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Understand the business realities, development of interview techniques to visualize the job problems
AYAKO Yajima 대한인간공학회 2010 대한인간공학회 학술대회논문집 Vol.2010 No.5
We develop the ethno-cognitive interview which is the interview method to grasp the business reality, and it was tried whether it was applicable in visualization in a gap and an analysis of consciousness of customer satisfaction. We interviewed per 1 person for 1.5 hours to customer which thought law customer satisfaction to us and to our SE,business worker.As a result, a CS gap was classified into 3 of territory.(1) There is a clear difference in the value of the customer and us, and you point the sweetness of our recognition out to a customer, (2) The customer and we recognize dissatisfied, but the recognition isn't being handed down to a customer,(3) There are no differences in recognition, but both are unsatisfactory.We found out that there is a root in a CS gap in difference between mutual organization and recognition of a system.
Influence of Cognitive and Functional Impairment on Depression among Institutional Older Residents
Yuki Yajima,Masafumi Kirino,Seu Mi Kim,Setsuko Okada,Yong Taek Kim,Kazuo Nakajima 한국노인복지학회 2002 International Journal of Welfare for the Aged Vol.7 No.-
The purpose of the study was to examine the relationships between cognitive and functional impairment and depression in terms of Lazarus and Folkmans theoretical perspective. We analyzed the responses of 208 older adults residing in the special elderly nursing homes and/or the health care facilities for the elderly. The results of our statistical analyses was as follows: (1) The exploratory factor analyses for two stress-appraisal scales of cognitive and functional impairment provided one-factor solution, respectively. The confirmatory factor analyses indicated the each one-factor measurement model yielded adequate indices of fit. It is evidence for their construct validity and unidimensionality. (2) Our path analytic model using structural equation modeling demonstrated that indirect effects of the cognitive and functional impairment on the depression through an increase in the stress-appraisals of their impairment. Significant direct effects of both cognitive and functional impairment on the depression were not found. These results indicate that stress-appraisals of cognitive and functional impairment play an important role in mediating the relationship between cognitive and functional impairment as a stressor, and depression as a stress response. Therefore, it is necessary to concern stress-appraisals of cognitive and functional impairment in designing and establishing an effective mental health care system for institutional older residents.
Cacao bean husk: an applicable bedding material in dairy free-stall barns
Akira Yajima,Hisashi Owada,Suguru Kobayashi,Natsumi Komatsu,Kazuaki Takehara,Maria Ito,Kazuhide Matsuda,Kan Sato,Hisao Itabashi,Satoshi Sugimura,Shuhei Kanda 아세아·태평양축산학회 2017 Animal Bioscience Vol.30 No.7
Objective: The objectives of the study were to assess the effect of cacao bean husk as bedding material in free-stall barn on the behavior, productivity, and udder health of dairy cattle, and on the ammonia concentrations in the barn. Methods: Four different stall surfaces (no bedding, cacao bean husk, sawdust, and chopped wheat straw) were each continuously tested for a period of 1 week to determine their effects on nine lactating Holstein cows housed in the free-stall barn with rubber matting. The lying time and the milk yield were measured between d 4 and d 7. Blood samples for plasma cortisol concentration and teat swabs for bacterial counts were obtained prior to morning milking on d 7. The time-averaged gas-phase ammonia concentrations in the barn were measured between d 2 and d 7. Results: The cows spent approximately 2 h more per day lying in the stalls when bedding was available than without bedding. The milk yield increased in the experimental periods when cows had access to bedding materials as compared to the period without bedding. The lying time was positively correlated with the milk yield. Bacterial counts on the teat ends recorded for cows housed on cacao bean husk were significantly lower than those recorded for cows housed without bedding. Ammonia concentration under cacao bean husk bedding decreased by 6%, 15%, and 21% as compared to no bedding, sawdust, and chopped wheat straw, respectively. The cortisol concentration was lowest in the period when cacao bean husk bedding was used. We observed a positive correlation between the ammonia concentrations in the barn and the plasma cortisol concentrations. Conclusion: Cacao bean husk is a potential alternative of conventional bedding material, such as sawdust or chopped wheat straw, with beneficial effects on udder health and ammonia concentrations in the barns.
Radiation Characteristics of Phased Array Antennas with Reduced True Time Delay Devices
Hasegawa, Takumi,Yajima, Masanobu 통신위성우주산업연구회 2004 Joint Conference on Satellite Communications Vol.2004 No.-
Phased array antennas (PAAs) have combinations of 360-degree phase shifters and true delay (TTD) devices for the purpose of beam forming. The number of TTD devices is desirable to be reduced because PAA systems require miniaturization, lightness, and ease of control. The most obvious way to reduce the number of TTD devices is to group elements of the array into subarrays and to insert a TTD device into each subarray. However, if the number of TTD devices is reduced sharply when the PAA transmits or receives a wideband signal, the direction of the mainbeam at the off-center frequency shifts away from the target direction, because the wavefront of each subarrary differs from a perfect wavefront at the center frequency. Gain variation, which depends on frequency in the target direction, occurs as a result of the beam shift. In this report, the results of the numerical analysis about the changes of electrical characteristics while reducing the number of TTD devices are shown. Since there is no noticeable degradation of characteristics, we conclude that the number of TTD devices can be reduced to about four.