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Study of the separation method of structural isomer using Magneto-Archimedes method
Mori, T.,Kobayashi, T.,Mishima, F.,Akiyama, Y.,Nishijima, Shigehiro The Korea Institute of Applied Superconductivity a 2016 한국초전도저온공학회논문지 Vol.18 No.1
Organic compounds have a problem that the separation of structural isomer in the preparation process requires high energy consumption. This study proposes a new separation method of structural isomer using Magneto- Archimedes method. Firstly, the levitation height of 1, 6-DDA and 1, 10-DDA was respectively calculated by simulation of the forces acting on the particles under magnetic field, and it was indicated that they could be separated by the difference of levitation height. To confirm the phenomenon experimentally, white powders of 1, 6-DDA and 1, 10-DDA were formed into pellets, and were soaked in manganese chloride solution. Then the solution was put on the center of the cryostat of HTS bulk magnet (maximum magnetic flux density is 3T). As a result, it was confirmed that the separation of structural isomer by difference of levitation height could be possible.
Mori, K.,Yang, C.Y. Pergamon Press 2017 Tetrahedron Vol.73 No.32
Four pyrazines were synthesized as sex specific volatiles of female Korean apricot wasp, Eurytoma maslovskii. They are 2,5-dimethyl-3-vinylpyrazine (1), 2,5-dimethyl-3-(2-methylpropyl)pyrazine (2), 2,5-dimethyl-3-(2-methylbutyl)pyrazine (3), and 2,5-dimethyl-3-(3-methylbutylpyrazine (4). They were synthesized in 74-85% yields by Pd- or Fe-catalyzed cross-coupling reactions between 3-chloro-2,5-dimethylpyrazine and CH<SUB>2</SUB>=CHBF<SUB>3</SUB>K or RMgBr. The present synthesis of 1 is the most reliable and scalable one to date.
Mori, F.,Sawada, K.,Watanabe, K.,Ducusin, R.J.T.,Kumase, N.,Tanabe, S.,Uzuka, Y.,Takahashi, J.,Sarashina, T. Asian Australasian Association of Animal Productio 2001 Animal Bioscience Vol.14 No.1
In order to investigate the relationship between the incidence of displaced abomasum and feeding, the actual feeding practices and chemical compositions of roughage were examined in 2 kinds of farms at Tokachi district in Hokkaido. Examination of animal health records revealed that the annual milk yield per cow in high incidence (H-DA) farms was significantly higher than that in low incidence (L-DA) farms. The amount of concentrates fed in H-DA farms tended to be higher than that in L-DA farms during lactation. Compared to L-DA farms, the amount of juicy roughage (corn silage and grass silage) and dry roughage (hay, hay cube and roll wrap silage) during lactation in H-DA farms tended to be higher and lower, respectively. Moreover, the amount of roughage and the ratio of roughage to concentrates in H-DA farms tended to be lower than in L-DA farms. The survey indicated that displaced abomasum was associated with insufficient feeding of dietary fiber and overfeeding of concentrates.
PROPERTIES OF DUST IN EARLY-TYPE GALAXIES BASED ON THE ALL-SKY-SURVEY DATA AND NEAR-INFRARED SPECTRA
Mori, T.,Oyabu, S.,Kaneda, H.,Ishihara, D.,Yamagishi, M. The Korean Astronomical Society 2012 天文學論叢 Vol.27 No.4
We present the properties of dust and the near-infrared spectral features in nearby early-type galaxies. The properties of dust are obtained from the AKARI far-infrared all-sky survey diffuse map. The AKARI/IRC is used for the near-infrared spectra. We improve spectral data with the new dark subtraction method on the basis of the knowledge acquired in our laboratory experiments of the engineering-model detector for the IRC. We have succeeded in fitting the continuum by a power-law function and detecting CO and SiO absorption features in early-type galaxy spectra. Comparing the properties of dust and near-infrared spectral features, we find that the power-law slope depends on dust temperature, but not on the dust mass, which suggests that low-luminosity AGNs may contribute to the changes in the power-law slope and dust temperature.
Behaviour of laminated elastomeric bearings
Mori, A.,Moss, P.J.,Carr, A.J.,Cooke, N. Techno-Press 1997 Structural Engineering and Mechanics, An Int'l Jou Vol.5 No.4
Experimental work undertaken to investigate the behaviour of laminated elastomeric bridge bearings under compression and a combination of compression and shear or rotation has been reported on elsewhere. However, it is difficult to determine the state of stress within the bearings in terms of the applied forces or the interaction between the steel shims and the rubber layers in the bearings. In order to supply some of the missing information about the stress-strain state within the bearings, an analytical study using the finite element method was carried out. The available experimental results were used to validate the model after which the analyses were used to provide further information about the state of stress within the bearing.
Mori, M.,Kimora, K.,Yamamuro, H. Asian Australasian Association of Animal Productio 1988 Animal Bioscience Vol.1 No.3
In order to investigate the mechanism of regulation of progesterone production, quail were hypophysectomized at various times during the ovulation cycle, and granulose cells were isolated from follicles 4 hr after the operation. They were incubated in vitro at $40^{\circ}C$ with or without LH or dibutyryl cyclic AMP, and the amounts of progesterone produced during 3 hr of incubation were measured by radioimmunoassay. Hypophysectomy at 8 hr or 20 hr before the predicted time of ovulation caused a reduced responsiveness of F1 granulosa cells to exogenous LH or dibutyrul cyclic AMP. Although hypophysectomy at 24 hr before ovulation caused a slight reduction of responsiveness of F1 granulosa cells, the reduction of the progesterone production during the incubation without any stimuli was prominent by the sham operation. These results suggest that the presence of pituitary gland influences the ability of the granulose cells to produce progesterone in response to LH or dibutyryl cyclic AMP.