948 resultados para Lamium album
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Complementa la visita guiada al edificio del Ayuntamiento de Palma y forma parte de la actividad del Departamento de Dinámica Educativa del Ayuntamiento de Palma de Mallorca
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Actuellement, la compréhension en lecture n’est pas souvent enseignée pour elle-même dans les classes genevoises. Comme l’ont observé Soussi et al. (2008), les pratiques se rapprochent davantage de l’évaluation plutôt que de l’enseignement de la compréhension en lecture. Les enseignants proposent fréquemment aux élèves un dispositif couramment appelé «lecture silencieuse»: la lecture d’un texte, suivie d’un questionnaire à remplir, de manière individuelle. Ce dispositif est, selon notre expérience d’élèves et de stagiaires, un outil évaluatif mais qui ne permet pas un enseignement explicite des stratégies de lecture nécessaires pour comprendre un texte
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Cette contribution vise à décrire et comprendre les conditions d’un enseignement de la lecture par la médiation d’une entrée «par effraction» dans un texte de fiction, réticent, combinant divers ordres sémiotiques (verbal et iconique), le caractère réticent du texte n’étant pas forcément dépendant de la combinaison des deux ordres. Cette visée implique de considérer le texte, d’une part, sous l’angle de l’évènement figural de son artéfact (quelles sont ces propriétés qui le rendent résistant à la lecture par rapport aux textes canoniques, identifiés dans les pratiques ordinaires?) et, d’autre part, dans sa combinatoire scripto-visuelle (quelle part les ordres verbal et iconique prennent-ils dans la (re)construction du récit?). Cette description sera conduite du point de vue du travail enseignant, considéré comme un ensemble de tâches, structurées selon une progression, et de manières de faire dans le cours de l’action, articulées aux difficultés des élèves
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The emergence behaviour of weed species in relation to cultural and meteorological events was studied. Dissimilarities between populations in dormancy and germination ecology, between-year maturation conditions and seed quality and burial site climate all contribute to potentially unpredictable variability. Therefore, a weed emergence data set was produced for weed seeds of Stellaria media and Chenopodium album matured and collected from three populations (Italy, Sweden and UK). The seeds were collected in two consecutive seasons (1999 and 2000) and subsequently buried in the autumn of the same year of maturation in eight contrasting climatic locations throughout Europe and the USA. The experiment sought to explore and explain differences between the three populations in their emergence behaviour. Evidence was demonstrated of synchrony in the timing of the emergence of different populations of a species at a given burial site. The relative magnitudes of emergence from the three populations at a given burial site in a given year were generally similar across all the burial sites in the study. The resulting data set was also used to construct a simple weed emergence model, which was tested for its application to the range of different burial environments and populations. The study demonstrated the possibility of using a simple thermal time-based model to describe part of the emergence behaviour across different burial sites, seed populations and seasons, and a simple winter chilling relationship to adjust for the magnitude of the flush of emergence at a given burial site. This study demonstrates the possibility of developing robust generic models for simple predictions of emergence timing across populations.
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The lace bug, Leptopharsa heveae is an insect that causes serious damage on rubber trees. In laboratory condition, the strains of Verticillium lecanii (ARSEF 6430, 6431 e 6432) and Aphanocladium album (ARSEF 6433) were tested on third-and fifth-instar nymphs and adults of L. heveae to evaluate their virulence using 2.4 x 10(5) and 2.4 x 10(7) conidia/mL. The bioassays were carried out using Petri dishes whose inner bottoms were covered with damp filter papers. Each Petri dish contained five insects and one rubber tree leaflet. The plates were covered with PVC film to provide high relative humidity, maintained at 26 +/- 0.5 degrees C and a photophase of 14 hours. The Probit analysis was calculated from mortality date of insects killed by fungi. In the highest concentrations, ARSEF 6430 was more virulent for third instar nymphs, and the LT50 was 1.9 days. For the fifth instar, the strains ARSEF 6430, 6433 and 6432 showed similar virulence with LT50 of 2.6, 2.6 and 3.2 days, respectively. For adults, ARSEF 6431 was the most virulent strain with the LT50 recorded at 2.0 days. The smallest concentration did not always cause more than 50% mortality.
