/www.scientific.net/msf.952.82.

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In order to study the pre-straining and natural aging effects on the age-hardening response of EN AW 6082 and EN AW 6023 aluminium alloys during artificial aging at 170°C, the pre-straining by 5% was performed immediately after solution treatment of alloys at 550°C and subsequent quenching. The age-hardening response during artificial aging applied after various natural aging time (from 0.1 to 5 000 hours) was investigated using Vickers microhardness measurements and transmission electron microscopy characterization. It was found that pre-straining of quenched alloys state caused a dislocation density increasing in solid solution, which resulted in an immediate microhardness increase of alloys. During the subsequent natural aging of EN AW 6082 alloy, its microhardness increased right after alloy quenching and pre-straining, but only to the values obtained for the unstrained alloy state. On the contrary, the hardness of pre-straining EN AW 6023 alloy that is alloyed by Sn did not increase either after 10 hours of natural aging. This phenomenon is attributed to the effect of Sn on suppression of the strengthening clusters formation. The hardness of alloys increased greatly during artificial aging after pre-straining and natural aging due to accelerating the formation of coherent β″-phase particles. The negative effect of natural aging on the maximum age-hardening response obtained during alloys artificial aging had been observed for most of the pre-strained and naturally aged alloys states, with exception of EN AW 6023 alloy states that were pre-strained and shortly naturally aged (up to 100 hours).
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Dissertations / Theses on the topic "[602.3"

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Левтун, Ігор Ігорович. "Біотехнологія культивування мікроводоростей Chlorella vulgaris з підвищеним вмістом ліпідів." Doctoral thesis, Київ, 2017. https://ela.kpi.ua/handle/123456789/18980.

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Дисертація присвячена науково-технологічним основам біотехнології культивування мікроводоростей з підвищеним вмістом ліпідів з метою подальшого одержання біодизельного палива. Обґрунтовано та визначено умови культивування, за яких спостерігається раціональне співвідношення виходу біомаси та ліпідної фракції, при дії на культуру Chlorella vulgaris ультразвукового опромінення, інтенсивності та комбінації довжин хвиль світлового опромінення, зміні джерела нітрогену у складі поживного середовища. Експериментально визначено раціональні параметри технологічного процесу культивування мікроводоростей Chlorella vulgaris при поєднанні фізичних та хімічних методів впливу для спрямування метаболізму клітин у бік синтезу ліпідної фракції. Показано можливість виробництва біодизелю з мікроводоростей. Розроблено технологічну та апаратурні схеми культивування мікроводоростей з підвищеним вмістом ліпідів та виробництва з них біодизелю.
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Cockerton, Helen Maria. "Investigating the cost of adaptation in Amaranthus tuberculatus populations with evolved resistance to glyphosate." Thesis, University of Warwick, 2013. http://wrap.warwick.ac.uk/60253/.

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Amaranthus tuberculatus (Common Waterhemp) is a prevalent, problematic weed in Midwestern USA, where genetically-modified crops are widely grown, resulting in multiple annual applications of glyphosate. Such practices provide the selection pressure for the evolution of glyphosate resistance. Evolutionary theory predicts that adaptation to novel stresses, such as herbicide application, will incur a cost in the original (herbicide-free) environment. This project aims to identify whether glyphosate resistance in a population of Amaranthus tuberculatus was associated with a fitness cost in the absence of glyphosate. Initial dose response experiments on the study population determined a resistance index of 3.2 compared to a standard sensitive population. To generate appropriate material for comparisons between phenotypes, individual plants were cloned and their resistance status determined by glyphosate application. Parent plants were designated as resistant or susceptible and appropriate crosses were performed to generate seed lines. The incomplete segregation of resistant and susceptible seed lines indicated that resistance was controlled by a quantitative trait. EPSPS gene amplification was elucidated as the primary mechanism of glyphosate resistance. There was a strong positive relationship between half-sibling seed family LD50 and relative EPSPS gene copy number indicating that resistance was primarily caused by target-site gene amplification. Subsequent fitness experiments used seed families to determine that no fitness trade-off was associated with resistance (or gene copy number) when plants are grown without competition, in glasshouse and polytunnel growth environments. However, a small growth penalty was associated with elevated gene copy number in plants grown in a polytunnel, without competition (10% biomass reduction at +20 EPSPS copies), this led to competition experiments. A fitness cost was associated with resistance under intra-phenotypic competition; however, the cost was mitigated under inter-specific competition with maize. A cost was associated with glyphosate resistance and this cost was influenced by interactions with biotic and abiotic factors.
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Finnegan, Mary E. "Investigation of the relationship between iron and high field MRI in healthy and Alzheimer's disease tissue." Thesis, University of Warwick, 2013. http://wrap.warwick.ac.uk/60293/.

