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Przejdź do strony domowej biblioteki Pedagogiczna Biblioteka Wojewódzka im. Komisji Edukacji Narodowej w Lublinie Link otwiera się w nowym oknie Logo biblioteki Prolib Integro - strona głównaPedagogiczna Biblioteka Wojewódzka im. Komisji Edukacji Narodowej w Lublinie
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Wyświetlanie 1-10 z 29
Tytuł:
Growth and application of ultra-long multi-walled carbon nanotube
Autorzy:
Shimizu, S.
Okada, M.
Inoue, Y.
Neo, Y.
Kume, H.
Aoki, T.
Mimura, H.
Tematy:
CNT
CVD
yarn
FeCl2
Pokaż więcej
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Powiązania:
https://bibliotekanauki.pl/articles/385267.pdf  Link otwiera się w nowym oknie
Opis:
We found the easy and efficient synthesis method of the vertically aligned ultralong multi-walled nanotubes using iron chloride powder. The 2.1-mm-long bulk nanotubes can be grown by conventional thermal chemical vapor deposition on bare quartz surface with the single gas flow of acetylene for 20 min. In addition to the high growth rate, the bulk of carbon nanotubes is easily spun into the yarn by pulling it out, and the present method also provides the coating ability with nanotubes as a new functionality of this nanomaterial. Š 2008 American Institute of Physics.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of unequal power allocation in turbo coded multi-route multi-hop networks
Autorzy:
Wada, T.
Jamalipour, A.
Ohuchi, K.
Okada, H.
Saito, M.
Tematy:
multi-route transmissions
turbo codes
power allocation
Pokaż więcej
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Powiązania:
https://bibliotekanauki.pl/articles/309168.pdf  Link otwiera się w nowym oknie
Opis:
Multi-hop ad hoc networks are promising candidates for next generation mobile communications. They have sufficient channel capacity to achieve high data rate transmission for large number of users. One advantage of multi-hop networks is to realize multi-route transmissions. Since information bit streams can be transmitted over multiple routes, we can obtain route diversity effect. In order to enhance the route diversity effect, we usually introduce forward error correction schemes. Turbo coding is one of suitable coding methods for multi-hop networks. The turbo encoder generates one message stream and two parity streams whilst the message stream is more important than the parity streams for achieving reliable communications. Thus an unequal power allocation to the message and parity streams could be effective in improving the performance. In this paper, the effect of unequal power allocation for turbo coded multi-hop networks is investigated. Assuming the channel as additive white Gaussian and binary symmetric, we will show considerable performance improvement by unequal power allocation in terms of the bit error rate performance in multi-route multi-hop networks.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Synthesis and evaluation of novel mri contrast agents of chemically modified GD-DTPA complexes with sugars
Autorzy:
Sugiyama, M.
Yamashita, M.
Yu, G.
Fujie, M.
Ogawa, K.
Ozaki, N.
Aoki, T.
Mizuno, S.
Okada, S.
Tachi, K.
Aoshima, K.
Sankar, U. R.
Kumar, B. S.
Takehara, Y.
Sakahara, H.
Tematy:
MRI contrast agent
Gd(III)-DTPA
tumor imaging
Pokaż więcej
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Powiązania:
https://bibliotekanauki.pl/articles/385252.pdf  Link otwiera się w nowym oknie
Opis:
MRI is one of medical diagnostic imaging technologies that can draw the cross section in the body. To obtain a clearer image, Gd complexes are often used as MRI contrast agents. Gd-DTPA (Gd-Diethylenetriaminepentaacetate, Magnevist registered trademark ) is used in particular as the MRI contrast agents. We prepared and evaluated novel MRI contrast agents that were chemically modified Gd-DTPA with sugars (represented as Gd-DTPA-Sugar) via hydrolysis route for providing specificity to target organs and tissues. Gd-DTPASugar complex showed an excellent potential for the MRI contrast agent (r1=31.2 s-1mM-1). Gd-DTPA-Sugar complexes alternatively prepared by shorter synthetic route without protection/ deprotection (hydrolysis) method showed inferior results (r1=6.3 and 8.1 s-1mM-1) to the hydlized product.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Kaonic atoms experiment at the $DA\Phi NE$ collider by SIDDHARTA/SIDDHARTA-2
Autorzy:
Sirghi, F.
Curceanu, C.
Iwasaki, M.
Vazquez Doce, O.
Sirghi, D.
Piscicchia, K.
Del Grande, R.
Clozza, A.
Silarski, Michał
Cargnelli, M.
Scordo, A.
Fiorini, C.
Levi Sandri, P.
Niedźwiecki, Szymon
Miliucci, M.
Pietreanu, D.
Carminati, M.
Moskal, Paweł
Spallone, A.
De Paolis, L.
Spallone, M.
Amirkhani, A.
Okada, S.
Zmeskal, J.
Bragadireanu, M.
Skurzok, Magdalena
Baniahmad, A.
Bosnar, D.
Iliescu, M.
Fabbietti, L.
Guaraldo, C.
Widmann, E.
Marton, J.
Bazzi, M.
Opis:
The excellent quality kaon beam provided by the $DA\Phi NE$ collider of LNF-INFN (Italy) together with SIDDHARTA/SIDDHARTA-2 new experimental techniques, as very precise and fast-response X-ray detectors, allow to perform unprecedented measurements on light kaonic atoms crucial for a deeper understanding of the low-energy quantum chromodynamics (QCD) in the strangeness sector. In this paper an overview of the main results obtained by the SIDDHARTA collaboration, as well as the future plans related to the SIDDHARTA-2 experiment, are discussed.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Inne
Tytuł:
Kaonic atoms measurements at the DA$\Phi$NE Collider
Autorzy:
Shi, H.
Niedźwiecki, Szymon
Guaraldo, C.
Baniahmad, A.
Berucci, C.
Miliucci, M.
Silarski, Michał
Skurzok, Magdalena
Widmann, E.
Sirghi, D.
Ghio, F.
Piscicchia, K.
Bragadireanu, M.
Zmeskal, J.
Okada, S.
Fabbietti, L.
Scordo, A.
Tatsuno, H.
Martona, J.
Bellotti, G.
Iliescu, M.
Curceanu, C.
Cargnelli, M.
Pietreanu, D.
Iwasaki, M.
Bazzi, M.
Spallone, A.
Bosnar, D.
Moskal, Paweł
Amirkhani, A.
Sirghi, F.
Fiorini, C.
Opis:
The DAFNE electron-positron collider of the Laboratori Nazionali di Frascati of INFN is a worldwide unique low-energy kaon source, which is being used to produce and to study kaonic atoms by the SIDDHARTA collaboration. The X-ray measurements of kaonic atoms play an important role for understanding the low-energy QCD in the strangeness sector. Significant achievements have been obtained by the SIDDHARTA experiment, among which: the most precise kaonic hydrogen measurement of the 1s level shift and width induced by the presence of the strong interaction; an upper limit of the X-ray yield for kaonic deuterium K-series; the accurate measurement of the 2p level shift and width of kaonic helium-4 and kaonic helium-3; yields of various light kaonic atoms transitions. Using the experience gained with SIDDHARTA experiment, the first kaonic deuterium measurement is in preparation in the framework of the SIDDHARTA-2 experiment with the goal to determine the antikaon-nucleon isospin dependent scattering lengths, which is possible only by combining the K-p and the upcoming K-d results. An overview of the experimental results of SIDDHARTA and an outlook to SIDDHARTA-2 experiments are given in this paper.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Inne
Wyświetlanie 1-10 z 29

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