• Title/Summary/Keyword: Response

Search Result 48,445, Processing Time 0.062 seconds

The Exercise Capacity and Cardiovascular Factors in Patients with Exaggerated Blood Pressure Response during Treadmill Exercise Testing

  • Bae, Hyung-Joon;Shin, Kyung A
    • Korean Journal of Clinical Laboratory Science
    • /
    • v.43 no.4
    • /
    • pp.138-144
    • /
    • 2011
  • Exaggerated blood pressure response during exercise has been found to increase the risk of future hypertension, left ventricular hypertrophy, cerebrovascular stroke, and CVD (cardiovascular disease) death. The aim of this study was to evaluate exercise capacity, cardiovascular factors in exaggerated blood pressure response during treadmill exercise testing. For research subjects, 72 subjects (normal blood response: 49 subjects, exaggerated blood response: 23 subjects) who received treadmill exercise test at J General Hospital were selected in this study. Exaggerated SBP (systolic blood pressure) response was defined as an SBP of 210 mmHg or greater during a maximal treadmill exercise test. The group with an exaggerated SBP response showed significantly higher values for RPP (rate pressure product) compared with the group with a normal SBP response. Subjects with METs (metabolic equivalents) had lower exaggerated SBP response than normal SBP response group. Subjects with recovery SBP had delayed exaggerated SBP response than normal SBP response group. Exaggerated SBP response to exercise is negative correlation with METs.

  • PDF

A Study on Quality of Portals Based on Probability Distributions of Response Time (확률분포를 이용한 포털들의 응답시간 품질에 관한 연구)

  • Ryu, Gui-Yeol
    • Journal of Korean Society for Quality Management
    • /
    • v.42 no.1
    • /
    • pp.33-41
    • /
    • 2014
  • Purpose: The purpose of this paper is estimate response quality of three major portal in Korea based on the response time. In addition to response time, the response time by 1Kbyte will be analysed. Methods: Data was collected from July 2010 to November 2013 using Firebug. For comparing averages, ANOVA will be used. For comparing distributions, Chisquare test and Kolmogov-Smirnov test will be used for parametric and non parametric test respectively. Results: For response quality based on response time, Daum gets the first place, Naver the second place, and Nate the third place. But the order of the response time per 1Kbyte is different. The order is Naver, Daum and Nate. Conclusion: The response quality may be estimated using various factors. Response time is the most important factor. Daum provides the shortest response time. We could say Daum provides the best response quality. But Naver provides the shortest response time per 1Kbyte. From these results, we know reducing packets is very important thing in response time.

Development of Demand Response Operation System for Load Aggregators (부하관리사업자용 수요반응 운영 시스템 개발)

  • Kim, Ji-Hui;Moon, Guk-Hyun;Joo, Sung-Kwan;Oh, Jae-Cheol
    • The Transactions of The Korean Institute of Electrical Engineers
    • /
    • v.60 no.12
    • /
    • pp.2221-2224
    • /
    • 2011
  • During an emergency due to a shortage of power, a load aggregator (LA) can use the demand response operation system to deploy demand response resources (DRRs) through various demand response (DR) programs. This paper introduces the demand response operation system for a load aggregator to manage various demand response resources in a smart grid environment.

Establishment of Disaster Response and Safety Management Systems in LH

  • Kim, Sang-Yeon
    • International conference on construction engineering and project management
    • /
    • 2015.10a
    • /
    • pp.56-57
    • /
    • 2015
  • This study is to review and re-establish LH disaster response and safety management system of the construction site and rental apartment complex in order to make an effective response and minimize damage in the face of disaster. I suggest directions for the improvement of disaster management systems. To achieve this, I reviewed the existing disaster response organization and accept opinions of the operating department in order to constitute effective organization which respond quickly and efficiently in emergency, and assigned new roles and responsibilities at each organization. Furthermore, I setup and suggested response manuals for each possible disasters.

  • PDF

The Direction for Development of Domestic Initial Response System for Chemical Terrorism (국내 화학테러 초기대응체제의 발전방향 (한·미 화학테러 초기대응체제 비교를 중심으로))

  • Eun, Chong-hwa
    • Journal of the Society of Disaster Information
    • /
    • v.5 no.2
    • /
    • pp.50-73
    • /
    • 2009
  • This paper is about the establishment of "Initial Response System." Initial response system is most important and should be treated urgently among all preparations for chemical terrorism. The objects of Initial response system are to protect civilians and the first responder who are exposed directly to chemical terrorism. Therefore, this paper suggests two main issues about Initial response system. One is to prepare immediate and exact information service system which assures the safety and survival of exposed people. The other is to build Scene Response System integrated with Command-Control Procedure for early finished situation. Compared to United States, overcoming the Chemical Terrorism requires to improve the contents of two categories: Counter Citizen Response part and Initial Scene Response part. For Counter citizen response part' s sake, the web-sites of Response leader agencies for searching information about chemical terrorism should be modified specifically. These web-sites have to be re-organized in detail. The existing Information service system which has been vaguely informed as "CBRNE Accident" needs to be divided as "CBRNE Accident" and "WMD terrorism." Further, each of them should be specialized in "Chemical', "Biological", and "Radiological" categories. There is a need to rearrange current Emergency Instruction for civilians against chemical terrorism in feasible way. At the same time, it should be applied consistently to all organizations through agreement between experts and related-organizations. For Initial Scene Response part's sake, "Initial scene response procedure (SOP)" and "Operational conception" should be produced through Simulated Exercises and workshops of all organizations related with initial response. These organizations have to cooperate with Ministry of Environment which is the main leader Agency as the center. Next, there is a need to develop a technology and Scene Response Equipments, and to standardize the response equipments which consider the capability of First Responders for chemical terrorism. Especially, improving capability of equipments is required to overcome the vulnerability of Scene Response Equipments.

