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Start Over Coverage 63-70

1. Aspects of the morphology and a review of the taxonomic status of three species of the genus Chonopeltis (Crustacea: Branchiura) from the Orange-Vaal and South West Cape River Systems, South Africa

Creator:
Van As, Liesl L. and Van As, Jo G.
Format:
print
Type:
model:internalpart and TEXT
Subject:
Chonopeltis australis, Chonopeltis minutus, Chonopeltis australissimus, taxonomy, morphology, and fish parasite
Language:
English
Description:
Comparative scanning electron microscopical studies were carried out on Chonopeltis australis Boxshall, 1976 collected from different localities in the Orange-Vaal River System in South Africa and on material of Chonopeltis minutus Fryer, 1977 and Chonopeltis australissimus Fryer, 1977 on loan from the Albany Museum, Grahamstown. This elucidates the fine structure of morphological features, which are of taxonomic importance and illustrates the significance of the copulatory structures on the legs as a taxonomic tool. It was also concluded that C. australissimus is the same as C. minutus, with C. australissimus the junior synonym.
Rights:
http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public

2. Auxiliary sensitivity analysis applied to stability problems of steel frame structures

Creator:
Kala, Zdeněk
Format:
bez média and svazek
Type:
model:article and TEXT
Subject:
sensitivity analysis, simulation method, imperfections, yields strength, and buckling
Language:
English
Description:
Basic methods of the sensitivity analysis applicable in combination with numerical Monte Carlo type simulation methods are presented in the paper. An example of the influence of a plane steel fame initial imperfections on its load-carrying capacity variability is given there. It is shown in this paper that basic sensitivity analysis methods can be inaccurate in some cases. The updated modification of the procedures mentioned is proposed so that it were possible to apply them to the most various structure types solved by means of simulation methods. The influence of initial imperfections on the load-carrying capacity of steel plane frame is analysed by auxiliary sensitivity analysis. The realisations of input random quantities were simulated by the Latin Hypercube Sampling method. The load-carrying capacity was solved by geometrically and materially nonlinear solution. and Obsahuje seznam literatury
Rights:
http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public

3. Characterization of the alternating groups by their order and one conjugacy class length

Creator:
Asboei, Alireza Khalili and Mohammadyari, Reza
Format:
print, bez média, and svazek
Type:
model:article and TEXT
Subject:
časování, mathematics, finite simple group, conjugacy class size, prime graph, Thompson’s conjecture, 13, and 51
Language:
English
Description:
Let G be a finite group, and let N(G) be the set of conjugacy class sizes of G. By Thompson’s conjecture, if L is a finite non-abelian simple group, G is a finite group with a trivial center, and N(G) = N(L), then L and G are isomorphic. Recently, Chen et al. contributed interestingly to Thompson’s conjecture under a weak condition. They only used the group order and one or two special conjugacy class sizes of simple groups and characterized successfully sporadic simple groups (see Li’s PhD dissertation). In this article, we investigate validity of Thompson’s conjecture under a weak condition for the alternating groups of degrees p+1 and p+2, where p is a prime number. This work implies that Thompson’s conjecture holds for the alternating groups of degree p + 1 and p + 2., Alireza Khalili Asboei, Reza Mohammadyari., and Obsahuje seznam literatury
Rights:
http://creativecommons.org/publicdomain/mark/1.0/ and policy:public

4. Interactive effects of elevated CO2 and drought on photosynthetic capacity and PSII performance in maize

Creator:
Zong, Y. Z., Wang, W. F., Xue, Q. W., and Shangguan, Z. P.
Format:
print, bez média, and svazek
Type:
model:article and TEXT
Subject:
fotosyntéza, photosynthesis, drought stress, elevated CO2 concentration, OJIP induction curves, PN-Ci curves, 2, and 581
Language:
Multiple languages
Description:
Elevated atmospheric CO2 concentration [CO2] and the change of water distribution in arid and semiarid areas affect plant physiology and ecosystem processes. The interaction of elevated [CO2] and drought results in the complex response such as changes in the energy flux of photosynthesis. The performance of photosystem (PS) II and the electron transport were evaluated by using OJIP induction curves of chlorophyll a fluorescence and the PN-Ci curves in the two-factor controlled experiment with [CO2] of 380 (AC) or 750 (EC) [μmol mol-1] and water stress by 10% polyethylene glycol 6000. Compared to water-stressed maize (Zea mays L.) under AC, the EC treatment combined with water stress decreased the number of active reaction centers but it increased the antenna size and the energy flux (absorbed photon flux, trapping flux, and electron transport flux) of each reaction center in PSII. Thus, the electron transport rate was enhanced, despite the indistinctively changed quantum yield of the electron transport and energy dissipation. The combination of EC and the water-stress treatment resulted in the robust carboxylation rate without elevating the saturated photosynthetic rate (Pmax). This study demonstrated that maize was capable of transporting more electrons into the carboxylation reaction, but this could not be used to increase Pmax under EC., Y. Z. Zong, W. F. Wang, Q. W. Xue, Z. P. Shangguan., and Obsahuje bibliografii
Rights:
http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public

