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IGBT 직렬 연결을 위한 턴-오프 게이트 구동기법
김완중, 최창호, 현동석 전력전자학회 전력전자학회 논문지 6 Pages
전력전자학회 전력전자학회 논문지 1999, Vol.4 No.1 99-104 (6 pages)
최근 산업이 대규모화함에 따라 고압 전력 변환 장치의 필요성이 증가하고 있고, 이에 따라 전력용 반도체 소자의 직렬 구동이 많이 이용되고 있다. 소자의 직렬 구동은 소자간에 적절한 전압 분배가 이루어져 개별 소자에 정격이상의 과전압이 인가되는 것을 방지하는 것이 큰 관건이다. 또한 고전압 회로에서는 부유 인덕턴스에 의한 소자의 과전압도 방지하여야 한다. 본 논문에서는 직렬 연결된 IGBT의 턴-오프 과도상태시 컬렉터 전압 기울기 조절로 안정된 전압 분배와 과전압을 방지하는 새로운 게이트 구동기법을 제안한다.... -
Antimicrobial Cyclic Peptides for Plant Disease Control
한국식물병리학회 The Plant Pathology Journal 11 Pages
한국식물병리학회 The Plant Pathology Journal 2015, 31권 1호 1 1-11 (11 pages)
Antimicrobial cyclic peptides derived from microbes bind stably with target sites, have a tolerance to hydrolysis by proteases, and a favorable degradability under field conditions, which make them an attractive proposition for use as agricultural fungicides. Antimicrobial cyclic peptides are classified according to the types of bonds within the ring structure; homodetic, heterodetic, and complex cyclic peptides, which in turn reflect diverse physicochemical features. Most antimicrobial cyclic... -
Comparison of rhythmic and non-rhythmic aerobic exercises on depression and balance in the elderly
Il-Ho Kwon, Jun-Young Song, Do-Ye Kim, Je-Yeong Son, Yu-Jin Shim, Won-Seob Shin 물리치료재활과학회 Physical Therapy Rehabilitation Science 6 Pages
물리치료재활과학회 Physical Therapy Rehabilitation Science 2017, 제 6권 제 3호 7 146-151 (6 pages)
Objective: The purpose of this study was to investigate the effects rhythmic and non-rhythmic aerobic exercises on depression and balance of healthy elderly people. Design: Randomized controled trial. Methods: Nineteen older subjects were randomly divided into 2 groups for rhythmic and non-rhythmic aerobic exercises. Both aerobic exercises consisted of functional movements such as turning in opposite directions, and running in place, the exercise consisted of movements that could activate... -
The effect of Schroth’s three-dimensional exercises in combination with respiratory muscle exercise on Cobb’s angle and pulmonary function in patients with idiopathic scoliosis
Min-Jae Kim, Dae-Sung Park 물리치료재활과학회 Physical Therapy Rehabilitation Science 7 Pages
물리치료재활과학회 Physical Therapy Rehabilitation Science 2017, 제 6권 제 3호 2 113-119 (7 pages)
and functional movement screen (FMS). Design: Randomized controlled trial. Methods: Fifteen subjects with scoliosis were randomly assigned to two groups. Eight subjects were assigned to the experimental group and seven subjects were assigned to the control group. The experimental group underwent SERME using SpiroTiger (Idiag, Switzerland), while the control group performed only the Schroth’s three-dimensional exercises (SE). Both groups performed exercises for one hour per day, three times a we... -
The effects of performing a one-legged bridge with use of a sling on trunk and gluteal muscle activation
Min-kwon Cho, Jong-woo Bak, Yi-jung Chung 물리치료재활과학회 Physical Therapy Rehabilitation Science 8 Pages
물리치료재활과학회 Physical Therapy Rehabilitation Science 2016, 제 5권 제 2호 3 70-77 (8 pages)
Objective: The purpose of this study was to compare the activation of trunk and gluteal muscles during bridge exercises with a sling (BS), single-legged bridge exercise with a sling (SBS), single-legged bridge exercise (SB), and general bridge exercise (GB). Design: Cross-sectional study. Methods: Twenty-five healthy participants (19 males and 6 females, aged 27.8 [4.78]) voluntarily participated in this study. In the bridging exercise, each subject lifted their pelvis with their legs and feet... -
Effects of sit-to-stand imagery group training on balance performance in individuals with chronic hemiparetic stroke
Jeong-won Lee, Su-jin Hwang, Sin-ae Ahn 물리치료재활과학회 Physical Therapy Rehabilitation Science 7 Pages
물리치료재활과학회 Physical Therapy Rehabilitation Science 2016, 제 5권 제 2호 2 63-69 (7 pages)
total of 30 people with chronic hemiparetic stroke (15 for STS-IGT group and 15 for control) were recruited in this study. The STS-IGT group participated in a videotape-based STS-IGT for 30 minutes a day, five days a week for six weeks, while the control group watched a documentary on television for the same period. The STS-IGT focused on a five-stage protocol. Specifically, external imagery was used during the four phases of the STS movement from the seat of the chair to standing up. All of the... -
The effects of motor imagery training on brain waves in persons post-stroke
Hyang-Woon Yoon, Seong-Sik Kim 물리치료재활과학회 Physical Therapy Rehabilitation Science 10 Pages
물리치료재활과학회 Physical Therapy Rehabilitation Science 2015, 제 4권 제 1호 1 1-10 (10 pages)
