4,048 research outputs found
Mettmenstetten / Aufnahme: C. Pestalozzi, Stucky 1878, Wetli ; Revision: J. Benz, 1880 ; Gest. von H. Müllhaupt u. Sohn
No full textMETTMENSTETTEN / AUFNAHME: C. PESTALOZZI, STUCKY 1878, WETLI ; REVISION: J. BENZ, 1880 ; GEST. VON H. MÜLLHAUPT U. SOHN
Topographischer Atlas der Schweiz (-)
Mettmenstetten / Aufnahme: C. Pestalozzi, Stucky 1878, Wetli ; Revision: J. Benz, 1880 ; Gest. von H. Müllhaupt u. Sohn (Blatt 176) ( -
Affoltern / Aufnahme: C. Pestalozzi, Denzler 1878 ; Revision J. Benz 1880 ; Gest. v. H. Müllhaupt u. Sohn
No full textAFFOLTERN / AUFNAHME: C. PESTALOZZI, DENZLER 1878 ; REVISION J. BENZ 1880 ; GEST. V. H. MÜLLHAUPT U. SOHN
Topographischer Atlas der Schweiz (-)
Affoltern / Aufnahme: C. Pestalozzi, Denzler 1878 ; Revision J. Benz 1880 ; Gest. v. H. Müllhaupt u. Sohn (Blatt 174) ( -
Nachricht von dem Priesteramtsjubeljahre und von einigen Lebensumständen Herrn Johann Gottfried Hermanns, der h. Schrift Doktors, kurfürstl. sächsischen Oberhofpredigers, Kirchen- und Oberkonsistorialraths zu Dresden / [Christian Wilhelm Schneider]
No full textVerf. ermittelt nach handschriftl. Eintrag am Ende der Widmung im Ex. der ULB Sachsen-Anhalt (Halle)Vorlageform des Erscheinungsvermerks: Eisenach, gedrukt bei G. A. Meyer und Sohn, Herzogl. sächs. privil. Hofbuchdr. 1781
Bayesian probabilistic damage detection of a reinforced-concrete bridge column
No full textA Bayesian probabilistic approach for damage detection has been proposed for the continuous monitoring of civil structures (Sohn H, Law KH. Bayesian probabilistic approach for structure damage detection. Earthquake Engineering and Structural Dynamics 1997; 26: 1259-1281). This paper describes the application of the Bayesian approach to predict the location of plastic hinge deformation using the experimental data obtained from the vibration tests of a reinforced-concrete bridge column. The column was statically pushed incrementally with lateral displacements until a plastic hinge is fully formed at the bottom portion of the column. Vibration tests were performed at different damage stages. The proposed damage detection method was able to locate the damaged region using a simplified analytical model and the modal parameters estimated from the vibration tests, although (1) only the first bending and first torsional modes were estimated from the experimental test data, (2) the locations where the accelerations were measured did not coincide with the degrees of freedom of the analytical model, and (3) there existed discrepancies between the undamaged test structure and the analytical model. The Bayesian framework was able to systematically update the damage probabilities when new test data became available. Better diagnosis was obtained by employing multiple data sets than just by using each test data set separately. Copyright (C) 2000 John Wiley & Sons, Ltd.The "rst author wishes to express his sincere thanks to Professor Gerard C. Pardoen and his students at the
University of California at Irvine for providing an opportunity to observe the bridge column test. Also, the
authors are indebted to Dr Charles R. Farrar and Dr Scott W. Doebling of the Los Alamos National
Laboratory for providing the vibration test data. This research was partially sponsored by the National
Science Foundation under Grant No. CMS-95261-2
Second harmonic generation at fatigue cracks by low-frequency Lamb waves: experimental and numerical studies
No full textAbstract not availableYi Yang, Ching-Tai Ng, Andrei Kotousov, Hoon Sohn, Hyung Jin Li
Drop-on-demand deposition of superheated metal droplets for selective infiltration manufacturing
No full textThe deposition of metal droplets is of great engineering interest because of its practical applications to such various fields as spray forming, surface treatments, and solid freeform fabrication (SFF), etc. The objective of this work is to develop a new drop-on-demand generator of superheated metal droplets that is suitable for the selective infiltration manufacturing (SIM), a new SFF process for the direct fabrication of metal parts. The developed generator comprises a solenoid vibrator, a micro-drilled 130 mum diameter nozzle, an impulse-transmitting rod, and a tubular heating element. A parametric study showed that the diameter of droplets was 301 10 mum when the superheating temperature of Sn-37Pb wt% was set at 260degreesC, 299 +/- 12 mum at 290degreesC, and 301 +/- 12 mum at 320degreesC. Experiments showed that the developed generator is able to deposit superheated metal droplets according to the frequency of the vibrator. (C) 2004 Elsevier B.V. All rights reserved
