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박지윤 ( Park¸ Jiyoon ) 한국현대언어학회 2021 언어연구 Vol.37 No.2
The Journal of Studies in Language 37.2, 161-179. The purpose of this study is to analyze the types of reflection structures that the university students perceive in reflection writing and to expand their reflection structure experiences to “self” → to “others” → to “social and world” through flipped learning teaching methods. With the rapid transition to the online educational environment in the post pandemic era, students must consider extending their reflection structure awareness in the online environment. The reflection structure is efficient to expand the reflection structure extensions in a way of sharing among students. To this end, flipped learning and application evernote was utilized. It is meaningful that the research mainly focused on research such as reflection writing teaching methods, necessity, and utility, analyzed the reflection structure recognized by the university students and expanded awareness through reflection structure sharing in an online education environment. (Woosuk University)
박지윤(JIYOON PARK) 한국문화융합학회 2021 문화와 융합 Vol.43 No.1
본 연구는 서울말 기식음의 모음간 약화 현상의 정도성 차이를 실험을 통해 밝히고 그에 대한 원인을 규명하는 데 연구 목적이 있다. 한국어의 기식음은(ph, th, ch, kh/로 이들 음가는 초성에서 유지되거나, 모음으로 시작하는 형식형태소에서 연음되어 제 음가를 유지하여 강한 기식음을 실현한다. 그러나 이들 기식음이 모음 사이에서는 약화되는 현상을 보이고 있다. 그러나 그동안의 기식음에 대한 논의는 주로 음절화, 중화와 관련하여 이루어졌다. 기식음의 모음간 약화 현상에 대한 논의는 전무한 실정이다. 기식음이 모음 사이에서 약화되고, 그 정도성에 차이가 있다는 것은 충분히 짐작할 만한 사실이지만 기식음의 모음간 약화 현상에 주목한 연구도, 그리고 그 정도성의 차이를 밝히고 원인을 규명한 연구도 이루어지지 않은 상태이다. 많은 언중들은 실생활 발음에서 기식음을 모음 사이에서 약하게 발음하는 경향이 있는데, 그에 대한 연구를 할 필요가 있다. 그리고 그에 따른 구체적 현상으로는 어떠한 실현 양상이 있으며, 왜 그러한 현상이 나타나는지 원인을 밝히는 과정은 의의가 있다. 본 연구는 서울말 기식음의 모음간 약화 현상에 대해 사례 연구로 살펴보고자 한다. 그 결과, 기식음(kh/가 가장 강하게 일어나고, 다음으로(ph/,(th/,(ch/의 순으로 나타났다. 기식음(kh/와(ph/의 경우에는 모음간 약화 현상이 강하게 나타나며, 그 실현 양상이 무성음 [k]와 [p]가 아니라 유성음 [g]와 [b]로 실현된다. 이처럼 기식만 소실할 뿐만 아니라 모음 사이에서 유성음화도 일어나게 되는데 기식음에 대한 유성음화는 한국어 음운론에서 잘 일어나지 않던 현상이다. 그리고 기식음(th/와(ch/의 모음간 약화는 [s], [th], [ch]로 실현된다. 기식음이 세 가지 형태 [s], [th], [ch] 중 두 가지 이상 혹은 세 가지 모두 공존하며 유지되는 경우가 많다. 이러한 현상이 일어나게 된 이유로 먼저, Sapir(1925)의 ‘심리적 실재’와 관련시켜 설명할 수 있다. 그리고(s/는 많은 논의를 통해 격음으로 볼 수 있으며, 본 연구에서도(s/를 격음으로 보아 기식성이 있는 것으로 간주한다. 마지막 이유로는, 역사적 변화 과정의 일환으로 볼 수 있는데, 다양한 예를 통해 기식음의 모음간 약화 현상은 역사적인 변화가 진행 중인 것으로 이해할 수 있다. 본 연구는 그동안 기식음 모음에서 간과되어 왔던 기식음의 모음간 약화 정도성의 차이를 밝히고 그에 대한 원인을 규명했다는 데 의의가 있다. The purpose of this study is to find out the difference in the degree of weakening between vowels in Seoul dialect through experiments and to find out the cause. The breathing sounds in Korean are ph, th, ch, kh, and these are maintained with consonants or are articulated in formal forms beginning with vowels to maintain their original values and achieve strong breathing sounds. However, these breathing sounds are weakening between vowels. Discussions on breathing sound so far have mainly been conducted on syllabization and neutralization. There has been no discussion about the weakening phenomenon between vowels of breathing sounds. Although it can be inferred that breathing sounds weaken between vowels, no study has focused on the weakening phenomenon between vowels, nor has there been any study to clarify the difference in degree and determine the cause. In the real-life pronunciation of many words, breathing sounds tend to be weakly pronounced between vowels, but research is needed on that. In addition, the process of clarifying the actual conditions and the cause