Institution
Romanian Academy
Archive•Bucharest, Romania•
About: Romanian Academy is a archive organization based out in Bucharest, Romania. It is known for research contribution in the topics: Population & Nonlinear system. The organization has 3662 authors who have published 10491 publications receiving 146447 citations. The organization is also known as: Academia Română & Societatea Literară Română.
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University of Murcia1, Council of Scientific and Industrial Research2, Niğde University3, University of Valencia4, University of Cádiz5, University of Cape Town6, Royal Botanic Garden Edinburgh7, Russian Academy of Sciences8, British Antarctic Survey9, Jagiellonian University10, Opole University11, Polish Academy of Sciences12, University of Warsaw13, University of Ostrava14, University of Warmia and Mazury in Olsztyn15, Spanish National Research Council16, Romanian Academy17, University of West Hungary18, Hungarian Natural History Museum19, University of California, Berkeley20, Charles University in Prague21, Autonomous University of Madrid22, Chonbuk National University23, Okayama University of Science24
TL;DR: Callaghan et al. as mentioned in this paper described Anastrophyllum hellerianum (Lindenb.) R.M.Schust and M. A. Luth.
Abstract: 1. Anastrophyllum hellerianum (Lindenb.) R.M.Schust.Contributors: D. A. Callaghan and M. LuthPortugal: 1 km south of Mata da Albergaria, Peneda-Geres National Park, Braga District, 41°45′38″N, 8°8′...
57 citations
TL;DR: In this paper, the temperature dependence of the retention index was studied for about 340 perfumery compounds on an SE-30 glass capillary column within usual temperature ranges, and two linear equations, with column temperature and its reciprocal as variables, were comparatively reported.
57 citations
TL;DR: In this paper, a mixture of silica, organic, and carbon aerogels with metallic Ni and Pd was synthesized by impregnation, with Ni(acac)2 or Pd(acAC)2, of the silica wet gels followed by ethanol supercritical drying.
Abstract: We have prepared silica, organic, and carbon aerogels doped with metallic Ni and Pd through sol-gel processes. Silica aerogel nanocomposites have been synthesized by impregnation, with Ni(acac)2 or Pd(acac)2, of the silica wet gels followed by ethanol supercritical drying. Organic aerogels were prepared by sol-gel copolymerization of formaldehyde with the potassium salt of 2,4-dihydroxybenzoic acid, followed by ion exchange with either Ni(NO3)2·6H2O or Pd(OAc)2 and CO2 supercritical drying. No special reduction step was needed. Organic aerogels were further carbonized to obtain carbon aerogels. Pd organic and carbon aerogels containing 20–40% palladium nanoparticles are good catalysts for the Mizoroki–Heck reaction.
57 citations
TL;DR: In this article, the authors studied the dynamic properties of EUV spicules seen at the solar limb and found that spicule occurrence occurs repeatedly at the same location with a birth rate of around 0.16/min as estimated at 10 �� above the limb and a lifetime ranging from 15 down to 3 min.
Abstract: Here we study the dynamic properties of EUV spicules seen at the solar limb. The selected data were obtained as time series in polar coronal holes by SUMER/SoHO. The short exposure time and the almost fixed position of the spectrometer's slit allow the analysis of spicule properties such as occurrence, lifetime and Doppler velocity. Our data reveal that spicules occur repeatedly at the same location with a birth rate of around 0.16/min as estimated at 10 �� above the limb and a lifetime ranging from 15 down to≈3 min. We are able to see some spicules showing a process of "falling after rising" indicated by the sudden change of the Doppler velocity sign. A periodicity of ≈5 min is sometimes discernible in their occurrence. Most spicules have a height between 10 �� and 20 �� above the limb. Some can stretch up to 40 �� ; these "long macro-spicules" seem to be comprised of a group of high spicules. Some of them have an obvious periodicity in the radiance of ≈ 5m in.
57 citations
TL;DR: In this paper, it was shown that the classical normal distribution is infinitely divisible with respect to the free additive convolution, which is a special case of the Askey-Wimp-Kerov distribution.
57 citations
Authors
Showing all 3740 results
| Name | H-index | Papers | Citations |
|---|---|---|---|
| Cristina Popescu | 74 | 285 | 18434 |
| Adrian Covic | 73 | 570 | 17379 |
| Gheorghe Paun | 65 | 399 | 18513 |
| Floriana Tuna | 60 | 271 | 11968 |
| Arto Salomaa | 56 | 374 | 17706 |
| Jan A. Bergstra | 55 | 616 | 13436 |
| Alexandru T. Balaban | 53 | 605 | 14225 |
| Cristian Sminchisescu | 53 | 173 | 12268 |
| Maya Simionescu | 47 | 192 | 10608 |
| Marius Andruh | 46 | 239 | 8431 |
| Werner Scheid | 46 | 518 | 9186 |
| Vicenţiu D. Rădulescu | 46 | 360 | 7771 |
| Cornelia Vasile | 44 | 297 | 7108 |
| Irinel Popescu | 44 | 401 | 8448 |
| Mihail Barboiu | 44 | 239 | 5789 |