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  • 2020-2022  (316)
  • 2005-2009  (686)
  • 2000-2004  (632)
  • 1925-1929
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  • 1
    Monograph available for loan
    Monograph available for loan
    Introduction to computational earthquake engineering (2006)
    London : Imperial College Press
    Details Availability
    Call number: 5/M 06.0557
    Description / Table of Contents: Contents: Preliminaries: Solid Continuum Mechanics, Finite Element Method, Stochastic Modeling. - Strong Ground Motion: The Wave Equation for Solids, Analysis of Strong Ground Motion, Simulation of Strong Ground Motion. - Faulting: Elasto-Plasticity and Fracture Mechanics, Analysis of Faulting, Simulation of Faulting, BEM Simulation of Faulting. - Advanced Topics: Integrated Earthquake Simulation, Unified Visualization of Earthquake Simulation, Standardization of Earthquake Resistant Design.
    Type of Medium: Monograph available for loan
    Pages: x, 330 S.
    ISBN: 1860946216
    Classification:
    Seismology
    Location: Reading room
    Branch Library: GFZ Library
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  • 2
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    Myonase is Localized in Skeletal Muscle Myofibrils (2002)
    Oxford University Press
    Details
    Publication Date: 2002-09-01
    Print ISSN: 0021-924X
    Electronic ISSN: 1756-2651
    Topics: Biology , Chemistry and Pharmacology
    Published by Oxford University Press on behalf of Japanese Biochemical Society.
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    PAPER CURRENT
  • 3
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    Comparative study of goldfish growth and survival rate feeding by fairy shrimp (Phallocryptus spinosa), Artemia and concentrate diet (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25621 | 18721 | 2018-10-07 16:32:04 | 25621 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-16
    Description: The diet quality and type has a great role in aquatic animals and leads to increase of resistance against diseases and good growth. Cultured andornamental fish do not access to live and selected food due to captivity condition. Threfore, they should be provided with complete diet similar to natural food in captive condition. Carotenoid pigments are responsible of flesh pigmentation of edible fish and skin color of ornamental fish. The accumulation of this pigments in fish tissue has a greate importance in marketing and hence due to lack of its synthesis, carotenoids shoud be added to diet of cultured fish. As the synthetic carotenoids are harmful to the environment , there is a greate interest to use natural carotenoids in ornamental fish diets to obtain bright color. This study was carried out to compare the effects of diets containing Artemia urmiana and Phallocryptus spinosa supplements and commercial feed on growth and survival of goldfish fingerlings, quality of skin color, amounts of total carotenoids, Astaxantin, Canthaxantin and beta-carotene inCultured Carassius auratus during 90 days. The culture medium were contained glass aquaria in controlled condition and suitable for goldfish growth with 12 L: 12 D photoperiod and water temperature of 28±1 oC 3 test groups were included: treatment 1 fed with concentrate diet , treatment 2 fed with concentrate and frizzed Phallocryptus spinosa with tha same concentrations and treatment 3 fed with concentrate and frizzed Artemia urmiana with the same concentrations . Each treatment contains 2 replications and each replication consisted of 30 goldfish. In this study, The amounts of total carotenoids using spectrophotometer modelWPA, astaxantin, canthaxantin and beta-carotene using HPLC model Younglin, UK, were determined in the skin of Carassius auratus at the end of the exprement period. The results revealed that the most growth rate (GR), specific growth rate and condition factor (CF) were 0.11 ±0.006, 0.34 ± 0.015 and 3.96 ± 0.10, respectively which due to treatment 3 and the most weight gain and length gain including 8.57± 1.18g and 31.54± 3.33 mm, respectively due to treatment 2 .During rearing period, there was not any significant difference among treatments (p〉0.05). The analysis of obtained data showed that there was a significant difference between diets containing live food and concentrate diet (p〈0.05). The results revealed that live food enhanced skin color of Carassius auratus compared to concentrate diet. Also, the most pigmentation obtained from the diet contained fairy shrimp. As, in concentrate, concentrate and fairy shrimps, concentrate and Artemia diets amounts of total carotenoids at 450 nm wave length were 1.09, 3.90 and 2.07 mg/100, asthaxantin were 84.57, 205.82 and 102.24 ng/g and canthaxanthin were 0.24, 35.79 and 30.64 ng/g and carotenoid were 34.73, 138.78 and 69.77 ng/g, respectively. The use of fairy shrimp compared to Artemia in the diet can be significantly increased the amounts of carotenoids especially asthaxanthin in the skin of goldfish (p〈0.05). Therefore fairy shrimps can be used as a suitable for artemia and high cost synthetic pigments to enhance color of ornamental fish.
