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Wyświetlanie 1-15 z 106
Tytuł:
Exploring the Use of L1 in CLIL
Autorzy:
Papaja, Katarzyna
Powiązania:
https://bibliotekanauki.pl/articles/916819.pdf
Data publikacji:
2018-11-01
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
L1
CLIL
Opis:
There have always been contradicting views about whether to use the mother tongue in the foreign language classroom. The issue this paper is going to examine in more detail is the use as well as the purpose of the Polish language used in selected Content and Language Integrated Learning classrooms.
Źródło:
Glottodidactica. An International Journal of Applied Linguistics; 2007, 33, 1; 129-135
0072-4769
Pojawia się w:
Glottodidactica. An International Journal of Applied Linguistics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
L1-impulses method as an alternative method of harmonic components in the power theory of discrete time systems
Autorzy:
Siwczyński, M.
Drwal, A.
Żaba, S.
Powiązania:
https://bibliotekanauki.pl/articles/201087.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
L1-impulses
time-discrete L1 impulses operational method
time domain
Opis:
The article presents the basic mathematical theory of the operational calculus of the L1-impulses in the discrete time domain. It presents the isomorphism between the rational function set of complex variable and the exponential L1 impulses set of positive and negative time domain. The paper shows how for any factorization of the rational function consisting of casual and noncasual parts can be directly obtained the N – periodic version of the original signal using for the individual components of the L1 impulses N – copy formula. It is done by the distribution of the convolution – the type admitance operator Y of electrical circuit to the two commutative convolution operators and on this basis is obtained the distribution of electrical circuit current to two components: the active current and the reactive current in the discrete time domain using the cyclic convolutions. The distribution of current in the time domain for signals significantly different from the sinusoidal is much more favorable than the distribution in the frequency domain.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2012, 60, 1; 111-117
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Exploring senior high school students’ difficulties and strategies for reading L1 and L2 texts in Taiwan
Autorzy:
Tsai, Cheng-Chang
Powiązania:
https://bibliotekanauki.pl/articles/2011738.pdf
Data publikacji:
2015-09-30
Wydawca:
Wydawnictwo Adam Marszałek
Tematy:
L1 and L 2 reading difficulties
L1 and L 2 reading strategies
reading strategy curriculum and instruction
Opis:
This study is an attempt to explore proficient Taiwanese senior high school students’ difficulties and strategies in L1 (Chinese) and L 2 (English) Reading. A total of eight proficient students participated in this study. An in-depth face to face interview was adopted for data collection. Thanks to the enthusiastic response of the students, we could gain an overall understanding of their reading difficulties and strategies in Chinese and English reading. This study shows that there are some similarities and differences between Chinese and English reading perceptions. Based on the findings of this study, classroom teachers will be able to design more effective reading strategy curricula and instruction geared to their students’ needs.
Źródło:
The New Educational Review; 2015, 41; 39-51
1732-6729
Pojawia się w:
The New Educational Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
K neekologičnosti manipulace
Manipulation as an non-ecological expression
Manipulacja jako wyraz nieekologicznej ekspresji
Autorzy:
Štěpáník, Stanislav
Powiązania:
https://bibliotekanauki.pl/articles/28395255.pdf
Data publikacji:
2022
Wydawca:
Wydawnictwo Uniwersytetu Śląskiego
Tematy:
ekolingwistyka
manipulacja
sieci społecznościowe
dydaktyka L1
ecolinguistics
manipulation
social networks
L1 didactics
Opis:
W artykule przedstawiono konieczność wprowadzenia tematyki ekolingwistycznej do nauczania języka ojczystego. Na przykładzie postów i wpisów na Instagramie dokonanych przez czeskich, polskich i słowackich influencerów pokazano, że techniki manipulacyjne przekraczają granice krajów i języków. Jeśli przyjmiemy tezę, że manipulacja jest w znacznej mierze zjawiskiem nieekologicznym, tj. zagrażającym życiu większych ekosystemów, to konieczna jest reakcja szkoły na tę sytuację, głównie dlatego, że dzieci i młodzież to jedna z grup szczególnie podatnych na zagrożenia.
