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근골격계 질환 예방관련 시행규칙(안)의 문제점과 개선방안
이동경 한국안전학회 2003 세이프티 월드 Vol.3 No.1
지난해 12월 30일자로 산업안전보건법이 개정 공포(법률 제 6847호)됨으로써 단순반복작업 또는 중량물 취급 등으로 인한 근골격계질환의 예방을 위한 법적 근거를 마련하게 되었다. 이에 따라, 해당 사업장에서는 무엇을 어떻게 준비를 해야하는지에 대한 구체적 준비사항을 문의해 오고 있으면 근골격계질환 예방 관련 규칙개정(안)에 대한 관심이 매우 높은 상태이다. 따라서, 본 법의 취지대로 사업장에서 근골격계질환 예방을 효율적으로 수행하기 위해서 우선 사업장안전보건 관계자 및 근로자대표가 관련업무에 관해 무엇을 어떻게 수행해야 하는지를 구체적이고 명확하게 알아야만 책임을 지고 예방업무를 수행해 갈 수 있을 것이다.(중략)
Trichophyton tonsurans에 의한 미만성 흑점 두부 백선 1예
이동경,이해웅,장성은,이미우,최지호,문기찬,고재경 대한의진균학회 2005 대한의진균학회지 Vol.10 No.4
"Black dot" tinea capitis is a clinical form of tinea capitis, which is a dermatophytosis of the scalp and associated hair. It is caused by the anthropophilic endothrix organisms. We report a case of black dot tinea capitis caused by Trichophyton(T.) tonsurans in an 18-year-old woman who is a judoist in the college. She had suffered from a diffuse hair loss involving nearly entire scalp hair for 1 year. The scalp lesion showed diffuse multiple black dots with minimal inflammatory sign or scales. KOH examination revealed arthroconidia of endothrix pattern. On mycological studies, T. tonsusrans was identified. She was treated with oral itraconazole pulse therapy (2 cycles) and ketoconazole shampoo.
Experimental Investigation of Laser Spot Welding of Ni and Au-Sn-Ni Alloy
이동경 대한용접접합학회 2017 대한용접·접합학회지 Vol.35 No.2
Many microelectronic devices are miniaturizing the capacitance density and the size of the capacitor. Along with this miniaturization of electronic circuits, tantalum (Ta) capacitors have been on the market due to its large demands worldwide and advantages such as high volumetric efficiency, low temperature coefficient of capacitance, high stability and reliability. During a tantalum capacitor manufacturing process, arc welding has been used to weld base frame and sub frame. This arc welding may have limitations since the downsizing of the weldment depends on the size of welding electrode and the contact time may prevent from improving productivity. Therefore, to solve these problems, this study applies laser spot welding to weld nickel (Ni) and Au-Sn-Ni alloy using CW IR fiber laser with lap joint geometry. All laser parameters are fixed and the only control variable is laser irradiance time. Four different shapes, such as no melting upper workpiece, asymmetric spherical-shaped weldment, symmetric weldment, and, excessive weldment, are observed. This shape may be due to different temperature distribution and flow pattern during the laser spot cutting.