Ando, Masaki, Kawamura, Seiji, Sato, Shuichi, Nakamura, Takashi, Tsubono, Kimio, Araya, Akito, ...
DECIGO pathfinder (DPF) is a milestone satellite mission for DECIGO (DECi-hertz Interferometer Gravitational wave Observatory), which is a future space gravitational wave antenna. DECIGO is expected...
Gauge-invariant treatments of the second-order cosmological perturbation in a four dimensional homogeneous isotropic universe are formulated without any gauge fixing. We have derived the Einstein...
In addition to the second-order Einstein equations on four-dimensional homogeneous isotropic background universe filled with the single perfect fluid, we also derived the second-order perturbations...
Consistency of Equations in the Second-order Gauge-invariant Cosmological Perturbation Theory (2008)
Along the general framework of the gauge-invariant perturbation theory developed in the papers [K. Nakamura, Prog. Theor. Phys. {\bf 110} (2003), 723; {\it ibid}, {\bf 113} (2005), 481.], we...
Ando, Masaki, Kawamura, Seiji, Nakamura, Takashi, Tsubono, Kimio, Tanaka, Takahiro, Funaki, Ikkoh, ...
DECIGO pathfinder (DPF) is a milestone satellite mission for DECIGO (DECi-hertz Interferometer Gravitational wave Observatory) which is a future space gravitational wave antenna. DECIGO is expected...
The Japanese space gravitational wave antenna; DECIGO (2008)
Kawamura, Seiji, Ando, Masaki, Nakamura, Takashi, Tsubono, Kimio, Tanaka, Takahiro, Funaki, Ikkoh, ...
DECi-hertz Interferometer Gravitational wave Observatory (DECIGO) is the future Japanese space gravitational wave antenna. DECIGO is expected to open a new window of observation for gravitational...
Some formulae for the perturbations of the matter fields are summarized within the framework of the second-order gauge-invariant cosmological perturbation theory in a four dimensional homogeneous...
As in the case of the other gauge field theories, there is so called ``gauge'' also in general relativity. This ``gauge'' is unphysical degree of freedom. There are two kinds of ``gauges'' in general...
Short note on second-order gauge-invariant cosmological perturbation theory (2006)
The second order perturbations in Friedmann-Robertson-Walker universe filled with a perfect fluid are completely formulated in the gauge invariant manner without any gauge fixing. All components of...
Gauge-invariant Formulation of the Second-order Cosmological Perturbations (2006)
Gauge invariant treatments of the second order cosmological perturbation in a four dimensional homogeneous isotropic universe filled with the perfect fluid are completely formulated without any gauge...
Along the general framework of the gauge invariant perturbation theory developed in the papers [K. Nakamura, Prog. Theor. Phys. {\bf 110} (2003), 723; {\it ibid}, {\bf 113} (2005), 481.], we...
Based on the gauge invariant variables proposed in our previous paper [K. Nakamura, Prog. Theor. Phys. vol.110 (2003), 723.], some formulae of the perturbative curvatures of each order are derived....
Continuous Limit of Multiple Lens Effect and the Optical Scalar Equation (2004)
Yoshida, Hiroshi, Nakamura, Kouji, Omote, Minoru
We study the continuous limit of the multiple gravitational lensing theory based on the thin lens approximation. Under the approximation, we define a new, light-path dependent angular diameter...
Stochastic Gravitational Wave Background in Brane World Cosmology (2004)
Ichiki, Kiyotomo, Nakamura, Kouji
We investigate the cosmological evolution of gravitational waves in Friedman-Robertson-Walker brane world models embedded in a five dimensional anti de-Sitter spacetime. To predict the spectrum of...
General framework of higher order gauge invariant perturbation theory (2004)
Based on the gauge invariant variables proposed in [K. Nakamura, Prog. Theor. Phys. vol.110 (2003), 723.], general framework of the second order gauge invariant perturbation theory on arbitrary...
Causal Structure and Gravitational Waves in Brane World Cosmology (2003)
Ichiki, Kiyotomo, Nakamura, Kouji
The causal structure of the flat brane universe of RSII type is re-investigated to clarify the boundary conditions for stochastic gravitational waves. In terms of the Gaussian normal coordinate of...
Continuous Limit of Multiple Gravitational Lens Effect and Average Magnification Factor (2003)
Yoshida, Hiroshi, Nakamura, Kouji, Omote, Minoru
We show that the gravitational magnification factor averaged over all configurations of lenses in a locally inhomogeneous universe satisfy a second order differential equation with redshift $z$ by...