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It has been proposed that increased tissue iron concentration, which has been observed in certain regions of the brain in individuals with Alzheimer’s Disease (AD), could provide a marker for diagnosis through detection with MRI. This is investigated in this thesis using high field MRI to examine post mortem human brain tissue. It is shown here that by using data from multiple brain regions discriminant analysis can successfully differentiate between AD and control samples, even when no statistically significant differences are observed in individual brain regions. A unique set of complementary techniques was used to investigate iron content, R2 and R2* of tissue samples from the caudate nucleus, putamen, globus pallidus substantia nigra, amygdala and pons, from a set of three control and AD cases. The particulate iron content of the samples was investigated by SQUID magnetometry and was followed by iron quantification. A trend of increased particulate and total iron concentration was observed in the AD tissue compared to control, however this did not reach statistical significance in any brain region. High resolution MRI relaxometry at 9.4 T was carried out on tissue from the caudate nucleus, putamen, globus pallidus and substantia nigra using a custom design Bruker micro-imaging MicWB40 probe. As part of the work towards this PhD the probe was tested, and MRI relaxometry protocols optimised for high resolution (86 x 86 μm in plane, 150 μm slice thickness) mapping of tissue samples with high iron concentration. Again, no statistically significant differences were observed between AD and control tissue. However, discriminant analysis of these data (particulate or total iron or R2 or R2*) from multiple brain regions achieved differentiation between control and AD cases with 100% sensitivity and specificity for this small sample set. This demonstrates the potential clinical usefulness of MRI of measurements of non-haem brain iron to aid in disease diagnosis. Synchrotron X-ray fluorescence (SXRF) mapping of 30 μm thick sections, cut from the MRI samples, showed the relative concentration distribution of iron, copper and zinc in one AD and control sample from each brain region. Each metal was shown to have a distinct distribution. In particular, the inhomogeneity of iron concentration within individual brain regions, such as the putamen, was demonstrated. This may explain the wide variation in iron concentration reported in the literature for the same brain regions, and highlights the importance of close anatomical matching of samples when making comparisons. The ability of high resolution SXRF mapping to investigate the metal content within individual cells was demonstrated and used to show an increase in iron in individual AD neurons, in addition to the surrounding grey and white matter tissue. Spatially matched SXRF and MRI maps were used to demonstrate a strong, statistically significant linear relationship between tissue iron concentration and R2, R2* and R2’ at 9.4 T. The gradient of the linear relationship between iron and R2, agrees extremely well with the predicted gradient at this field, where the prediction was made by Vymazal et al. (1996) using MRI relaxometry at 0.05 to 1.5 T. To the best of my knowledge, this is the first time that this relationship has been quantified at 9.4 T, or at any field above 7 T. MRI at 14.1 T was carried out on low iron concentration regions (the pons and amygdala). Matched SXRF and R2* maps did not show a strong linear relationship between iron and R2*. The iron concentration in these regions is less than 50 μg/g and it was concluded that in tissue with low iron content, other tissue properties - such as water content - are dominating the value of R2*. This result was replicated with data measured at 9.4 T, when only tissue with an iron concentration of less than 50 μg/g was considered.
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Haver, Eirik, Eivind Melvold, and Pål Ruud. "Cloud Storage Vault." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for telematikk, 2011. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-13812.

