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101.
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103.
The complexes with long alkyl chains {[Fe(C16-trz)3](ClO4)2}n (1), [Fe(C15-BPT)2(NCS)2] (2), [Fe(C16-salen)Cl] (3), [Fe(C16-salmmen)Cl] (4), K[Fe(C16-salen)(CN)2] (5), K[Fe(C16-salmmen)(CN)2] (6), Na[Fe(C16-salmmen)(CN)2] (7), [Mn(C16-salen)Cl] (8), [Ni(C16-salen)] (9), [Cu(C16-salen)] (10) were synthesized (C16-trz = 4-hexadecyl-1,2,4-triazole, C15-BPT = N-(3,5-di-2-pyridinyl-4H-1,2,4-triazol-4-yl)-hexadecanecarboxamide, C16-salen = N,N-bis[4-(hexadecyloxy)salicylidene]ethylenediamine, C16-salmmen = N,N′-bis[4-(hexadecyloxy)salicylidene]-1,2-diaminopropane). Langmuir–Blodgett (LB) films of compounds 1–10 were prepared (Scheme 1). The transfers of the molecules from onto the gas–water surface to glass substrate were confirmed by UV–Vis spectra. The second harmonic generation (SHG) were estimated for the LB films formed by the metal complexes. The SHG was observed for the complexes with the long alkyl chains in LB film. The order of the intensity for the SHG related with the number of unpaired d electrons or the d electron configurations. 相似文献
104.
Katsuya Ikegami Masato Morifuji Hideki Momose Masahiko Kondow 《Physica E: Low-dimensional Systems and Nanostructures》2006,33(2):381-387
In order to investigate formation process of electronic quantum states in a confined system, we simulate motion of a wavepacket state and show how an eigenstate is formed due to coherence of electronic wave from the viewpoint that an eigenstate arises as a result of self-interference of a moving electron. Numerical results for a Hénon–Heiles potential in which chaotic motion can occur in the classical mechanics indicate that electronic eigenstates can arise even when motion of an electron is non-periodic. The results show that, in the quantum mechanics, periodicity is unnecessary for the formation of eigenstates. 相似文献
105.
Takeda Masuo Wang Junhu Nishimura Tatsuru Suzuki Katsuya Kitazawa Takafumi Takahashi Masashi 《Hyperfine Interactions》2004,156(1-4):359-364
Hyperfine Interactions - We have examined the 155Gd Mössbauer spectra at 12 K for 25 complexes having different coordination numbers and different ratios of coordinating oxygen to nitrogen... 相似文献
106.
Yutaka Wada Yoshio Seike Nobuyuki Tsuboi Katsuya Hasegawa Kiyokazu Kobayashi Makihito Nishioka Keiichi Hori 《Proceedings of the Combustion Institute》2009,32(2):2005-2012
Tetra-ol glycidyl azide polymer (GAP) is one of the best candidates for the solid fuel of gas hybrid rocket system because of self-combustibility, better mechanical property and high heat of formation, and comprehensive understanding of combustion phenomena is indispensable for such an application. Combustion model of GAP, which is one-dimensional three-phase mode combustion model, was developed by Beckstead et al. and they applied it to tri-ol GAP successfully. We have applied this model to tetra-ol GAP as an initial attempt, and numerical simulation showed that maximum temperatures in the gas phase exceeded those of experimental results significantly, and calculated burning rates were much higher than strand burner data, thus, modification of the model taking account of combustion incompleteness was found to be necessary. Combustion residues of GAP were investigated, and those were found to be composed of soot (black color), and high viscosity residue (HVR), and yellow powder which was only observed at high pressures. These residues were analyzed by means of SEM and FTIR, and mass balance was also measured. Modifications of combustion model were made taking the residue analysis results into account as Blow Off Mechanism. Simulated final temperature in the gas phase and burning rate are lowered effectively and coincide well with experimental data adjusting kinetic parameters. 相似文献
107.
Kazuo Sasazawa Yuko Yamada Akiko Fujisawa Toshikazu Saitoh Katsuya Ueno Kazuya Oharu Hideo Sawada 《Colloid and polymer science》2005,283(7):812-816
Self-assembled fluorinated molecular aggregates formed by fluoroalkyl end-capped N-(1,1-dimethyl-3-oxobutyl)acrylamide oligomers, N,N-dimethylacrylamide oligomers, and acrylic acid oligomers in methanol could selectively recognize fluoresceins as guest molecules to form a new class of fluorinated aggregates-fluorescein nanocomposites. These fluorinated fluorescein nanocomposites that are obtained exhibit an extraordinarily enhanced light absorption (max ca. 440 nm) compared to that (maxs 452, 480 nm) of the parent fluorescein in the absence of fluorinated aggregates. 相似文献
108.
109.
The singular homology groups of compact CW-complexes are finitelygenerated, but the groups of compact metric spaces in generalare very easy to generate infinitely and our understanding ofthese groups is far from complete even for the following compactsubset of the plane, called the Hawaiian earring:
Griffiths [11] gave a presentation of the fundamental groupof H and the proof was completed by Morgan and Morrison [15].The same group is presented as the free -product of integers Z in [4, Appendix]. Hence the firstintegral singular homology group H1(H) is the abelianizationof the group . These results have been generalized to non-metrizable counterparts HI of H(see Section 3). In Section 2 we prove that H1(X) is torsion-free and Hi(X) =0 for each one-dimensional normal space X and for each i 2.The result for i 2 is a slight generalization of [2, Theorem5]. In Section 3 we provide an explicit presentation of H1(H)and also H1(HI) by using results of [4]. Throughout this paper, a continuum means a compact connectedmetric space and all maps are assumed to be continuous. Allhomology groups have the integers Z as the coefficients. Thebouquet with n circles is denoted by Bn. The base point (0, 0) of Bn is denoted by o forsimplicity. 相似文献
110.
Summary A ternary complex between iron(III), Chromal Blue G (C. I. 43835) and cetyltrimethylammonium chloride is proposed for the determination of iron (III). The stoichiometric ratio of iron (III) to Chromai Blue G is 13. Beer's law is obeyed from 0.04 to 0.4 ppm of iron; the molar absorptivity is 1.43×105 l·mole–1·cm–1. The proposed method has been applied to the determination of iron in a magnesium alloy.
Hochempfindliche spektrophotometrische Bestimmung von Mikromengen Eisen mit Chromctlblau G und Cetyltrimethylammoniumcblorid
Zusammenfassung Zur Bestimmung von Eisen(III) wird ein ternärer Komplex aus Eisen(III), Chromai Blue G (Farbindex 43835) und Cetyltrimethylammoniumchlorid vorgeschlagen. Das stöchiometrische Verhältnis Eisen(III): Chromal Blue G ist 13. Das Beersche Gesetz gilt von 0,04 bis 0,4 ppm Fe; der Extinktionskoeffizient ist 1,43×105 l·mole–1·cm–1. Die vorgeschlagene Methode dient für die Bestimmung von Eisen in Magnesiumlegierungen.相似文献