• Title/Summary/Keyword: acceptable range

Search Result 861, Processing Time 0.025 seconds

Radioimmunoassay Using Quality Control Materials BIO-RAD of the Suggestions for Setting Acceptable Range (BIO-RAD 정도관리 물질을 이용한 방사면역측정법의 Acceptable Range 설정에 대한 제언)

  • Park, Hee-Won;Kim, Tae-Hoon;Roh, Gyeong-Un;Kim, Hyun-Joo
    • The Korean Journal of Nuclear Medicine Technology
    • /
    • v.16 no.1
    • /
    • pp.108-114
    • /
    • 2012
  • Purpose: Immunosorbent assay most commonly used in the laboratory and commercial third-party quality control material is a substance that provided by BIO-RAD. However, in Reference Sheet by radioimmunoassay test kit or a measuring device for the mention of Acceptable Range is somewhat lacking. Radioimmunoassay for the inspection of test results by setting Acceptable Range to increase the objectivity of the recommendations on the data accumulated by the manufacturer listed in the Reference Sheet is to be issued. Materials and Methods : In our hospital since 2009 partially BIO-RAD using quality control materials in 2011, excluding certain items, some items were most of the BIO-RAD third-party quality control materials are used. Thus, internal quality control data accumulated BIO-RAD's Unity Real Time program by using the items were measured. Results : BIO-RAD using quality control material items were about 50 of the 20 Point Data averages, standard deviations, variation coefficients were calculated to measure the Acceptable Range of kit, automated immunoassay attributed Roche Elecsys / E170 / cobas e Systems the measures and compared. Conclusions : BIO-RAD QC materials commonly used hospital and peer group by setting the measurement kit, suitable for laboratory equipment for radioimmunoassay of Acceptable Range manufacturer recommendation to increase the objectivity of the test results by national and international recognition for radioimmunoassay should seek to increase.

  • PDF

A Study on the Acceptable Range of Data Error in Road Traffic Noise Mapping (도로교통 소음지도 제작시 데이터 오차의 유효범위에 대한 연구)

  • Park, S.J.;Ko, J.H.;Chang, S.I.;Lee, B.C.;Song, K.S.;Kim, J.S.
    • Proceedings of the Korean Society for Noise and Vibration Engineering Conference
    • /
    • 2007.05a
    • /
    • pp.628-632
    • /
    • 2007
  • The purpose of study is to confirm a acceptable range of data errors in data collecting. To examine a acceptable range of data errors, emission level is calculated for a vehicle flow and heavy vehicle percentage as a function of small-sized velocity. According to road selected, noise level of detail influence road noise calculations. It can be concluded that a vehicle flow raised an error less than 5000(veh/h) for a maximum error in emission level of 3.01dB, and the more a heavy vehicle percentage have a low value, the more emission level is a slight difference. This analysis gives insight regarding the accuracy of traffic flow data that is needed to reach a certain level of accuracy for the resulting noise level.

  • PDF

RELIABILITY-BASED DESIGN OPTIMIZATION OF AUTOMOTIVE SUSPENSION SYSTEMS

  • Chun, H.H.;Kwon, S.J.;Tak, T.
    • International Journal of Automotive Technology
    • /
    • v.8 no.6
    • /
    • pp.713-722
    • /
    • 2007
  • Design variables for suspension systems cannot always be realized in the actual suspension systems due to tolerances in manufacturing and assembly processes. In order to deal with these tolerances, design variables associated with kinematic configuration and compliance characteristics of suspensions are treated as random variables. The reliability of a design target with respect to a design variable is defined as the probability that the design target is in the acceptable design range for all possible values of the design variable. To compute reliability, the limit state, which is the boundary between the acceptable and unacceptable design, is expressed mathematically by a limit state function with value greater than 0 for acceptable design, and less than 0 for unacceptable design. Through reliability analysis, the acceptable range of design variables that satisfy a reliability target is specified. Furthermore, through sensitivity analysis, a general procedure for optimization of the design target with respect to the design variables has been established.