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Today, major IT-companies, such as Microsoft, Amazon and Google, are offering online storage services to their customers. This is a favourable solution -- as opposed to regular storage -- in terms of low costs, reliability, scalability and capacity. However, important security features such as data privacy and integrity are often absent.To address these issues, a cryptographic architecture is proposed that ensures the confidentiality and integrity of the data stored by users, independent of the trust of the provider. This includes secure sharing of private data among users of the same service.The underlying cryptographic architecture is based on existing open source systems and cryptographic primitives. The architecture was implemented as a reusable general library in Java. An Android client was created, and several performance tests were conducted. The proof of concept system shows that it is possible to implement the proposed scheme, and that the cryptographic operations does not significantly affect the user experience on an Android device. Possible weaknesses of the scheme are identified.We present a scheme for secure storage and sharing of files on an untrusted server, and argue for its validity. To support streaming functionality, the scheme could be extended with hash trees to validate small parts of a file at the time.
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Ardron, Paul A. "Peat cutting in upland Britain, with special reference to the Peak District : its impact on landscape, archaeology, and ecology." Thesis, University of Sheffield, 1999. http://etheses.whiterose.ac.uk/6023/.

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Gattuso, Luca. "Analisi numerica delle condizioni di pericolosità idraulica per l'abitato di Sorbolo a Levante (RE)." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2013. http://amslaurea.unibo.it/6023/.

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Abida, Saleh Rajab. "The impact of the World Trade Organisation on Libyan banking sector." Thesis, Liverpool John Moores University, 2011. http://researchonline.ljmu.ac.uk/6023/.

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The main aim of this study is to identify and analyse, both qualitatively and quantitatively, the potential effects of the World Trade Organization (WTO) on the Libyan Banking sector using DEA and Panel data regression methods. Libya has not gained its full membership of the WTO yet. However, Libya has gained observer status since 2004. Since Libya has not yet joined the WTO, it is not possible to know its impact by addressing the period pre and post joining the WTO. Therefore, to know the final expected impact of the WTO on the Libyan banking sector, two ways are selected. The first one is by assessing the rules of the WTO and review the existing literature regarding the impact of the WTO on banking sector to draw some conclusions on the Libyan banking sector. The other one is by using the efficiency of banks as a means to know the impact of the WTO on the Libyan banking sector. The efficiency was empirically measured using DEA method and two types of comparison: Common Efficient Frontier (CEF) and National Specific Frontier (NSF). The using of DEA method allows the comparison of efficiency of Libyan banks to those in existence in countries similar to Libya (Gulf countries) that have already gained membership of the WTO .Also, to check whether there have been any changes in the general trend of efficiency since these countries have joined the WTO. Finally, in order to find out how to improve the bank efficiency, the determinants of bank efficiency were investigated using panel data regression and the WTO was used as one of the determinants of bank efficiency. The main finding from a sample inclusive of GCCs banks with Iwithout Libyan banks under CEF comparison, reveal that the mean efficiency score of the Libyan banking industry is not dissimilar to the GCC country's mean. Since these results are different to those obtained in the existing literature and also to know the implication of WTO on GCC countries as more homogeneous countries, the analysis was repeated without Libya using the CEF comparison. However, the type of comparison (NSF) produced significantly different results, in particular the ranking of the countries. Overall, The results of DEA which were supported and complemented by using the Panel data regression method show that there is no clear evidence that the efficiency of Gulf countries has been improving since joining of the WTO. The reason behind this might be the decreasing level of efficiency in these countries relative to developed countries When the Gulf countries joined the WTO. Furthermore, the Gulf countries have not yet completely opened their banking sectors and still discriminate against foreign banks. Also, they still enjoy the exemption given to developing countries. Therefore, Libya's joining the WTO as a full member- at the present time -might affect the banking sector negatively. Regarding to the impact of banking reform on Libyan banks efficiency, although the results were ambiguous and depending on using CEF or NSF type, the results of NSF which is supported by previous literature showed that there was progress, therefore, efficiency was improved after the reform had started.
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Perea, Nélida, and Gladys Guiñazú. "Partos domiciliarios en diferentes grupos poblacionales en el departamento de San Carlos." Bachelor's thesis, Universidad Nacional de Cuyo. Facultad de Ciencias Médicas. Escuela de Enfermería, 2009. http://bdigital.uncu.edu.ar/6023.

