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      • KCI등재

        두경부 종양으로 내원한 과립구성 육종 치험 1예

        심상열,강창우,유찬기,김태헌 대한이비인후과학회 2007 대한이비인후과학회지 두경부외과학 Vol.50 No.4

        primarily in patients with acute myelogenous leukemia (AML). The gra-nulocytic sarcoma can arise before, concurrent with, or following acute myeloid leukemia. This tumor can be rarely represented as the initial presentation of acute myeloid leukemia without any signs or symptoms of leukemia. Granulocytic sarcoma, rarely, can also occur in unexpected regions, including the head and neck. This tumor is very often misdiagnosed as a malignant lymph-oma which leads to inappropriate treatment and poor outcome. Therefore, clinical, histopathological and immumohistochemical findings should be evaluated before any diagnosis of malignant lymphoma. We report, with a brief review of literature, a case of granulocytic sarcoma presenting as a head and neck neoplasm. (Korean J Otolaryngol 2007 ;50 :362-5)

      • 잔디空間의 土壤環境改善에 關한 硏究

        沈相烈,嚴鵬勳 청주대학교 산업과학연구소 1984 産業科學硏究 Vol.2 No.2

        Lawn areas in this country do not sustain the usage load because of poor soil environment, therefore multiple functions of lawn areas are limited and prohibited. This study aims to discuss the turfgrass damage by trampling and prepare the systems for the improvement of soil environment. The results are as follows 1) The soil composed of high clay content is not proper for turfgrass because of easy soil compaction. 2) The proper proposition between capillary and noncapillary pores makes the soil environment good for furfgrass growth. 3) The systems for turfgrass rootzone construction, maintenance, and use control according to the type of lawn areas are urgently asked to improve the soil environment and accomodate intense use.

      • KCI등재

        산업연관분석의 중간투입유발에 대한 해석 연구

        심상열,김윤경 한국은행 2016 經濟分析 Vol.22 No.3

        Many studies recognize the simple multiplier to be important for the estimation of direct and indirect effects, i.e., total effects. The usual analysis of total effects uses the final demand as a source of generating them, where all sectors’ total input requirements of each product are added to be equivalent to the sum of all sectors’ direct inputs of the said product. On the contrary, it is not quite common to utilize total effects of the gross output representing production activity. Depending on business projects and objectives of the research, however, the gross output needs to be considered as a generating source instead of the final demand. This study clarifies the concept and the correct usage of total input requirements, which helps avoid potential confusion about total effects derived from the final demand, the gross output or the output of a specific industry. The results of this study shows that Sancho (2012) derives the right multiplier for total input requirements of the gross output in view of the basic structures of the input-output model. Sancho’s multiplier is consistent with total input requirements calculated under the condition of equality between total inputs (or production) and total demand. It also includes all the necessary and sufficient inputs, directly and indirectly, to produce one unit of a specific commodity. This study proposes an exogenous industry method to derive Sancho’s multiplier where all the input demand of a specific industry is treated as exogenous constants. In the exogenous model, however, the source of generating total requirements should include the final demand and the derived input demand for the commodity produced in the exogenous industry. 유발효과를 추정하는 많은 연구들이 유발계수를 이용하면서 유발계수를 중요하게 인식하고 있다. 최종수요의 유발효과분석은 유발원인자로 최종수요를 사용하며, 여기에서 추정한 제품별 중간투입유발 총액은 산업별로 투입된 제품별 중간재 직접 투입 총액과 동일하다. 최종수요의 유발과는 달리 생산활동인 총부분산출(gross output)의 유발은 일반적으로 사용하지 않는다. 그러나 분석 대상이나 목적에 따라서는 최종수요의 유발효과가 아니라, 총부분산출의 생산유발효과를 고려해야 할 때가 있다. 이에 본 연구에서는 중간투입유발의 개념을 검토하고, 최종수요, 총부분산출, 특정 산업 산출액의 중간투입유발 개념을 비교하였다. 연구 결과에 따르면 총부분산출을 고려할 때에는 산업연관표의 투입액(산출액)은 총수요액과 동일해야 하고, 특정 제품을 생산하기 위하여 직접적으로 투입되는 중간재의 연쇄적 생산구조를 고려하고 있다는 점에 근거하여 Sancho (2012)가 도출한 유발계수를 이용하는 것이 적합하다. 그리고 특정산업의 외생화방법으로 총부분산출의 중간투입유발계수를 도출하는 방법의 하나로서 특정 산업의 모든 중간투입을 최종수요로 외생화하는 방법을 제안하였다. 유발액과 유발원인자의 관계를 검토하여 총부분산출의 중간투입유발액을 산정할 때에 유발원인자는 해당부문의 최종수요와 자기 중간투입유발액을 합한 값이어야 한다.

      • KCI우수등재

        축구경기장 잔디의 답압류도분포에 관한 연구

        심상열,조동범 한국조경학회 1985 韓國造景學會誌 Vol.13 No.1

        In this study, the distribution of players on a soccer field was investigated with slide -photos in order to suggest a basic data for the athletic turf maintenance and construction. The results of this investigation may be summarized as follows. 1) There's a tendency that trampling frequency per grid (32.23m$^2$)of a soccer field gradually increases from the corner area to the center. Especially the area around goal and center-circle get the highest frequency. 2) Trampling numbers per grid show the similar tendency to trampling fequency. And the grid around the goal get the highest trampling number per grid.(6.52 times/32.23m$^2$). 3) The extent of the damage to the athletic turf per grid also show the similar tendency to the foregoing results. Under such extent of the damage to the athletic turf as these, the method of the turf maintenance and construction will be made.

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