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- 대한기계학회론문집. TRANSACTIONS OF THE KOREAN SOCIETY OF MECHANICAL ENGINEERS. A. A(2)
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전체 선택해제
총 59건 검색
본문검색 결과만 보기
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An Improved Friction Model and Its Implications for the Slip, the Frictional Energy, and the Cornering Force and Moment of Tires
Park. K.S., Oh. C.W., Kim. T.W., Jeong. Hyun-Yong, Kim. Y.H. 대한기계학회 Journal of mechanical science and technology 11 Pages
대한기계학회 Journal of mechanical science and technology 2006, Vol.20 No.9 1399-1409 (11 pages)
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Pathology of non-thermal irreversible electroporation (N-TIRE)-induced ablation of the canine brain
John H. Rossmeisl Jr., Paulo A. Garcia, John L. Roberston, Thomas L. Ellis, Rafael V. Davalos 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2013, 제 14권 제 4호 9 433-440 (8 pages)
N-TIRE ablation resulted in focal regions of severe cytoarchitectural and blood-brain-barrier disruption. Lesion size correlated to the intensity of the applied electrical field. N-TIRE-induced lesions were characterized by parenchymal necrosis and hemorrhage; however, large blood vessels were preserved. A transition zone containing parenchymal edema, perivascular inflammatory cuffs, and reactive gliosis was interspersed between the necrotic focus and normal neuropil. Apoptotic labeling indices... -
Phytotherapeutic effects of Echinacea purpurea in gamma-irradiated mice
Amira M. K. Abouelella, Yasser E. Shahein*, Sameh S. Tawfik, Ahmed M. Zahran 대한수의학회 Journal of Veterinary Science 12 Pages
대한수의학회 Journal of Veterinary Science 2007, 제 8권 제 4호 5 341-352 (12 pages)
Echinacea (E.) purpurea herb is commonly known as the purple coneflower, red sunflower and rudbeckia. In this paper, we report the curative efficacy of an Echinacea extract in ■-irradiated mice. E. purpurea was given to male mice that were divided into five groups (control, treated, irradiated, treated before irradiation & treated after irradiation) at a dose of 30 mg/kg body weight for 2 weeks before and after irradiation with 3 Gy of ■-rays. The results reflected the detrimental... -
Phellodendron amurense and Its Major Alkaloid Compound, Berberine Ameliorates Scopolamine-Induced Neuronal Impairment and Memory Dysfunction in Rats
BombiLee, BongjunSur, InsopShim, HyejungLee, Dae-HyunHahm 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 11 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2012, Vol.16 No.2 1 79-89 (11 pages)
We examine whether Phellodendron amurense (PA) and its major alkaloid compound, berberine (BER), improved memory defects caused by administering scopolamine in rats. Effects of PA and BER on the acetylcholinergic system and pro-inflammatory cytokines in the hippocampus were also investigated. Male rats were administered daily doses for 14 days of PA (100 and 200 mg/kg, i.p.) and BER (20 mg/kg, i.p.) 30 min before scopolamine injection (2 mg/kg, i.p.). Daily administration of PA and BER improved... -
Antinociception Effect and Mechanisms of Campanula Punctata Extract in the Mouse
Soo-HyunPark, Yun-BeomSim, Soon-SungLim, Jin-KyuKim, Jin-KooLee, Hong-WonSuh 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 5 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2010, Vol.14 No.5 6 285-289 (5 pages)
In the present study, the antinociceptive profiles of Campanula punctata extract were examined in ICR mice. The Campanula punctata contain a large dose of saponin. Campanula punctata extract administered orally (200 mg/kg) showed an antinociceptive effect as measured by the tail-flick and hot-plate tests. In addition, Campanula punctata extract attenuated the writhing numbers in the acetic acid-induced writhing test. Furthermore, the cumulative nociceptive response time for intrathecal (i.t.)... -
R-type Calcium Channel Isoform in Rat Dorsal Root Ganglion Neurons
ZhiFang, JaeHongHwang, JoongSooKim, SungJunJung, SeogBaeOh 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 5 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2010, Vol.14 No.1 7 45-49 (5 pages)