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Dictyosperma album, commonly known as Princess Palm, due to its graceful appearance and its ability to withstand strong hurricane force winds is largely used in landscaping areas. The aim of this work was to describe the diaspores (seeds with the stuck endocarp) morphology and the stages of the D. album germination process. Therefore we concluded that the species germination is of the tubular remote type and begins with the opening of a circular operculum in the fruit endocarp, through which emerges a bulbous and hollow structure, named cotyledonal petiole or embryophore. With the embryo growth, the endosperm is being gradually consumed. The embryo grows approximately up to 10 cm, when the dilation begins in its extremity. Starting from this extensive area, it begins the growth of the primary root and the opening of a longitudinal rift, through which emerges the aerial part that is composed by two sheaths that cover the first juvenile leaf. In this phase, the emergence of secondary roots is observed. The first leaves are simple and lance-shaped.
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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The White Family Photograph Album Collection consists of 4 volumes of photographs taken by J. S. White of Rock Hill, SC of family members, friends, vacations, Rock Hill, SC, and of Winthrop from 1891-1897. One of the albums includes pictures from J.S. White’s tour of duty in the South Carolina Infantry during the Spanish American War.
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The Melle H. Beard Photograph Album collection consists of a photograph album of with images of Winthrop buildings, campus scenes, and pictures of Mrs. Beard and her friends while students at Winthrop College from 1917-1919. Melle Hanahan Beard from Charlotte, NC was a 1919 graduate of Winthrop Normal and Industrial College with an AB degree in Education.
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BACKGROUND: Equine sarcoids (ES) are common, difficult to treat, and have high recurrence rates. Viscum album extracts (VAE) are used in human cancer treatment. HYPOTHESIS: That therapy with VAE (Iscador P) is effective in the treatment of ES. ANIMALS: Fifty-three horses (444 ES); 42 were treated with VAE or placebo as monotherapy; 11 were treated with VAE or placebo after selective excision of ES. METHODS: Prospective, randomised, blinded, clinical trial. Horses were randomly assigned to treatment (VAE; n=32) or control group (Placebo; n=21). One milliliter of VAE (Iscador P) in increasing concentrations from 0.1 to 20 mg/mL or physiological NaCl solution was given SC 3 times a week over 105 days. Number, localization, and type of the ES were documented over 12 months. A subset of 163 clinically diagnosed equine sarcoid (CDES) lesions (95 VAE, 68 Placebo) was evaluated in detail, considering clinical findings and tumor volume. RESULTS: No undesired adverse effects were observed except for mild edema at the injection site in 5 of 32 horses (16%). Complete or partial regression was observed in 13 horses of the VAE group (41%) and in 3 of the control horses (14%; P<.05). After VAE treatment, 48 of 95 CDES (67%) showed an improvement compared with 17 of 68 CDES in the control group (40%; P<.01). Twenty-seven CDES had disappeared completely in the VAE group (38%) compared with 9 CDES in the control group (13% NS). CONCLUSIONS AND CLINICAL IMPORTANCE: VAE (Iscador P) represents a safe and effective treatment for CDES.
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BACKGROUND: The aim of the study was to evaluate the antiproliferative potency of Viscum album extract (VA-E) in human bladder carcinoma cell lines with regard to its possible use for intravesical therapy of superficial bladder cancer. MATERIALS AND METHODS: Proliferation (MTT-test or 3H-thymidine incorporation), necrotic disintegration (3H-thymidine release of prelabelled cells) and portions of apoptotic and/or necrotic cells (Annexin-V binding, propidium iodide (PI) labelling and DNA-fluorescence profiles by flow cytometry) were measured in four different human bladder carcinoma cell lines (T24, TCCSUP, J82 and UM-UC3) cultured in vitro. RESULTS: Antiproliferative effects of VA-E were observed in the four bladder carcinoma cell lines tested. Metabolic activity could also be completely abrogated by short-time contact of the cells with VA-E. Apoptosis and necrosis, as underlying mechanisms of action, were differentially expressed by the different cell lines. CONCLUSION: VA-E and cytotoxic proteins, i.e., mistletoe lectins (ML) and viscotoxins (VT), were able to block the growth of bladder carcinoma cells. Together with the immunomodulating properties of VA-E, the observed antiproliferative potency might give a rationale for the topical intravesical application of VA-E for the treatment of superficial bladder cancer.