• Title/Summary/Keyword: formula comparison

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A study on the comparative method of prescription using gunsinjwasa theory (군신좌사 개념을 도입한 방제 검색 및 비교 시스템에 관한 연구)

  • Park, Hansu;Lee, ByungWook;Lee, Boo-Kyun
    • Herbal Formula Science
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    • v.22 no.2
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    • pp.45-54
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    • 2014
  • Objectives : The main objective of this study is to classify herbal components to 4 groups which are similar to Gunsinjwasa grades by using herbal composition ratio of prescription. Another objective is to design the searching system which compares prescriptions and improves efficiency with 4 groups like Gunsinjwasa grades. Methods : This study was proceeded with Acess 2007 on Microsoft Windows 7 and we created composition ratio based on weight by using prescriptions of Donguibogam, Uihagipmun and Banghakhabpyun. We could make comparison and searching method of prescriptions. Results : We could search using composition ratio degree of herbs which composes prescription. And the similarity comparison of prescription was possible with value from 0 to 10. Conclusions : We could increase the accuracy of the searching prescriptions and comparison with putting into the information about composition degree and composition ratio of herbs which compose a prescription.

Air Fuel Ratio and Calculation According to Fuel Composition (III) -Comparison of Various Calculation Method- (연료 조성에 따른 공연비 산정 (III) - 공연비 계산방식간의 상호 비교 -)

  • Park Chanjun;Ohm Inyong
    • Transactions of the Korean Society of Mechanical Engineers B
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    • v.28 no.10
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    • pp.1147-1154
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    • 2004
  • This paper is the third of several companion papers which compare the method of Air-Fuel ratio determination. In the previous works, Eltinge chart was expanded to arbitrary fuel composition as a reference exhaust composition. The compensation of unburned hydrocarbon in Eltinge chart and comparison of Spindt and Eltinge method were also discussed. In addition to Eltinge and Spindt's one, however, there are many methods which calculate Air-Fuel ratio from exhaust emission. Among these methods, carbon balance and oxygen balance are widely used in practice. In some applications, linear formula from statistical method is being used in the field due to its simplicity and convenience. In this paper, these various methods are evaluated and compared with Eltinge results and new linear formula is proposed for the gasoline fuel. The results show that the corrected carbon balance equation has excellent agreement with Eltinge and Spindt's one. On the other hands, the oxygen-balanced formula has a limitation according to the mixture state and AFR. For gasoline fuel, newly proposed linear equation has good compatibility with Eltinge and Spindt up to AFR 17.

A comparison of women's pattern between the Bunka and the Secoli (신문화식과 세꼴리식 여성복 원형 비교)

  • 최영림;김희은
    • Journal of the Korean Society of Clothing and Textiles
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    • v.27 no.11
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    • pp.1190-1197
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    • 2003
  • The purpose of this study is to compare and analyze methods of women's apparel prototypes and provide for some useful fundamental data to improve the apparel prototype suitable for Korean women. Two different drafting methods, the Bunka pattern of Japan Bunka Women's University and the Secoli pattern of Italy istituto carlo secoli, an italian pattern drafting institute, were selected. The result and discussion are as follows; In the calculation formula, the Bunka was shown more comfort at arm-hole part, because of it's lower arm-hole depth, wider arm-hole width and lower cap height in comparison with the Secoli. At the shoulder angle, the Bunka is inclined more in front shoulder than the back shoulder, whereas the Secoli is inclined more in back shoulder than the front shoulder. It could explain that the Bunka is suitable for bendforward type and the Secoli is suitable for lean-back type. In the sensory test, the one-piece pattern of the Secoli with 4cm ease was highly estimated in ease. It seems young women's preference to body conscious clothes which reflected in many new elastic fabrics. At the bust point to neck, the Bunka was highly estimated, compared with the Secoli. It seems like to be caused that for the bust point to neck formula, the Bunka used bust girth, the Secoli used stature which has low correlation with the bust point to neck.

