• Title/Summary/Keyword: specifications

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Status of Supplier Selection Status and the Practical Use of Purchase Specifications for Self-operated School Foodservices in the Seoul Area (서울 지역 직영 학교 급식의 공급 업체 선정 및 식재료 규격서 사용 실태 조사)

  • Ryu, Kyung
    • The Korean Journal of Food And Nutrition
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    • v.20 no.2
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    • pp.226-239
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    • 2007
  • The purpose of this study was to identify the problems related to the purchasing processes of school foodservices that should be corrected for the food service safety, by examining the purchasing processes and the status of supplier selection. A questionnaire was given to 300 dietitians working at self-operated food services. Ninety-eight responses, excluding incomplete answers, were used for the statistical analysis. The survey consisted of three parts: the general characteristics of the school foodservice and dietitian, purchasing processes and supplier selection, and the purchase specifications. We found that 84% of the contract was made by informal purchasing, and the contract period was 6 months or one year. For supplier selection, problems related to the document screening systems were the superficiality of the content(45.7%) and the absence or lack of clarity of the appraisal criteria(34.8%). The important factors for the facility and equipment standards of suppliers were included unclear evaluation methods for content(41.1%) and inappropriate appraisal lists(21.1%), while unclear evaluation methods for content(41.9%) and absence or lack of clarity of the appraisal criteria(20.4%) were the problems pertaining to the supplier evaluation checklist. When using the Food Labeling Standards to select suppliers, confirmation of the sell-by date and the storage method had the highest score at 3.85 out of 5. For supplier selection, only 25% of the contract was made by using the purchase specifications. The levels of satisfaction of with Kimchi and rice cakes suppliers were significantly different according to employment type and educational background, respectively. Depending on working experiences, satisfaction was significantly different for the use of document screening, as a standard for the selection and management of suppliers, and for the facility and equipment standards of suppliers, The use of purchase specifications was different by employment type, while the use of purchase specifications for contracts was different by working experience. These results imply that the specialization of suppliers is necessary to unsure food safety. Therefore, the objective methods to evaluate the suppliers should be developed by the government, and appropriate education programs for dietitians should be prepared to enhance the utilization of purchase specifications.

A Study on Development of Chinese Men's Apparel Sizing System II

  • Sohn, Hee-Soon;Kim, Jee-Yeon
    • Journal of Fashion Business
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    • v.8 no.3
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    • pp.84-113
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    • 2004
  • The purpose of this study is to provide for some basic data useful to production of the apparels fit and measured well for the Chinese men. For this purpose, Chinese men's apparel measurements and specifications were determined per area group(Beijing and Shanghai) according to the Men's Wear Specifications (GB/T 1335.1-1997), National Standards of People's Republic of China. The results of this study can be summarized as follows; 1. As a result of dividing the Chinese men into Beijing and Shanghai men and thereby, setting stature and upper chest circumference for upper garments and stature and waist for lower garments. 2. As a result of analyzing the correlational distributions of stature and upper chest circumference measurements by region (Beijing and Shanghai) and type of physique, it was found that the coverage rate of the selected sizes was higher in Shanghai sample than Beijing sample in case of the sample with thicker waist circumferences. 3. As a results of analyzing the correlations according to the three-fold classifications of stature /upper chest circumference/waist for garment specifications by region (Beijing and Shanghai) and type of physique, "A" type was most covered, followed by "B", "C" and "Y" types.

A Study on the Influence of Franchise PC Game Rooms Store Attributes on Store Selection Behavior (프랜차이즈 피씨방 점포선택속성이 점포선택행동에 미치는 영향)

  • Seong, Baiksoon
    • Journal of Korea Society of Digital Industry and Information Management
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    • v.11 no.3
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    • pp.231-240
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    • 2015
  • This study empirically analyzed the relationship between the franchise pc game rooms selection behavior and revisit, recommendations. Select Properties from the franchise pc game rooms store is ease of access, computer specifications, pleasant environment, brand power and pricing strategy. Korean franchise industry is in spite of the short history of just over 30 years growing very fast. Especially pc game rooms store is 14,782 in 2012 years, pc game rooms store is operated by franchise form 10.6%, 87.9% operated by private, co-operation was confirmed at 1.5%. Conclusions are as follows. First, factors that significantly affect the degree of revisit has been identified as computer specifications, pleasant environment, brand power. Second, the recommendation is an important factor of the computer specifications, brand power, pricing strategy. Finally, franchise pc game rooms successful strategy has excellent computer's specifications, it needs a promotion strategy to attract pc game tournaments to be notified of brand power. We can also see that running is an important factor in a pleasant environment and a flexible pricing strategy.