R-type Cav2.3 high voltage-activated Ca2+ channels in peripheral sensory neurons contribute to pain transmission. Recently we have demonstrated that, among the six Cav2.3 isoforms (Cav2.3a∼Cav2.3e), the Cav2.3e isoform is primarily expressed in trigeminal ganglion (TG) nociceptive neurons. In the present study, we further investigated expression patterns of Cav2.3 isoforms in the dorsal root ganglion (DRG) neurons. As in TG neurons, whole tissue RT-PCR analyses revealed the presence of two... -
Enhanced Expression of Inducible Nitric Oxide Synthase May Be Responsible for Altered Vascular Reactivity in Streptozotocin-induced Diabetic Rats
JaeKwonJang, YoungJinKang, HanGeukSeo, SookJaeSeo, KiChurlChang 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.4 2 375-382 (8 pages)
Growing evidence indicates that enhanced generation or actions of nitric oxide (NO) are implicated in the pathogenesis of hypertension in spontaneously hypertensive rats and diabetic nephropathy in streptozotocin (STZ)-induced diabetic rats. We investigated whether inducible nitric oxide synthase (iNOS) expression in STZ-induced diabetic rats is responsible for the alterations of vascular reactivity. Diabetic state was confirmed 28 days after injection of STZ (i.p) in rats by measuring blood... -
Selective Cytotoxicity of a Novel Platinum (II) Coordination Complex on Human Gastric Cancer Cell Lines and Normal Kidney Cells
Jee-ChangJung, Young-KyuKim, Sung-VinYim, Seung-JoonPark, Joo-HoChung, Sung-GooChang, Kyung-TaeLee, Young-SooRho 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.3 6 283-291 (9 pages)
We have synthesized novel platinum (II) coordination complex containing cis-1,2-diaminocyclohexane (DACH) as a carrier ligand and 1,2-bis(diphenylphosphino)ethane (DPPE) as leaving group. Furthermore, nitrate was added to improve the water-solubility. A new series of [Pt(cis-DACH)(DPPE)]·2NO3 (PC) was evaluated its antitumor activity on various MKN-45 human gastric adenocarcinoma cell-lines and normal primary cultured kidney cells. The new platinum complex demonstrated high efficacy in the... -
The Effects of Sera from Amyotrophic Lateral Sclerosis Patients on Neuromuscular Transmission and Calcium Channels in Mice
HaiDunYan, JimokKim, SungJunJung, JunKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 17 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1999, Vol.3 No.1 13 101-117 (17 pages)
Amyotrophic lateral sclerosis (ALS) is a degenerative neuromuscular disease of unknown etiology in which the upper and lower motor neurons are progressively destroyed. Recent evidences support the role of autoimmune mechanisms in the pathogenesis of ALS. This study investigated the effects of sera from ALS patients on neuromuscular transmission in phrenic nerve-hemidiaphragm preparations and on calcium currents of single isolated dorsal root ganglion (DRG) cells in mice. Mice were injected with... -
Decrease in Ca2+ Storage in the Cardiac Sarcoplasmic Reticulum of Diabetic Rat
Won-TaeKim, HaeWonKim, Young-KeeKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1998, Vol.2 No.6 9 725-732 (8 pages)
In order to elucidate the molecular mechanism of the intracellular Ca2 overload frequently reported from diabetic heart, diabetic rats were induced by the administration of streptozotocin, the membrane vesicles of junctional SR (heavy SR, HSR) were isolated from the ventricular myocytes, and SR Ca2 uptake and SR Ca2 release were measured. The activity of SR Ca2-ATPase was 562⁑14 nmol/min/mg protein in control heart. The activity was decreased to 413⁑30... -
Roles of Na+-Ca2+ Exchange in the Negative Force-Frequency Relationship
ChangMannKoSoonJinKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1998, Vol.2 No.6 8 715-724 (10 pages)
