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기업간 화물운송 전자문서 표준화를 위한 거래유형 분류에 관한 연구
이주호,윤태호 대한교통학회 2021 대한교통학회 학술대회지 Vol.85 No.-
운송차량 확보 방법에는 직접배차, 주선업체 및 운송업체 계약, 화물운송가맹사업자, 화물정보망 업체를 활용 하는 방법 등 다양하게 나타나고 있으며, 하나의 업체에서도 다양한 형태로 운송거래가 진행되고 있다. 차주관점에서 물량확보방법을 살펴보면, 주선업체, 소속운송회사, 타운송회사, 정보망 등을 통해 진행되는 것으로 나타나며, 물동량이 항상 일정하지 않기 때문에 정기적인 물동량 확보 이외의 경우 다단계형태 또는 정보망 등을 통한 직접 배차 형태로 나타난다. 본 연구에서는 위와같이 다양한 방법의 물류활동에 대한 분류를 통해 표준화 방안을 마련하여 기존 종이 인수증이 사용되고 있는 물류 활동이 전자인수증으로 변모할 수 있는 방안을 찾아내고자 한다.
이주호,변성수,이재은 위기관리 이론과 실천 2010 Crisisonomy Vol.6 No.1
이 연구는 국가적 차원의 국가위기관리연습 통합 실시가 요구되고 있는 가운데, 포괄적 안보 개념 하에서의위기관리정책 변화에 대한 세계적 추세인 통합관리방식이 점차 확대됨에 따라 국가위기관리연습 통합모델을 개발하는데 목적이 있다. 이를 위해 국가 차원의 위기관리 연습 및 훈련에 대한 이론적 검토와 전문가를 대상으로 한AHP 분석을 실시하였다. 연구결과를 토대로 국가위기관리연습 통합모델 구축을 위한 방안으로서 국가위기관리연습의 통합 방향, 국가위기관리연습 통합모델의 훈련 영역 정립, 국가위기관리연습의 통합 및 운영 방안, 국가위기관리연습 관련 법령의 정비 방안 등을 제시하였다.
Separation and Release Devices for Aeronautical and Astronautical Systems: A Review
이주호,한재흥 한국항공우주학회 2025 International Journal of Aeronautical and Space Sc Vol.26 No.1
This review presents an in-depth examination of the advancements, current state, and future trends of separation and release devices in aeronautical and astronautical systems, focusing on their classification into one-point and linear devices as well as the move from pyrotechnic to nonexplosive methods. For one-point separation devices, this review discusses the evolution from traditional explosive bolts, which use high explosives to operate, to nonexplosive actuators such as shape memory alloy devices that offer resettable, low-shock options. It also highlights devices that rely on pyrotechnic initiators without using high explosives as key developments for reducing shock and increasing safety. In the section on linear separation devices, the review examines flexible linear shaped charges and mild-detonating fuses, which are crucial for precise separations such as stage and fairing detachments. Introducing expanding tubes as a new method to avoid the usual debris and damage from pyrotechnics is a big improvement. In addition, the use of clamp-band joint systems for satellite separation, secured by either pyrotechnic bolts or nonexplosive dual-initiator devices, is a common approach. The recent focus on developing pneumatic linear separation devices marks a shift toward systems that can be reused and reduce shock without explosives. Moreover, the emergence of nonexplosive satellite separation systems represents a shift toward safer and more adaptable deployment technologies. These fully mechanical actuation methods facilitate shock-free separations, which are crucial for the integrity of sensitive payloads. This review suggests that continuous innovation in nonexplosive separation technology will significantly change mission planning and system design in the aeronautics and astronautics fields.
이주호,KHANMUHAMMAD EJAZ,Kim Yong-Hoon 나노기술연구협의회 2022 Nano Convergence Vol.9 No.25
While low-dimensional organometal halide perovskites are expected to open up new opportunities for a diverse range of device applications, like in their bulk counterparts, the toxicity of Pb-based halide perovskite materials is a significant concern that hinders their practical use. We recently predicted that lead triiodide (PbI 3 ) columns derived from trimethylsulfonium (TMS) lead triiodide (CH 3 ) 3 SPbI 3 (TMSPbI 3 ) by stripping off TMS ligands should be semime‑ tallic, and additionally ultrahigh negative differential resistance (NDR) can arise from the heterojunction composed of a TMSPbI 3 channel sandwiched by PbI 3 electrodes. Herein, we computationally explore whether similar material and device characteristics can be obtained from other one-dimensional halide perovskites based on non-Pb metal elements, and in doing so deepen the understanding of their mechanistic origins. First, scanning through several candidate metal halide inorganic frameworks as well as their parental form halide perovskites, we find that the germanium triiodide (GeI 3 ) column also assumes a semimetallic character by avoiding the Peierls distortion. Next, adopting the bundled nanowire GeI 3 -TMSGeI 3 -GeI 3 junction configuration, we obtain a drastically high peak current density and ultrahigh NDR at room temperature. Furthermore, the robustness and controllability of NDR signals from GeI 3 -TMSGeI 3 -GeI 3 devices under strain are revealed, establishing its potential for flexible electronics applications. It will be emphasized that, despite the performance metrics notably enhanced over those from the TMSPbI 3 case, these device characteristics still arise from the identical quantum hybridization NDR mechanism.