a first-time stroke participated in the study. All patients were randomly assigned to one of two groups: (1) MIT group (n=12) and (2) control group (n=12). The MIT group participated in a total of 30 minutes of motor imagery (MI) on each of 18 tasks related to their daily living over the course of four weeks. Provided video images before training of MI were discussed and decided by a professor of occupational therapy, occupational therapists and physical therapist. For the MIT group, during each... -
Tick-borne rickettsial pathogens in questing ticks, removed from humans and animals in Mexico
Carolina G. Sosa-Gutierrez, Margarita Vargas-Sandoval, Javier Torres, Guadalupe Gordillo-P?rez 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2016, 제 17권 제 3호 12 353-360 (8 pages)
Tick-borne rickettsial diseases (TBRD) are commonly encountered in medical and veterinary clinical settings. The control of these diseases is difficult, requiring disruption of a complex transmission chain involving a vertebrate host and ticks. The geographical distribution of the diseases is related to distribution of the vector, which is an indicator of risk for the population. A total of 1107 were collected by tick drag from forests, ecotourism parks and hosts at 101 sites in 22 of the 32... -
Laparoscopic ovariectomy in dogs: comparison between laparoendoscopic single-site and three-portal access
Angelo E. Tapia-Araya, Idoia D?az-G?emes Martin-Portugu?s, Laura Fresno Bermejo, Francisco Miguel S?nchez-Margallo 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2015, 제 16권 제 4호 17 525-530 (6 pages)
This study was conducted to evaluate the feasibility and therapeutic safety of laparoendoscopic single-site ovariectomy (LESS-OVE) and 3-portal laparoscopic ovariectomy (Lap-OVE) in dogs. Ten female mixed breed dogs were included in the study. Dogs were divided into group 1 (LESS-OVE; n = 5) and group 2 (Lap-OVE; n = 5). All procedures were performed by laparoscopic-skilled surgeons, and the anesthetic protocol was the same for all patients. In both groups, the ovarian vascular pedicle and... -
Antepartal insulin-like growth factor concentrations indicating differences in the metabolic adaptive capacity of dairy cows
Marion Piechotta*, Lars Holzhausen, Marcelo Gil Araujo, Maike Heppelmann, Anja Sipka, Chistiane Pfarrer, Hans-Joachim Schuberth, 대한수의학회 Journal of Veterinary Science 10 Pages
대한수의학회 Journal of Veterinary Science 2014, 제 15권 제 3호 2 343-352 (10 pages)
Cows with different Insulin-like Growth Factor-I (IGF-I) concentrations showed comparable expression levels of hepatic growth hormone receptor (GHR). Suppressor of cytokine signaling 2 (SOCS2), could be responsible for additional inhibition of the GHR signal cascade. The aims were to monitor cows with high or low antepartal IGF-I concentrations (IGF-I or IGF-I), evaluate the interrelationships of endocrine endpoints, and measure hepatic SOCS2 expression. Dairy cows (n = 20) were selected (240 to... -
Efficacy of nano-hydroxyapatite prepared by an aqueous solution combustion technique in healing bone defects of goat
Samit Kumar Nandi, Biswanath Kundu*, Samir Kumar Ghosh, Dipak Kumar De, Debabrata Basu 대한수의학회 Journal of Veterinary Science 10 Pages
대한수의학회 Journal of Veterinary Science 2008, 제 9권 제 2호 9 183-192 (10 pages)
of the bone defect was almost indistinguishable from the control group, in which the defect was more or less similar, although the newly formed bony tissue was more organized when HAp was used. Histologic methods showed complete normal ossification with development of Haversian canals and well-defined osteoblasts at the periphery in group II, whereas the control group had moderate fibro-collagenization and an adequate amount of marrow material, fat cells, and blood vessels. An oxytetracycline... -
Excitability scores of goats administered ascorbic acid and transported during hot-dry conditions
J. O. Ayo, N. S. Minka, M. Mamman1 대한수의학회 Journal of Veterinary Science 5 Pages
대한수의학회 Journal of Veterinary Science 2006, 제 7권 제 2호 6 127-131 (5 pages)
after, and 3 h after 8 h of transportation. A score of one to four was allocated to each goat; higher scores represent greater excitability. Immediately after transportation, excitability scores decreased significantly, especially those of control goats (p < 0.001). At 3 h posttransportation, the excitability scores of animals in the experimental group were not significantly (p>0.05) different from their pre-transportation normal values, whereas those of control goats were significantly lower (p... -