Frequency-force relationships (FFR) were studied in electrically field stimulated rat left atria (LA) by reducing the stimulation frequency from resting 3 Hz to test frequencies (0.1-1 Hz) for 5 minutes. The twitch amplitudes of LA elicited the typical negative staircases with 3-phased changes: the initial rapid increase, the second decrease and the following plateau at test frequencies. Verapamil (3⁓105 M) pretreatment elicited frequency-dependent suppression of the twitch... -
기니픽 심장과 심근 세포에서 α1-Adrenergic 자극에 의한 Mg2+ 유리조절 Regulation of Mg2+ Release in Guinea Pig Heart and Isolated Ventricular Myocytes by Ձ1-Adrenergic Stimulation
강형섭, 장성은, 김진상, Hyung-SubKang, Sung-EunChang, Jin-SangKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 14 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1997, Vol.1 No.6 13 717-730 (14 pages)
Mg2 is the fourth most abundant cation in cellular organisms. Although the biological chemistry and the physiological roles of the magnesium ion were well known, the regulation of intracellular Mg2 in mammalian cells is not fully understood. More recently, however, the mechanism of Mg2 mobilization by hormonal stimulation has been investigated in hearts and in myocytes. In this work we have investigated the regulation mechanism responsible for the Mg2 mobilization... -
Changes of Renal Peripheral Benzodiazepine Receptor in the Stress/ Anxiety Response
Jeoung-HeeHa, Kwang-HunLee, Seung-DoukCheung, Hyung-BaePark, Maan-GeeLee, Hyoung-ChulChoi, Uy-DongSohn, Kwang-YounLee, Won-JoonKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1997, Vol.1 No.5 7 523-528 (6 pages)
animal model of chronic anxiety. However, PBR in the diazepam progenies are not known yet. In the present study, therefore, we examined the changes of PBR in the stress/anxiety response. Dams of rats were given injection of diazepam or vehicle during puerperium. Diazepam progenies showed increased level of anxiety on the performance of elevated plus maze, and increased Bmax of PBR. Saturation experiments followed by scatchard analysis of the results showed that the increase in the density of PBR... -
Regulatory Mechanisms of Angiotensin II on the Na+/H+ Antiport System in Rabbit Renal Proximal Tubule Cells. I. Stimulatory Effects of ANG II on Na+ Uptake
HoJaeHan, HyunJuKoh, SooHyunPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 11 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1997, Vol.1 No.4 8 413-423 (11 pages)
The importance of the kidney in the development of hypertension was first demonstrated by Goldblatt and his colleagues more than fifty years ago. Many hormones and other regulatory factors have been proposed to play a major role in the development of hypertension. Among these factors angiotensin II (ANG II) is closely involved in renal hypertension development since it directly regulates Na+ reabsorption in the renal proximal tubule. Thus the aim of the present study was to examine signaling... -
Functional Characteristics of Neutral Amino Acid Transporter in Opossum Kidney (OK) Cells
JaeSukWoo, MoonHwanPark, SaeOkOh, JinSupJung, YongKeunKim, SangHoLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1997, Vol.1 No.2 8 185-193 (9 pages)
The characteristics of Na+-dependent cycloleucine uptake was investigated in OK cells with regard to substrate specificity and regulation by protein kinase C (PKC). Inhibition studies with different synthetic and natural amino acids showed a broad spectrum affinity to neutral amino acids regardless of their different side chains including branched or aromatic, indicating that the Na+-dependent cycloleucine uptake in OK cells is mediated by System Bo or System Bo-like transporter rather than the... -
경련성 전기충격에 의하여 나타나는 측뇌-피질과 피질을 제외한 대뇌의 Acetylcholine및 Polyamine 함량-변동에 관한 연구
최상현(Sang-Hyun Choi), 이학회(Hak-Hee Lee), 박청산(Chung-San Park), 전보권(Boe-Gwun Chun), 천연숙(Yeon-Sook Chun) 대한약리학회 대한약리학잡지 8 Pages
대한약리학회 대한약리학잡지 1991, 제 27권 제 1호 3 13-20 (8 pages)
뇌에 대한 경련성 전기충격(electroconvulsive shock: ECS)을 이용한 치료가 시작된 후, 50여년에 걸처 이의 생물학적 작용에 대한 연구가 있었으나, 이렇다할 결과가 아직 없으며, 특히 뇌의 신경전달물질중 가장 중요한 것으로 인정되는 acetylcholine의 함량이 ECS로 증가되는지 감소되는지 확실치 않다. 더욱이, 대체로 조직의 재생능에 비례하는 함량의 증감을 보이는 polyamine함량이 가장 재생능이 미약한 뇌에 고농도로 있으며 뇌의 국소에 따라서도 그 함량에 큰 차가 있고, 뇌의 polyamine-합성 또한 ECS에 의하여 촉진된다고... -