Gauge Invariant Variables in Two-Parameter Nonlinear Perturbations (2003)
The procedure to find gauge invariant variables for two-parameter nonlinear perturbations in general relativity is considered. For each order metric perturbation, we define the variable which is...
Hoop Conjecture and Black Holes on a Brane (2003)
Nakamura, Kouji, Nakao, Ken-ichi, Mishima, Takeshi
The initial data of gravity for a cylindrical matter distribution confined to a brane are studied in the framework of the single-brane Randall-Sundrum scenario. In this scenario, the 5-dimensional...
Comparison of the oscillatory behaviors of a gravitating Nambu-Goto string with a test string (2003)
Comparison of the oscillatory behavior of a gravitating infinite Nambu-Goto string and a test string is investigated using the general relativistic gauge invariant perturbation technique with two...
Gravitational field of a cylindrical Nambu-Goto wall in the vacuum spacetime is considered in order to clarify the interaction between Nambu-Goto membranes and gravitational waves. If one neglects...
Solution Structure of a SRP19 Binding Domain in Human SRP RNA (2002)
Sakamoto, Taiichi, Morita, Satoshi, Tabata, Kazutoshi, Nakamura, Kouji, Kawai, Gota
Assembly of the human signal recognition particle (SRP) requires SRP19 protein to bind to helices 6 and 8 of SRP RNA. In the present study, structure of a 29-mer RNA composing the SRP19 binding site...
Hoop Conjecture and Cosmic Censorship in the Brane-World (2001)
Nakao, Ken-ichi, Nakamura, Kouji, Mishima, Takashi
The initial data of gravity for a cylindrical matter distribution confined on the brane is studied in the framework of the single brane Randall-Sundrum scenario. In this scenario, 5-dimensional...
Initial condition of a thick loop cosmic string and linear perturbations (2001)
The initial data of the gravitational field produced by a loop thick string is considered. We show that a thick loop is not a geodesic on the initial hypersurface, while a loop conical singularity...
Nakamura, Kouji, Ishihara, Hideki
The perturbative modes propagating along an infinite string are investigated within the framework of the gauge invariant perturbation formalism on a spacetime containing a self-gravitating straight...
Nakamura, Kouji, Ishibashi, Akihiro, Ishihara, Hideki
We study the perturbative dynamics of an infinite gravitating Nambu-Goto string within the general-relativistic perturbation framework. We develop the gauge invariant metric perturbation on a...
Bunai, Keigo, Yamada, Kouhei, Hayashi, Kenji, Nakamura, Kouji, Yamane, Kunio
The precursors of β-lactamase fusion proteins having the signal peptide of Bacillus subtilis alkaline protease (pAprE-BlaH6) or penicillin binding protein 5* (pPBP5*-BlaH6) accumulated in B....
The functional analysis of 4.5S RNA in ribosomal translocation (1999)
Ishibashi, Masaya, Nakamura, Kouji, Yamane, Kunio
4.5S RNA is a stable 114-nucleotide RNA of the bacterium Escherichia coli (E.coli). We found that 4.5S RNA have the ability of binding EF-G using gel mobility shift assay. Increasing in the...
Relativistic Zel'dovich approximation in spherically symmetric model (1997)
Morita, Masaaki, Nakamura, Kouji, Kasai, Masumi
We compare relativistic approximation methods, which describe gravitational instability in the expanding universe, in a spherically symmetric model. Linear perturbation theory, second-order...
Oguro, Akihiro, Kakeshita, Hiroshi, Honda, Kiyofumi, Takamatsu, Hiromu, Nakamura, Kouji, Yamane, Kunio
We cloned a Bacillus subtilis gene (srb) encoding a homologue of the mammalian signal recognition particle receptor α-subunit (SRα). The gene is 987 bp in length and encodes a 329-amino acid...
Damping of beams by particulate media packets / (1994)
Thesis (M.S.)--Washington University, 1994. Dept. of Mechanical Engineering.
Takamatsu, Hiromu, Nakane, Akitaka, Oguro, Akihiro, Sadaie, Yoshito, Nakamura, Kouji, Yamane, Kunio
Although wild-type Bacillus subtilis SecA barely complements the growth and protein translocation defect of Escherichia coli secA51(ts) at the non-permissive temperature, an N-terminal peptide of B....
