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A novel hub integrated brake disc is developed aiming reduction of its manufacturing cost and weight. This hub integrated disc is made of two different ferrous casting material of gray iron and ductile iron by specific dualcasting process and pattern design. As the friction part of the disc is closely related to performance and NVH in braking, it is normally made of gray iron. In the other hand, the hub integrated hat part is closely related to braking torque and the toughness. it is normally made of ductile iron. Specific time duration is required when pouring ductile iron after gray iron melt is poured into the mold to form stable interface between gray iron and ductile iron parts. In the green sand mold, two inlets are embodied to take two different types of casting melts into the mold. More accurate casting interface can be achieved by imparting melt reservoir(overflow) in the pattern design which is used for taking gray iron melt overflowing over the level of casting interface. Hub integrated brake discs had fulfilled mechanical strength test of the interface, brake torque test, and metallurgical analysis was done with the samples taken from the discs. As a result, this paper suggests novel concept of hub integrated brake disc manufactured by dualcasting process, and which is suitable for cost effective light weight brake system.
This is a study on space planning of dental clinic by case analysis of 30 dental clinics that were cons tructed or designed in metropolitan area in recent years, It is analyzed as the following, required basic or additional rooms according to size divisions of gross floor area, relationship of treatment chair number and floor area, ratio of gross floor area and waiting zone, medical treatment zone, supporting zone, management zone, and zoning planning, space types of medical treatment zone, etc. This study can be used as basic data for planning of dental clinic and related future researches.
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English dialects show a variety of variation with regard to post-vocalic /r/. This paper gives a description of diverse realizations of English post-vocalic /r/ across dialects. In addition, this paper offers a more straightforward account of the English dialect variation on post-vocalic /r/. This account is couched within the framework of Optimality Theory (Prince and Smolensky 1993) by falling back on a lexicon-dependent approach (Lee 2004). The account proposed here adopts the view that the underlying representation of post-vocalic /r/ is dialect-sensitive, not dialect-neutrally homogenous. This view on underlying representation is different from the widely-held panlectal view that English has the same underlying representation regardless of dialect difference.
본 연구는 모바일 배너 광고의 메시지 표현 유형과 수사적 표현이 광고 태도, 브랜드 태도, 구매 의도에 미치는 효과에 관하여 조사하였다. 연구 결과를 살펴보면 첫째, 모바일배너 광고 표현 유형은 광고 태도, 브랜드 태도, 구매 의도에 유의미한 영향을 미치지 않는 것으로 나타났다. 둘째, 모바일 배너 광고 표현 방식은 광고 태도, 브랜드 태도, 구매의도에 유의미한 영향을 미치지 않았다. 셋째, 모바일 배너 광고의 표현 방식과 표현 유형에 따른 상호작용은 광고 태도, 브랜드 태도, 구매 의도에 유의미한 영향을 미치는 것으로 나타났다. 가설에서 예상한 대로 이미지 위주의 모바일 배너 광고에서는 수사적 표현 방식을 활용한 광고가 더 효과적으로 나타났으며, 반대로 텍스트 위주의 모바일 배너 광고에서는 명시적 표현 방식을 활용한 광고가 광고 태도, 브랜드 태도, 구매 의도에서 더 높은 효과를 보여 주었다. The purpose of the study is to investigate whether the types of message (image vs. text) and rhetorical expression(explicit vs. implicit) in mobile banner advertising have a significant impact on advertising response variables such as attitude toward the ad, brand attitude and purchase intention. According to the results, the types of message as well as rhetorical expression in mobile banner advertising had no significant impact on advertising response variables. On the other hand, the interaction between types of message and rhetorical expression was found to be significant. More specifically, the implicit rhetorical expression appeared to be more effective than explicit one in image oriented ads whereas the explicit rhetorical expression appeared to be more effective than implicit one in text oriented ads.
The purpose of this study was to clarify the effects of the administration BCAA medication and jump training on the gastrocnemius of the rats. 5-week old twenty-one male Wister-Kyoto (WKY) rats were randomly divided into three groups: does not training (control group, n=7); administering water orally 30 minutes before training (water group, n=7); administering BCAA orally 30 minutes before training (BCAA group, n=7). All rats were fed with the same amount of food intake and allowed free access to tap water. It was admitted that the Control group in which change of temporal weight has not trained increased from both the groups of a Water group and a BCAA group that trained intentionally (p<.05). The place which compared the photograph of three groups and the first change has checked was a mitochondria It has observed that the number of the mitochondrias of a BCAA group and Christie's development were more nearly intentionally [than a Control group and a Water group] developed also in it. In the BCAA ingestion group, Z belt and M line have photoed the muscular fiber firmly deeply from the Control group and the Water group. There were also many Water groups more nearly intentionally than a Control group, and they have observed the number of mitochondrias, and cristaes development as developed. BCAA improved the activity of the mitochondria and making density of a muscular fiber high was suggested. Moreover, bringing about an effect also in instantaneous power and the Power game was suggested.
The recent growth in the use of impactive and nonlinear loads, electronic, and medical devices sensitive to power quality has caused many power quality problems and power supply-and-demand problem. Recently, in power system, not only the reliability of the power supply but also the DVR(Dynamic Voltage Restorer), UPS, and APF are being studied more and more. Hence, in this paper, Voltage sag detection algorithm for voltage sag corrector is proposed. Also, simple circuit for the experimental voltage sag is introduced.
The purpose of this study was to effects of combined exercise training on the metabolic syndrome risk factors and arterial stiffness in middle aged women. Subjects were composed of combined exercise group(n=10) and control group(n=9). combined exercise training group have performed on a combined exercise at RPE 13-14 of exercise intensity for 60 minutes. combined exercise training was consisted of 3times per week was continued to 12weeks. The results were as follows: 1) During the exercise training period, the combined exercise group had a significant (p<.05) variation in triglyceride, HDL-C except for waist circumference, blood pressure, Glucose as compared with pre combined exercise training. 2) During the exercise training period, the combined exercise group had a significant (p<.05) variation in R-baPWV, L-baPWV except for ankle-brachial index as compared with pre combined exercise training. combined exercise training resulted in markedly changes to metabolic syndrome risk factors and arterial stiffness for middle aged women during 12 weeks. These data suggest that greater improvements in on metabolic syndrome risk factors and arterial stiffness components is achieved when combined exercise training is added to program in middle aged women.
The aim of the study was to analyze the effect of a 20week aerobic and resistance excercise training in 30 elderly women (15 subjects of an exercise group and 15 subjects of a non exercise group) over age 65 randomly selected. In the case of the exercising group, VO₂max increased 8.5㎖ㆍ㎏?¹ㆍmin?¹(4.3%). VO₂AT increased 4.8㎖ㆍ㎏?¹ㆍmin?¹(30.9%), HRmax increased 11.9 bpm (7.9%), HRAT 4,4bpm(3.6%), and VEmax increased 11.7 ℓㆍmin?¹(2.5%) (p<.05) after 20 weeks of aerobic and resistance excercise program. Diastolic blood pressure(SBP)and maximal voluntary ventilation(MVV) greatly increased. From this data I concluded. An aerobic and resistance exercise program was carried out for an extended period of time with 18 elderly women who did not exercise on a daily basis. As a result their cardiovascular function ,was improved. These positive changes suggests the necessity of regular active exercise and offers possible excercise programs for elderly women.