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서순석(S.S. Seo),장영길(Y.G. Jang),김광곤(K.G. Kim),현소영(S.Y. Hyun),왕용필(Y.P. Wang),안준호(J.H. An),박민영(M.Y. Park),손홍관(H.K. Sohn) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.7
Since Jan. 2004, the Ministry of Construction and Transportation has partly introduced estimation system of historical cost data in order to reflect result cost of construction market to cost estimation for public construction. It is expected that the purpose of the introduction would be evaluated considering the long-term development of domestic construction industry. In article 3, paragraph 4 of the planning criteria of estimated cost of financial regulation related to government contract rule, the profit estimated by historical cost data indicates sales profit and it is calculated by multiplying the sum of direct cost, indirect cost and general overhead by rate of profit. Finally, it is said that rate of profit cannot exceeds 10%. However, there are a lot of constructions for electronic equipment in the electronic construction and the proportion of government furnished material is very high, not like engineering works or constructions. Therefore, as the proportion of material cost over direct cost is relatively lower, if current rate of profit (10%) is applied, there would be a wide difference of cost in the items of profit under the estimation system of historical cost data. This paper was conducted to examine estimation methods of the items of profit under the estimation system of historical cost data and suggest reasonable applications.
GA4+7 + BA 처리가 사과 '후지' 품종의 과실비대 및 품질에 미치는 영향
安準昊,鄭載薰 公州大學校 資源科學硏究所 1998 資源科學硏究論文集 Vol.6 No.-
The objectiv of this research was t determine the effect of gibberelins4+7 plus benzyladenine on fruit weight, size shape, quality of 'Fuji' apple. These results were summarized as follows; 1. The most favorable treatment time for enhancing fruit size and weight was once spray at full bloom, 10 days after full bloom plus 20 days after full bloom, respectively, and the optimum concentration of the chemical in promoting fruit fleshiness was 18ppm GA4+7 plus 18ppm BA mixture. 2. Three times treatment of GA4+7 plus BA mixture was increased 13.2% fruit length than untreated control, but fruit diameter was not observed difference among treatment. Whereas fruit length/diameter (L/D) ratio was significantly increased by chemical treatment. 3. No significant difference was found among fruit sugar, acidity, firmness, carotenoid, chlorophyll content when treated with GA4+7 plus BA mixture at different treatment concentrations andtime in 'FUJI' apple. 4. Treatment time of GA4+7 plus BA mixture in fruit fleshiness appeared to be more consistantly effective than treatment concentrations, and fruit weight significantly increased when chemical was sprayed over three times. 5. The growth off fruit was not harmful when GA4+7 plus BA solution mixed with spr2 eader-sticter was treated in'FUJI' apple.