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El objetivo de este trabajo es describir el grado de conocimiento que tienen las madres sobre el parto en eldomicilio, a través de un estudio descriptivo en las diferentes comunidades del Departamento de San Carlos. Se intenta establecer si hay aumento de partos en domicilios en las diferentes comunidades de San Carlos, conocer qué aspectos le desagradan del centro asistencial, conocer su aspecto emocional antes y después del parto, detectar si las madres conocen los riesgos y los beneficios de tener un parto en domicilio.
Fil: Perea, Nélida. Universidad Nacional de Cuyo. Facultad de Ciencias Médicas. Escuela de Enfermería..
Fil: Guiñazú, Gladys. Universidad Nacional de Cuyo. Facultad de Ciencias Médicas. Escuela de Enfermería..
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Brink, Oscar Franciscus van den. "Molecular changes in egg tempera paint dosimeters as tools to monitor the museum environment." [S.l. : Amsterdam : s.n.] ; Universiteit van Amsterdam [Host], 2001. http://dare.uva.nl/document/60293.

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Wang, Fang Ph D. Massachusetts Institute of Technology. "Radiation field for Einstein vacuum equations." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/60203.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mathematics, 2010.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 77-78).
The radiation field introduced by Friedlander provides a direct approach to the asymptotic expansion of solutions to the wave equation near null infinity. We use this concept to study the asymptotic behavior of solutions to the Einstein Vacuum equations, which are close to Minkowski space, at null infinity. By imposing harmonic gauge, the Einstein Vacuum equations reduce to a system of quasilinear wave equations on R"j". We show that if the space dimension n > 5 the Moller wave operator is an isomorphism from Cauchy data satisfying the constraint equations to the radiation fields satisfying the corresponding constraint equations on small neighborhoods of suitable weighted b-type Sobolev spaces.
by Fang Wang.
Ph.D.
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Books on the topic "[602.3"

1

Gardner, Richard K. Les fonds documentaires: BLT 6023. [Montréal]: École de bibliothéconomie et des sciences de l'information, 1990.

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Grant, Christine, and Emma Russell, eds. Agile Working and Well-Being in the Digital Age. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60283-3.

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Kalyagin, V. A., A. P. Koldanov, P. A. Koldanov, and P. M. Pardalos. Statistical Analysis of Graph Structures in Random Variable Networks. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60293-2.

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Jeleńska, Maria, Leszek Łęczyński, and Tadeusz Ossowski, eds. Magnetometry in Environmental Sciences. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-60213-4.

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Leimgruber, Matthieu, and Matthias Schmelzer, eds. The OECD and the International Political Economy Since 1948. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-60243-1.

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Sukhodolov, Alexander P., Elena G. Popkova, and Irina M. Kuzlaeva. Internet Economy vs Classic Economy: Struggle of Contradictions. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-60273-8.

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Strukov, Boris A., and Arkadi P. Levanyuk. Ferroelectric Phenomena in Crystals. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-642-60293-1.

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Gramer, Eugen, and Franz Grehn, eds. Pathogenesis and Risk Factors of Glaucoma. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-642-60203-0.

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Hugo, Achim, Heike Lindemann, Martin Koch, and Holger Robrecht. Altlastensanierung und Bodenschutz. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-642-60213-9.

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Harig, Helmuth, and Christian J. Langenbach, eds. Neue Materialien für innovative Produkte. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-642-60223-8.

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Book chapters on the topic "[602.3"

1

Kaiser, Wolfram. "From Post-war Reconstruction to Multi-level Neo-corporatism: The OEEC/OECD and Steel During the Cold War." In The OECD and the International Political Economy Since 1948, 161–84. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-60243-1_7.

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Russell, Emma, and Christine Grant. "Introduction to Agile Working and Well-Being in the Digital Age." In Agile Working and Well-Being in the Digital Age, 3–17. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60283-3_1.

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Chamakiotis, Petros. "Virtual Teams as Creative and Agile Work Environments." In Agile Working and Well-Being in the Digital Age, 133–42. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60283-3_10.

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Nayani, Rachel. "Leading and Managing the Occupational Well-Being and Health of Distributed Workers." In Agile Working and Well-Being in the Digital Age, 143–56. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60283-3_11.

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Mossa, Alessandra. "The Case of Co-working Spaces for Fulfilling Agile Working and Worker Needs." In Agile Working and Well-Being in the Digital Age, 157–67. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60283-3_12.

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Grant, Christine, and Emma Russell. "Concluding Thoughts and Implications." In Agile Working and Well-Being in the Digital Age, 171–78. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60283-3_13.

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Grant, Christine. "Concepts, Terms and Measurement in Agile Working." In Agile Working and Well-Being in the Digital Age, 19–32. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60283-3_2.

