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趙將鎬,文在裕 한국잠사학회 1987 한국잠사곤충학회지 Vol.29 No.1
This study was carried out to investigate the effects of climatic conditions on the budding of buds and the growth of shoots of mulberry (Morus alba L.) at Suwon for the period of six years from 1978 to 1983. The results are summarized as follows. 1. The period that influenced most greatly on mulberry budding and foliating of it's buds was from late part of March to middle part of April in the district of Suwon, Korea. 2. Temperatures in soil 20cm deep during the period from late part of March to middle part of April had high correlations with budding dates. 3. It was disclosed that the budding date had high correlations with the date of bud shaped swallow-bill (r=0.9861**), date of the first leaf (r=0.9861**), date of the third leaf (r=0.97**) , and date of the fifth leaf (r=0.96**), respectively. 4. The higher the average temperature of April became, the longer the length of shoots became. 5. The earlier the budding date and foliating date came, the larger the leaf yield became. However, with excessive amount of precipitation after early budding and foliating, the leaf yield was not increased in proportional. 6. The longer the growing period of the shoots became, the larger the leaf yield became.
물리적 인간-로봇 상호작용을 위한 수동적 제어기의 설계
조장호,신민기,김기영,우현수,Maxim Kristalny 제어·로봇·시스템학회 2022 제어·로봇·시스템학회 논문지 Vol.28 No.10
In this paper, we study the problem of control design for physical human–robot interactions. By exploring the general topology of the given control problem, we propose a generic control architecture (TDA) based on 2DOF Youla-based control. Compared to the inherent properties and tradeoffs of classical admittance control, the proposed TDA enhances nominal performance while guaranteeing coupled-stability conditions. The proposed control design method is demonstrated with numerical simulations and experiments. .
Dimethyl methylphosphonate(DMMP) 흡착용 첨착활성탄 제조 및 흡착성능
조장호,안호근,윤현준,이경민,김수빈,이명석,진용옥 한국공업화학회 2016 한국공업화학회 연구논문 초록집 Vol.2016 No.0
화생방 대피시설의 공기정화에 사용하는 입자가스 여과기는 화생방 가스로부터 대피시설 내의 인원 피해가 최소화되도록 일정 기준 이상의 성능을 가진 제품을 사용해야 하나, 국내에서 사용하는 대피시설용 여과기는 모든 조건을 만족하지 못하는 것으로 나타났다. 이에 따라 미 국방규격에서 제시된 활성탄 수명 시험 조건에 충족할 수 있는 첨착활성탄의 개발이 필요하다. 본 연구에서 사용한 활성탄은 야자계 활성탄(8×30mesh)이었고, 함침법으로 필요한 금속성분을 첨착하였다. 활성탄 정제, 함침용액 제조방법, 함침방법, 건조방법 및 소성방법 등의 조건을 변경하여 제조하였다. 이렇게 제조한 첨착활성탄의 DMMP 흡착성능은 GC가 장착된 기상흐름 흡착장치를 사용하여 평가하였으며, 산출된 데이터 값을 파과곡선으로 나타내었다. 활성탄을 증류수로 정제한 것보다 질산으로 정제하여 첨착활성탄을 제조할 경우와 제조된 첨착활성탄을 250℃로 소성한 첨착활성탄이 높은 DMMP 흡착성능을 나타냈다. 자세한 첨착활성탄 제조방법 및 소성에 따른 상용제품과 비교한 파과곡선 등은 포스터를 통해 제시하고자 한다.
조장호,이상곤,조원일,김영채,이성철,이주성,문세기 ( Jang Ho Jo,Sang Gon Lee,Won Il Cho,Young Chai Kim,Sung Chul Yi,Ju Seong Lee,Sei Ki Moon ) 한국공업화학회 1997 공업화학 Vol.8 No.6
알칼리형 연료전지용 라니니켈 수소극에서 카본블랙이 전극 성능 및 촉매층 구조에 미치는 영향을 전기화학적 방법과 질소 흡착법 등을 이용하여 조사되었다. 본 연구에서 라니니켈 수소극 촉매층의 최적 카본블랙 함량은 2wt% 였다. 카본블랙의 첨가는 한계전류밀도를 증가시켰으며, 이는 기액접촉면적의 증가에 기인한 것으로 사료된다. 또한 한계전류밀도에서의 속도결정단계는 수소가 기액접촉면에서 녹는 단계일 가능성이 높은 것으로 조사되었다. The effects of carbon black on the electrodes performance and on the structure of the catalyst layer in Raney nickel hydrogen electrodes for alkaline fuel cells were investigated by using electrochemical and nitrogen adsorption methods. The optimum content of carbon black in the catalyst layer of Raney nickel hydrogen electrode was 2wt%. The limiting current density was increased by the addition of carbon black due to the enlargement of gas-liquid interface area. The rate determining step at the limiting current density was supposed to be a step where hydrogen dissolves at gas-liquid interfaces.
조장호,임재윤,최아란,최성민,김종원,최승호,조재용 대한암학회 2015 Cancer Research and Treatment Vol.47 No.4
Purpose This study was conducted to validate the survival benefit of metastasectomy pluschemotherapy over chemotherapy alone for treatment of Krukenberg tumors from gastriccancer and to identify prognostic factors for survival. Materials and MethodsClinical data from 216 patients with Krukenberg tumors from gastric cancer were collected. Patients were divided into two arms according to treatment modality: arm A, metastasectomyplus chemotherapy and arm B, chemotherapy alone. ResultsOverall survival (OS) was significantly increased in arm A relative to arm B for patients initiallydiagnosed with stage IV gastric cancer (18.0 months vs. 8.0 months; p < 0.001) and thosewith recurrent Krukenberg tumors (19.0 months vs. 9.0 months; p=0.002), respectively. Metastasectomy (hazard ratio [HR], 0.458; 95% confidence interval [CI], 0.287 to 0.732;p=0.001), signet-ring cell pathology (HR, 1.583; 95% CI, 1.057 to 2.371; p=0.026), andperitoneal carcinomatosis (HR, 3.081; 95% CI, 1.610 to 5.895; p=0.001) were significantprognostic factors for survival. ConclusionMetastasectomy plus chemotherapy offers superior OS when compared to palliativechemotherapy alone in gastric cancer with Krukenberg tumor. Prolonged survival appliesto all patients, regardless of gastric cancer stage. Metastasectomy, signet-ring cell pathology,and peritoneal carcinomatosis were prognostic factors for survival. Future prospectiverandomized trials are needed to confirm the optimal treatment strategy for Krukenbergtumors from gastric cancer.