    Keywords: Aquaculture ; Iran ; Carasius auratus ; Growth ; Survival ; Carotenoid pigments ; Artemia urmiana ; Phallocryptus spinosa ; Concentrate ; Fish ; Goldfish ; Survival rate ; Feeding ; Diet
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 48
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  • 4
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    Deep sea current in the dumping area for industrial waste off Sanriku district. (2020)
    Details
    Publication Date: 2021-05-19
    Description: To examine the magnitude of deep sea current in the dumping areas which is designated for industrial waste by law, a continuous measurement for twelve days was done in one of these areas (40°09'.3 N, 145°21'.l E) from July to August 1975. A rotor-type current meter with magnetic recording was installed, with an acoustic release system, 80 meters above the sea bed where the water depth was 5270 meters. The obtained current velocities were distributed between 8 and 20 cm/sec and the current directions between 355° and 38°. Simple average of all the data gave mean current of 13. 3 cm/sec in velocity and 14. 7° in direction. The north component of mean current is 13 cm/sec and is four times higher than the east component (3 cm/sec). Variations of the current which have longer periods such as 11. 6, 5. 8 and 3. 9 days were noticed from the Fourier analysis of the data series. Fairly remarkable changes of tidal period such as 12 and 25 hours were found only for the north component after examination of their self-correlations.
    Description: Published
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.51-58
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  • 5
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    Core sample of bottom sediment at the northern part of Nakanose,Tokyo Bay. (2020)
    Details
    Publication Date: 2021-05-19
    Description: The rate of sedimentation of Tokyo Bay is estimated by means of core analysis as 2.4 cm per 10 years. This rate was determined on the basis of the key bed of scoria layer derived from the Hoei eruption of Mt. Fuji. And, chronological changes of sedimentary environment through the core have been found by the analyses of grain size, minerals, pollen, diatom, and foraminifera.
    Description: Published
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.87-108
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  • 6
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    Preliminary Statistical Comparisons of Spin‐Averaged Electron Data From Arase and Van Allen Probes Instruments (2021)
    Details
    Publication Date: 2021-09-29
    Description: Following the end of the Van Allen Probes mission, the Arase satellite offers a unique opportunity to continue in‐situ radiation belt and ring current particle measurements into the next solar cycle. In this study we compare spin‐averaged flux measurements from the MEPe, HEP‐L, HEP‐H, and XEP‐SSD instruments on Arase with those from the MagEIS and REPT instruments on the Van Allen Probes, calculating Pearson correlation coefficient and the mean ratio of fluxes at L* conjunctions between the spacecraft. Arase and Van Allen Probes measurements show a close agreement over a wide range of energies, observing a similar general evolution of electron flux, as well as average, peak, and minimum values. Measurements from the two missions agree especially well in the 3.6 = L* ≤ 4.4 range where Arase samples similar magnetic latitudes to Van Allen Probes. Arase tends to record higher flux for energies 〈670 keV with longer decay times after flux enhancements, particularly for L* 〈 3.6. Conversely, for energies 〉1.4 MeV, Arase flux measurements are generally lower than those of Van Allen Probes, especially for L* 〉 4.4. The correlation coefficient values show that the 〉1.4 MeV flux from both missions are well correlated, indicating a similar general evolution, although flux magnitudes differ. We perform a preliminary intercalibration between the two missions using the mean ratio of the fluxes as an energy‐ and L*‐ dependent intercalibration factor. The intercalibration factor improves agreement between the fluxes in the 0.58–1 MeV range.
    Description: Key Points: MEPe, HEPH, HEPL, XEPSSD, and MAGEIS/REPT show a good correlation at energies above 300 keV and 3 〈 L* 〈 4.6. Flux measurements at the same energy from the two missions are highly comparable in magnitude. Intercalibration via energy‐ and L*‐dependent factors improves the agreement between Arase and RBSP.