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Basile, Kelly A., and T. Alexandra Beauregard. "Boundary Management: Getting the Work-Home Balance Right." In Agile Working and Well-Being in the Digital Age, 35–46. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60283-3_3.

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Russell, Emma. "The Paradox of Work-Email: Individual Differences in Agile Digital Work." In Agile Working and Well-Being in the Digital Age, 49–61. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60283-3_4.

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Uther, Maria, Michelle Cleveland, and Rhiannon Jones. "Digital Distractions: The Effect and Use of Digital Message Alerts and Their Relationship with Work-Life Balance." In Agile Working and Well-Being in the Digital Age, 63–76. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60283-3_5.

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Conference papers on the topic "[602.3"

1

"Soil Stabilization using Lime-Activated Ground Granulated Blast Furnace Slag." In "SP-178: Sixth CANMET/ACI/JCI Conference: FLy Ash, Silica Fume, Slag & Natural Pozzolans in Concrete". American Concrete Institute, 1998. http://dx.doi.org/10.14359/6023.

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Lee, Jaedong, and John Michaels. "Enhanced Wireline Formation Tests in Low-Permeability Formations: Quality Control Through Formation Rate Analysis." In SPE Rocky Mountain Regional/Low-Permeability Reservoirs Symposium and Exhibition. Society of Petroleum Engineers, 2000. http://dx.doi.org/10.2118/60293-ms.

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Smith, Michael A., Christopher D. Depcik, John W. Hoard, Stanislav V. Bohac, and Dionissios N. Assanis. "Modeling of SCR NH3 Storage in the Presence of H2O." In ASME 2011 Internal Combustion Engine Division Fall Technical Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/icef2011-60233.

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Diesel engines offer excellent fuel economy, but this comes at the expense of higher emissions of nitrogen oxides (NOx) and Particulate Matter (PM). To meet current emissions standards, diesel engines require aftertreatment devices. Concepts using combinations of catalysts are becoming more common in aftertreatment systems to reduce the cost and size of these aftertreatment systems. One combination is an LNT-SCR system where the LNT releases NH3 during a regeneration to be used by the SCR catalyst for further NOx reduction. This involves rich-lean cycling of the exhaust stream, which alters species concentrations in the exhaust. Most notably H2O and CO2 levels can vary from 4%–14% during lean-rich cycling. An investigation was performed using multiple Temperature Programmed Desorption (TPD) experiments to determine how H2O and CO2 affect NH3 storage capacity of an Fe-based zeolite SCR catalyst. It was determined that H2O and CO2 inhibit NH3 storage capacity of the SCR catalyst. This inhibition has shown a linear dependence on H2O and CO2 concentration at constant temperature. It was also determined that H2O is a much stronger inhibitor of NH3 storage capacity then CO2. Additional Temperature Programmed Desorption (TPD) experiments, were run where H2O and CO2 concentration (0%, 6%, and 10%) and the initial storage temperature (200°C, 250°C, 300°C, 350°C) were varied. Results suggest the addition of a reaction that creates competition for active sites on the catalyst between H2O and NH3. The additional reaction allows H2O and NH3 to be stored on open catalytic sites and has improved model accuracy by accounting for large changes in H2O, CO2, and temperature.
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Forte, Claudio, Gian Marco Bianchi, Enrico Corti, Gaspare Argento, and Stefano Fantoni. "CFD Methodology for the Simulation of Mixture Formation of High Performance PFI Engines." In ASME 2011 Internal Combustion Engine Division Fall Technical Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/icef2011-60203.

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Mixture composition strongly influences the stability of combustion of spark ignition engines. The control of air to fuel ratio at ignition is a critical issue for high performance engines: due to the low stroke-to-bore ratio the maximum power is reached at very high regimes, letting little time to the fuel to evaporate and mix with air. The aim of this work is to present a CFD methodology for the evaluation of mixture formation applied to a Ducati high performance engine. The phenomena involved in the process are highly heterogeneous, and particular care must be taken to the choice of CFD models and their validation. In the present work all the main models involved in the simulations are validated against experimental tests available in the literature, selected based on the similarity of physical conditions with those of the engine configuration under analysis. The multi-cycle simulation methodology here presented reveals to be a useful tool for the evaluation of the mixture quality around the spark plug at ignition, allowing a parametric analysis of the effects of the injection process on engine output.
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Roh, Byeong-Min, Soundar R. T. Kumara, Timothy W. Simpson, Panagiotis Michaleris, Paul Witherell, and Ibrahim Assouroko. "Ontology-Based Laser and Thermal Metamodels for Metal-Based Additive Manufacturing." In ASME 2016 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/detc2016-60233.

