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A Review on Arranging Environmental Database in Asia and Applications of GIS in Geographical Studies
Iwasaki, Kazutaka 대한원격탐사학회 1996 International Symposium on Remote Sensing Vol.12 No.1
The objectives of this report is to review our works on arranging database of atmospheric environments of Asia and application of GIS in geographical analyses. Our group(Eguchi, T., Masuda, K., Matsumoto, J., Shinoda, M. and Kitajima, H.) arrange the daily rainfall database in Asia and Oceania. Eguchi(1988) showed the relationship between precipitation and upper cloudiness. Matsumoto(1992) discussed seasonal march and retreat of Asian Monsoon using this database. H. Kitajima(1993) constructed the snow database of Japan and clarified the features of snow depth distribution and its seasonal change in Japan. K. Iwasaki and Y. Hashimoto(1995) showed the case study of the application of GIS in the climatic analysis using this database.
녹지구성 인자로써 라벤더(Lavandula angustifolia cv.Hidcote)와 잔디(Zoysia japonica Steud.)의 치유적 효과
Iwasaki Yutaka,김유영,조태동 한국환경과학회 2012 한국환경과학회지 Vol.21 No.12
This study has been carried out to verify curative effect of lavender and lawn, a green space composition factor. Thus, the physiological index value of blood pressure, heart rate and salivary amylase were measured with object of 16 women in their 20~30s for stress relaxation effect at lavender garden and lawn square, and impression assessment upon SD method as for psychological value was performed in this study. And a survey was conducted on necessity and reason of urban green space with object of 345 men and women urban workers. As a result of variance analysis between groups and multi test of Turkey upon object place, the blood pressure was lowered the same at lavender garden and lawn square, and especially, high blood pressure was greatly lowered to 30 mmHG at lavender garden. On the other hand, low blood pressure group showed the tendency of a little increasing at the same places. And for the pulse, there was difference between high blood pressure group and normal group at the same places. To conclude, at lavender garden and lawn square the blood pressure was made to be lowered when it's high, and when it's low, the effect of returning to sound status, the function of increasing, was verified. In case of impression assessment upon SD method, the lawn square was assessed as resting place and lavender garden diversional place. And over 90% of urban workers responded to the green space's necessity and curative effect, diversion and resting place were adopted for the reason in high ranking items. As above the green space pattern that urban workers require and curative effect of lavender garden and lawn square were verified. Therefore, the functional green space plan is required, which curative effect, diversion and resting place are considered, for the future green space plan design.
Level 1 Trigger System for the Belle II Experiment
Iwasaki, Y.,ByungGu Cheon,Eunil Won,Xin Gao,Macchiarulo, L.,Nishimura, K.,Varner, G. IEEE 2011 IEEE transactions on nuclear science Vol.58 No.4
<P>The super-KEKB <I>B</I> factory, currently under construction at the KEK High Energy Accelerator Research Organization in Japan, has a goal of producing 50 ab<SUP>-1</SUP> of integrated luminosity, thus allowing the Belle II experiment to study rare decays of <I>B</I> mesons, <I>D</I> mesons, and τ leptons. Such large statistics on these decays provide an experimental probe of physics beyond the Standard Model. An online trigger system is indispensable to Belle II to reduce the number of beam background events associated with high electron and positron beam currents, as well as to enhance physics-oriented events. For this purpose, we have designed the Belle II online trigger system with two kinds of primary Level 1 trigger components: a track trigger and an energy trigger. The track trigger is composed of 2-dimensional and 3-dimensional tracking algorithms, and the energy trigger implements algorithms based on total energy, isolated clusters, and identification of Bhabha events. In addition, precise event trigger timing and muon tagging information are provided by the time-of-propagation detector and iron flux return muon detector, respectively.</P>