Effect of β -mercaptoethanol or epidermal growth factor supplementation on in vitro maturation of canine oocytes collected from dogs with different stages of the estrus cycle
Min Kyu Kim, Yuda Heru Fibrianto, Hyun Ju Oh, Goo Jang, Hye Jin Kim, Kyu Seung Lee, Sung Keun Kang, Byeong Chun Lee, Woo Suk Hwa 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2004, 제 5권 제 3호 11 253-258 (6 pages)
Supplementation of β-mercaptoethanol (β-ME) in in vitro maturation (IVM) medium was shown to improve embryo development and quality in several species. Epidermal growth factor (EGF) was also shown to improve IVM of human oocyte and embryo development after in vitro fertilization (IVF). The effect of these two compounds were suggested to be mediated through the synthesis of glutathione (GSH) which is known to play an important role in protecting the cell or embryos from oxidative damage. Thus,... -
Alteration of Striatal Tetrahydrobiopterin in Iron-Induced Unilateral Model of Parkinson’s Disease
BijayAryal, Jin-KooLee, , HakRimKim, , Hyung-GunKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2014, Vol.18 No.2 6 129-134 (6 pages)
It has been suggested that transition metal ions such as iron can produce an oxidative injuries to nigrostriatal dopaminergic neurons, like Parkinson’s disease (PD) and subsequent compensative increase of tetrahydrobiopterin (BH4) during the disease progression induces the aggravation of dopaminergic neurodegeneration in striatum. It had been established that the direct administration of BH4 into neuron would induce the neuronal toxicity in vitro. To elucidate a role of BH4 in patho-genesis in... -
Changes in Phosphate Transporter Activity Evaluated by Phosphonoformic Acid Binding in Cadmium-Exposed Renal Brush-Border Membranes
JinMoChung, DoWhanAhn, KyoungRyongKim, YangSaengPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.5 8 513-519 (7 pages)
Direct exposure of renal tubular brush-border membranes (BBM) to free cadmium (Cd) causes a reduction in phosphate (Pi) transport capacity. Biochemical mechanism of this reduction was investigated in the present study. Renal proximal tubular brush-border membrane vesicles (BBMV) were isolated from rabbit kidney outer cortex by Mg precipitation method. Vesicles were exposed to 50∼200 μM CdCl2 for 30 min, then the phosphate transporter activity was determined. The range of Cd concentration... -
The Membrane-Bound Protein, MoAfo1, Is Involved in Sensing Diverse Signals from Different Surfaces in the Rice Blast Fungus
Md Abu Sadat, Joon-Hee Han, Seongbeom Kim, Yong-Hwan Lee, Kyoung Su Kim, Jaehyuk Choi 한국식물병리학회 The Plant Pathology Journal 12 Pages
한국식물병리학회 The Plant Pathology Journal 2021, 37권 2호 1 87-98 (12 pages)
To establish an infection, fungal pathogens must recog- nize diverse signals from host surfaces. The rice blast fungus, Magnaporthe oryzae, is one of the best models studying host-pathogen interactions. This fungus recog- nizes physical or chemical signals from the host surfac- es and initiates the development of an infection struc- ture called appressorium. Here, we found that protein MoAfo1(appressorium formation, MGG_10422) was involved in sensing signal molecules such as cutin mono- mers and... -
Controlling Botrytis elliptica Leaf Blight on Hybrid Lilies through the Application of Convergent Chemical X-ray Irradiation
한국식물병리학회 The Plant Pathology Journal 8 Pages
한국식물병리학회 The Plant Pathology Journal 2016, 32권 2호 1 77-84 (8 pages)
2014 and 108 cut lilies in 2015. Chlorophyll content was not affected by either 200 Gy or 150 Gy of X-rays. The number of days of fully opened flowers at Siberia of 150 Gy and Le Revu of 200 Gy increased by 1–2 days. In addition, the relative fresh weights of the X-rayed flowers were 10% drier than the non-irradiated controls. Overall, leaf blight control by X-ray was inferior to the control by gamma rays, and petal color was bleached in Sorbonne and Le Reve cvs. by 150 Gy of X-rays. -
Identification of a Gene Encoding Adenylate Kinase Involved in Antifungal Activity Expression of the Biocontrol Strain Burkholderia pyrrocinia CH-67
한국식물병리학회 The Plant Pathology Journal 8 Pages
한국식물병리학회 The Plant Pathology Journal 2012, 28권 4호 4 373-380 (8 pages)
Burkholderia pyrrocinia CH-67 is a biocontrol bacterium with strong antifungal activity against several plant pathogenic fungi. Transposon mutagenesis was performed to identify the genes responsible for the antifungal activity of B. pyrrocinia CH-67. Of the 2,500 mutants tested using the Fulvia fulva spore screening method, a mutant deficient in antifungal activity, M208, was selected. DNA sequence analysis of the transposon-inserted region revealed that a gene encoding an adenylate...