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Additive manufacturing (AM) is a promising technology that is expected to revolutionize industry by allowing the production of almost any shape directly from a 3D model. In metal-based AM, numerous process parameters are highly interconnected, and their interconnections are not yet understood. Understanding this interconnectivity is the first step in building process control models that help make the process more repeatable and reliable. Metamodels can be used to conceptualize models of complex AM processes and capture diverse parameters to provide a graphical view using common terminology and modeling protocols. In this paper we consider different process models (laser and thermal) for metal-based AM and develop an AM Process Ontology from first-principles. We discuss and demonstrate its implementation in Protégé.
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Robison, Warren, Brian Jensen, and Anton Bowden. "Patterned Carbon Nanotube Growth on Convex Cylindrical Stainless Steel Substrates for the Production of Coronary Stents." In ASME 2016 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/detc2016-60243.

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This paper reports research in fabrication of cylindrical stents using carbon-infiltrated carbon nanotubes (CI-CNT), a material with good hemocompatibility. We demonstrate growth of CI-CNT forests in patterned lines on a 3 mm diameter stainless steel (SS) rod. Lines were patterned parallel, at 7°, at 45°, and perpendicular relative to the axis of the rod. Minimal cracking was seen in the parallel and angled lines. Significant cracking was seen in the perpendicular lines and we attempted to characterize the cracking in order to correlate it to width of the lines and height of the forest. No correlation was found but the average uncracked length was determined to be 414 μm with a standard deviation of 67 μm. We also demonstrate successful growth with minimal cracking of CI-CNT forests in a zig-zag type pattern in an effort to further the possibility of creating a coronary stent utilizing CI-CNT. Some of the patterned samples were also removed from the cylindrical substrate, resulting in free-standing, patterned, cylindrical patterns made from CI-CNT.
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Hill, Scott, and Stephen Canfield. "An Assessment of Fused Deposition Modeling for the Manufacturing of Flexural Pivots in an Anthropomorphic Robotic Hand Design." In ASME 2016 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/detc2016-60253.

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There is a significant rise in the design of robots performing ever-more complicated tasks. This has motivated more-anthropomorphic grasping hands for these robots. These hands or grippers are complex machines requiring numerous joints to provide high mobility within a relatively small device. Compliant mechanisms and grippers based on compliant joints provide a viable approach to design improved grippers. The use of compliant joints in the design of a hand yields a number of features that can potentially benefit the design; it allows for more lifelike mobility and can eliminate the need for traditional bearings that yield high contact stresses. This allows for much more variety in material choices. The freedom of choosing from a wider range of materials provides many benefits. For example, plastics can provide softer finger members, improved gripping characteristics and components that are less stiff, making them inherently safer for systems that operate in proximity to people. They can provide the flexibility to more naturally conform to the contour of a particular object when grasping it and reduce the necessary gripping forces to achieve reliable operation. Additionally, a solid-state design compliant mechanism design allows more freedom in designing mechanisms that will be constructed for high mobility and operating in a small space. This approach is further enhanced by the increased availability of additive manufacturing tools that enables ready implementation of compliant mechanism designs with almost any topology. This paper will examine the application additive manufacturing tools to create an anthropomorphic gripper based on compliant mechanism components. The primary contribution of this paper is the empirical evaluation of a set of compliant joints for use as the fingers in an anthropomorphic robotic hand produced using additive manufacturing. Three compliant joints will be considered: the simple straight-axis flexural pivot, cross-axis flexural pivot, and leaf-type isosceles-trapezoidal flexural pivot. Each joint type has demonstrated characteristics that may be suitable for fingers in gripping mechanism and are readily suited to be manufactured using low-cost fused deposition modeling techniques that allow for quick and low-cost production. Further, three materials are evaluated for application as the build material of each compliant joint individually and as a complete solid-state anthropomorphic gripper. These materials are: acrylonitrile butadiene styrene (ABS), Nylon 6, and thermoplastic polyurethane (TPU). Each joint and each material option is compared on the basis of their feasibility for rapid prototyping and suitability for substitution of the interphalangeal joints of the human hand. Deflection tests and finite element analysis are used to gather the empirical data for comparison. An evaluation of the tests is provided to determine which compliant joints are well suited for this application. The paper will also consider the as-built material characteristics relative to their application as gripper elements and will compare and contrast the suitability and any impact on the empirical testing and design. This work will provide information on the combination of joint topology, material and manufacturing processes and can be used to inform the design of soft or highly compliant mechanisms.
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Seshadri, Priya, Youyi Bi, Jaykishan Bhatia, Ross Simons, Jeffrey Hartley, and Tahira Reid. "Evaluations That Matter: Customer Preferences Using Industry-Based Evaluations and Eye-Gaze Data." In ASME 2016 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/detc2016-60293.

