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윤근영,김명애 한국식생활문화학회 2005 韓國食生活文化學會誌 Vol.20 No.1
The objective of this study was to clarify the effect of addition of green tea powder(0%, 2%, 4%, 6%, 8%) to Yackwa on quality and preservation. Addition of 4% green tea powder turned out to give positive effect on expansion. In test of physical characters, addition of green tea powder had a tendency to lower hardness, cohesiveness, springness and gumminess but to enhance brittleness. Considering the rancidity of oil within Yackwa, addition of green tea powder tended to show lower acid value and peroxide value than non-added treatment but its difference was slight. At the sensory test, surface color, bitterness and green tea flavor were strong but sweet and savory taste weak when green team powder was added(p〈0.05). Overall quality appeared to have improved to 5.55 points which is compared to non-addition when the powder was added 4%(p〈0.05). In conclusion, 4% addition of green tea powder would be the usefull method to enhance preference and quality of Yackwa.
녹차분말 첨가가 약과의 품질과 저장성에 미치는 영향(2)
윤근영,김명애 생활과학연구소 2005 생활과학연구 Vol.10 No.-
The objective of this study was to clarify the effect of addition of green tea powder(0%, 2%, 4%, 6%, 8%)each to Yackwa on quality and preservation. Addition of 4% green tea powder turned out to give positive effect on expansion. Addition of green tea powder to test physical character showed a tendency to lower hardness, cohesiveness, springness and gumminess but to enhance brittleness. For the sensory test, overall quality appeared to have improved or unchanged compared to control sample when the powder was added 2% and 4%.(p<0.05). In conclusion, 4% addition of green tea powder would be a usefull method to enhance preference and quality of Yackwa.
읽기·쓰기 능력 발달을 위한 문장 교육 교재 개발 연구 : 문형 지도를 중심으로 Centered on the Instruction of Sentence Pattern
이춘근,김명순 국어교육학회 2004 國語敎育學硏究 Vol.18 No.-
읽기·쓰기 능력의 발달을 이루기 위해서는 문장 교육이 필수적이다. 그러나 지금까지는 문법 교육의 퇴조와 더불어 문장 교육이 매우 소홀히 다루어져 왔는데 그 와중에서 문형 교육은 더욱 그러하였다. 이 논문은 읽기·쓰기 교육을 위한 문장 교육의 한 부분으로 문형지도 방안에 대해 연구한 것이다. 문형 교육이란 문장의 통사 구조를 가르치는 교육이다. 일부에서는 아동의 언어 습득 과정에서 이미 문장의 통사 구조에 대한 직관이 습득되므로 별도의 교육은 필요하지 않다고 주장한다. 그러나 우리는 그러한 직관적인 지식은 불충분하며 읽기·쓰기 능력을 높은 수준으로 발달시키기 위해서는 문장의 통사적 사용 능력이 발달하도록 지도해야 한다고 본다. 문형 교육의 목적은 텍스트에 사용되거나 될 수 있는 모든 문장의 통사 구조를 능숙하게 사용할 수 있도록 통사적 능력을 발달시키는 것이다. 이 목적을 위해서 통사론적 지식을 선정하여 가르쳐야 한다. 이 논문에서 제안한 문형 지도 내용과 방안은 다음과 같다. 1. 문형 1) 기본 문형 : ① 주어, 서술어 ② 주어, 보어, 서술어 ③ 주어, 목적어, 서술어 ④ 주어, 목적어, 보어, 서술어 2) 통합 문형 : (독립어), 주어…(보어)…(목적어)…(보어)…서술어 2. 단계별 지도 방안 ◀표삽입 본문참조▶ The sentence education is essential to the development of reading and writing competence. But for the ebb of grammar education, until now, the sentence education is neglected in the instruction of reading and writing, still more the instruction of sentence pattern[henceforth SP] is. The purpose of this paper is to design the instruction of SP for the education of reading and writing. The instruction of SP is the instruction of the syntactic structure of the sentence. In the language acquisition, children already acquired the intuition of the syntactic structure of the sentence, but it is insufficient. To develop the competence of reading and writing on the high-qualified level, they have to be able to deal with a difficult sentence structure in the text skillfully. The purpose of the instruction of SP is to develop the syntactic competence handling any sentence used or usable in the text skillfully. To achieve this goal, students have to learn the knowledge of syntax. The contents of the instruction are as follows : 1. SP 1.1 basic 4 SP : S+V, S+C+V, S+O+V, S+O+C+V 1.2 Integrated SP : (I), S…(C)…(O)…(C)…P 2. These contents must be instructed by stages.
장광미,이호근,강창희,허철구,박경윤,서명석 濟州大學校 基礎科學硏究所 1996 基礎科學硏究 Vol.9 No.2
Atmospheric aerosols were collected by a High Volume Tape Sampler from March 1992 to December 1993 at Kosan, Cheju, korea. The water soluble ion concentrations in aerosol were analyzed. The concentrations of cations(Na+, K+, Ca²+, Mg²+, NH₄+) were determined by an Inductively Coupled Plazma(ICP) or an Atomic Absorption Spectrometer(AAS), and those of anions(Cl-, NO₃-, SO₄²-) were analayzed by the capillary electrophoresis method. The Ca²+, SO₄²-and NO₃- concentrations in spring were higher than those in other seasons. The lowest concentrations of these elements were found in summer, largely due to scavenging by frequent rains. Especially the ca²+ concentration on April was three to four times higher than the annual mean concentration. The enrichment factor(E.F.) of each element was calculated. The annual mean E.F. values of the Ca²+, Mg²+ and Cl- in 1992 were the same as those in 1993 except K+ and SO₄²-. The correlation formula between all cations and anions for the whole period was Anions=0.759xCations+0.066.
장광미,강창희,서명석,허철구,박경윤,이호근,김영준 濟州大學校 基礎科學硏究所 1996 基礎科學硏究 Vol.9 No.2
A study has been performed on the characteristics of rural and urban surface ozone concentration for the period of March 1992 to February 1993. The monitoring station of rural ozone is located at Kosan, Cheju and other urban monitoring stations are located at Seoul, Pusan and Kwangju. Rural's and urban's ozone data exhibit a distinct features in many ways. First, annual mean of rural ozone concentration is very high(42 ppbv) but urban's are very low(10~15 ppbv). Second, rural ozone data shows a seasonal variation with it's maximum in spring, and minimum in summer, but urban's show a seasonal variation with it's maximum in spring, and minimum in winter. Third, diurnal variation of rural data is very small but that of urban's are very large. Fourth, monthly mean of daily minimum of rural data is not low and shows a large seasonal variation, but those of urban's data are extremely low(<3 ppbv) and have no seasonal variations.
Myoung Geun Song,박정웅 한국물리학회 2016 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.68 No.12
Dye-sensitized solar cells (DSSCs) based on titanium dioxide (TiO2) have been extensively studied because they constitute promising low-cost alternatives to their conventional semiconductor-based counterparts. However, much of the effort aimed at achieving high conversion efficiencies has focused on dye and liquid electrolytes. In this work, we report the photovoltaic characteristics of DSSCs fabricated by mixing TiO2 with Fe-doped bismuth lanthanum titanate (Fe-BLT). These nanosized Fe-BLT powders were prepared by using a high-energy ball-milling process. In addition, we used a UV radiation-ozone (UV-O3) treatment to change the surface wettability of TiO2 from hydrophobic to hydrophilic and thereby prevented the easy separation of the Fe-BLT-mixed TiO2 from the fluorine-doped tin-oxide (FTO) coating glass.