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김연중(Yun-Jung Kim),박기환(Ki-Hwan Park),강창용(Chang-Yong Kang),김윤형(Yun-Hyung Kim),김한호(Han-Ho Kim),오세익 한국농촌경제연구원 2010 한국농촌경제연구원 기본연구보고서 Vol.- No.-
According to economic development and changes in internal and external economic conditions, the energy consumption structure and consumption by energy source of our country are largely changing. Nevertheless, South Korea depends on imports for most of its energy, because natural energy resources are insufficient, and is very sensitive to energy-related issues. Recently, because the International Convention on Climate Change raised concern about diminishing fossil fuels and global warming, the importance of energy efficiency is increasing. To understand the energy input structure of the agricultural sector in order to prepare for efficient energy management plans, it is necessary to predict energy consumption by main items. For this, input-outpur analysis was conducted. It was found that our agriculture and forestry and fisheries industry consumed 3.79 million tons oil equivalent(toe) in 2007, and the agriculture sector is expanding; on the other hand, the livestock and forestry and fisheries sectors are generally shrinking. The agriculture sector remarkably uses energy for vegetables and flowering plants, and in the case of vegetables, consumption has increased by more than 9%, and even consumption of flowering plants has increased by more than 11% above the annual average. In addition, the energy input coefficient in the agriculture sector decreased by more than 30% compared with 1995, confirming that, in general, dependence on energy is being avoided. The agriculture sector is an industry dependent on energy as a result of the relatively large input coefficient in horticulture. Meanwhile, domestic new renewable energy use in our country is just 2.43% of total consumption of the first energy but has shown a tendency to swiftly increase the supply rate of new renewable energy since 2000; however, consumption in the agriculture sector is mainly oil related compared with other industries, and the consumption of new renewable energy is almost nothing. Nevertheless, the government established a goal of expanding the supply rate level of new renewable energy to 4.3% in 2015, 6.1% in 2020, and 11% in 2030, so the use of new renewable energy is expected to increase even in the agriculture sector in the future. Energy is the most important resource for the entire range of the national economy, and because of the effect of oil price increases, it has become a major interest of agriculture. Therefore, the government is preparing various policies for the efficient use of energy as well as energy saving. Accordingly, it is important to plan energy-related efficient policy by supplying basic data on energy policy establishment in the agriculture sector by analyzing the supply and demand status of clean energy in the agriculture sector along with the potential energy demand of the main agricultural and livestock products.
강창용(Chang Yong Kang),김익수(Ick Soo Kim) 한국열처리공학회 2001 熱處理工學會誌 Vol.14 No.5
N/A This study was carried out to investigate the influence of σ phase on the microstructure and mechanical properties in super duplex stainless steel. The precipitation of σ phase during isothermal heat treatment showed the type S curves with a certain incubation period. The precipitation of a phase was precipitated at ferrite phase and interface of ferrite and austenite. Under the state of isothermal transformation, the precipitation of σ phase was stimulated by applied stress. With increasing of volume fraction of precipitated σ phase, tensile strength was increased and elongation was decreased with linear relationship, while in case of precipitated σ phase was 5% over, impact value was rapidly decreased.
강창용 ( Chang Yong Kang ) 한국환경정책평가연구원 2003 환경정책연구 Vol.2 No.1
The objective of this study is to analyze the problems of disposal and collection, including administrative management of agricultural PE waste and suggest effective management measurements. Information regarding problems of agricultural PE waste management were collected from field survey of farmers, regional governments and officials. On the national level, the low ratio of collection for optimal treatment of agricultural PE waste is a critical problem.〈The problems in the step of farmers` disposal of PE waste are a bottleneck to optimal collection due to seasonal disposal〉, the negative discharging behavior of farmers, an illegal incineration and landfill of farmers and a lack of education and extension etc. An ambiguity of the management principle to agricultural PE waste, the differences in management among the regional governments, a lack of will of the regional governments and officials to realize SARD and lack of education and extension etc. are some of the problems in administrative management of agricultural PE waste collection. The major suggestions of this study are as follows : (1) to strengthen education and extension, (2) to adopt an improved economic incentive system and strong, lawful regulation simultaneously, (3) to use temporang collection and permanent collection site, and (4) to organize "OTC(Optimal Treatment Conference)" composed of farmers, regional cooperative, PE producers etc. for operating an effective management system.
강창용 Kang,Chang-Yong,박현태 Park, Hyun-Tae 한국농촌경제연구원 2007 농촌경제 Vol.29 No.5
Biomass is a renewable resource which implies that it is part of the flow of resources occurring naturally and repeatedly in the environment. The broad spectrum of natural vegetation in its diverse forms and residual deposits from human and animal activities constitute the major sources of biomass.Biomass is the single most important source of energy. It is known that developing countries as a whole derive 35% of their energy from biomass. Those are virtually dependent on biomass for their cooking, heating and lighting. The objective of this study is to grasp the fundamental notions of biomass and the meanings in human activities according to biomass using. And the basic conditions for biomass use promotion are studied.
농림업 후방연관산업의 전략적 발전방안(1~3차연도) 종합 요약집
강창용(Chang-Yong Kang),박현태(Hyun-Tae Park),김수석,박기환,정호근,서대석(Dae-Seok Seo),강성필(Seong-Pil Kang) 한국농촌경제연구원 2014 한국농촌경제연구원 기본연구보고서 Vol.- No.-
농자재와 농업과의 밀접한 관계를 부정할 수 없다. 과거 농업성장의 대부분은 근대화된 농자재의 지원으로 이뤄졌다. 농업 생산성 증대에 농자재가 기여하는 바는 크다. 농자재의 생산유발효과는 차치하더라도 농자재의 공급에 차질이 빚어질 경우 농업의 타격은 크다. 예를 들어 1억 원의 비료공급 차질은 9,300만 원의 농업부분 생산의 감소, 나아가 전 국가경제에 3.3억 원의 생산 감소를 유발한다. 농업의 발전에서 농자재산업이 가지는 중요성에 대한 인식이 강화되고 있다. 하지만 여전히 이들에 대한 연구와 정책적인 관심은 적다. 최근 농림축산식품부에서 농자재와 산업의 중요성을 인정하고 관련된 조직을 만들고 있다. 대단히 고무적인 정책적 결정이다. 그동안 관심의 대상에서 멀어져 있었던 농자재와 산업에 대한 미래 지향적 연구가 3년에 거쳐 진행되어 왔다. 농자재산업과 농업부문의 연계 구조, 농자재산업의 상황, 유통과 소비의 문제 등을 포함한 산업의 발전방안에 대해 연구를 수행하였다. 〈표 본문 참조〉 이 보고서는 그동안 3년에 걸쳐 진행되었던 연구결과를 요약한 것이다. 따라서 대부분 각 보고서의 결론 부분을 합해서 만든 것이라고 보면 틀림이 없다. 연차별로 수행된 과제의 보고서는 총 11권, 연구 과정에서 산출된 연구자료집은 총 14권이다. 3년 동안 25권의 보고서와 자료집이 생산되었다.