Comparison of Accuracy of Stability Formulas for Breakwater Armor Stones (방파제 피복석 안정 공식의 정밀도 비교)

  • 서경덕;유동훈
    • Journal of Korean Society of Coastal and Ocean Engineers
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    • v.15 no.3
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    • pp.186-189
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    • 2003
  • Various empirical formulas have been developed to describe the stability of breakwater armor stones. The Hudson formula is known to have needs to be refined in many ways. but it is most widely used because of its simplicity. The van der Meer formula is sometimes used for the cross-check, but it is not very popularly used due to its complexity and the uncertainty of the relevant parameters. Recently, on the other hand, Yoo(2003) proposed a formula of a simple form using a new non-dimensional number which is called 'action slope' (abbreviated as Yoo formula hereinafter). In this study, in order to provide coastal engineers with some idea of the use of these formulas, their accuracies were estimated by comparing with the experimental data reported by van der Meer in 1987 and 1988. It was found that the van der Meer formula showed the highest accuracy, while the Hudson formula of very low accuracy needed considered judgment on its use. On the other hand, the Yoo formula of slightly lower accuracy but simpler expression than the van der Meer formula seems to be able to be used in engineering practice if a slightly higher safety factor is taken.

A study on comparison with nonlinear polarizations by the free-rotational dipole model and the phenomenological response theory (자유회전쌍극자 모델과 현상론적 이론에 의한 비선형분극의 비교연구)

  • Lee, Sang-Uk;Yeo, Hee-Chang;Park, Sang-Ho;Kang, Dae-Ha
    • Proceedings of the KIEE Conference
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    • 2002.07c
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    • pp.1507-1510
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    • 2002
  • In this study linear and nonlinear formula were deduced clearly in cases of the free rotational dipole theory and the phenomenological response theory and practical usefullness of formula by these two theories was discussed.

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Comparison of standard's formula and simplified formula voltage drop on low voltage feeder design (저압간선의 전압강하 계산시 정식계산과 간이계산의 비교)

  • Choi, Hong-Kyoo;Cho, Kyeh-Soo;Seo, Beom-Gwan
    • Proceedings of the KIEE Conference
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    • 2004.05b
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    • pp.207-209
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    • 2004
  • 저압간선의 굵기산정시 일반적으로 간이 계산식이 사용되고 있으나 이는 교류 임피던스를 적용한 정식과는 허용 전압강하를 기준으로한 포설거리에서 차이가 있으므로 저압간선의 설계시 보다 정확한 계산을 위해 교류 임피던스를 기준으로한 정식을 사용하여 계산이 이루어져야 한다. 따라서, 본 논문에서는 정식과 간이식에 따른 계산결과와 실측을 통한 전압강하를 비교하여 정확한 전압강하 계산법을 검토하여 보았다.

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A Study on the Comparative Method of Prescription Using Herb Weight Ratio (방제의 본초 중량비를 활용한 방제 비교 방안에 관한 연구)

  • Park, Daesik;Lee, Bookyun;Lee, Byung Wook
    • Herbal Formula Science
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    • v.21 no.2
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    • pp.121-132
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    • 2013
  • Objectives : The objectives of this study is to establish data-base to find out similar herbal formulas with a particular herbal formula by comparing composition ratio of configuring herbs. And this thesis is to analyze differences of prescriptions and find out similar prescriptions by utilizing galenical mass ratio, which is directly related to effectiveness of galenical. Methods : This study was proceeded by using Access 2007 with Window 7(MS) and 2,787 prescriptions of which herbal configuration could be indicated by weight unit were analysed from Donguibogam. We standardize all units of the prescription and input the mass ratio data when entered galenical data. Results : We could confirm a degree of similarity between compared prescriptions and a particular prescription according to the sum of differences of herb weight ratio and similarity ratio. Conclusions : A most similar herbal formula could be searched through comparing multi prescriptions by multi prescriptions of herbal configuration from established herbal formula data-base where herb weight ratio of prescriptions is to be input.

