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이주노동자가 만든 한국 배: 조선 블록업체에 고용된 숙련 이주노동자의 노동경험
김현미,김철효,이규용,주수인 한국문화인류학회 2020 韓國文化人類學 Vol.53 No.3
This article analyzes how the influx of migrant workers and their skill development change the relationship between local and migrant workers in South Korea through a case study of a shipbuilding block constructor located in Daebul Industrial Complex. Korea’s ship–building industry, in the name of a key industry, has been symbolic of national economic development, of which employees have been considered to represent the image of typical male skilled workers. The ship–building industry has employed migrant workers for flexible and low–wage workforces. Today, the migrant workers are irreplaceable, without whom subcontractors in shipbuilding–related manufacturing may not survive. This article examines the changes in the labor relations, wages, and recruitment practices, driven by the influx of migrant workers. Highly skilled migrant workers train and control more flexible multinational workers who are posted by various employers and agencies. Compared with skilled workers of Korean nationality, the skilled migrant workers still experience unequal treatment in wages, job placement, and promotion. This article suggests that the skilled migrant workers play a pivotal role in maintaining the competitiveness of the Korean shipbuilding industries. It also argues the temporary migration–oriented and low– skilled labour–focused migration policy fails to address the reality of the shipbuilding industry. The deportation–centered immigration administration does not help either. This conclusion implies that the current policy should be reconsidered for fundamental changes. 본 논문은 대불공단에 위치한 조선 블록제조업체의 사례 연구를 통해 이주노동자의 유입과 숙련화가 한국인 노동자와 이주노동자의 관계를 어떻게 변화시키고 있는지를 분석한다. 한국의 조선업은 기간산업이란 이름으로 국가 경제 개발의 상징이 되었고, 전형적인 남성 숙련공 중심의 대표 노동자상을 생성해왔다. 급격한 노동 유연화와 임금수준 조절을 위해 고용된 이주노동자는 현재 상시적인 노동력을 제공하고 있으며, 조선업 관련 제조업체는이들 없이는 생산활동이 어려운 상황이다. 본 연구는 이주노동자의 대규모 유입이 작업장의노사 관계, 임금 결정, 인력 충원 등에 어떤 변화를 일으키고 있는지를 분석한다. 사례 기업인 A기업의 블록 제조공정 중 인력 부족률이 높은 도장, 사상, 족장의 경우 이주노동자는 최고의 기량을 가진 숙련 노동자로 팀장 역할을 한다. 이들은 다양한 방식으로 유입된 전 지구적 배치노동자를 훈련하고 통제하며, 인력 수급을 조절하는 역할을 한다. 그런데도 이들은내국인 숙련공에 비해 임금, 공정 배치, 승진 등에서 여전히 차별적인 대우를 받고 있다. 내국인 숙련공의 고령화로 이들이 노동시장에서 퇴장할 경우, 숙련 이주노동자의 유입과 정주화는 조선업의 경쟁력을 지속하는데 관건이 되고 있다. 본 논문은 조선업 현장의 현실을 반영하지 못하는 현재의 단순 노무 인력 중심의 외국인 이주 정책과 불법 체류자 추방 정책에근본적인 변화가 필요함을 시사한다.