Steiner씨 분석법의 이상적합치에 관한 연구

  • Park, Yoㅕng-Chel;Jun, Youn-Sic;Son, Byung-Hwa;Ryu, Young-Kyu
    • The Journal of the Korean dental association
    • /
    • v.20 no.6 s.157
    • /
    • pp.513-524
    • /
    • 1982
  • The purpose of this study was to test the statistical significance of Ideal Acceptable Compromise and determine the range of their use according to the Steiner's analysis. 56 adults male and 62 adults female ranging in age from 18 to 20 years with normal occlusion were studied and analyzed statistically. The results were as follows; 1. The authors obtained the ANB range values and ideal acceptable compromise. 2. Simple correlation coefficients of each variables used in the ideal acceptable compromise were obtained. 3. It is most valid that use the ANB angle as a dependent variable among the five variables. 4. In the multiple regression equations, the rank of significant variables were 1 to NA(angle), I to NA(mm), 1 to NB (mm) in male group, and 1 to NA (angle), 1 to NB (angle), 1 to NA (mm), 1 to NB (mm) in female group when ANB angle was used as a dependent variables.

  • PDF

Asbestos Exposure and Risk Assessment by ABS(Activity Based Sampling) for Former Asbestos Mining Areas in Korea (우리나라 일부 석면광산 지역에서 ABS를 이용한 석면노출 및 위해성 평가)

  • Lee, Junhyeok;Kim, Daejong;Choi, Sungwon;Kim, Hyunwook
    • Journal of Korean Society of Occupational and Environmental Hygiene
    • /
    • v.25 no.1
    • /
    • pp.72-81
    • /
    • 2015
  • Objectives: The aim of this study was to investigate the exposure and risk assessment of residents near asbestos mines in Korea. Methods: To assess asbestos types and airborne concentrations, air monitoring was performed in the neighborhoods of Kwangcheon (KC) and Sinsuk (SS) mines, which were leading South Korean mines in the past. In addition, activity-based-sampling (ABS) of residents' particular activities were conducted in order to estimate the Excess Lifetime Cancer Risks (ELCRs) for the residents. Conclusions: The average concentration of airborne asbestos in KC was 0.0014 f/cc and 0.0015 f/cc by PCM and TEM, respectively. In SS it was equal at 0.0012 f/cc by PCM and TEM. No statistically significant difference was found in the average concentration of airborne asbestos between the two mines. The average asbestos concentration of ABS was 0.0048 f/cc (PCM) and 0.0042 f/cc (TEM) in KC, while it was 0.0137 f/cc (PCM) and 0.0125 f/cc (TEM) in SS. It was found that the average asbestos concentration of ABS in SS was statistically significantly higher than that of KC (p<0.01). The results of ELCRs by scenario in KC showed that the scenarios of bicycle, car, weed control, weed whacking, child playing in the dirt, and physical training fell within $1{\times}0^{-6}-1{\times}10^{-4}$, which is the acceptable range of ELCR. The scenarios of motorcycle, walker, digging, and field sweeping, however, exceeded the acceptable range. In SS, only the scenario of car fell within the acceptable range, while all of the other scenarios exceeded the acceptable range.

Research on Factors that Affect the Price Acceptability of Fashion Products -Focus on Bag, Shoes, and Jacket- (패션상품의 가격수용성에 영향을 미치는 변인연구 -가방, 구두, 자켓을 중심으로-)

  • Yoh, Eunah
    • Journal of the Korean Society of Clothing and Textiles
    • /
    • v.38 no.2
    • /
    • pp.266-276
    • /
    • 2014
  • Price acceptability has become an important issue in the current fashion market. This study explored diverse factors that affect price acceptability (level of acceptable price and range of acceptable price). Stimuli photos of fashion products (i.e., bag, shoes, and jacket) were developed and used for online experiments with 3,000 female consumers. Important results included factors that affected the price acceptability of fashion products were price-quality relation, price concern, and product attribute perception. The results showed that female consumers depended more on price-quality relations, more positively perceived product attributes, and were less sensitive to price; in addition, they tended to have a higher level of acceptable price as well as a wider range of acceptable price for fashion products. These results were consistent across all experiments with different fashion items (i.e., bag, shoes, and jacket). Based on the results, factors that influence the price acceptability were revealed. Marketing practitioners need to more actively consider implying advertising strategies that emphasize the advancement of product attributes such as quality for highpriced products.