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This study is the first stage of a research program aimed at understanding differences in how people process 2D and 3D automotive stimuli, using psychophysiological tools such as galvanic skin response (GSR), eye tracking, electroencephalography (EEG), and facial expressions coding, along with respondent ratings. The current study uses just one measure, eye tracking, and one stimulus format, 2D realistic renderings of vehicles, to reveal where people expect to find information about brand and other industry-relevant topics, such as sportiness. The eye-gaze data showed differences in the percentage of fixation time that people spent on different views of cars while evaluating the “Brand” and the degree to which they looked “Sporty/Conservative”, “Calm/Exciting”, and “Basic/Luxurious”. The results of this work can give designers insights on where they can invest their design efforts when considering brand and styling cues.
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Du, Ping, and Erin F. MacDonald. "Product Body Shapes, Not Features, Provide Fast and Frugal Cues for Environmental Friendliness." In ASME 2016 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/detc2016-60283.

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Mental associations between a product’s visual design and its unobservable characteristics aid consumer judgments. It is hypothesized these associations, or cues, allow people to decrease the mental load required to make a decision. This paper investigates the rapid-building of mental associations between visual cues and unobservable attributes. It questions if it is more effective to cue holistically, through body-shape, or by individual features. Subjects participated in an association-building task and were then surveyed for retention of positive and negative cues for environmental friendliness ratings. Results demonstrate retention of body shapes cues but not feature cues. Additionally, eye-tracking data demonstrate that people redistribute their attention to a product after the association-building task, increasing the percentage of attention in the cued visual areas-of-interest. This supports the hypothesis that cues work to distribute mental load more efficiently; subjects’ evaluations became more targeted when judging environmental friendliness.
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Untaroiu, Alexandrina, Timothy W. Dimond, Paul E. Allaire, and Richard Armentrout. "CFD Analysis of a Canned Pump Rotor Considering an Annular Fluid With Axial Flow." In ASME Turbo Expo 2009: Power for Land, Sea, and Air. ASMEDC, 2009. http://dx.doi.org/10.1115/gt2009-60223.

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Instability in rotor-bearing systems can lead to high levels of vibration, that can ultimately result in the destruction of rotating machines or lost production due to reduced speeds and flow rates. Thus, accurate characterization of instability drivers is vital in prediction of the stability of rotor-bearing-structural systems, allowing for design changes to reduce deleterious effects. These changes include alteration of the system component causing instability and alteration of the bearing design to improve the overall system stability. A source of destabilizing forces in vertical canned motor pumps arises from fluid-structure interaction (FSI) forces between the rotor can and the stator. In this paper, the FSI forces are modeled using an analysis of a long annular fluid filled region with an axial flow component. The model includes the effects of pre-swirl of the fluid entering the annulus. The rotor center static operating position is eccentric to the stator center due to manufacturing tolerances. The fluid forces are calculated using computational fluid dynamics (CFD) and are expressed in terms of equivalent stiffness, damping and fluid inertia (added mass) rotordynamic coefficients. The rotordynamic coefficients are identified using CFD by simulating non-synchronous perturbations of the rotor position and velocity around the static operating point. A separate set of simulations, which does not consider the effects of axial flow on the rotordynamic coefficients, are performed to facilitate direct comparison between the CFD predictions and the dynamic coefficients calculated using the bulk-flow method developed by Fritz.
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