The paper presents the necessity of implementing ecolinguistic topics into L1 teaching. It takes Instagram posts of Czech, Polish and Slovak influencers as an example and shows that manipulation techniques overreach the boundaries of countries and languages. If we accept the thesis that manipulation is dominantly a non-ecological phenomenon, which threatens the life of wider ecosystems, the reaction of school is inevitable, especially because children and youth form a highly vulnerable group.
Źródło:
Z Teorii i Praktyki Dydaktycznej Języka Polskiego; 2022, 31; 1-10
0208-5011
2353-9577
Pojawia się w:
Z Teorii i Praktyki Dydaktycznej Języka Polskiego
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Perception of Directionality in Translation Among Students
Autorzy:
Pietryga, Marcelina
Powiązania:
https://bibliotekanauki.pl/articles/2131274.pdf
Data publikacji:
2022-05-15
Wydawca:
Uniwersytet Warmińsko-Mazurski w Olsztynie
Tematy:
directionality
questionnaire
students
L1
L2
Opis:
The present study, in the form of a questionnaire, aims to analyse students’ subjective perception of directionality in translation. Additionally, it places a particular emphasis on the aspects which are perceived as difficult in each direction. Although for most students, L2 translation is more cognitively demanding, and they prefer to translate into L1, such preferences may change as the result of the amount of translation training. Students with a longer span in translation training frequently encounter more problems in L1 translation and may not have any preferred direction of translation. Nevertheless, the importance of practicing translating into L2 has been emphasized in many aspects, like expanding L2 competence or translation market demand; additionally, it is also a preferred language of translation for some students. Vocabulary and terminology have been described as the most problematic in both directions of translation. Other aspects which pose many problems and require some training are both L1 and L2 grammar as well as punctuation.     　   　  　 
Źródło:
Acta Neophilologica; 2022, 1, XXIV; 87-110
1509-1619
Pojawia się w:
Acta Neophilologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Subspaces of the Bourgain-Delbaen space
Autorzy:
Haydon, Richard
Powiązania:
https://bibliotekanauki.pl/articles/1206093.pdf
Data publikacji:
2000
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Tematy:
$ℓ^1$-predual
$ℒ^∞$-space
$ℓ^p$-space
Opis:
It is shown that every infinite-dimensional closed subspace of the Bourgain-Delbaen space $X_{a,b}$ has a subspace isomorphic to some $ℓ^p$.
Źródło:
Studia Mathematica; 2000, 139, 3; 275-293
0039-3223
Pojawia się w:
Studia Mathematica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Quantitative and qualitative aspects of L1 (Swedish) and L2 (English) idiom perception
Autorzy:
Karlsson, Monica
Powiązania:
https://bibliotekanauki.pl/articles/780511.pdf
Data publikacji:
2013-06
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
L1/L2
idiom comprehension
transparency
source domain
frequency
context
Opis:
In the present investigation, 15 first term university students were faced with 80 context-based idioms in English (L2) and Swedish (L1) respectively, 30 of which were in the source domain of animals, commonly used in both languages, and asked to explain their meaning. The idioms were of varying frequency and transparency. Three main research questions were thus addressed:1. How well do students master idioms in their L2 as compared to their L1?2. How do (a) degrees of transparency, (b) idiom frequency and (c) the choice of source domain affect students’ L1 and L2 comprehension?3. To what extent is context used when interpreting L1 and L2 idioms?Results show that while the frequency of an idiom does not appear to play a part in whether it is comprehended or not in either language, the degree of transparency is of great importance in students’ L2. Also, students make extensive use of context in their L2.