만성 부비동염 환아에서 단순 부비동 X선 검 사 소견과 부분적 전산화 단층촬영검사 소견의 비교
김현미,홍수종,김영휘,문형남,홍창의,정경일,최혜영,유시준 대한알레르기학회 1993 천식 및 알레르기 Vol.13 No.2
Assessment of the status of the paranasal sinuses is important in the management of childhood sinusitis. Conventional radiography such as plain PNS view is generally less reliable in accurately evaluating the paranasal sinuses in children. Although slice CT provides superior definition of both intrasinus disease and sinus bony margins, a complete CT examination has the disadvantages of higher cost and radiation dose compared with conventional radiography. We performed a prospective study of 19 children with a clinical history of chronic sinusitis, and compared conventional radiographs with limited CT scans of the paranasal sinuses to determine if plain radiographs can be used to accurately diagnose sinus disease. Sixteen cases were diagnosed as sinusitis involved with more than one sinus, but three cases were normal by CT scans of the sinuses. Out of sixteen cases, maxillary sinus were involved in 14 cases(87.5%), ethmoid sinus 14 cases (87.5%), sphenoid sinus 9 cases(56.3). Compared with CT scan of paranasal sinuses, the false positive and false negative ratio of plain X-ray films were as followed: 35.7% (5/ 14 sinuses) and 9.5% (2/21 sinuses) in maxillary sinuses, 11.1% (1/9 sinuses) and 9.5% (2/ 21 sinuses) in ethmoidal sinuses, 4.5% (1/22 sinuses) and 58.8%(7/12 sinuses) in sphenoid sinuses. So the false positive ratio was high in maxillary sinuses, and the false negative ratio was high in sphenoidal sinuses. Sinusitis in children is often overdiagnosed in the maxillary sinuses and underdiagnosed in the sphenoid sinuses on the basis of findings on plain radiographs of the sinuses. Limited slice CT scans of the paranasal sinuses can be used to evaluate the paranasal sinuses in children with recurrent chronic sinusitis.
김현미,이동은,박수동,김용태,김유진,정지웅,이정희,장성식,정대균,심재훈,허철성 한국식품과학회 2014 Food Science and Biotechnology Vol.23 No.2
Chronic ultraviolet (UV) light causes skinphotoaging, characterized by fine and coarse wrinkleformation and dryness. In this study, the effect of fermentedGelidium amansii and Cirsium japonicum extract mixture(FGCM) with lactic acid bacteria on UVB-inducedphotoaging was evaluated in human dermal fibroblasts andSKH-1 hairless mice. In vitro, FGCM increased type Iprocollagen levels and suppressed UVB-induced matrixmetalloproteinase-1 (MMP-1) expression more effectivelythan G. amansii and C. japonicum extract mixture (GCM). In vivo, oral administration of FGCM significantlyinhibited UVB-induced the number and total depth ofwrinkles in the dorsal skin of mice. FGCM suppressedUVB-induced epidermal thickening, and attenuated UVBinducedMMP-13 expression and MMP-2 and MMP-9activities in dermal tissue. Furthermore, FGCM increasedskin hydration and blocked transepidermal water loss in thedorsal skin of mice compared with the UVB-irradiatedgroup. These data indicate that FGCM exerts potent antiphotoagingactivities by improving wrinkle formation anddryness.
스코폴라민으로 기억손상을 일으킨 알츠하이머 동물모델에서Choline Alfoscerate와 Memantine의 기억력 개선 효과
김현미,강성희,조성완,강보선 대한약학회 2017 약학회지 Vol.61 No.6
Choline alfoscerate (choline alf.) is known to be effective in restoring damaged neurons and increasing acetylcholine(ACh) release between synapses. Memantine is known to be neuroprotective by blocking intracellular entry ofexcess Ca2+ ion. Hence, choline alf. and memantine could be used in combination to improve symptoms of Alzheimer’s disease(AD) by taking advantages of different complementary mechanisms. In this study, we performed ‘water-maze test’ tomeasure the efficacy of choline alf. and memantine on memory improvement of AD animal models by individual or combinedadministration. Memory impaired AD animal model was prepared by intraperitoneal (IP) administration of scopolamine (1 mg/kg). Scopolamine was injected 30 minutes prior to the administration of choline alf. or memantine, then choline alf. (83.3 mg/kg) or memantine (2.08 mg/kg) were orally administrated 3 hours before the behavioral experiments. The significantimprovement in ‘escape latency’ and ‘platform crossing’ were observed in all groups except memantine administrated group. Whereas, the significant improvement in ‘time-in-target-quadrant’ was measured only in the co-administration group of cholinealf. and memantine. The results of present study claim that co-administration of choline alf. and memantine is more effectivein the improvement of memory impairment than the individual administration of choline alf. or memantine.