5. K problémům teorie městské folklorní písně

Creator:
Traxler, Jiří and Křížová, Markéta
Format:
print
Type:
model:internalpart and TEXT
Language:
Czech
Description:
One of the chapters of the synthese „The folk song, music and dance in the Czech culture“, prepared by the employees of the Department of Ethnomusicology, of Ethnological Institute of Czech Academy of Sciences, will be dedicated to the Urban (folk) song in the historical ad social cultural context. The present study tries to formulate a summary of theoretical information as a methodological and terminological point of departure for a further research, a summary based on the sematic analysis of the individual components of the term „urban folk song“ and on the previous fundamental editions and monographies. The author proves that the inomissible part of the so called national treasure of songs has its roots exactly in the urban folk song, he reflects on the purpose of the contemporary investigation in this field and on the problem of the very existence of the urban folk song as a recent type. He points out the difficulties brought on by the attempts of the systematization in this sphere, he analyses various classification criteria and recommends their combination with the so called phenomenons (market song, party song etc.) In conclusion, he recapitulates briefly the hitherto produced bibliography in this field.
Rights:
http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public

6. Leaf and stem characteristics in maize strains differing in stem leaf number

Creator:
Ephrath, J.E., Hesketh, J.D., and Alm, D.M.
Format:
print
Type:
model:internalpart and TEXT
Language:
Multiple languages
Description:
Better logic is needed for predicting genetic and environmental effects on canopy leaf expansion and stem extension. We measured leaf area and intemode lengths and dry masses for 19 strains of Zea mays L., with mature leaf numbers ranging from 10 to 27, at a uniform population density. Similar measurements were made on plants growing in four different plant densities for one of the cultivars (Pioneer 3344). The number of the ear nodes correlated well with total leaf number. In generál, area per ear-node leaf increased up to 20 total leaves, with considerable variability among strains having roughly the same total leaf number. Other generál relationships were found between total leaf number and (a) the nodal position of the leaf with maximum area, as well as (h) the two positions above and below the ear node for 1/2 maximum area, (c) intemode lengths, and (d) intemode dry masses. Such information can be ušed for developing better maize production management models, as well as better selection methods for increased productivity.
Rights:
http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public

8. Stochastic structure of annual discharges of large European rivers

Creator:
Stojković, Milan, Prohaska, Stevan, and Plavšić, Jasna
Format:
bez média and svazek
Type:
model:article and TEXT
Subject:
stochastic model, flow simulation, long-term periodicity, and single bootstrap model SBM
Language:
Slovak
Description:
Water resource has become a guarantee for sustainable development on both local and global scales. Exploiting water resources involves development of hydrological models for water management planning. In this paper we present a new stochastic model for generation of mean annul flows. The model is based on historical characteristics of time series of annual flows and consists of the trend component, long-term periodic component and stochastic component. The rest of specified components are model errors which are represented as a random time series. The random time series is generated by the single bootstrap model (SBM). Stochastic ensemble of error terms at the single hydrological station is formed using the SBM method. The ultimate stochastic model gives solutions of annual flows and presents a useful tool for integrated river basin planning and water management studies. The model is applied for ten large European rivers with long observed period. Validation of model results suggests that the stochastic flows simulated by the model can be used for hydrological simulations in river basins.
Rights:
http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public

9. Two new species of Philometra (Nematoda: Philometridae) parasitic in the perciform fish Cynoscion nebulosus (Sciaenidae) in the estuaries of South Carolina, USA

Creator:
Moravec, František, Buron, Isaure de, and Roumillat, William A.
Format:
bez média and svazek
Type:
model:article and TEXT
Subject:
parasitic nematode, Philometra, new species, estuarine fish, Cynoscion, South Carolina, USA, and West Atlantic Ocean
Language:
English
Description:
Two new nematode species of Philometra Costa, 1845, P. carolinensis sp. n. and P. cynoscionis sp. n., are described from the spotted seatrout, Cynoscion nebulosus (Cuvier) (Sciaenidae, Perciformes) in estuaries on the Atlantic coast of South Carolina, USA. Philometra carolinensis (males and gravid and subgravid females) parasitic in the host's ovary is most similar to P. lateolabracis (Yamaguti, 1935) in female morphology, but distinctly differs from it in possessing conspicuously short spicules (81-87 µm long) with heavily sclerotized distal parts, the gubernaculum bearing a reflected dorsal barb, and in the length ratio of the gubernaculum and spicules (1:1.23-1.42) in the male. Philometra cynoscionis (only gravid females) found subcutaneously in the host's tissue (lateral to the ascending process of the premaxilla and also posteromedial to the length of each maxilla) is characterized mainly by the presence of cephalic papillae arranged in two circles (8 large papillae in outer circle and 6 small papillae in inner circle), the absence of caudal projections, the body size (length of gravid female 20-33 mm) and the location in the host.
Rights:
http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public