Źródło:
Studies in Second Language Learning and Teaching; 2013, 3, 2; 293-319
2083-5205
2084-1965
Pojawia się w:
Studies in Second Language Learning and Teaching
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On Radio Connection Number of Graphs
Autorzy:
Marinescu-Ghemeci, Ruxandra
Powiązania:
https://bibliotekanauki.pl/articles/31343294.pdf
Data publikacji:
2019-08-01
Wydawca:
Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
Tematy:
radio connection number
radio coloring
L (2, 1)-connection number
L (2, 1)-connectivity
L (2, 1)-labeling
Opis:
Given a graph G and a vertex coloring c, G is called l-radio connected if between any two distinct vertices u and v there is a path such that coloring c restricted to that path is an l-radio coloring. The smallest number of colors needed to make G l-radio connected is called the l-radio connection number of G. In this paper we introduce these notions and initiate the study of connectivity through radio colored paths, providing results on the 2-radio connection number, also called L(2, 1)-connection number: lower and upper bounds, existence problems, exact values for known classes of graphs and graph operations.
Źródło:
Discussiones Mathematicae Graph Theory; 2019, 39, 3; 705-730
2083-5892
Pojawia się w:
Discussiones Mathematicae Graph Theory
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Relationship Between English and Polish Rhythm Measures in Polish Learners of English
Autorzy:
Gralińska-Brawata, Anna
Powiązania:
https://bibliotekanauki.pl/articles/620839.pdf
Data publikacji:
2015-06-01
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
L1 and L2 speech rhythm
rhythm measures
vowel reduction
Opis:
This paper investigates native and non-native speech rhythm in the speech of Polish learners of English at an intermediate/upper-intermediate level. More specifically, it attempts to explore the relationship between rhythm measures scores in L1 Polish and L2 English within individual speakers. Phonological vowel reduction in terms of duration is present in English and crucial for the perception and acoustic measurements of linguistic rhythm. Polish, on the other hand, has no phonological reduction of that kind. The acquisition of L2 vowel reduction is highly determined by the level of language proficiency and influences non-native rhythmic patterns. The study tests six speech rhythm measures: %V, ΔV, ΔC, VarcoV, VarcoC and nPVI-V in two tempos: normal and fast. The results show that most of these measures are positively and significantly correlated with each other between L1 Polish and L2 English across the subjects and for two tempos, although to a different degree. Highly significantly correlation has been noted for %V and ΔC in fast tempo. Moderate significant correlations between the two languages are observed for ΔV, ΔC (normal tempo), VarcoV and nPVI in fast tempo.
Źródło:
Research in Language; 2015, 13, 2; 124-139
1731-7533
Pojawia się w:
Research in Language
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fragments of LINE-1 retrotransposons flanked by inverted telomeric repeats are present in the bovine genome. Homology with human LINE-1 elements
Autorzy:
Płucienniczak, Grażyna
Płucienniczak, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/1044443.pdf
Data publikacji:
1999
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
L1MC4
LINE-1
retrotransposons
telomeric repeats
Opis:
In the bovine genome we found two intrachromosomal DNA fragments flanked by inverted telomeric repeats (GenBank Accession Nos. AF136741 and AF136742). The internal parts of the fragments are homologous exclusively to the human sequences and to the consensus sequence of the L1MC4 subfamily of LINE-1 retrotransposons which are widespread among mammalian genomes. We found that distribution of homologous human sequences within our fragments is not random, reflecting a complicated pattern of insertion mechanisms of and maintenance of retrotransposons in mammalian genomes. One of the possible explanations of the origin of LINE-1 truncated elements flanked by inverted telomeric repeats in the bovine genome is that extrachromosomal DNA fragments may be modified by telomerase and subsequently, transferred into chromosomal DNA.
