196,582 research outputs found
Resolving the taxonomic status of the mysterious "Green oak" (Quercus x viridis Trinajstić) from Croatia based on phylogenetic analyses
No full textThis is the published paper:
Temunović M, Franjić J, Vessella F, Simeone MC (2018) Resolving the taxonomic status of the mysterious “Green oak” (Quercus x viridis Trinajstić) from Croatia based on phylogenetic analyses. Šumarski list, 5–6, 259–268. DOI: 10.31298/sl.142.5-6.
Stability properties of an inverse parabolic problem with unknown boundaries
No full textWe treat the stability issue for an inverse problem arising from nondestructive evaluation by thermal imaging. We consider the determination of an unknown portion of the boundary of a thermic conducting body by overdetermined boundary data for a parabolic initial-boundary value problem.We obtain that when the unknown part of the boundary is a priori known to be smooth, the data are as regular as possible and all possible measurements are taken into account, the problem is exponentially ill-posed. Then, we prove that a single measurement with some a priori information on the unknown part of the boundary and minimal assumptions on the data, in particular on the thermal conductivity, is enough to have stable determination of the unknown boundary. Given the exponential illposedness, the stability estimate obtained is optimal
A parabolic inverse problem with mixed boundary data. Stability estimates for the unknown boundary and impedance
No full textWe consider the problem of determining an unaccessible part of
the boundary of a conductor by mean of thermal measurements. We study a
problem of corrosion where a Robin type condition is prescribed on the damaged
part and we prove logarithmic stability estimate
EFFETTI DELLA CHEILORINOPLASTICA SECONDO DELAIRE SULLA CRESCITA FACCIALE IN PAZIENTI AFFETTI DA CHEILOGNATOPALATOSCHISI MONOLETARALE
No full textStability analysis of an inverse parabolic problem with discontinuous variable coefficient
No full textWe consider a time-varying inclusion in a thermal conductor specimen. In particular, the thermal conductivity is a variable function depending on space and time with a jump of discontinuity along the interface of the unknown anomalous region. Provided with some a priori information on the conductivity and its support, we study the continuous dependence of the inclusion from infinitely many thermal measurements taken on an open portion of the boundary of our specimen. We prove a rate of continuity of logarithmic type showing, in addition, its optimality.</jats:p
Dr. Duane M. Jackson, Morehouse College, July 2011
No full textThis video is a conversation with Dr. Duane M. Jackson. Dr. Jackson talks about his paper, "Recall and the Serial Position Effect: The Role of Primacy and Recency on Accounting Students' Performance." Jackie Daniel, AUC Woodruff Library, is the interviewer
LigaSure vessel sealing system in laparoscopic Palomo varicocele ligation in childrenand adolescents.
No full textPurpose: We review our experience with laparoscopic Palomo varicocele ligation using the LigaSure device in children and adolescents.
Materials and Methods: Between June 2003 and December 2004, 25 varicoceles were treated by laparoscopic Palomo varicocele ligation using LigaSure vascular sealing. Patient ages ranged from 10 to 19 years (mean, 14.5 years). Indications for surgery included grade II III varicocele or ipsi-lateral testicular hypotrophy. One patient was affected by recurrent contralateral inguinal hernia and 2 presented with an ipsilateral patent processus vaginalis. We placed a 5-mm umbilical port for access, and kept pneumoperitoneum below 15 mm Hg. Under laparoscopic guidance, two addi- tional ports of 3 and 5 mm were inserted in the lower right and left quadrants, respectively. Once the vessels were isolated, the vascular sealant was applied 3-4 times to ensure coagulation of the spermatic vessels; the vessels were then divided with laparoscopic 5-mm scissors. Inguinal hernia
and patent processus vaginalis were treated according to Schier’s technique. All procedures were performed in our day surgery facility.
Results; Mean operative time was 18 minutes, which is significantly less than the time required in a similar group of 12 patients who underwent laparoscopic clip ligation. There were no periop-
erative complications. Eleven of 16 patients recovered testicular size. Two patients had postopera-tive hydrocele: the first was treated successfully with scrotal aspiration, while the other patient re-quired scrotal hydrocelectomy.
Conclusion: Laparoscopic Palomo varicocele sealing can be performed safely and rapidly and is highly successful in correcting varicoceles in young males. We also found it to be the ideal technique to correct the associated inguinal hernia or patent processus vaginali
"Reflections on the subject of Emigration from Europe with a view to Settlement in the United States" By M. Carey.
No full text"Reflections on the subject of Emigration from Europe with a view to Settlement in the United States: containing bried sketches of the moral and political character of those states.
By M. Carey, member of the American philosophical, and of the American Antiquarian Society, and author of The Olive Branch, Cindiciae Hibernicae, essays on banking, on political economy, and on internal improvement.
To which are now added the English editor's comments on the subject; together with Important Advice to Emigrants, and Cautions Against Impositions Practiced in the Outports
Dispelling the Myths Behind First-author Citation Counts
No full textWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
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