  • PDF

The recognition response research of five sences for the first accident occurrence cognizance and spread through the analysis of railroad accident type at domestic and foreign (국내.외 철도사고유형 분석을 통해 초기 사고발생 인식.전파를 위한 오감인지 대응연구)

  • Yang, Doh-Chul;Hwang, Seong-Geun
    • Proceedings of the KSR Conference
    • /
    • 2007.05a
    • /
    • pp.1180-1186
    • /
    • 2007
  • This paper contains that the current emergency response procedure through the railroad accident type at domestic and foreign, and the response program which is more systematic as a result of improving weaknesses. Because the response program at home is less sufficient than developed country's, we have made an investigation into system of classification in America, British, Germany, Japan for organizing separate emergency response code. we have researched the recognition response of five senses for minimizing the accident damage in a way of spreading the emergency response type analyzed through the accident procedure according to the feature of five senses by the first recognizer. Based on the first recognitions response of five senses, the scenario has been established according to each types and the criteria of accident has been researched through classifying the recognition of five senses response level, early response level, self-response level, outside support level.

  • PDF

Estimation Using Response Probability Under Callbacks

  • Park, Hyeon-Ah
    • Proceedings of the Korean Association for Survey Research Conference
    • /
    • 2007.11a
    • /
    • pp.213-230
    • /
    • 2007
  • Although the response model has been frequently applied to nonresponse weighting adjustment or imputation, the estimation under callbacks has been relatively underdeveloped in the response model. The estimation method using the response probability is developed under callbacks. A replication method for the estimation of the variance of the proposed estimation is also developed. Since the true response probability is usually unknown, we study the estimation of the response probability. Finally, we propose an estimator under callbacks using the ratio imputation as well as the response probability. The simulation study illustrates our techniques.

  • PDF

Models of Sexual Response in Humans (인간의 성 반응에 대한 모델)

  • Choi, In Kwang
    • Korean Journal of Biological Psychiatry
    • /
    • v.20 no.3
    • /
    • pp.66-73
    • /
    • 2013
  • Sexual behavior is crucial in life, yet comparatively little is known about the mechanisms in the sexual response in humans. A lot of theories and models have been developed to explain about the process of the sexual response in humans. The first model of sexual function was described by Masters and Johnson, defined the four-phase model (phases of excitation, plateau, orgasm and resolution). Helen Kaplan proposed a slightly different model of human sexual response by adding the conception of the desire phase. Some years later, a new model of circular sexual response pattern was described by Whipple and Brash-McGreer, who acknowledged the cyclic nature of women's sexual response. Basson presented an alternative model of women's normative sexual function, which featured a responsive form of desire in women's sexual response. Bancroft developed a new theoretical model, the Dual Control Model, which postulates sexual response and arousal is ultimately determined by the balance between the sexual activation or excitation system and the sexual inhibition system. The Sexual Tipping Point is a model created by Perelman, suggesting that a sexual response is determined by a balance between excitatory or inhibitory factors that may be psychological, organic, psychosocial, or cultural. A comprehensive understanding of sexual response and function is of paramount importance for the psychiatrist to study sex, offer counseling to the patient on sex, and practice sex therapy. In this literature, models of sexual response would be reviewed to understand the knowledge of the sexual functioning in humans.

Evaluations of Velocity Response Spectrum of Seismic Base and Response Displacement for the Seismic Design of Underground Structures (지중구조물 내진설계를 위한 기반면의 속도 응답스펙트럼 및 응답변위 산정기법에 대한 연구)

  • 윤종구;김동수;유제남
    • Journal of the Korean Geotechnical Society
    • /
    • v.19 no.4
    • /
    • pp.211-221
    • /
    • 2003
  • The response displacement method is the most frequently used method for seismic design of underground structures. This method is pseudo-static method, and the evaluations of velocity response spectrum of seismic base and response displacement of surrounding soil are the most important steps. In this study, the evaluation of velocity response spectrum of seismic base according to the Korean seismic design guide and the simple method of calculating the response displacement were studied. It was found that velocity response spectrum of seismic base can be estimated by directly integrating the ground-surface acceleration response spectrum of soil type S$_A$, and the evaluation of the response displacement using double cosine method assuming two layers of soil profile shows the advantages in the seismic design.

A response spectrum method for seismic response analysis of structures under multi-support excitations

  • Li, Jian-Hua;Li, Jie
    • Structural Engineering and Mechanics
    • /
    • v.21 no.3
    • /
    • pp.255-273
    • /
    • 2005
  • Based on the random vibration theory, a response spectrum method is developed for seismic response analysis of linear, multi-degree-of-freedom structures under multi-support excitations is developed. Various response quantities, including the mean and variance of the peak response, the response mean frequency, are obtained from proposed combination rules in terms of the mean response spectrum. This method makes it possible to apply the response spectrum to the seismic reliability analysis of structures subjected to multi-support excitations. Considering that the tedious numerical integration is required to compute the spectral parameters and correlation coefficients in above combination rules, this paper further offers simplified procedures for their computation, which enhance dramatically the computational efficiency of the suggested method. The proposed procedure is demonstrated for tow numerical examples: (1) two-span continuous beam; (2) two-tower cabled-stayed bridge by using Monte Carlo simulation (MC). For this purpose, this paper also presents an approach to simulation of ground motions, which can take into account both mean and variation properties of response spectrum. Computed results based on the response spectrum method are in good agreement with Monte Carlo simulation results. And compared with the MSRS method, a well-developed multi-support response spectrum method, the proposed method has an incomparable computational efficiency.