1,720,972 research outputs found
Research regarding optimization of the working process for fertilization and drip irrigation of vegetable crops
No full textResearch regarding optimization of the working process for fertilization and drip irrigation of vegetable crops
No full text
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe 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
Full text link“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
Full text linkWe 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
Researches concerning the influence of pressure on the drip rate for different drip watering tape models
No full textThis research shows the influence of the operating pressure on the water flow dispersed through the drip watering tapes.
The experiments were organized on a stand in the Laboratory of Horticultural Machinery at the University of
Agricultural Sciences "Ion Ionescu de la Brad" in Iasi. In carrying out the experimental researches, there were used 10
types of drip watering tapes and the operating pressure varied from 0.025 to 0,2MPa. Following the experiments, there
have been found differences in the flow value of each drainer and each watering line, depending on the working
pressure and the type of tape used
Researches concerning the influence of pressure on the drip rate for different drip watering tape models
No full textThis research shows the influence of the operating pressure on the water flow dispersed through the drip watering tapes.
The experiments were organized on a stand in the Laboratory of Horticultural Machinery at the University of
Agricultural Sciences "Ion Ionescu de la Brad" in Iasi. In carrying out the experimental researches, there were used 10
types of drip watering tapes and the operating pressure varied from 0.025 to 0,2MPa. Following the experiments, there
have been found differences in the flow value of each drainer and each watering line, depending on the working
pressure and the type of tape used
Contribuţii la îmbunătăţirea regimului de fertilizare la o cultură de ardei gras
No full textThe research conducted within this study aimed to evaluate the influence
of fertilization simultaneously with drip irrigation in a crop of peppers established in
a tunnel. Trials were organized in a tunnel belonging to the Vegetable discipline,
located in "V. Adamachi" Didactic Farm, in Iasi. The purpose of the research was
toevaluate the effect of the fertilization method, using conventional fertilizers,
applied to the soil surface by spraying, and based on micro-organisms,
simultaneously with drip irrigation, compared to the unfertilized version. Thus, after
fertigation, there were found differences concerning the plant height, the number of
flowers and fruits on a plant, the average weight of fruit and the production per
hectare. The production obtained by the Brillant F1 pepper cultivar in the
fertigation version was of 85.850 kg / ha
Contribuţii la îmbunătăţirea regimului de fertilizare la o cultură de ardei gras
No full textThe research conducted within this study aimed to evaluate the influence
of fertilization simultaneously with drip irrigation in a crop of peppers established in
a tunnel. Trials were organized in a tunnel belonging to the Vegetable discipline,
located in "V. Adamachi" Didactic Farm, in Iasi. The purpose of the research was
toevaluate the effect of the fertilization method, using conventional fertilizers,
applied to the soil surface by spraying, and based on micro-organisms,
simultaneously with drip irrigation, compared to the unfertilized version. Thus, after
fertigation, there were found differences concerning the plant height, the number of
flowers and fruits on a plant, the average weight of fruit and the production per
hectare. The production obtained by the Brillant F1 pepper cultivar in the
fertigation version was of 85.850 kg / ha
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