Reliability-based assessment of American and European specifications for square CFT stub columns

  • Lu, Zhao-Hui;Zhao, Yan-Gang;Yu, Zhi-Wu;Chen, Cheng
    • Steel and Composite Structures
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    • v.19 no.4
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    • pp.811-827
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    • 2015
  • This paper presents a probabilistic investigation of American and European specifications (i.e., AISC and Eurocode 4) for square concrete-filled steel tubular (CFT) stub columns. The study is based on experimental results of 100 axially loaded square CFT stub columns from the literature. By comparing experimental results for ultimate loads with code-predicted column resistances, the uncertainty of resistance models is analyzed and it is found that the modeling uncertainty parameter can be described using random variables of lognormal distribution. Reliability analyses were then performed with/without considering the modeling uncertainty parameter and the safety level of the specifications is evaluated in terms of sufficient and uniform reliability criteria. Results show that: (1) The AISC design code provided slightly conservative results of square CFT stub columns with reliability indices larger than 3.25 and the uniformness of reliability indices is no better because of the quality of the resistance model; (2) The uniformness of reliability indices for the Eurocode 4 was better than that of AISC, but the reliability indices of columns designed following the Eurocode 4 were found to be quite below the target reliability level of Eurocode 4.

Effects of deviation in materials' strengths on the lateral strength and damage of RC frames

  • Massumi, Ali;Sadeghi, Kabir;Moshtagh, Ehsan
    • Structural Engineering and Mechanics
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    • v.68 no.3
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    • pp.289-297
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    • 2018
  • The real behavior of the RC structures constructed based on the assumed specifications of the used materials is matched with the designed ones when the assumed and the applied specifications in construction are the same. Despite in the construction phase of the reinforced concrete (RC) structures always it is tried to implement the same specifications of materials as given in the executive drawings, but considering the unpredicted/uncontrolled parameters that affect the specification of materials, always there is a deviation between the constructed and the designed materials' specifications. The objective of this paper is to submit a guideline for the evaluation of the strength and damage to the existing RC structures encountered deviation in materials' strengths. To achieve this goal, the lateral strength (plastic behaviors) and damage to twenty-five RC moment-resisting frames (MRFs) are studied by applying the inelastic analysis. In this study, a couple of concrete and reinforcement strengths' deviations are investigated. The obtained results indicate that in general, there is a semi-linear relationship between the deviation in the strength of reinforcement and the changes in the lateral strength values of the MRFs. The relative effect of the deviation in the strength of reinforcements is more than the relative effect of the deviation in the concrete strength on the damage rate. The obtained results could be a guideline for the engineers in the survey of the existing buildings encountered deviation in materials' strengths during their construction phase.

Efficient Signature-Driven Self-Test for Differential Mixed-Signal Circuits

  • Kim, Byoungho
    • JSTS:Journal of Semiconductor Technology and Science
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    • v.16 no.5
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    • pp.713-718
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    • 2016
  • Predicting precise specifications of differential mixed-signal circuits is a difficult problem, because analytically derived correlation between process variations and conventional specifications exhibits the limited prediction accuracy due to the phase unbalance, for most self-tests. This paper proposes an efficient prediction technique to provide accurate specifications of differential mixed-signal circuits in a system-on-chip (SoC) based on a nonlinear statistical nonlinear regression technique. A spectrally pure sinusoidal signal is applied to a differential DUT, and its output is fed into another differential DUT through a weighting circuitry in the loopback configuration. The weighting circuitry, which is employed from the previous work [3], efficiently produces different weights on the harmonics of the loopback responses, i.e., the signatures. The correlation models, which map the signatures to the conventional specifications, are built based on the statistical nonlinear regression technique, in order to predict accurate nonlinearities of individual DUTs. In production testing, once the efficient signatures are measured, and plugged into the obtained correlation models, the harmonic coefficients of DUTs are readily identified. This work provides a practical test solution to overcome the serious test issue of differential mixed-signal circuits; the low accuracy of analytically derived model is much lower by the errors from the unbalance. Hardware measurement results showed less than 1.0 dB of the prediction error, validating that this approach can be used as production test.