of such a phenomenon is meaningful. Since experiments are essential for this research, Seoul dialect is targeted. Therefore, let us look at the case studies on the weakening phenomenon between vowels in Seoul dialect. The results show that breath sounds kh occur most strongly, followed by ph, th, and ch. In the case of breath sounds kh and ph, a weakening phenomenon between vowels appears strongly, and voiceless sounds [g] and [b] are realized instead of [k] and [p]. In this way, breathing disappears and vocalization occurs between vowels, but vocalization does not occur very often in Korean phonology. Further, weakening between vowels of breathing sounds th and ch is realized as [s], [th], and [ch]. In many cases, breath sounds are maintained in coexistence with two or more of the three forms [s], [th], and [ch]. This phenomenon can first be explained in relation to the “psychological reality” of Sapir(1925). In addition,(s/ can be considered a violent sound in many discussions, and in this study,(s/ is regarded as a very aggressive sound and is considered to be erosive. The last reason is seen as part of the historical process of change, but various examples show that the weakening of breath sounds between vowels is a historical change in progress. This research is meaningful in clarifying the differences in the degree of weakening between vowels of breathing sounds, which have been overlooked from vowels of breathing sounds until now, and in determining the cause.
2세대 남세균 혼입 생체 건축 자재 생산을 위한 잔골재-젤라틴 복합체의 실험적 연구
박지윤 ( Park Jiyoon ),손다솜 ( Son Dasom ),이종구 ( Yi Chongku ) 한국건축시공학회 2023 한국건축시공학회 학술발표대회 논문집 Vol.23 No.2
Construction waste takes about 50% of total industrial waste. Researchers focuses to decrease the amount of construction waste by recycling the waste during the construction site. However, research about recycling the gelatin-sand composite is not yet been studied. This research is an experimental research on recycling the total specimen of gelatin-sand composite. Two methods were held when making the 2nd generation of the gelatin-sand specimen. As a result, there was no difference in flexural strenght between two different method of 2nd generation of specimen. However, the second method of 2nd generation showed about 20% higher compressive strength than the first method.
젤라틴-잔골재 복합체의 공극률이 압축 강도에 미치는 영향
박지윤(Park, JiYoon),이종구(Yi, Chongku) 대한건축학회 2023 대한건축학회논문집 Vol.39 No.12
With a melting point at 30°C and adhesive strength of 4.12MPa, the nontoxic and eco-friendly biopolymer gelatin finds frequent use in the food, pharmaceutical, and medical industries. Previous studies introduced gelatin as a component in the innovative concept of Living Building Material (LBM), but insufficient attention was given to porosity. This study explores the relationship between porosity and the compressive strength of gelatin-sand composite, aiming to understand how void space influences overall strength. Porosity was calculated by measuring the density of the entire specimen. The compressive strength increased by 18% as porosity decreased by 15% from the 7th day to the 14th day. Additionally, the adhesive strength of gelatin solution exhibited a 3.11 times increase from the first to the fourteenth day, similar to cement mortar. The compressive strength in the sand-gelatin composite improved by 18% due to the enhanced gelatin adhesive strength. Furthermore, SEM image analysis was conducted to observe the morphology of the sand-gelatin composite.