170,157 research outputs found
Boelte (P.), Ehrenberg (V.), Ziehen (L.) et Lippold (G.), Sparta (Sonderabdruck aus Pauly-Wissowa), Real- Encyclopaedic der classischen Altertumswisschenschaft,
No full textBottin C. Boelte (P.), Ehrenberg (V.), Ziehen (L.) et Lippold (G.), Sparta (Sonderabdruck aus Pauly-Wissowa), Real- Encyclopaedic der classischen Altertumswisschenschaft,. In: Revue belge de philologie et d'histoire, tome 8, fasc. 4, 1929. pp. 1261-1262
Boelte (P.), Ehrenberg (V.), Ziehen (L.) et Lippold (G.), Sparta (Sonderabdruck aus Pauly-Wissowa), Real- Encyclopaedic der classischen Altertumswisschenschaft,
No full textBottin C. Boelte (P.), Ehrenberg (V.), Ziehen (L.) et Lippold (G.), Sparta (Sonderabdruck aus Pauly-Wissowa), Real- Encyclopaedic der classischen Altertumswisschenschaft,. In: Revue belge de philologie et d'histoire, tome 8, fasc. 4, 1929. pp. 1261-1262
Survival probabilities and hazard functions of malignant melanoma in Germany 1972–1996, an analysis of 10 433 patients. Evolution of gender differences and malignancy
No full textThe evaluation of the impact of prevention activities on the course of survival in conjunction with the individual hazard rate of dying is described using data from a follow-up study of 10433 melanoma patients during three observation periods (1972-1980, 1981-1988, 1989-1996). Kaplan-Meier survival curves combined with hazard functions were calculated. At all observation periods, survival of men was lower compared with women and their maximum dying risk was earlier (70 versus 100 months after removal of the primary tumour). In 1989-1996, differences in the survival rates were approximately halved compared with those for 1972-1980 or 1981-1988, respectively. This improvement was predominantly seen in young men. There was a lower survival I-ate of men compared with women with identical thickness categories. The maximum dying risk for those men with tumours > 4 mm peaked at approximately 60 months, the other thickness categories showing a lower and later maximum: in women. the maximum dying risk for tumours > 4 mm was also seen Lit approximately 60 months, but less pronounced. Over time, the influence of Breslow thickness on the survival rates remained constant in women; in men, with the exception of thick tumours. there was a trend towards a better survival. Melanoma awareness campaigns conducted in Germany since the late 1980s have resulted in a trend towards a remarkable increase of thin tumours in recent years, whereas the number of new cases with thick tumours has remained constant. (C) 2002 Elsevier Science Ltd. All rights reserved
Seed ecology of Captain Cook tree [Cascabela thevetia (L.) Lippold] - germination and longevity
No full textCascabela thevetia (L.) Lippold (Apocynaceae), commonly known as Captain Cook tree or yellow oleander, has established large infestations in riparian areas along several creeks and rivers in northern Queensland. To better understand the ecology of C. thevetia and the implications for its spread and management, this study reports seven experiments related to the seed ecology of its yellow and peach biotypes. We quantified its germination response to ambient (Experiment 1a and 1b), alternating and constant temperature (Experiment 2a and 2b) regimes and exposure to different light conditions (Experiment 3). Seed longevity under two soil types, two levels of pasture cover and three burial depths was also determined (Experiment 4a and 4b).Both loose seeds and seeds still within pods (kernels) of the two biotypes of C. thevetia were able to germinate in all months of the year in northern Queensland, irrespective of the large differences in monthly ambient temperatures experienced at the Charters Towers study site. Both biotypes also germinated across a wide range of alternating day/night temperatures from 16/128 degrees C to 47/378 degrees C and constant temperatures from 178 degrees C to 44.08 degrees C. Germination of the two biotypes was significantly greater (4-fold) and faster (7 days earlier) under shade than under natural light conditions. Over all biotypes, soil types, levels of pasture cover and burial depths, no seeds of C. thevetia remained viable after 2 years: longevity was much less in many circumstances.The results demonstrate that C. thevetia seeds can germinate over a wide temperature range, whereas the ability of seed to remain viable at low temperatures highlights the potential for expansion of its current potential distribution towards southern latitudes of the Australian continent. Across all experimental conditions, the yellow biotype displayed superior seed germination and viability traits compared with the peach biotype. Seed banks of the peach and yellow biotypes of C. thevetia are short-lived (2 years), which may be exploited when developing management strategies to reduce its impacts
Going Beyond Counting First Authors in Author Co-citation Analysis
No full textThe 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
Natur- und Kunstlexicon
