Search
Now showing items 31-40 of 320
Relationship between the longevity and the age at maturity in long-lived fish: Rikhter/Efanov's and Hoenig's methods
(Elsevier Science Bv, Amsterdam, 2012)
The age at first maturity and species longevity are two important life history parameters for both fishery and conservation management. A relationship between species longevity and the age at maturity was derived by combining ...
The Tens Rule in Invasion Biology: Measure of a True Impact or Our Lack of Knowledge and Understanding?
(Springer, New York, 2012)
The Tens Rule, as well as the last stage described therein, i.e., the proportion of established species that becomes pests, is frequently perceived by the scientific community to indicate that introduced established species ...
The Effects of Iron Deficiency on Lead Accumulation in Ailanthus altissima (Mill.) Swingle Seedlings
(Wiley, Hoboken, 2012)
Understanding the effects of root Fe deficiency on the uptake and translocation of toxic metals can be important for improving the phytoremediation strategies of polluted soils. The present study investigated how Fe ...
Antioxidative system in maize roots as affected by osmotic stress and different nitrogen sources
(Acad Sciences Czech Republic, Inst Experimental Botany, Praha 6, 2010)
The activities of antioxidative enzymes and contents of proline and total phenolics were assayed in roots of two maize (Zea mays L.) genotypes grown in a medium containing nitrate (NO3 (-)) or both nitrogen forms, nitrate ...
Parameters Extraction of Ferrite EMI Suppressors for PCB Applications Using Microstrip Test Fixture
(IEEE-Inst Electrical Electronics Engineers Inc, Piscataway, 2010)
The goal of this work was to investigate the behavior of a ferrite electromagnetic interference (EMI) suppressor when placed in a real surrounding. Electrical parameter measurements of the same EMI suppressor can differ ...
Spectral and fractal analysis of cerebellar activity after single and repeated brain injury
(Springer, New York, 2008)
The cerebellum, even when not directly damaged, is potentially interesting for understanding the adaptive responses to brain injury. Cerebellar electrocortical activity (ECoG) in rats was studied using spectral and fractal ...
Acipenser sturio and Acipenser nudiventris in the Danube - extant or extinct?
(Wiley, Hoboken, 2009)
The presence of Atlantic sturgeon (Acipenser sturio) and ship sturgeon (Acipenser nudiventris) in the Danube has been known through only occasional, chance sightings; significant uncertainty remains as to whether these ...
Intrinsic resistivity of sintered nickel manganite vs. powder activation time and density
(Međunarodni Institut za nauku o sinterovanju, Beograd, 2008)
In this work the DC resistivity of sintered nickel manganite NiMn2O4 (NTC thermistor material) was studied as a function of additional powder activation time in a planetary ball mill (0, 5, 15, 30, 45 and 60 min). The ...
Accumulation of 20 elements in great cormorant (Phalacrocorax carbo) and its main prey, common carp (Cyprinus carpio) and Prussian carp (Carassius gibelio)
(Academic Press Inc Elsevier Science, San Diego, 2012)
In this study, 20 heavy metals and trace elements (Al, As, B, Ba, Cd, Co, Cr, Cu, Fe, Hg, Li, Mg, Mn, Mo, Ni, Pb, Si, Se, Sr and Zn) were analyzed in different tissues (muscle, liver, intestine, feather and bone) of the ...