Development of Chaff-vinegar Distiller (왕겨초액 제조장치 개발)

  • 박규식;이기명;명병수;최중섭;김태욱
    • Journal of Biosystems Engineering
    • /
    • v.28 no.5
    • /
    • pp.389-394
    • /
    • 2003
  • The concerns of wood vinegar increase with its various applications to food additive, functional drink, and in the sustainable farming. Chaff vinegar, a by-product of chaff charcoal which is produced by distilling smoke and having similar ingredients and efficacy with wood vinegar, contains harmful tar in the acceptable range and can be mass-produced. A chaff vinegar distiller, commercially mass-productive, was developed using a water cooling system. Initially distilled vinegar by the developed system contained little harmful tar in the acceptable range for the agricultural use and its acidity was about pH 3.2. Treatment of the chaff vinegar in the enhancing emergence test showed greater number of emerged seedlings, and vise-versa. Treatment of diluted in 100-holds showed 44.0% of emerged and 8.6% of not-emerged seedlings.

Determination of Adequate Solder Volume using 3D Solder Joint Configuration in SMT (3차원 납 접합부 형상을 이용한 표면실장기술의 적정 납량 결정)

  • 최동필;김성관;유중돈
    • Journal of Welding and Joining
    • /
    • v.14 no.2
    • /
    • pp.71-78
    • /
    • 1996
  • In order to rpovide proper SMT design criteria in a systematic way, a mathematical formulation has been developed to predict the configuration of the solder fillet formed between the gullwing type lead and rectangular pad. Effects of SMT design parameters such as the solder volume and pad dimension on the solder profile are investigated using the FEM that calculates the 3D configuration by minimizing the energy due to surface tension and gravity in the equilibrium state. Design criteria of QFP and SOP are illustrated by plotting the acceptable range of the solder volume with respect to the length and width ratios of the pad and lead. The results show that the acceptable design range increases with increase in the pad length and width. The pad length has more significant effects on design criteria compared with the pad width, and Bond number can be utilized to predict the joint quality.

  • PDF

Accuracy Analysis of Aerial Photogrammetry for Digital Cadastral Map (수치지적도화를 위한 항공사진측량의 정확도 분석)

  • Yun, Bu-Yeol
    • Journal of the Korean Society of Industry Convergence
    • /
    • v.25 no.6_3
    • /
    • pp.1191-1197
    • /
    • 2022
  • Recently, many studies have been conducted to utilize the digital aerial photogrammetry method in the field of cadastral surveying. The representative models of digital cameras currently used for aerial photogrammetry are classified into line-type and convex-type cameras, so the representative models were selected and analyzed. The purpose of this study was to analyze whether the accuracy suggested by the cadastral survey enforcement rules was satisfied by comparing the orthogonal and ortho image performance. As a result, there were some representative false points that exceeded the acceptable range, but the results extracted from most of the images were shown to satisfy the acceptable range. Therefore, it can be said that the application of digital aerial photogrammetry to the cadastral field in the technical aspect has sufficient potential.

A study on the Acceptable Cap Torque for Processed Food Containers (고령자에 적합한 가공식품 마개의 Torque에 관한 연구)

  • Sin, Seung-Heon;Song, Byeong-Chang
    • Journal of the Ergonomics Society of Korea
    • /
    • v.20 no.2
    • /
    • pp.83-97
    • /
    • 2001
  • Korea has become an aged society according to the UN specifications. The number of the aged population will increase drastically, and the number of single aged people will also increase. Products used in our daily life are manufactured within the normal capabilities of people. Thus, aged people have encountering problems in using them. Numerous products are used in our daily lives. The purpose of this study is to find the acceptable torque for aged people to open the caps of processed food containers. Depending on the size and shape of the opening hand, hand operation has been classified into three categories. A total of one hundred and nine people participated in this study. Fifty nine people in the 20-30 year old range and fifty people in their 60-70's. Results of the study are as follows: 1) For all categories the acceptable cap torque data for the aged people are established. To satisfy 95% of the aged people, it was found that $74N{\cdot}cm$ for type A caps, and $141N{\cdot}cm$ for B type caps. and $214N{\cdot}cm$ for type C were the acceptable torque levels. 2) The appropriate level of torque for opening the cap was found to be 70% of the maximum torque for the aged people.(71.4% for type A. 71.4% for type B. 72.2% for type C). 3) Capabilities of the 70's drops sharply in function related to opening cap (maximum torque, gripping force, and wrist movement range). 4) Among aged subjects, 65.0% for type A, 42.0% for type B, and 68.8% for type C, had difficulties in opening the container caps.

  • PDF