No full text[Ph. Funke, G.H.C. Lippold]Bd. 1: 1824, 552 Seiten, [7] Blätter, 3 Tafeln ; Bd. 2: 1824, 532 Seiten, [8] Blätter, 1 Tafel, 2 Falttafeln ; Bd. 3: 1825, 560 Seiten, [6] Blätter, 1 Falttafel, 2 Tafeln ; Bd. 4: 1825, 560 Seiten, [8] Blätter, 3 Falttafeln ; Bd. 5: 1825, 605 Seiten, [6] Blätter, 3 Falttafeln ; Bd. 6: 1825, 529 Seiten, [5] Blätter, 2 Tafeln, 1 Falttafel ; Bd. 7: 1825, 576 Seiten, [7] Blätter, 1 Falttafel, 2 Tafeln ; Bd. 8: 1826, 561 Seiten, [6] Blätter, 2 Falttafeln, 1 Tafel ; Bd. 9: 1826, 548 Seiten, [6] Blätter, 3 Tafeln ; Bd. 10: 1827, 356 Seiten, 2 Tafel
Seed fall, seed predation, twigging and litter fall of Cascabela thevetia (L.) Lippold
No full textCascabela thevetia (L.) Lippold is a garden ornamental in northern Australia and two biotypes, the peach and the yellow, are recognised. In some areas it has naturalised and now has environmental and economic effects. As part of a broader research program into the ecology of C. thevetia, a field study was undertaken in northern Queensland to quantify seed fall and seed predation (by avian wildlife) of the peach biotype. The amount of twigging caused by birds while they fed on the seeds and the level of litter production were also recorded. Seed fall, seed predation, twigging and litter production occurred in all months of the year. Seed fall increased slowly over late spring and summer before peaking in mid-to late autumn (April-May) and then declining until October. Mean (+/- s.e.m.) estimated total annual seed fall was 19 140 +/- 2880 and 17 030 +/- 2930 seeds ha(-1) in the first and second years respectively. Seed predation by birds was substantial, with 57% of all seeds predated. Birds also chewed an average of 600 twigs ha(-1) year(-1). Litter production varied from 430 to 950 kg dry weight (DW) ha(-1) month(-1). In total, 7900 +/- 640 and 7390 +/- 1420 kg (DW) litter was produced during the first and second years respectively. Although seed production of C. thevetia is less than a lot of other rangeland weeds, seed predation by birds further reduces the number of seeds entering the soil seed bank. The stem damage that occurred in conjunction with seed predation contributed to overall litter production and warrants further investigation in terms of its effect on plant growth
Mitomycin C in highly myopic eyes - Author reply
No full textOphthalmology. 2005 Feb;112(2):208-18; discussion 219.
Mitomycin C modulation of corneal wound healing after photorefractive keratectomy in highly myopic eyes.
Gambato C, Ghirlando A, Moretto E, Busato F, Midena E.
SourceRefractive Surgery Service and Antimetabolite Therapy Research Unit, Department of Ophthalmology, University of Padova, Padova, Italy.
Abstract
PURPOSE: To evaluate the role of topical mitomycin C in corneal wound healing (CWH) after photorefractive keratectomy (PRK) in highly myopic eyes.
DESIGN: Prospective, double-masked, randomized clinical trial.
PARTICIPANTS: Seventy-two eyes of 36 patients affected by high (>7 diopters) myopia.
METHODS: In each patient, one eye was randomly assigned to PRK with intraoperative topical 0.02% mitomycin C application, and the fellow eye was treated with a placebo. Postoperatively, mitomycin C-treated eyes received artificial tears (3 times daily, tapered in 3 months), whereas the fellow eye was treated with fluorometholone sodium 2% and artificial tears (3 times daily, tapered in 3 months).
MAIN OUTCOME MEASURES: Uncorrected visual acuity (UCVA) and best-corrected visual acuity (BCVA), contrast sensitivity, manifest refraction, and biomicroscopy. Contrast sensitivity was determined using the Pelli-Robson chart. Corneal confocal microscopy documented CWH.
RESULTS: Mean follow-up was 18 months (range, 12-36). No side effects or toxic effects were documented. At 12-month follow-up examination, UCVAs (logarithm of the minimum angle of resolution) were 0.4+/-0.48 and 0.5+/-0.53 (P = .03) in mitomycin C-treated eyes and corticosteroid-treated eyes, respectively. At 1 year, corneal haze developed in 20% of corticosteroid-treated eyes, versus 0% of mitomycin C-treated eyes. At 12, 24, and 36 months, corneal confocal microscopy showed activated keratocytes and extracellular matrix significantly more evident in untreated eyes (Ps = 0.004, 0.024, and 0.046, respectively).
CONCLUSION: Topical intraoperative application of 0.02% mitomycin C can reduce haze formation in highly myopic eyes undergoing PRK.
Comment in
Ophthalmology. 2006 Feb;113(2):357; author reply 357-8
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
A Multi-Language Comparison of Influences on Author Verification using Character N-Grams
No full textWe create a new multi-language corpus for author verification based on Wikipedia talkpages, and evaluate the influence that differences in topic and time have on character n-gram author profiles. Topic alignment between two texts is found to increase author verification precision, and an authors writing style is found to change over time, but not more significantly after 3 years than after 1 year.Information ArchitectureWISElectrical Engineering, Mathematics and Computer Scienc
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