Study on the User Selection System and the Change of Composition of Social Service Providers in Japan - Centering on the Analyses of Care Services for the Elderly andWelfare Services for Persons with Disabilities
Chang-Wan HAN, Toshihiro Fukushima, Masafumi Ide, Etsuo Horikawa 한국사회서비스학회 사회서비스연구 29 Pages
한국사회서비스학회 사회서비스연구 2011, 제 2권 제 2호 5 141-169 (29 pages)
This study aimed to explore the history of marketization and decentralization of welfare in Japan, to examine the discussions about the introduction of user selection system that has been represented as themotto of ‘FromMeasures to Contract’ and the principle of self-responsibility and to analyze the change of social service providers for the long-termcare services for the elderly andwelfare services for persons with disabilities. The biggest changes that were caused by implementing... -
Analysis of Learning Objectives of Science Subject on Basic Curriculum for Students with Developmental Disabilities in Korea - Centered on natrual environment-
Kim Hai-gyoung 아시아장애사회학회 아시아장애사회학연구 11 Pages
아시아장애사회학회 아시아장애사회학연구 2008, 제 7권 16 157-167 (11 pages)
The purpose of this study was to analyze educational objectives of science subject in the basic curriculum of the 7th special school curriculurn and learning objectives of natural environment field in science textbooks by using Klopfer' s taxonomic system. It was analyzed that general objectives of science subject and four sub- educationa1 objectives set category of knowledge and understanding(A.O), scientific inquiry process(B.O- E.O), application of knowledge and method(F.O), and attitude and... -
Gender Differences in Alcohol Advertising’s Influence on Young People’s Positive Expectancies about Drinking
Jang Won Yong, Edward Frederick 한국헬스커뮤니케이션학회 헬스커뮤니케이션연구 36 Pages
한국헬스커뮤니케이션학회 헬스커뮤니케이션연구 2014, Vol.10 2 39-74 (36 pages)
This study examined gender and interpersonal communication role in the influence of alcohol advertising on young people’s drinking. Recent studies found that interpersonal communication mediates the effects of alcohol advertising and discourages students to adopt more positive expectancies of drinking. This study tested whether the mediating influence is contingent on the two genders. Data were collected using self-administered questionnaires with a cross-sectional survey of undergraduate... -
본 고찰은 체육용 휠체어의 재료 특성을 연구한 것이다. 체육용은 여러 가지인데 그 가운데 가장 대중적 인 테니스용을 통해서 필드 종목용 휠체어의 특성을 조사하였다. 필드 종목용 휠체어의 몸체 재료는 강도는 충분히 크면서 중량은 작아야 한다. 이에 적절한 재료의 연구가 계속되어져 왔으며 현재는 알루미늄 합금 6061이 가장 널리 사용되고 있다. 부속 재료들도 구조적인 강성의 조건을 충족시켜야 하므로 스테인리스강, 티타늄 등을 비롯하여 최신 복합재료의 적용까지 시도되고 있다. 본 고찰의 내용이 국산 체육용 휠체어의...
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체계적·명시적 음운규칙 교수가 읽기장애학생의 음운변동이 적용되는 단어인지에 미치는 효과
김애화, 김의정, 이윤미 한국학습장애학회 학습장애연구 22 Pages
한국학습장애학회 학습장애연구 2015, Vol.12 No.1 9 201-222 (22 pages)
본 연구에서는 체계적?명시적 음운규칙 교수가 초등학교 읽기장애학생의 음운변동이 적 용되는 단어인지에 미치는 효과성을 검증하고자 하였다. 이를 위해 경기도에 소재한 초등학 교 1~3학년에 재학 중인 네 명의 읽기장애학생이 본 연구에 참여하였다. 본 연구에서 실시 한 중재의 효과를 조사하기 위해 대상자간 중다 간헐 기초선 설계(multiple baseline probe design across participants)를 네 명의 연구 참여자에게 반복 적용하였다. 연구결과에 따르면, 중 재의 실시와 함께 모든 연구 참여자의 음운변동이 적용되는 단어인지... -
Phenylethynyl-terminated polyimide, exfoliated graphite nanoplatelets, and the composites: an overview
Donghwan Cho, Lawrence T. Drzal 한국탄소학회 Carbon Letters 11 Pages
한국탄소학회 Carbon Letters 2016, Vol.19 1 1-11 (11 pages)
In efforts to characterize and understand the properties and processing of phenylethynyl-terminated imide (LaRC PETI-5, simply referred to as PETI-5) oligomers and polymers as a high-temperature sizing material for carbon fiber-reinforced polymer matrix composites, PETI-5 imidization and thermal curing behaviors have been extensively investigated based on the phenylethynyl end-group reaction. These studies are reviewed here. In addition, the use of PETI-5 to enhance interfacial adhesion between... -
한국 여성의 지하철 내 성범죄두려움 분석
이윤호, 성용은, 유영재, 전은주 한국경호경비학회 시큐리티연구 32 Pages
한국경호경비학회 시큐리티연구 2007, 제 13호 16 351-382 (32 pages)
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