    Description: Camargo Foundation http://dx.doi.org/10.13039/501100001666
    Description: EC, Horizon 2020 Framework Programme (H2020) http://dx.doi.org/10.13039/100010661
    Description: Deutsche Forschungsgemeinschaft (DFG) http://dx.doi.org/10.13039/501100001659
    Keywords: 522 ; Arase/ERG ; RBSP ; intercalibration
    Type: map
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    CITATION GEO-LEO
  • 7
    Electronic Resource
    Electronic Resource
    Subsurface reactions of silicon nitride in a highly selective etching process of silicon oxide over silicon nitride (2002)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 91 (2002), S. 3452-3458 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: In situ subsurface reaction measurements of silicon nitride in a selective etching process of silicon oxide over silicon nitride using an x-ray photoelectron spectroscopy (XPS) and a Fourier transform infrared reflection absorption spectroscopy (FTIR RAS) have been carried out. Under low selectivity etching conditions using an electron cyclotron resonance plasma employing a pure octafluorocyclobutane (C4F8) gas, a clear difference has been observed between time-evolution spectra of FTIR RAS and those of XPS on the etched silicon nitride films. From these results it has been found that the etching reaction layer is thicker than that under highly selective etching conditions and that SiF3 bonds are located in the deeper region rather than in the shallow region of the reaction layer. On the other hand, under highly selective etching conditions employing C4F8 gas diluted by Ar gas, it has been observed that the shallow region of the reaction layer in the etched silicon nitride films becomes C–C cross-linking-rich and CN sp2 bond-rich. From these results, it is concluded that the C–C cross linking prevents CN sp2 bonds from reacting with F atoms, resulting in the suppression of the etch by-products such as FCN. © 2002 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1448870
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  • 8
    Electronic Resource
    Electronic Resource
    Plasma diagnostics and low-temperature deposition of microcrystalline silicon films in ultrahigh-frequency silane plasma (2000)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 88 (2000), S. 576-581 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Microcrystalline silicon thin films were formed on quartz substrates by ultrahigh-frequency (UHF) plasma enhanced chemical vapor deposition from a mixture of silane (SiH4) and hydrogen (H2) gases at low substrate temperatures (Ts). The UHF plasma was excited at a frequency of 500 MHz. The deposition rate and the crystallinity of the films were investigated as a function of H2 dilution, total pressure, mixture ratio of SiH4 to H2 and Ts. A crystalline fraction of 63% with a high deposition rate of 7.7 Å/s was obtained even at a Ts of 100 °C. At a temperature of 300 °C, a crystalline fraction of approximately 86% was achieved at a deposition rate of 1.4 Å/s. Diagnostics of the UHF plasma have been carried out using a Langmuir probe, ultraviolet absorption spectroscopy, and optical emission spectroscopy. Good crystallinity was explained by the balance of the sheath voltage and atomic hydrogen densities in the UHF plasma. Namely, the UHF plasma source achieving a high density plasma with a low electron temperature enabled us to reduce the ion bombardment energy incident on the substrates while maintaining a high density of hydrogen atoms, and which improved the crystallinity at low Ts. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.373698
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  • 9
    Electronic Resource
    Electronic Resource
    Absolute concentration and loss kinetics of hydrogen atom in methane and hydrogen plasmas (2001)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 90 (2001), S. 5497-5503 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A measurement technique of the absolute concentration of hydrogen (H) atoms in methane (CH4) and/or hydrogen molecule (H2) plasmas has been established. The H-atom concentration was evaluated by vacuum ultraviolet absorption spectroscopy (VUVAS) using a high-pressure H2 microdischarge hollow cathode lamp (H2-MHCL) as the Lyman α (Lα 121.6 nm) light emission source. A measurement technique of the background absorption caused by species other than H atoms at the Lα line was developed by using the VUVAS technique with the MHCL employing nitrogen molecules (N2-MHCL). The lines around Lα used for the background absorption measurements are 2p23s 4P5/2–2p3 4S3/20 at 119.955 nm, 2p23s 4P3/2–2p3 4S3/20 at 120.022 nm, and 2p23s 4P1/2–2p3 4S3/20 at 120.071 nm of the N atom. By using the VUVAS technique with the MHCLs and subtracting the background absorption from the absorption of H atoms at Lα, we have achieved the measurement of the H-atom concentration in an inductively coupled plasma operated in CH4 and/or H2. The H-atom concentration increased from 2×1011 to 3×1012 cm−3 when increasing the CH4 flow rate ratios from 0% to 50% in the CH4–H2 mixture and was almost constant in its range between 50% and 100% at a pressure of 1.33 Pa, a radio frequency power of 200 W, and a total flow rate of 100 sccm. The behavior of the H-atom concentration was compared with that of the Balmer α emission intensity. The decay of the H-atom concentration in the H2 plasma afterglow was investigated to clarify the loss kinetics of H atoms. The dependence of the decay time constant on the pressure showed that H atoms were dominantly lost through diffusion to the wall surface. The diffusion constant of H atoms in H2 plasmas was determined to be 3.0×105 cm2 Pa s−1 at 400 K. The surface loss probability of H atoms on the stainless-steel and the hydrocarbon walls were estimated to be 0.15 and 0.07, respectively. © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1410327
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  • 10
    Electronic Resource
    Electronic Resource
    Analysis of electric field distribution in GaAs metal–semiconductor field effect transistor with a field-modulating plate (2000)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 87 (2000), S. 3483-3487 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Electric field distribution in the channel of a field effect transistor (FET) with a field-modulating plate (FP) has been theoretically investigated using a two-dimensional ensemble Monte Carlo simulation. This analysis revealed that the introduction of FP is effective in canceling the influence of surface traps under forward bias conditions and in reducing the electric field intensity at the drain side of the gate edge under pinch-off bias conditions. This study also found that a partial overlap of the high-field region under the gate and that at the FP electrode is important for reducing the electric field intensity. The optimized metal–semiconductor FET with FP (FPFET) (LGF∼0.2 μm) exhibited a much lower peak electric field intensity than a conventional metal–semiconductor FET. Based on these numerically calculated results, we have proposed a design procedure to optimize the power FPFET structure with extremely high breakdown voltages while maintaining reasonable gain performance. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.372370
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