Źródło:
Acta Biochimica Polonica; 1999, 46, 4; 873-878
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pronuncia e grafia tra L1 e L2: alcune considerazioni sugli errori ortografici di studenti slovenofoni
Pronunciation and Writing Between L1 and L2: Some Considerations on Spelling Errors of Slovene Students
Autorzy:
Bažec, Helena
Powiązania:
https://bibliotekanauki.pl/articles/446387.pdf
Data publikacji:
2019-09-13
Wydawca:
Wydawnictwo Adam Marszałek
Tematy:
Slovene L1
Italian L2
error analysis
spelling
error frequency
sloveno L1
italiano L2
analisi degli errori
ortografia
frequenza degli errori
Opis:
This paper proposes a model for the analysis of spelling mistakes that Slovene speakers make in written production in Italian as FL/L2. This model is based on a grid produced by other authors and adapted for the specific needs of the present research. The grid comprises four categories: phonological errors, non-phonological errors, phonetic errors, and punctuation errors. Each category is further divided into sub-categories. The aim of the research is to discover which category yields more errors and what their origin is, in order to propose scientific bases for improvements in teaching Italian to Slovene students. The conclusion is that students and teachers have to deal with first-language interference as well as negative transfer from English as FL/L2, another foreign language that students acquire, and universal strategies comprising generalisation, simplification, and regularisation.
Il presente articolo propone un modello per l’analisi di errori ortografici che L1 sloveni commettono nella produzione scritta in italiano L2/LS. Questo modello si basa su una griglia ideata da altri autori e adattata alle esigenze specifiche della ricerca presentata in questo contributo. La griglia comprende quattro categorie: errori fonologici, non fonologici, fonetici e di interpunzione. Ogni categoria è ulteriormente suddivisa in sottocategorie. L’obiettivo del presente contributo è scoprire quale categoria sia la più rappresentata e quale sia l’origine per proporre delle basi scientifiche sulle quali si potrà migliorare l’insegnamento dell’italiano a slovenofoni. La conclusione è che gli apprendenti e i docenti si devono confrontare con l’interferenza dalla L1, con il transfer negativo dall’inglese L2/LS e con le strategie universali comprendenti la generalizzazione, la semplificazione e la regolarizzazione.
Źródło:
Italica Wratislaviensia; 2019, 10.1; 11-29
2084-4514
Pojawia się w:
Italica Wratislaviensia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The usage of antibiotics for prevention of contamination in 3T3-L1 preadipocyte culture
Autorzy:
Ariyanto, Eko Fuji
Wikayani, Tenny Putri
Qomarilla, Nurul
Powiązania:
https://bibliotekanauki.pl/articles/1076667.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
3T3-L1 preadipocytes
antibiotics
contamination
Opis:
Background: 3T3-L1 preadipocyte is the most commonly used cell line in in vivo studies of obesity. One of the main concerns in 3T3-L1 preadipocyte culture is microorganism contaminations. The objective of this study was to determine the appropriate antibiotics to prevent contaminations in 3T3-L1 cultures. Method: This study used descriptive analysis. Frozen 3T3-L1 preadipocytes were thawed and cultured in DMEM-10% FBS-1% penicillin-streptomycin, DMEM-10% FBS-1% penicillin-streptomycin-fungiezone, or DMEM-10% FBS-0.2% ciprofloxacin 200 mg/100 ml. After 24-hour incubation, the cells were observed under the microscope for any change in the medium colour, presence of abnormal structures, and abnormality in cell morphology. Results: The usage of 1% penicillin-streptomycin, 1% penicillin-streptomycin-fungiezone, or 0.2% ciprofloxacin 200 mg/100 ml maintained the clean medium and conserved normal fibroblast-like morphology of the cells. Conclusion: This study suggested that 1% penicillin-streptomycin, 1% penicillin-streptomycin-fungiezone, or 0.2% ciprofloxacin 200 mg/100 ml can be utilized in 3T3-L1 preadipocyte cultures to prevent contaminations.
Źródło:
World News of Natural Sciences; 2019, 26; 218-223
2543-5426
Pojawia się w:
World News of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On the $L_1$-convergence of Fourier series
Autorzy:
Fridli, S.
Powiązania:
https://bibliotekanauki.pl/articles/1219140.pdf
Data publikacji:
1997
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Tematy:
Fourier series
$L_1$-convergence
a.e. convergence
Opis:
Since the trigonometric Fourier series of an integrable function does not necessarily converge to the function in the mean, several additional conditions have been devised to guarantee the convergence. For instance, sufficient conditions can be constructed by using the Fourier coefficients or the integral modulus of the corresponding function. In this paper we give a Hardy-Karamata type Tauberian condition on the Fourier coefficients and prove that it implies the convergence of the Fourier series in integral norm, almost everywhere, and if the function itself is in the real Hardy space, then also in the Hardy norm. We also compare it to the previously known conditions.
