1,720,964 research outputs found
PLASTICITY AND ADAPTABILITY OF RED BEET ACCESSIONS IN VERTICAL ZONATION OF CENTRAL PRE-CAUCASIAN REGION
No full textThe problem to choose and use ecologically plasticiable cultivar accessions is one of the most important stage of the program for adaptive vegetable production. The right decision of the problem leads to rational utilization of material and natural resources, decreasing the expenses and charges. For successful development of vegetable breeding the cultivar adaptive specifications is necessary to know. Vertical zonation along with hydrothermal condition had an essential effect on yield of red beet. Not being depended on maturity type of cultivar accession their yield increased by 1.9-3.2 t/ha successively from plains towards mountain zone, corresponding to pre-mountain and mountainous regions in Chechen Republic. On average, for tree-year study the highest yield was 45.8 and 45.1 t/ha in cultivars ‘Bona’ and ‘Tsilindra’ respectively, not being depended on the zone of cultivation. The cultivars ‘Donskaya Ploskaya’ (flat), and ‘Odnorostkovaya’ were sources of ecological resistance, while the cultivars ‘Boltardy’ and ‘Detroit’ were sources of productivity. The cultivars ‘Boltardy’ and ‘Gribovskaya Ploskaya’ that had been responsive on regulated environmental factors and resistant to unregulated environmental factors were of multipurpose usage and intensive-cultivation type. The ‘Bordo 237’, Dvusemiyannaya TCKHA’, ‘Odnorostkovaya’ and ‘Tsilindra’ were distinguished from other by accumulation of dry matter and total sugars in all zones of cultivation. On cultivation zone change from steppe towards pre-mountain and mountainous region, the tendency was revealed that dry matter, total sugars and vitamin C content had increased, while the nitrate content had only depended on cultivar features
Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Get PDF“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Get PDFWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Dispelling the Myths Behind First-author Citation Counts
Get PDFWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
EFFECT OF FERTILIZATION ON THE YIELD OF RED BEET
No full textThe field experiment has revealed that application of green manure and mulching of seedlings by organic matters and zeolite-containing clay increases the amount of nitrogen, phosphorus, and improves agro-physical parameters of soil. As consequence the yield of red beet has increased up to 14-34%, the root weight has increased up to 11-16 g, and the standard output has increased up to 3-7%. The improvement of biochemical and phytosanitary quality of roots was revealed
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
- …
