Autor: Kawamura, K. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Continua which admit no mean
Autorzy:: Kawamura, K.
Tymchatyn, E.
Powiązania:: https://bibliotekanauki.pl/articles/966893.pdf
Data publikacji:: 1996
Wydawca:: Polska Akademia Nauk. Instytut Matematyczny PAN
Tematy:: mean
pseudo-arc
Opis:: A symmetric, idempotent, continuous binary operation on a space is called a mean. In this paper, we provide a criterion for the non-existence of mean on a certain class of continua which includes tree-like continua. This generalizes a result of Bell and Watson. We also prove that any hereditarily indecomposable circle-like continuum admits no mean.
Źródło:: Colloquium Mathematicum; 1996, 71, 1; 97-105
0010-1354
Pojawia się w:: Colloquium Mathematicum
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Abundance frequency of plant species as animal feeds to determine ideal cattle grazing
Autorzy:: Yulianto, R.
Xuan, T.D.
Kawamura, K.
Lim, J.
Yoshitoshi, R.
Xinyan, F.
Zhe, G.
Powiązania:: https://bibliotekanauki.pl/articles/11556.pdf
Data publikacji:: 2016
Wydawca:: Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Opis:: The objectives of this study were to determine the dominant frequency of plant species, and provide useful information toward the conservation management of animal feed in grazing areas, Hiroshima, Japan. The numbers of plant species were 32 and 21 in spring and summer, respectively. The appearance frequency of plant species more than 50% in the spring, consist of Veronica arvensis (75.57%), Trifolium repens (73.86%), Paspalum dilatatum (69.32%), Lamium purpureum (68.75%), Trifolium dubium (65.34%), Cerastium glomeratum (63.64%), whereas in summer, it consists of Paspalum notatum (98.30%), Trifolium repens (81.25%), Paspalum dilatatum (78.98%), and Kyllinga brevifolia (74.43%). It was observed that the plant high of the plant species were 16.64 and 21.55 cm; vegetation cover rates were 77.18 and 81.36%; chlorophyll content were 41.72 and 36.28 mg/g Fw, and species numbers were 17.91 and 10.18, in spring and summer, respectively. Findings of this research propose that Trifolium repens (clover), Rumex japonicus (weed), and Paspalum dilatatum (grass) are dominant species in the studied areas that can be utilized as animal feeds.
Źródło:: International Letters of Natural Sciences; 2016, 58
2300-9675
Pojawia się w:: International Letters of Natural Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: X-Ray Diffraction Study of CeT₂Al₁₀ (T = Ru, Os) at Low Temperatures and under Pressures
Autorzy:: Kawamura, Y.
Hayashi, J.
Takeda, K.
Sekine, C.
Tanida, H.
Sera, M.
Nakano, S.
Tomita, T.
Takahashi, H.
Nishioka, T.
Powiązania:: https://bibliotekanauki.pl/articles/1032713.pdf
Data publikacji:: 2017-04
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 61.50.Ks
Opis:: We have carried out a powder X-ray diffraction investigation on antiferromagnetic Kondo semiconductors CeRu₂Al₁₀ and CeOs₂Al₁₀ at low temperatures and under high pressures as well as the structural investigation on single crystal of these compounds. The results of powder X-ray studies of CeRu₂Al₁₀ and CeOs₂Al₁₀ indicate that these compounds do not have structural transition at its antiferromagnetic ordering temperature. The results of single crystal structural refinement indicate that the b-axis of this crystal structure is insensitive not only to pressure but also to temperature and that the effect of cooling to Ce-Ce distance for CeRu₂Al₁₀ is the same as that for CeOs₂Al₁₀.
Źródło:: Acta Physica Polonica A; 2017, 131, 4; 988-990
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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