Źródło:
Studia Mathematica; 1997, 125, 2; 161-174
0039-3223
Pojawia się w:
Studia Mathematica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Energy-optimal current distribution in a complex linear electrical network with pulse or periodic voltage and current signals. Optimal control
Autorzy:
Siwczyński, M.
Żaba, S.
Drwal, A.
Powiązania:
https://bibliotekanauki.pl/articles/202133.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
L1-impulses
linear circuits
energy losses
operators
optimal control
impulsy L1
obwody liniowe
straty energii
operator
optymalna kontrola
Opis:
The article presents that in the circuits of electrical signals belonging to the L1-impulses space or periodic signals space, real distribution of electrical currents occurs which does not meet the principle of minimum energy losses. The paper presents a solution of this problem by using the control system in the form of current-dependent voltage sources entering it into a meshes set of a complex RLC network. It has been shown that the control is energy-neutral.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2016, 64, 1; 45-50
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Związek aktywności transpozonów line z wybranymi chorobami genetycznymi człowieka
Activity of line transposons and selected genetic diseases
Autorzy:
Łojewska, Ewelina
Olejniczak, Szymon
Sakowicz, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/1034058.pdf
Data publikacji:
2017
Wydawca:
Polskie Towarzystwo Przyrodników im. Kopernika
Tematy:
cancer genetics
human genetic diseases
L1 sequences
LINE
transposon activity
aktywność transpozonów
choroby genetyczne człowieka
genetyka nowotworów
sekwencje L1
Opis:
Sekwencje LINE należą do grupy ruchomych elementów genetycznych w genomach eukariotycznych. Rozprzestrzeniają się w nich według modelu "kopiuj i wklej" za pośrednictwem RNA i odwrotnej transkryptazy. W genomie ludzkim zlokalizowano ponad 500 tys. kopii tych elementów, niemniej nieliczne z nich zachowują swoją aktywność. Jej konsekwencją jest destabilizacja struktury genomu powodująca m.in. zaburzenia ekspresji genów, alternatywnego splicingu czy aktywację alternatywnych promotorów. Transpozycja LINE to proces aktywny głównie we wczesnych stadiach embriogenezy, natomiast w prawidłowych komórkach somatycznych tłumiona jest za pomocą mechanizmów epigenetycznych. Zmiany w poziomie metylacji DNA tych elementów są jednym z głównych wskaźników ich aktywności wiązanej z licznymi chorobami genetycznymi. Najpełniej opisane zostały zależności między aktywnością LINE a różnymi postaciami nowotworów.
LINE transposons (Long Interspersed Nuclear Elements) are mobile, endogenous genetic elements widespread in eukaryotic genomes. Their ability to spread out with help of reverse transcriptase by using RNA intermediates indicates that they belong to autonomous retrotransposons. Original element is transcribed, then RNA undergoes reverse transcription and as a DNA fragment it is inserted into another part of the genome. Despite of the presence of over 500.000 of their copies in the human genome, majority of LINEs became inactive due to structural changes during the process of evolution. Sequences that retained their original function, play an important role in organization and functioning of genomes. Their activity results in destabilization of a genome structure, as a result of de novo insertions of LINEs and changes caused by homologous recombination between them. They can cause changes in the level of gene expression by interfering with alternative splicing (resulting in exon skipping or selecting cryptic splice sites), generating polyadenylation signals or providing alternative promoters. LINE retrotransposition is active mainly during the early stages of embryogenesis. In normal somatic cells this process is silenced by epigenetic mechanisms. Changes in DNA methylation levels of these elements is one of the main indicators of their activity associated with multiple genetic diseases. Correlations between LINE activity and multiple forms of neoplasms are mostly described in this paper.
Źródło:
Kosmos; 2017, 66, 3; 343-350
0023-4249
Pojawia się w:
Kosmos
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 106

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