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3202. Misál opatovický

Creator:
Červenka, Stanislav, Hrbáčová, Jana, and Kohout, Štěpán
Format:
bez média and svazek
Type:
model:article and TEXT
Subject:
Missal, Opatovice nad Labem, Johannes Noviforensis, Neplach, Liber viaticus, and book illustration
Language:
Multiple languages
Description:
The authors treat a manuscript missal unknown to this day by experts, which is housed at the Scientific Library in Olomouc (M III 106). After having analysed the manuscript in the line of codicology (Š. Kohout), history of arts (J. Hrbačova), and musicology (S. Červenka), they conclude that this codex was intended for the needs of the Benedictine Convent in Opatovice nad Labem. It was created shortly after the year 1354, its illuminations are the work of a Prague workshop associated with the court of King Charles IV, which participated in the production of a series of exclusive manuscripts, e. g. Liber viaticus of the Bishop Johannes Noviforensis. The Viaticus and the missal of Opatovice are on the same line in terms of decoration. The missal was probably ordered by the then Benedictine Abbot Neplach who maintained frequent official contacts with the Bishop occupying the office of chancellor to Charles IV.
Rights:
http://creativecommons.org/publicdomain/mark/1.0/ and policy:public

3203. Misál opatovický

Creator:
Kohout, Štěpán, Červenka, Stanislav, and Hrbáčová, Jana
Format:
electronic
Type:
model:article and TEXT
Subject:
Missal, Opatovice nad Labem, Johannes Noviforensis, Neplach, Liber viaticus, book illustration, and NX
Language:
Multiple languages
Description:
The authors treat a manuscript missal unknown to this day by experts, which is housed at the Scientific Library in Olomouc (M III 106). After having analysed the manuscript in the line of codicology (Š. Kohout), history of arts (J. Hrbačova), and musicology (S. Červenka), they conclude that this codex was intended for the needs of the Benedictine Convent in Opatovice nad Labem. It was created shortly after the year 1354, its illuminations are the work of a Prague workshop associated with the court of King Charles IV, which participated in the production of a series of exclusive manuscripts, e. g. Liber viaticus of the Bishop Johannes Noviforensis. The Viaticus and the missal of Opatovice are on the same line in terms of decoration. The missal was probably ordered by the then Benedictine Abbot Neplach who maintained frequent official contacts with the Bishop occupying the office of chancellor to Charles IV.
Rights:
http://creativecommons.org/publicdomain/mark/1.0/ and policy:public

3204. Misál opatovický

Creator:
Červenka, Stanislav, Hrbáčová, Jana, and Kohout, Štěpán
Format:
electronic
Type:
model:article and TEXT
Subject:
Missal, Opatovice nad Labem, Johannes Noviforensis, Neplach, Liber viaticus, book illustration, and NX
Language:
Multiple languages
Description:
The authors treat a manuscript missal unknown to this day by experts, which is housed at the Scientific Library in Olomouc (M III 106). After having analysed the manuscript in the line of codicology (Š. Kohout), history of arts (J. Hrbačova), and musicology (S. Červenka), they conclude that this codex was intended for the needs of the Benedictine Convent in Opatovice nad Labem. It was created shortly after the year 1354, its illuminations are the work of a Prague workshop associated with the court of King Charles IV, which participated in the production of a series of exclusive manuscripts, e. g. Liber viaticus of the Bishop Johannes Noviforensis. The Viaticus and the missal of Opatovice are on the same line in terms of decoration. The missal was probably ordered by the then Benedictine Abbot Neplach who maintained frequent official contacts with the Bishop occupying the office of chancellor to Charles IV.
Rights:
http://creativecommons.org/publicdomain/mark/1.0/ and policy:public

3207. Mitochondrial alternative oxidase pathway acts as an electron sink during photosynthetic induction in Rumex K-1 leaves

Creator:
Cheng, D.D. and Zhang, L.T.
Format:
počítač and online zdroj
Type:
model:article and TEXT
Subject:
alternative oxidase, photodamage, photosystem II photochemical efficiency, photosynthetic induction, and Rumex K-1
Language:
Multiple languages
Description:
Chloroplast PSII photochemical efficiency is upregulated more rapidly than CO2 assimilation during photosynthesis induction, suggesting the existence of other electron sinks than that of CO2 assimilation. We hypothesized that the mitochondrial alternative oxidase (AOX) pathway could be such a sink. Inhibition of the AOX restricted light activation of the malate-oxaloacetate shuttle and caused an excessive reduction of PSI acceptor side and substantial accumulation of QA-, hindering the photosynthetic linear electron transport rate (ETR) and leading to an imbalance between light energy absorption and exploitation during photosynthetic induction. ETR limitation also restricted the formation of thylakoid pH gradient, evidenced by a decreased de-epoxidation of the xanthophyll cycle, thus preventing nonphotochemical quenching. Delayed CO2 assimilation due to thylakoid pH gradient restriction was partially reversed by exogenous ATP application. The AOX pathway acts as a photosynthetic electron sink, protecting the photosynthetic apparatus against photoinhibition and accelerating the induction of CO2 assimilation during photosynthetic induction in Rumex K-1 leaves.
Rights:
http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public

