Gammarini del golfo di Napoli : Monografia / di Antonio della Valle. Con un atlante di 61 tavole in litografia. Hrsg. von der Zoologischen station zu Neapel.

20, Text

Annali di botanica.

v.4 (1906)

Annali di botanica.

v.12 (1914)

Annali di botanica.

v.11 (1913)

Annali di botanica.

v.10 (1912)

Annali di botanica.

v.13 (1915)

Annali di botanica.

v.9 (1911)

Annali di botanica.

v.8 (1910)

Annali di botanica.

v.5 (1907)

Annali di botanica.

v.1 (1904)

Catálogo sistemático dos pólens das plantas arbóreas do Brasil meridional: II - Monimiaceae e Dilleniaceae

In Fortsetzung des ersten Teils des katalogs der Baumpollen Suedbrasiliens werden hier di Monimiaceen und Dilleniaceen behandelt. Phylogenetisch gehoeren die ersteren zur Gruppe der Lauraceen und Annonaceen, was durch den morphologischen Befund ihrer Pollen bestaetigt wird. Die Dilleniaceen gehoeren einer paralelen Gruppe an, stammen aber auch, wie die vorherigen, von primitiven magnoliaceen ab. Ihre Pollenkoerner sind sehr verschieden von allen bisher von uns untersuchten Familien. Innerhalb der Monimiaceen der feucht-tropischen Waelder Sued-brasiliens, wurden zwei morphologische Pollentypen gefunden: der erste bei Hennecartia omphalandra: runde Pollen mit einer gekoernten Oberflaeche; der zweite bei Mollinedia (bei allen untersuchten Arten): runde Pollen, auch mit gekoernter Oberflaeche, die aber ein subaequatoriales glatter Band besitxen. Bei beiden Gattungen wurden keine Oeffnungsvorichtungen beobachtet. Die Dilleniaceen wurden auch in zwei Gruppen eingeteilt: Davilla angustifolia, Doliocarpus lasiogyne und Tetracera oblongata, deren Pollen je drei Colpori besitzen, waehrend Davilla rugosa mit vier Poren ausgestatte ist. Alle Gattungen besitzen eine netzartige Oberflaeche.

Parental education and family characteristics: educational opportunities across cohorts in Italy and Spain

Drawing on data contained in the 2005 EU-SILC, this paper investigates the disparities in educational opportunities in Italy and Spain. Its main objective is to analyse the predicted probabilities of successfully completing upper-secondary and tertiary education for individuals with different parental backgrounds, and the changes in these probabilities across birth cohorts extending from 1940 to 1980. The results suggest that the disparities in tertiary education opportunities in Italy tend to increase over time. By contrast, the gap in educational opportunity in Spain shows a marked decrease across the cohorts. Moreover, by using an intuitive decomposition strategy, the paper shows that a large part of the educational gap between individuals of different backgrounds is “composed” of the difference in the endowment of family characteristics. Specifically, it seems that more highly educated parents are more able to endow their children with a better composition of family characteristics, which accounts for a significant proportion of the disparities in educational opportunity.

Italy's urban waste metabolism

The problem of waste management is causing growing concern due to increasing generation rates, the emissions into soil, water and air, the social conflicts derived from the election of disposal sites and the loss of resources and energy among others. In this work, an innovative methodology is used to enable a better understanding of the waste generation and management system in Italy. Two new waste indicators are built to complement the conventional indicators used by official statistics. Then a multi-scale analysis of the Density of Waste Disposed (DWD) is carried out to highlight the territorial diversity of waste performances and test its contribution to detect plausible risky areas. Starting from Italian regions, the scale down goes on to the provincial level and, only for the region of Campania, the municipal one. First, the analysis shows that the DWD is able to complement the information provided by the conventional waste indicators. Second, the analysis shows the limitations of using a unique institutional solution to waste management problems. In this sense the multi-scale analysis provides with a more realistic picture of Italian waste system than using a single scale.

Update of the BIPM comparison BIPM.RI(II)-K1.Cs-134 of activity measurements of the radionuclide 134Cs to include the 2008 results of the BEV (Austria), the 2009 result of the IRA (Switzerland) and the 2010 results of the NMISA (South Africa)

Purine nucleotide pyrophosphotransferase was purified to apparent homogeneity from a culture filtrate of Streptomyces morookaensis. It is a monomeric protein with a molecular weight of 24 000-25 000, and its isoelectric point is 6.9. The enzyme synthesizes purine nucleoside 5'-phosphate (mono, di, or tri) 3'-diphosphates such as pppApp, ppApp, pApp, pppGpp, ppGpp and pppIpp by transferring a pyrophosphoryl group from the 5'-position of ATP, dATP and ppApp to the 3'-position of purine nucleotides. The purified enzyme catalysed the formation of 435 mumol of pppApp and 620 mumol of pppGpp from ATP and GTP per min mg protein under the standard conditions. The enzyme requires absolutely a divalent cation for activity, and optimum pH for the enzyme activity lay above 10 for Mg2+, for Co2+ and Zn2+ from 9 to 9.5, and for Fe2+ from 7.5 to 8. The following Michaelis constants were determined: AMP, 2.78 mM; ADP, 3.23 mM; GMP, 0.89 mM; GDP, 0.46 mM and GTP, 1.54 mM, in the case of ATP donor. The enzyme is inhibited by guanine, guanosine, dGDP, dGTP, N-bromosuccinimide, iodacetate, sodium borate and mercuric acetate.