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Combining ability and breeding potential of oilseed rape advanced lines for some of important quantitative traits
Valiollah Rameeh, 2017, izvirni znanstveni članek

Opis: Information on estimates of combining ability of the promising lines of breeding material is important for evolving higher yielding varieties of oilseed rape (Brassica napus L.). An experiment was conducted to quantitatively examine the genetic parameters of phenological traits, plant height, pods on main raceme, pods per plant and seed yield for eight oilseed rape genotypes using a half-diallel crosses. The result of the diallel analysis revealed significant mean squares of general and specific combining abilities (GCA and SCA) for all studied traits, indicating the importance of additive and non-additive genetic effects for these traits. On the other hand estimation of high narrow-sense heritability estimates for days to flowering, duration of flowering and pods on main raceme, indicated the prime importance of additive genetic effects for these traits. L420 and L401 with significant negative GCA effects for days to flowering and days to maturity were suitable for yielding early maturity combinations. L41, Zafar and L22 with significant positive GCA effects for seed yield were superior parents for increasing seed yield. The crosses with significant positive SCA effects for seed yield had at least one parent with significant positive GCA effects for this trait. The crosses including L41×L22, L41×LF2, Zafar×L22 and Zafar×L420 with seed yield of 3421.7, 3400, 3348.1 and 3311.3 kg ha-1 could be promising for determination of superior recombinants for high seed yield coupled with other growth characters in advanced generations of segregation.
Ključne besede: additive genetic effects, Brassica napus, degree of dominance, combining ability, heritability, oilseed rape, yield
Objavljeno v DKUM: 10.10.2018; Ogledov: 823; Prenosov: 269
.pdf Celotno besedilo (276,21 KB)
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Spatial ability, 3D modelling and styles of thinking in relation to brain hemisphere dominance
Andrej Šafhalter, Srečko Glodež, Karin Bakračevič, 2013, izvirni znanstveni članek

Opis: The progress of neuroscience and the understanding of children's styles of thinking are opening up new teaching styles that take into account differences in individual cognitive perception. Students can be classified into three distinctive perceptive types, according to the pronounced activity of one cerebral hemisphere in their thinking and information processing: left-hemisphere, right-hemisphere, and integrative type that does not exhibit a considerable dominance of one particular hemisphere. The purpose of the research was to establish differences in the 3D modeling encouraged progression of spatial ability between the left-hemisphere, right-hemisphere and integrative types of students. Computerized 3D modeling employed during technical extra-curricular activity in lower secondary school (grades 6 to 9) may affect the spatial ability of students, which according to other studies, appears to be predominantly connected with the right brain hemisphere. Research was conducted among a variety of lower secondary school students across Slovenia aged 11 15 years. Data on spatial ability and its development was collected using a hybrid spatial intelligence test conducted on two separate occasions, while assessment of the learning perception type of students depending on hemispheric dominance was obtained using a self-evaluation questionnaire. The 3D modeling of technical objects and objects drawn in orthographic or isometric projection was done with the software Trimble SketchUp.
Ključne besede: cognitive development, spatial ability, 3D modeling
Objavljeno v DKUM: 19.12.2017; Ogledov: 714; Prenosov: 94
.pdf Celotno besedilo (669,06 KB)
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Integration of design, modeling and visualization in slovenian primary education
Kosta Dolenc, Boris Aberšek, 2012, izvirni znanstveni članek

Opis: A human being perceives the world spatially, he detects and properly processes distances, size of objects, their shapes and all that is linked to our perceptions of the world. Humans' sensors provide the information about the world around and brain translates this information into thoughts, into ideas. The whole process is completely natural. In the past, due to technological limitations, the human attempted to generalize these ideas and convert them into a form so that he could "record" it on a flat medium, like on paper for example, and because of that he consequently had to develop the ability to "read these records. The term spatial perception was introduced and after that it was established that not everyone has it. To possess spatial perception an abstract way of thinking and higher cognitive abilities are needed. This paper presents an integration of design, three dimensional (3D) modeling and visualization program SketchUp in Design and technology curriculum into Slovenian primary schools. Emphasis is given to the analysis of the past and current condition and situation and on the incorporation of the program into the primary school curriculum. With the strategy assigned in such a way, the abilities that are connected with technological activities are strengthened, spatial intelligence is developed and assimilated. With such an approach two of the key European competences: 1. Mathematical competence and 2. Basic competences in science and technology and digital literacy, are acquired and reinforced.
Ključne besede: ability, competence, design, technology, SketchUp, spatial intelligence
Objavljeno v DKUM: 15.12.2017; Ogledov: 786; Prenosov: 120
.pdf Celotno besedilo (437,71 KB)
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Teaching early-level foreign languages to pupils with impaired pronunciation abilities
Věra Janíková, 2009, pregledni znanstveni članek

Opis: Today, teaching and learning early-level foreign languages has become a common issue often discussed by specialists. This article deals with the problems of foreign language pronunciation for primary level pupils with impaired communication abilities. The article includes findings from special education and psychology reports along with a definition of the term impaired communication ability and the phonetic-phonological impact it has on learning a foreign language. The conclusion presents some chosen methods for teaching drama and theatre projects that deal with proper pronunciation training and the results of related research investigations.
Ključne besede: special education needs, specific learning difficulties, impaired communication ability, early-level foreign language learning, methods of teaching drama, research
Objavljeno v DKUM: 09.10.2017; Ogledov: 1067; Prenosov: 76
.pdf Celotno besedilo (951,93 KB)
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Dependence of warm or cold feeling and heat retention ability of knitwear from digital print parameters
Mladen Stančić, Dragana Grujić, Dragoljub Novaković, Nemanja Kašiković, Branka Ružičić, Jelka Geršak, 2014, izvirni znanstveni članek

Opis: Textile materials are increasingly being subjected to the process of printing. The printing process with its parameters significantly affects the properties of textile materials and clothes made from these materials. This paper examines the effect of the parameters of digital printing on thermo-physiological characteristics of printed textile materials. As the essential print parameters were selected tone value and a different number of passes. In this research were used knitted fabric materials of 100% cotton fibers (100% CO), 100% polyester fibers (100% PES) and their mixture (50%CO/50% PES). The influence of print parameters to thermo-physiological properties of the material is evaluated through a warm or cold feeling and heat retention ability. Results of the research demonstrated that, in addition to material composition, the printing process with its parameters have a significant influence on the thermo-physiological characteristics of textile materials.
Ključne besede: digital printing, textile materials, thermo-physiological comfort, warm of cold feeling, heat retention ability
Objavljeno v DKUM: 09.08.2017; Ogledov: 813; Prenosov: 72
.pdf Celotno besedilo (934,30 KB)
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