Itoh, Yoshiki, Sumi, Masahiro, Nakamura, Kouji, Yamane, Kunio
To analyze the processing of extracellular enzymes of Bacillus subtilis, an NH2-terminally extended hybrid α-amylase [pTUBE638-α-amylase (E24)] was purified from the periplasm of E. coli(pTUBE638)...
Nakamura, Kouji, Itoh, Yoshiki, Yamane, Kunio
Prediction of the secondary structure, a sequence of 33 amino acids, for the Bacillus subtilis a-amylase signal peptide suggested the presence of a β-turn structure in it. Through substitution of...
OHMURA, Kazutaka, SHIROZA, Teruaki, NAKAMURA, Kouji, NAKAYAMA, Akira, YAMANE, Kunio, YODA, Koji, ...
A secretion vector system in Bacillus subtilis was constructed from the α-amylase promoter and signal sequence coding region of an α-amylase hyperproducing strain, B. subtilis NA64, and the major...
Kumano, Miyuki, Fujita, Masaya, Nakamura, Kouji, Murata, Makiko, Ohki, Reiko, Yamane, Kunio
We isolated 19 lincomycin-resistant Bacillus subtilis mutants by expressing lmrB encoding a putative multidrug efflux protein. Eighteen of the mutants altered at two regions (−3 to −1 and +15)...
Kumano, Miyuki, Fujita, Masaya, Nakamura, Kouji, Murata, Makiko, Ohki, Reiko, Yamane, Kunio
We isolated 19 lincomycin-resistant Bacillus subtilis mutants by expressing lmrB encoding a putative multidrug efflux protein. Eighteen of the mutants altered at two regions (−3 to −1 and +15)...
ニホンナシ"幸水", "新水"の新梢伸長並びに花芽形成に及ぼすPaclobutrazol処理の影響
野間, 豊, ノマ, ユタカ, Noma, Yutaka, NOMA, Yutaka, 小原, 均, オハラ, ヒトシ, ...
植物生長調整物質であるPaclobutrazol(pp333)[(2RS, 3RS)-1-(4-chlorophenyl)-4, 4-dimetyl-2(1H-1, 2, 4-triazol-1-yl)pentan-3-01]を用いてニホンナシ"幸水", "新水"の新梢伸長,...
ニホンナシ"幸水", "新水"の新梢伸長並びに花芽形成に及ぼすPaclobutrazol処理の影響
小原, 均, 加藤, 勝, 村田, 義宏, 中村, 宏二, オハラ, ヒトシ, Ohara, Hitoshi, ...
植物生長調整物質であるPaclobutrazol(pp333)[(2RS, 3RS)-1-(4-chlorophenyl)-4, 4-dimetyl-2(1H-1, 2, 4-triazol-1-yl)pentan-3-01]を用いてニホンナシ"幸水", "新水"の新梢伸長,...
ニホンナシ"幸水", "新水"の新梢伸長並びに花芽形成に及ぼすPaclobutrazol処理の影響
野間, 豊, ノマ, ユタカ, Noma, Yutaka, NOMA, Yutaka, 小原, 均, オハラ, ヒトシ, ...
植物生長調整物質であるPaclobutrazol(pp333)[(2RS, 3RS)-1-(4-chlorophenyl)-4, 4-dimetyl-2(1H-1, 2, 4-triazol-1-yl)pentan-3-01]を用いてニホンナシ"幸水", "新水"の新梢伸長,...
家畜糞堆肥の施用が黒ボク水田土壌からのメタンおよび亜酸化窒素フラックスに及ぼす影響
犬伏, 和之, イヌブシ, カズユキ, Inubushi, Kazuyuki, 柴崎, 直美, シバサキ, ナオミ, Shibasaki, Naomi, ...
3種類の家畜糞堆肥を柏農場多湿黒ボク水田に施用するとメタン発生量は化学肥料区よりも多いことが明らかになった.ただし家畜糞堆肥の種類によっ...
家畜糞堆肥の施用が黒ボク水田土壌からのメタンおよび亜酸化窒素フラックスに及ぼす影響
犬伏, 和之, イヌブシ, カズユキ, Inubushi, Kazuyuki, 柴崎, 直美, シバサキ, ナオミ, Shibasaki, Naomi, ...
3種類の家畜糞堆肥を柏農場多湿黒ボク水田に施用するとメタン発生量は化学肥料区よりも多いことが明らかになった.ただし家畜糞堆肥の種類によっ...