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Search Results: 1 - 10 of 210 matches for " Miyuki Komachi "
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Acute Stress Symptoms in Families of Patients Admitted to the Intensive Care Unit during the First 24 Hours Following Admission in Japan  [PDF]
Miyuki Komachi, Kiyoko Kamibeppu
Open Journal of Nursing (OJN) , 2015, DOI: 10.4236/ojn.2015.54035
Abstract: Families of patients in the intensive care unit often experience sever stress. Understanding their experience is important for providing family-centered care during this difficult period. Little is known about the experience of families of patients admitted to the intensive care unit (ICU). To evaluate the prevalence and factors associated with acute stress symptoms among families of patients admitted to the ICU, we carried out a cross-sectional study at a teaching and advanced treatment hospital. The mean total Impact of Event Scale-Revised (IES-R) score differed significantly between planned and unplanned ICU admissions (t = 4.03, p < 0.05), indicating a main effect of admission type (F = 18.5, p < 0.05). There was no significant main effect of relationship (F = 0.05, p = 0.82) or interaction effect of admission type and relationship (F = 0.54, p = 0.47). Multiple regression analysis indicated that admission type was significantly associated with acute stress symptoms (B = 18.09, β = 0.47, p < 0.01), and explained 22% of the variance in total IES-R score. Whether a patient had a planned or unplanned admission to the ICU influenced symptoms associated with acute stress symptoms of family members more than did getting support from nurses, being the patient’s spouse, or the severity of illness of the patient.
The Impact of Liberalization on the Production of Electricity in Japan: Stochastic Frontier Analysis  [PDF]
Miyuki Taniguchi
Open Journal of Applied Sciences (OJAppS) , 2014, DOI: 10.4236/ojapps.2014.44016
Abstract: This study aims to measure the impact of liberalization on the efficiency of electricity production in Japan using Stochastic Frontier Analysis (SFA). In addition, this study also aims to examine whether or not economies of scale exist in the electricity generation sector and the transmission sector, and whether or not economies of scope exist between electricity generation and transmission. Since 1995, liberalization of the electricity market in Japan has been phased in and regulations on entry have been relaxed three times. One motivation for these regularity changes has been to improve the efficiency of electricity production by introducing competition. Using a panel data set on the nine main power companies in Japan over the period 1970-2010, estimates of fixed-effects and stochastic frontier models of the cost function are obtained and compared. Estimates of the cost function show that liberalization has improved cost efficiency when both frontier models and non-frontier models are estimated. Estimates of the fixed-effects model are used to calculate economies of scale and economies scope because the data support the fixed-effects model. Economies of scope are found to exist for all nine power companies, while overall economies of scope declined in the 1970s and have improved little by little since the 1980s.
Alternative to Higgs and Unification
Miyuki Nishikawa
Physics , 2002,
Abstract: In this paper, we discuss the self-consistency condition for the spherical symmetric Klein-Gordon equation, and then discuss a natural possibility that gravity and weak coupling constants g_G and g_W may be defined after g_{EM}. In this point of view, gravity and the weak force are subsidiary derived from electricity. Particularly, SU(2)_L * U(1) unification is derived without assuming a phase transition. A possible origin of the Higgs mechanism is proposed. Each particle pair of the standard model is associated with the corresponding asymptotic expansion of an eigen function.
Renormalization and Essential Singularity
Miyuki Nishikawa
Physics , 2001, DOI: 10.1142/S0217732303011885
Abstract: In usual dimensional counting, momentum has dimension one. But a function f(x), when differentiated n times, does not always behave like one with its power smaller by n. This inevitable uncertainty may be essential in general theory of renormalization, including quantum gravity. As an example, we classify possible singularities of a potential for the Schr\"{o}dinger equation, assuming that the potential V has at least one $C^2$ class eigen function. The result crucially depends on the analytic property of the eigen function near its 0 point.
Quantum Gravity with Minimal Assumptions
Miyuki Nishikawa
Physics , 2002,
Abstract: The purpose is to construct the quantum field theory including gravity, based on physical assumptions as few as possible. Up to now, the work by Prof. Steven Weinberg probably suits this purpose the most. Though the purpose is difficult to reach, my recent preprint was interested in an exceptional case caused by singularity. Therefore, I'd like to explain the motivations and possible applications of the preprint.
Reed Nevus (Pigmented Spindle Cell Nevus) in an 11-Month-Old Japanese Infant  [PDF]
Miyuki Fujita, Naoki Oiso, Akira Kawada
Journal of Cosmetics, Dermatological Sciences and Applications (JCDSA) , 2012, DOI: 10.4236/jcdsa.2012.24045
Abstract: Reed nevus (pigmented spindle cell nevus) is a nevus with the histopathological features of abundant melanin, monomorphic spindle-epithelioid melanocytes, spindle cell nests confined within the epidermis and papillary dermis, and occasional upward interepidermal progression of melanocytes. Here, we reported an unusual case of Reed nevus in an 11-month-old Japanese male infant. Infantile Reed nevus should be included as a differential diagnosis for nevus pigmentosus in infancy.
Remote-Plasma-Assisted Deposition of Pentacene Layer Using Atomic-Hydrogen  [PDF]
Satoshi Yamauchi, Takatoshi Minakuchi, Miyuki Onodera
Journal of Crystallization Process and Technology (JCPT) , 2014, DOI: 10.4236/jcpt.2014.41002

