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일체형 이산화탄소 포집 및 전환을 위한 합성 기반의 아민 재생 및 탄산 칼슘 성상 제어
홍수진,심규대,문석윤,박영준 한국공업화학회 2020 한국공업화학회 연구논문 초록집 Vol.2020 No.-
온실 가스 중 하나인 이산화탄소의 인위적인 배출은 기후 변화를 수반한 생물체 생존의 위협을 야기하고 있다. 이에, 이산화탄소 포집, 운송 및 저장 기술을 아우르는 CCUS (carbon capture, utilization and storage) 기술은 이산화탄소 배출을 완화하기 위한 필수적인 옵션으로 여겨지고 있다. 전체 CCUS 기술 중에서, 특히, 아민 기반의 이산화탄소 포집 기술은 실증까지 이르는 비약적인 발전을 이뤄왔으나, 고 에너지 및 공정 비용을 야기한다는 한계점을 가지고 있다. 한편, 탄소 광물화 기술은 이산화탄소와 알칼리원의 자발적 반응을 통해 고체 탄산염을 합성하며, 이산화탄소를 안정하게 저장할 수 있을 뿐만 아니라, 제품으로서 활용이 가능하다는 점에서 주목을 받고 있다. 이러한 두 가지 기술의 결합은 이산화탄소의 포집과 저장을 단일 공정으로 수행할 수 있으며, 아민의 재생 에너지 감소와 동시에 부가가치를 생산할 수 있을 것으로 기대된다. 따라서, 본 연구는 일차, 이차 및 삼차 아민 수용액에서 이산화탄소를 포집하고, 알칼리원으로서 CaCl<sub>2</sub>를 주입하여 탄산칼슘회수율을 계산하고, 온도에 따라 제어되는 순도, 성상 및 형상을 조사하였다.
Hybrid Qubits Using 2D Materials for Quantum Computing
홍수진,황동렬,이광섭,Prem Prabhakaran 한국고분자학회 2021 한국고분자학회 학술대회 연구논문 초록집 Vol.46 No.2
Quantum computer processes data using quantum mechanical phenomena such as superposition state (or coherence) that can be in two states instead of one, based on qubits that can represent states of 0 and 1 at the same time. However, since this coherence is easily broken by various environmental changes, it is necessary to design the qubit based on a material with a long coherence lifetime. Here, we synthesized graphene qubits by binding organic ligands to metal ions and self-assembly with graphene.
홍수진,배수정 한국패션비즈니스학회 2018 패션 비즈니스 Vol.22 No.1
The purpose of this study is to examine the concept of surrealism and its expression technique and to develop creative and artistic women’s coat design based on the analysis of various expression techniques of surrealistic artists and designers. To this end, literature review was done and design and actual works of women’s coats were made. Surrealism was applied to fashion by Schiaparelli in the 1930s and it has constantly been applied by many fashion designers. The examples used in fashion were examined by shape of body parts or natural objects, metaphor and transformation of objects, position change and optical illusion. Based on this examination, motifs were drawn from paintings of Rene Magritte, Salvador Dali, Vladimir Kush, and Rafal Olbinski, who most inspired contemporary fashion designers with their works. The creative and artistic sense of five women’s coats for 20’s and 30’s were designed using surrealistic paintings and fashion design expression techniques in a view of social problems. This study has a significance in that it expanded the expression techniques of fashion design and its field with original design which is inspired by surrealistic formativeness and expression technique with social criticism. It is also possible for this study to contribute to the development of fashion design if various designs are presented through grafting various artistic expression techniques onto fashion.
Intra-alveolar transverse crown & root fx.가 있는 치아의 replantation을 통한 수복의 임상 증례 보고
홍수진,Hong, Soo-Jin 대한소아치과학회 1996 大韓小兒齒科學會誌 Vol.23 No.4
Intra-alveolar transverse crown & root fx. provokes many problems in treatment. Conventionally, extraction of the injured tooth and its prosthodontic restoration has been the treatment of choice. Though orthodontic extrusion could be an alternative treatment, there would be a situation it's inadequate to apply. Loss of natural tooth would be a psychological damage to the patient, of course. This report describes a replantation method of tooth in case of intra-alveolar transverse crown & root fracture. The fractured tooth was extracted, rotated, then replanted. Fixation and esthetic restoration was done. And then endodontic treatment was followed. Continuing follow-up of its function and endodontic status is required.