Study on the Application Limits and Sensitivity Analysis for the Parameters of Time of Concentration (도달시간 산정공식의 입력변수 적용범위 및 민감도 분석)

  • 김선주;강상진;이광야;박재흥
    • Magazine of the Korean Society of Agricultural Engineers
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    • v.42 no.6
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    • pp.72-82
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    • 2000
  • Many lot of books introduce the methods to calculate the time of concentration, and these are described as various forms of formulas. There are few formulas appropriate for our basin characteristics Therefone, there are problems to make excessive or less estimation when these formulas are used. To solve these problems, comparison of formulas and sensitivity analysis for them were made with converting parameters. Finally, Time of concentration was estimated to derive Application limits for 3 watersheds by standardized formulas. In the case of input parameters analysis, SCS formula has the highest value by the length, Kerby by the height and SCS by the slope, respectively, while Kraven formula has the lowest value among them. Concerning the relative sensitivity by Taylor series, the time of concentration showed the constant effect while increasing of the length and slope, and the length was more sensitive than the slope in parameters. Finally the standardization formula developed in this study was applied to derive application limits for 3 watersheds(total 17 subbasins). In this case, Rziha(8 subbasins) and SCS(9 subbasins) formulas were the most similar to observed data of total 17 subbasins respectively. Application limits were about 300~500$\textrm{km}^2$ area, 30~60km length and under 0.01 slope for Rziha formula and about 100~200$\textrm{km}^2$ area, 10~30km length, and over 0.01 slope for SCS formula, respectively.

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Comparison of Morbidity between Breast-fed and Formula-fed Infants (모유영양아와 인공영양아의 이환율 비교)

  • Kim, Mi-Won;Shin, Hee-Sun;Kim, Jeong-Sun;Ahn, Chai-Soon;Oh, Sang-Eun;Yu, Kyoung-Won;Lee, Ae-Ran;Jang, Young-Sook
    • 모자간호학회지
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    • v.3 no.2
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    • pp.166-171
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    • 1993
  • To compare the morbidity between the breast-fed and artificial formula-fed Infants, the frequency of diseases during infancy was studied. The subjects were 37 breast-fed infants and 41 formula-fed infants aged 12-15 months. The data were obtained while they visited the pediatric out-patient clinics. The results were as follows : 1. Most prevalent diseases in the infancy were respiratory and gastrointestinal illnesses. 2. During the first 6 months the morbidity was significantly lower in the breast-fed than in the formula-fed 3. The frequency of respiratory and gastrointestinal diseases was significantly higher in the formula-fed than in the breast-fed infant during the first 6 months.

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Comparison on Inactivation of Enterobacter sakazakii, Salmonella typhimurium, and Bacillus cereus Inoculated on Infant Formula During Storage by Gamma Irradiation

  • Jin, You-Young;Ku, Kyung-Ju;Park, Ji-Yong;Park, Jong-Hyun;Chung, Myong-Soo;Kwon, Ki-Sung;Chung, Kyung-Sook;Won, Mi-Sun;Song, Kyung-Bin
    • Food Science and Biotechnology
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    • v.17 no.4
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    • pp.861-864
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    • 2008
  • Enterobacter sakazakii, Salmonella typhimurium. and Bacillus cereus were evaluated on inoculated infant formula by gamma irradiation treatment as a method to provide microbial safety. The infant formula inoculated with the major pathogenic bacteria was treated at irradiation dose of 0, 3, 5, and 10 kGy, respectively. After treatment, the samples were individually packaged and stored at $20^{\circ}C$. Microbiological data during storage represented that the populations of E. sakazakii, S. typhimurium, and B. cereus were reduced with the increase of irradiation dose by 4 to 5 log reductions. In particular, E. sakazakii, S. typhimurium. and B. cereus were eliminated at 10, 5, and 3 kGy, respectively. E. sakazakii was the most radiation-resistant, while B. cereus was the least. Our results represent that gamma irradiation below 10 kGy should eliminate the growth of the major pathogenic bacteria in infant formula during storage.