A Database to Estimate TBM Manufacturing Specifications and Its Statistical Analysis (TBM 제작 사양을 추정하기 위한 데이터베이스의 구축과 통계분석)

  • Chang, Soo-Ho;Park, Byungkwan;Lee, Chulho;Kang, Tae-Ho;Bae, Gyu-Jin;Choi, Soon-Wook
    • Tunnel and Underground Space
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    • v.27 no.5
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    • pp.271-281
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    • 2017
  • Generally, TBM specifications have been empirically designed by the know-hows of its manufacturers. Since they govern the excavation performance and the cost of TBMs, it is very crucial to reliably determine them in the design stage of TBMs. In this study, a database consisting of TBM data collected from a various kinds of TBM tunnel projects was built to propose the statistical correlations for estimating TBM main specifications. From the statistical analyses, TBM outer diameters are found to have a strong effect on the TBM specifications such as thrust, torque and cutterhead driving power, which are much more important than TBM types and ground conditions.

A Priority Setting Method of the Design Specifications with regards to Functional Requirements at the stage of Concept Design (개념설계단계에서 요구품질을 고려한 설계사양 중요도 결정방법)

  • Park Ji-Hyung;Lee Joong-Ho;Yeom Ki-Won
    • Proceedings of the Korean Society of Precision Engineering Conference
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    • 2006.05a
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    • pp.119-120
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    • 2006
  • Prioritizing the design specifications among many alternatives is necessary at the stage of concept design. Design specifications have trade-offs between cost and performance, and the relationships among them, in the standpoint of various functional requirements, are complex. AHP(Analytic Hierarchy Process) method is one of the most popular ways of solving the priority setting problem. However, it is impossible to monitor the interim findings in the middle of the process, it is hard to predict the difference when changing pairwise comparison conditions, and the operation done by one person makes it hard to share the process simultaneously. This paper shows a new method of priority setting in this kind of decision making problem. This method is designed to support the realtime priority setting among many design specifications with regards to many functional requirements. A new algorithm and visualization methods are introduced, and the usability is verified in an exemplary concept design stage.

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Size Analysis on Disposable Protective Coveralls (국내 시판 일회용 올인원 방역 보호복의 사이즈 분석)

  • Jeon, Eunkyung;Moon, Jeehyun
    • Journal of the Korean Society of Clothing and Textiles
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    • v.37 no.5
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    • pp.655-666
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    • 2013
  • Disposable protective coveralls that cover the entire face and body are essential for operations in contaminative or dangerous environments. This research studied disposable protective coveralls on Korean market in order to improve the products that agricultural workers wear. We investigated the size specifications of 22 disposable protective coverall products sold in Korean markets and analyzed how well the size specifications cover Koreans' sizes by comparing and analyzing the size specifications with Korean body measurements and Korean standards for protective clothing. We analyzed the consistency, regularity, and fitness to body measurements of Koreans for each size by measuring the sizes of 15 different parts for 22 products each. Current disposable protective coverall products for the Korean market are unsuitable for Korean body measurements, especially women's. It was expected that wearers would be unable to choose products that fit their bodies well just by the offered size specifications due to a lack of regularity between the measurements for each size. In this result, it was assumed that the development of KS standards and the coverall pattern that reflect the body measurements of Koreans are needed.

Designation of Bodytypes and Size Specifications for Designing of the Ready-made Jacket (신사복 상의 설계를 위한 체형의 호칭 분류와 사이즈 스팩;36세에서 43세 우리나라 남성을 대상으로)

  • 김구자
    • Journal of the Korean Society of Clothing and Textiles
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    • v.23 no.8
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    • pp.1240-1247
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    • 1999
  • The purpose of this study was to classify size specifications of Korean adult male for the men's ready-made garments especially jacket and dress shirts By the stratified sampling method data were collected by the real anthropometric measurement. Sample size was 263 subjects as the sample and their age range was from 36 to 43 years old 66 variables from the direct anthropometric data were applied to analyze. ANOVA is SPSSWIN 8.0 package was applied to the data and the expected frequency distribution of 10.000 men was calculated by the extraction of density function. This study was performed to classify size specificatios by the control dimensions. The drop values of 9,12 and 6 have the high coverage rate of 28.52% 23.44% respectively Obese body type ; H type HD type and HE type are composed of the majority of 55.47% of the subjects. According to the drop values size specifications and distribution of control dimensions are predicted About 69.82% of the expected frequency distribution were covered by 19 size specifications.

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