• Proceedings of the Korean Society of Soil and Groundwater Environment Conference
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• 1999.04a
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• pp.26-28
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• 1999

동절기 급격한 온도 저하로 인한 적용한계를 극복하기 위하여 composting 기술을 현장에 적용하여 적용 가능성을 검토하고 온도 변화에 따른 분해 특성을 검토하였다. 기초 실험을 통해 영양원과 유류분해 미생물의 첨가에 따른 분해 효율을 점검한 결과 초기 유효 미생물 (유류분해 미생물)의 농도가 낮고 영양원(N, P source)의 불균형으로 인해 영양원의 첨가와 유류분해 미생물을 동시에 투입하는 것이 바람직한 것으로 나타났으며, 동절기 낮은 온도를 극복하기 위해 퇴비를 투입한 Co-composting 기술은 주입된 퇴비의 영향으로 pile 내부의 온도가 30-40일 동안 중온상태를 유지하였으며, 제거효율은 91%로 나타났다. 따라서 유류 오염토양을 복원함에 있어서 동절기에도 별도의 시설투자 없이 효율적으로 유류를 분해시킬 수 있는 CO-Composting 기술의 적응 가능성이 확인되었으며, 난분해성 물질의 생물학적 분해에 있어서도 다양하게 적용될 수 있을 것으로 판단된다.

• Proceedings of the Korean Nutrition Society Conference
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• 2000.06a
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• pp.130-130
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• 2000

• Korean journal of applied entomology
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• v.8
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• pp.19-23
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• 1969

It was observed that the effect of Grand E.C, on the growth of Fusarium oxysporium f. cucumerinum mycellia, which was cultured in the media with different nitrogen and carton sources, varied with it's concentrations. (1) Mycellia of F. oxysporium f. cucumerinum were grown strongly in $(NH_4)_2HPO_4\;NH_4NO_3$ and fructose media. (2) In general, the diluted Grand E.C, $ (\times\;1,000)$ effected on check of fungal growth in any type of media with the different nitrogen and carbon sources. It was disturbed the growth of fungi in $NH_4NO_3$, lactose and fructose in the diluted fungicide $(\times\;5,000)$. In the diluted solution $(\times\;10,000)$ of fungicide, somewhat increased the viability of fungi, but it was disturbed the growth in $NH_4NO_3$ and fructose media. (3) In conclusion, it was thought to be that the diluted Grand emulsion effected in check of the growth of F. oxysporium f. cucumerinum which grown some nutritional conditions.

• Journal of Korean Society of Environmental Engineers
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• v.27 no.4
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• pp.431-437
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• 2005

In this study, the profiles of the bacterial regrowth of indigenous bacteria in tap water and Pseudomonas fluorescence P17 were investigated for cases when carbon (glucose), and/or nitrogen ($NO_3^-$-N), and/or phosphorus ($PO_4^{3-}$-P) were added below sufficient nutrient concentration (SNC) and when carbon sources (glucose and acetate) and nitrogen sources ($NH_4^+$-N and $NO_3^-$-N) were added together. The bacterial regrowth was decreased with limitation of nutrients, and were lowered relatively in the sample, which plural nutrients were limited. In addition, phosphate might be the effective nutrient to control the bacterial regrowth in drinking water because the bacterial regrowth was significantly decreased by the limitation of phosphate. In contrast, the bacterial regrowth was retarded with increasing the concentration of $NO_3^-$-N. For simultaneously adding carbon(glucose or acetate) and nitrogen sources ($NH_4^+$-N and $NO_3^-$-N), the regrowth counts appeared highly in the condition, for both glucose and acetate. And, the regrowth was increased with increasing $NH_4^+$-N concentration as a nitrogen source.

• Environmental engineer
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• v.19 s.186
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• pp.66-73
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• 2002

우리나라 하수의 특성이 유기물 농도가 질소 농도에 비하여 매우 낮기 때문에 외국의 종속영양 탈질 공법을 그대로 적용하기가 힘들며 적용한다 할지라도 외부탄소원을 넣어야 하므로 경제적인 처리는 불가능하다. 산업폐수의 경우에 있어서도 유기물농도가 질소농도에 비하여 낮은 폐수의 경우는 값비싼 외부탄소원을 넣어주어야 한다. 따라서 폐수 특성에 맞는 효율적이고 경제적인 질소화합물 제거 기술의 개발은 불가피하다. 따라서 종속영양탈질공정의 경제성 문제 및 기존의 황탈

• The Korean Journal of Mycology
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• v.47 no.4
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• pp.373-383
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• 2019

We investigated the effect of different media components on the characteristics and productivity of Lentinula edodes cultivated in sawdust. Ten substrates were used for this study. Soybean and cotton seed meal were unsuitable substrates as fungal mycelia did not grow to maturity during the incubation period. Lentinula edodes (NIFoS culture number 2462) was grown on the ten substrates, and soybean hull, mixed medium, cotton seed hull and corn grain showed greater effect on the productivity than wheat bran. However, wheat bran induced higher productivity in NIFoS 2778 than the other substrates. Sawdust medium with soybean meal produced smaller fruiting bodies than the other substrates. In contrast, corn meal media produced larger mushrooms than the other substrates. The external characteristics of the mushrooms varied based on the substrates upon which they were grown. This is not surprising given that the substrates differed with respect to carbohydrate and protein content, e.g., cotton seed and soybean meal contained a higher crude protein and crude ash than the other substrates tested.

• Proceedings of the Korean Nutrition Society Conference
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• 2001.05a
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• pp.47-59
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• 2001

• Proceedings of the KSCN Conference
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• 1998.11a
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• pp.105-105
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• 1998

• Culinary science and hospitality research
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• v.20 no.4
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• pp.239-252
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• 2014

This study aimed to identify the influence of a nutrition teacher's servant leadership on cooks' empowerment and organizational commitment in school organization. For this purpose, this study selected 288 cooks working in elementary, middle and high schools located in Daegu city, and conducted a survey toward them. The collected data were analyzed with the frequency analysis, the reliability verification, the correlation test, and the multi-regression analysis. As the results testing the hypotheses, the following 3 hypotheses were chosen as valid ones. First hypothesis: A nutrition teacher's servant leadership will positively(+) influence on cooks' empowerment. Second hypothesis: A nutrition teacher's servant leadership will positively(+) influence on cooks' organizational commitment. Third hypothesis: A cook's servant empowerment will positively(+) influence on his/her organizational commitment. Therefore, nutrition teachers should exercise their servant leadership so that cooks can be responsible for the quality of school meals and perform their work on the basis of autonomy and creativity. In order to perform the role of a servant leader, nutrition teachers will need to continually get various educational, training programs for enhancing their servant leadership.

• Food Science and Industry
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• v.44 no.4
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• pp.57-67
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• 2011