Pentacene thin layers were deposited on Si with the native oxide at 80°C by remote-plasma-assisted deposition (RPAD) using hydrogen-plasma cell to supply atomic hydrogen radicals. The deposition rate was increased by RPAD comparing to that by non-excited hydrogen gas supply whereas thermal evaporation rate of pentacene from crucible was same in the both process. DFM and XRD studies showed the grain laterally grew in the thin film phase with the size above 10 μm by RPAD. First-principles molecular orbital calculations suggested pentacene is evaporated from crucible as the trimer or larger cluster but atomic hydrogen penetrated into the cluster enhances cracking of pentacene clusters to the monomer.

Rapid Detection Method for Enteroaggregative Escherichia coli Using Simple Clump Formation and Aggregative Assay  [PDF]
Miyuki Fujioka, Chowdhury Rafiqul Ahsan, Yoshimitsu Otomo
Advances in Microbiology (AiM) , 2013, DOI: 10.4236/aim.2013.38074

Enteroaggregative Escherichia coli (EAggEC) strains cause the persistent diarrhea in infants and compromised hosts in developing countries. These strains are currently defined as E. coli that adheres to HEp-2 cells in an aggregative adherence (AA) pattern. In this study, we compared 4 different rapid methods for the detection of EAggEC using a PCR assay, clump formation test, glass slide adherence assay, and the HEp-2 cell adherence assay. Out of 683 E. coli strains isolated from diarrheal stool samples, we detected 17 aggR and/or clump-positive strains, and identified 2 aggR-positive, clump-negative strains and 2 aggR-negative, clump-positive strains. All the aggR positive and clump positive strains also showed positive results in glass slide adherence and HEp-2 cell adherence assays. From all these results, we suggest the following procedure for the rapid identification of EAggEC strains: first, screen E. coli strains with the clump formation test and subsequently perform the glass slide adherence assay to observe AA for confirmation.

Development of Aromatic Image Map and Evaluation of Aromatic Oil Based on Brain Wave  [PDF]
Toshiya Arakawa, Miyuki Kobayashi, Noriyoshi Matsuo
Journal of Biosciences and Medicines (JBM) , 2015, DOI: 10.4236/jbm.2015.35005
Abstract: The effect of fragrances on drivers has been examined, in order to optimize driver’s condition during driving. A map that can clearly show the positioning of various fragrances is created as an initial step of this research and development. Sensory evaluation data of 12 kinds of fragrance samples, which are tested on 64 subjects, are used for the creation of this map. The “Aromatic Image Map” can be used to confirm the distribution of the characteristics and the subjects’ preferences for each fragrance. Furthermore, the validity of the “Aromatic Image Map” is inspected experimentally, based on the difference in recovery from stress among the fragrances. Six subjects participate in the experiment, and the four kinds of fragrances that stand at the specific positions on the “Aromatic Image Map” are used. As a result, this enables us to inspect the validity of the position of each fragrance on “Aromatic Image Map”.
Traditional Knowledge as a Tool for Discussing History and Philosophy of Science in Teacher Education  [PDF]
Wilmo Ernesto Francisco Junior, Miyuki Yamashita
Creative Education (CE) , 2018, DOI: 10.4236/ce.2018.94040
Abstract: Increasingly, issues with to multiculturalism have crossed into science classrooms. In this way, traditional knowledge has been pointed out as a pathway towards placing value on the culture of distinct social groups and thus addressing sociocultural dimensions of science. Taking this into account, this study proposed an approach for inserting historical, philosophical and sociocultural themes from traditional knowledge. This proposal was developed among chemistry students and it was characterized as a small research project. The students needed to identify traditional knowledge relating to chemistry in their community and to gather data on it. The students’ reports showed characteristics of scientific literacy, specially related to sociocultural dimension of the science.
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