Platinum(II) complexes of 3,3'-disubstituted-2,2'-bipyridines. Synthesis, structures, cytotoxic effect and unusual solvolysis in DMSO
No full textThe reaction of 3,3'-disubstituted-2,2'-bipyridines, 2,2'-bipyridyl-3,3'-dicarboxylic acid (H2BDC) and 3,3'-dimethylol-2,2'-bipyridine (DMB) with potassium tetrachloroplatinate(II) in water gives Pt(H2BDC)Cl-2 (1) and Pt(DMB)CI, (2), respectively. Both complexes were characterized by elemental analysis and various spectroscopic techniques. The molecular structures of 1 and 2 have been determined by single-crystal X-ray diffraction. 1.2DMF: triclinic system, space groupP1,alpha=8.089(9) Angstrom,b=9.707(8) Angstrom,c= 15.541(4) Angstrom,alpha = 106.88(6)degrees, beta=100.41(3)degrees: gamma=94.39(8)degrees, V=1137.8(2) Angstrom(3), Z=2. 2: monoclinic system, space group P2(1)/c, alpha=7.849(5) Angstrom, b=16.125(3) Angstrom, c=21.613(5) Angstrom, beta=94.10(2)degrees, V= 2728.5(9) Angstrom(3), Z=8. X-ray structures indicate that two pyridine rings of the bipyridyl ligand in both compounds cannot attain the coplanar state owing to the steric bulkiness of the substituents in the 3,3'-positions. The solvolysis of 1 in DMSO, characterized by H-1, C-13 and Pt-195 NMR spectra, leads to the unprecedented example for the complete release of the free amine ligand H2BDC, yielding the formation of cis-[Pt(Me2SO)(2)Cl-2]. No antitumor activity was observed for 1 and 2 against the leukemia L1210 cell line. (C) 1997 Elsevier Science S.A.no sponsor
Low household income increases the risk of tuberculosis recurrence: a retrospective nationwide cohort study in South Korea
No full textObjectives: We assessed the impact of household income on tuberculosis (TB) recurrence and the long-term impact of TB on household income. Study design: This was a retrospective nationwide cohort study of patients with drug-susceptible TB (DS-TB) and TB recurrence. Methods: Using the South Korean national TB cohort database, we identified a sub-set cohort of patients with newly diagnosed drug-susceptible TB between 2013 and 2016 and tracked their TB recurrence and longitudinal income data from 2007 to 2018. Income levels were evaluated as Medical aid and quintile categories. To assess risk factors associated with TB recurrence, we used a sub-distribution hazard model, adjusting for the competing risks of death. Results: Of 66,690 patients successfully treated with DS-TB, 2095 (3.1 %) experienced recurrence during a median follow-up of 39 months. The incidence of TB recurrence was 982.1/100,000 person-years, with 50.3 % of the recurrences occurring within 1 year of treatment completion. The risk of TB recurrence increased with decreasing income levels, with the highest risk observed in the lowest income group. The effect of income on TB recurrence was prominent in males but not in females. Overall, patients with TB recurrence experienced a linear decline in income levels, compared with those without recurrence. Conclusions: Household income during the initial TB episode was an important risk factor for TB recurrence, particularly in males.Y
Fluorescence microscopy is less expensive than Ziehl-Neelsen microscopy in Thailand
No full textZiehl-Neelsen (ZN) microscopy is the primary method for acid-fast bacilli examination in resource-limited settings, including Thailand. Despite its considerably improved diagnostic performance, conventional fluorescent microscopy (FM) is rarely used due to its perceived high cost. An evaluation in Thailand found that the total cost of FM operated in the National Tuberculosis Reference Laboratory (NTRL) in Bangkok, Thailand, is similar to that of ZN performed in the NTRL and in four regional Thai laboratories. FM is therefore a cost-effective alternative to ZN in resource-limited settings.N
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