3208. Modeling individual leaf area of rose (Rosa hybrida L.) based on leaf length and width measurement

Creator:
Rouphael, Y., Mouneimne, A. H., Ismail, A., Mendoza-de Gyves, E., Rivera, C. M., and Colla, G.
Format:
bez média and svazek
Type:
model:article and TEXT
Subject:
botanika, botany, individual leaf area, linear measurements, nondestructive methods, Rosa hybrida L., and validation
Language:
Multiple languages
Description:
Accurate and nondestructive methods to determine individual leaf areas of plants are a useful tool in physiological and agronomic research. Determining the individual leaf area (LA) of rose (Rosa hybrida L.) involves measurements of leaf parameters such as length (L) and width (W), or some combinations of these parameters. Two-year investigation was carried out during 2007 (on thirteen cultivars) and 2008 (on one cultivar) under greenhouse conditions, respectively, to test whether a model could be developed to estimate LA of rose across cultivars. Regression analysis of LA vs. L and W revealed several models that could be used for estimating the area of individual rose leaves. A linear model having L×W as the independent variable provided the most accurate estimate (highest r2, smallest MSE, and the smallest PRESS) of LA in rose. Validation of the model having L×W of leaves measured in the 2008 experiment coming from other cultivars of rose showed that the correlation between calculated and measured rose LA was very high. Therefore, this model can estimate accurately and in large quantities the LA of rose plants in many experimental comparisons without the use of any expensive instruments. and Y. Rouphael ... [et al.].
Rights:
http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public

3209. Modelling diurnal courses of photosynthesis and transpiration of leaves on the basis of stomatal and non-stomatal responses, including photoinhibition

Creator:
Yu, Qiang, Goudriaan, J., and Wang, Tian-Duo
Format:
bez média and svazek
Type:
model:article and TEXT
Subject:
diurnal courses, initial photon efficiency, irradiance, leaf temperature, midday deppression, model, photosynthetic photon flux density, stomatal conductance, and temperature
Language:
Multiple languages
Description:
A mathematical model for photoinhibition of leaf photosynthesis was developed by formalising the assumptions that (1) the rate of photoinhibition is proportional to irradiance; and (2) the rate of recovery, derived from the formulae for a pseudo first-order process, is proportional to the extent of inhibition. The photoinhibition model to calculate initial photo yield is integrated into a photosynthesis-stomatal conductance (gs) model that combines net photosynthetic rate (PN), transpiration rate (E), and gs, and also the leaf energy balance. The model was run to simulate the diurnal courses of PN, E, gs, photochemical efficiency, i.e., ratio of intercellular CO2 concentration and CO2 concentration over leaf surface (Ci/Cs), and leaf temperature (T1) under different irradiances, air temperature, and humidity separately with fixed time courses of others. When midday depression occurred under high temperature, gs decreased the most and E the least. The duration of midday depression of gs was the longest and that in E the shortest. E increased with increasing vapour pressure deficit (VPD) initially, but when VPD exceeded a certain value, it decreased with increasing VPD; this was caused by a rapid decrease in gs. When air temperature exceeded a certain value, an increase in solar irradiance raised T1 and the degree of midday depression. High solar radiation caused large decrease in initial photon efficiency (α). PN, E, and gs showed reasonable decreases under conditions causing photoinhibition compared with non-photoinhibition condition under high irradiance. The T1 under photoinhibition was higher than that under non-photoinhibition conditions, which was evident under high solar irradiance around noon. The decrease in Ci/Cs at midday implies that stomatal closure is a factor causing midday depression of photosynthesis. and Qiang Yu, J. Goudriaan, Tian-Duo Wang.
Rights:
http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public

3210. Modelling net photosynthetic rate of winter wheat in elevated air CO2 concentrations

Creator:
Harnos, N., Tuba, Z., and Szente, K.
Format:
bez média and svazek
Type:
model:article and TEXT
Subject:
acclimation, carotenoids, chlorophyll, intercellular CO2 concentration, leaf area, net photosynthetic rate, ribulose-1,5-bisphosphate carboxylase/oxygenase capacity, temperature, and Triticum aestivum
Language:
Multiple languages
Description:
Winter wheat plants were grown in open top chambers either at 365 µmol mol-1 (AC) or at 700 µmol mol-1 (EC) air CO2 concentrations. The photosynthetic response of flag leaves at the beginning of flowering and on four vertical leaf levels at the beginning of grain filling were measured. Net photosynthetic rates (PN) were higher at both developmental phases in plants grown at EC coupled with larger leaf area and photosynthetic pigment contents. The widely accepted Farquhar net photosynthesis model was parameterised and tested using several observed data. After parameterisation the test results corresponded satisfactorily with observed values under several environmental conditions. and N. Harnos, Z. Tuba, K. Szente.
Rights:
http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public

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