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제지(製紙) 스럿지 퇴비(堆肥)의 농업적(農業的) 이용연구 - II. 당근에 대(對)한 시용효과
장기운,김상덕,최우영,이규승,Chang, Ki-Woon,Kim, Sang-Deog,Choi, Woo-Young,Lee, Kyu-Seung 한국토양비료학회 1992 한국토양비료학회지 Vol.25 No.2
제지(製紙)스럿지 숙성퇴비(熟成堆)의 비료효과를 알아보기 위해, 생중량(生重量) 기준으로 18%의 돈분(豚糞)과 8% 정도의 톱밥을 포함한 숙성퇴비 1(SMC-1)과 톱밥을 넣지 않고 돈분을 총량의 3분의 1 포함한 숙성퇴비 2(SMC-2)를 준비하여, 화학비료만을 시용한 대조구(對照區)(S-0), 화학비료에 숙성퇴비 1을 10,000kg/ha 더해준 처리구 (S-1구) 및 숙성퇴비 2를 10,000kg/ha 더해준 처리구 (S-2구)의 3가지 처리를 하여, 당근을 공시작물로 하여 수행한 실험의 결과는 다음과 같다. 당근의 생육(生育)에 대한 제지스럿지 숙성퇴비의 시용(施用)은 무시용구(無施用區)와 비교해서 당근 1개당 생근중량(生根重量), 단위면적당 수량을 증가시키는 경향이 있었으며, 질소, 인, 칼륨 및 칼슘 함량은 시용구에서 높았다. 제지스럿지 숙성퇴비 사이의 차이는 생엽중(生葉重), 근경(根徑), 생근중량(生根重量) 및 단위면적당 수확량에 있어 S-2구가 S-1구보다 증가하는 경향이 있었다. 당근중의 함량은 칼륨>칼슘, 질소, 인>마그네슘의 순이었고, 알루미늄, 아연 구리 및 크롬 함량은 식물체 생육에 독성(毒性)을 나타내는 수준보다 낮았으며, 납과 카드늄 함량은 미량(微量)이었다. 이상(以上)의 결과(結果)로 부터 당근에는 무시용구(無施用區)보다는 제지(製紙)스럿지 시용(施用)이 생육에 효과가 있었으며 SMC-2 시용이 SMC-1 시용보다 유리(有利)하였다. This study was carried out to know the effects of two kinds of peper mill sludge manure compost(SMC-1 and SMC-2) on the growth and chemical comments of carrot(Daucus carota L.) : SMC-1 contained 18% of swine manure and 8 % of sawdust on a fresh weight basis and SMC-2 contained swine manure without sawdust a third of the total weight of the manure and S-0(control) was treated with chemical fertilizer only, S-1 and S-2 was with SMC-1 and SMC-2 respectively, in addition to the chemical fertilizer. Carrot treated with S-1 and S-2 showed the increasing tendency of fresh weight per root and fresh yield of carrot per unit area than control(S-0), and the contents of nitrogen(N), phosporus(P), potassium(K) and calcium(Ca) in carrot grown on SMC treatments were higher than those on control(S-0), The S-2 treatment tended to increase values of the fresh weight of live leaves, root diameter, fresh weight per root and fresh yield of carrot per unit area than S-1 treatment. The contents in carrot were higher in the order of K>Ca, N. P>Mg, and the contents of aluminium, zinc, copper and chromium were below the level of toxicity for plant growth, and the contents of cadmium and lead were negligible. From the results obtained, it can be said that SMC application showed favorable effects on the growth of carrot when compared to control(S-0), and with the SMC treatments SMC-2 aplication was favorable.
김상덕,황태성,윤석웅,박병규 대한골절학회 1999 대한골절학회지 Vol.12 No.3
Pilon fracture which is defined as a comminuted intraarticular fracture of distal tibia has been known to be difficult to manage because high axial compression and rotational forces to the ankle joint result in impaction, severe comminution, metaphyseal disruption, and soft tissue trauma. Several authors have reported good results using an AO group treatment principle. However, others have documented less favorable results such as skin slough, wound infection, and osteomyelitis. Recently, satisfactory results were obtained by the treatment with open reduction and fixation using Ilizarov method. We reviewed and analyzed 22 cases of the pilon fracture treated by the two methods O. R. L F. and fixation by Ilizarov method) and compared the results to find out the usefulness of fixation by Ilizarov method, from Feb. 1993 to Mar. 1997 at the Department of Orthopedic Surgery, Seoul Red Cross Hospital. Fixation by Ilizarov method using ligamentotaxis and occasional minimal open reduction was effective for fracture reduction. It also decreased complications such as wound infection, skin necrosis, and osteomyelitis because it didn't need extensive soft tissue dissection. And, it was also useful for severe comminuted fracture, open fracture, and fracture with extensive diaphyseal extension to proximal metaphysis.
김상덕,윤석웅 대한골절학회 2000 대한골절학회지 Vol.13 No.4
Avulsion fracture of the scapula by the indirect trauma, especially avulsion fracture of isolated superior border is very rare. We experienced a case of isolated avulsion fracture of the superior border of the scapula and report the clinical and radiographic findings in detail.
배기 저항의 능동제어를 통한 배기 시스템의 최적화에 관한 연구
임경빈,류봉조,이규섭,김상덕,송시영,이상훈 한밭대학교 생산기반기술연구소 2002 생산기반기술연구소 논문집 Vol.2 No.1
Automobile exhaust system has difficulty in concentrating contrary technology, which has diminishing effect of maximum exhaust noises and mininum exhaust pressure for output efficiency improvement into on system. This thesis has the purpose in management of basis study for silence and output efficiency improvement which can be satisfy low noises and low exhaust pressure at the same time through maximizing engine efficiency dealing with activity as the condition of engine controlling exhaust impedance actively. In this thesis, we obtained positive result by making experiment high efficiency exhaust induced shaped silencer in order to satisfy contrary matters which device the improvement of engine efficiency and low perception of exhaust noises at the same time. That is, we proved that it has more excellent in low perceiving noises of exhaust system and output improving efficiency than existing muffler by active controlling the exhaust impedance.