Iwasaki, Yoshie,Honda, Sumihisa,Kaneko, Shuji,Kurishima, Kazuhiro,Honda, Ayumi,Kakinuma, Ayumu,Jahng, Doosub Occupational Safety and Health Research Institute 2017 Safety and health at work Vol.8 No.1
Background: Physical activity (PA) is ranked as a leading health indicator and the workplace is a key setting to promote PA. The purpose of this study was to examine how goal-setting and exercise self-efficacy (SE) during a health promotion program influenced PA level among Japanese workers. Methods: Using a cross-sectional study design, we surveyed 281 employees. The short version of the International Physical Activity Questionnaire was used to assess PA level. Exercise SE was assessed using a partially modified version of Oka's exercise SE scale. Personal goals were assessed as the total numbers of "yes" responses to five items regarding "details of personal goals to perform PA". A mediational model was used to examine whether exercise SE mediates between the number of personal goals and PA level. Results: The mean age of the participants was 46.3 years, 76.2% were men, and the most common occupational category was software engineer (30.6%). The average PA level per week exceeded the recommended level in 127 participants (45.2%). One hundred and eighty-four participants (65.5%) set some form of concrete personal goal to perform PA. The relationship between the number of personal goals and PA level was mediated by exercise SE. Conclusion: Our study showed that exercise SE mediates goal-setting and increases PA. The results suggest that the components of PA promotion programs should be tailored to enhance participants' confidence in performing PA.
Iwasaki Tomohiro,Takeda Rie 한국물리학회 2021 Current Applied Physics Vol.25 No.-
Perovskite lanthanum strontium manganese oxide (LSMO, strontium-substituted lanthanum manganite) La0.7Sr0.3MnO3 nanoparticles were synthesized via the low-temperature calcination of the precursor, which was prepared using a mechanochemical route. A powder mixture of lanthanum chloride, strontium chloride, manganese chloride and sodium carbonate was high-energy milled by a planetary ball mill under semiwet (moist) conditions to obtain the precursor. To study the mechanochemical effects on the formation of LSMO, a thermogravimetric (TG) analysis was conducted for the precursors prepared under various conditions; the precursors and the intermediates formed during calcination were identified by X-ray diffraction (XRD). The calcination of the milled precursor at 600 ◦C resulted in the formation of LSMO nanoparticles with good induction heating properties. The LSMO/hydroxyapatite composites exhibited rapid temperature increases in an AC magnetic field. The obtained results demonstrate that the LSMO nanoparticles and LSMO/hydroxyapatite composites are promising candidates for magnetic hyperthermia treatments.
Preparation of BaTiO<sub>3</sub> Thick Film by an Interfacial Polymerization Method
Iwasaki, Mitsunobu,Park, Won-Kyu Materials Research Society of Korea 2007 한국재료학회지 Vol.17 No.10
[ $BaTiO_3$ ] thick film by an interfacial polymerization method was prepared at the liquid/liquid interface between benzyl alcohol saturated solution with the basic catalyst [diethyl amine ($NHEt_2$) or triethylamine ($NEt_3$)], and the water dissolved with $TiO_2$ and $Ba(CH_3COO)_2$. The film thickness increased gradually with an increase in diethyl amine($NHEt_2$) or triethylamine($NEt_3$) volume and the reaction time. The homogeneity of $BaTiO_3$ thick film after sintered at $600^{\circ}C$ was confirmed by EPMA analysis, which showed that both of Ba and Ti element were homogeneously distributed on the surface as well as in the perpendicular direction of the film. The thickness of $BaTiO_3$ film obtained by this process was $8.75\;{\mu}m$.
Improved measurement of the electroweak penguin processB→Xsℓ+ℓ−
Iwasaki, M.,Itoh, K.,Aihara, H.,Abe, K.,Abe, K.,Adachi, I.,Asano, Y.,Aushev, T.,Bahinipati, S.,Bakich, A. M.,Banerjee, S.,Bedny, I.,Bitenc, U.,Bizjak, I.,Blyth, S.,Bondar, A.,Bozek, A.,Brač,ko, M American Physical Society 2005 PHYSICAL REVIEW D - Vol.72 No.9