• Journal of Nutrition and Health
• /
• v.30 no.1
• /
• pp.19-24
• /
• 1997

This study was carried out to investigate the effects of enzyme activities on male Sprague-Dawley rats intoxicated by CCI4 on IS(Godulbaegi) diets for 4 weeks. We divides into 5 diet groups which were normal diet(N), normal diet intoxicated by CCI4(NC) and 3 IS diets ; leaves diet(ILC), roots diet(IRC) and mixed diet of leaves and roots which were also injected by CCI4 3 times for 4 weeks. The activity of glutamic pyruvic transaminase(GPT) in serum in NC was higher than in N as we expected. The GPT activites and the values of malondial-dehyde(MDA) of IS groups were all lower than in NC, IC as lowest. The activity of superoxide dismutase(SOD) in NC was higher than in N and IS groups had values less than the values of N. Catalase showed similarity in results as above. The values of glutathione S-transferase(GST) and cytochrome P-450 in NC were lower than in N. IS groups had higher values than in NC. Godulbaegi might be important not only as one of the traditional Korean foods but also as therapeutic agent for hepatotoxicity and for shortening the recovery time in liver disease.

• 제어로봇시스템학회:학술대회논문집
• /
• 1999.10a
• /
• pp.57-60
• /
• 1999

An optimal control technique designed for simultaneous tracking and quality control for batch processes. The proposed technique is designed by transforming quadratic-criterion based iterative learning control(Q-ILC) into linear quadratic control problem. For real-time quality inferential control, the quality is modeled by linear combination of control input around target qualify and then the relationship between quality and control input can be transformed into time-varying linear state space model. With this state space model, the real-time quality inferential control can be incorporated to LQ control Problem. As a consequence, both the quality variable as well as other controlled variables can progressively reduce their control error as the batch number increases while rejecting real-time disturbances, and finally reach the best achievable states dictated by a quadratic criterion even in case that there is significant model error Also the computational burden is much reduced since the most computation is calculated in off-line. The Proposed control technique is applied to a semi-batch reactor model where series-parallelreactions take place.

• Ocean and Polar Research
• /
• v.29 no.2
• /
• pp.165-185
• /
• 2007

Exploitation of transboundary oil and gas on continental shelves may cause conflicts between or among States concerned due to the physical character of these resources. As oil and gas are fluid, exploitation of such a transboundary oil field by one side may affect other parties in other jurisdictions. However, there is no universal international legal regime on the issue. This article tries to find the international legal regime governing such resources through analysing UN Assembly's resolutions, UNCLOS, international judicial opinions, bilateral agreements and ILC activities relating to transboundary natural resources. As a result of this study, it seems that each coastal State has an inherent sovereign right on its part of the transboundary oil and gas deposit, but this right is not unlimited. Each state involved with the deposit has a duty to cooperate with other states-through information exchange, consultation, and negotiation. Furthermore, the state has an obligation to refrain from unilateral action when there is a possibility of causing irrevocable damage to the interests of the other states.

• Proceedings of the KIEE Conference
• /
• 2007.10a
• /
• pp.297-298
• /
• 2007

Repetitive systems stand for a kind of systems that perform a simple task on a fixed pattern repetitively and are widely spread in industrial fields. Hence, those systems have been of much interests by many researchers, especially in the field of iterative learning control (ILC). In this paper, we propose a finite-horizon tracking control scheme for linear time-varying repetitive systems with uncertain initial conditions. The scheme is derived both analytically and numerically for state-feedback systems and only numerically for output-feedback systems. Then, it is extended to stable systems with input constraints. All numerical schemes are developed in the forms of linear matrix inequalities. A distinguished feature of the proposed scheme from the existing iterative learning control is that the scheme guarantees the tracking performance exactly even under uncertain initial conditions. The simulation results demonstrate the good performance of the proposed scheme.

• Journal of Astronomy and Space Sciences
• /
• v.40 no.4
• /
• pp.259-266
• /
• 2023

The Standard Model (SM) does not provide an information for 26% of dark matter of the universe. In the dark sector, dark matter is supposed to be linked with the hypothetical particles called dark photons that have similar role to photons in electromagnetic interaction in the SM. Besides astronomical observation, there are studies to find dark matter candidates using accelerators. In this paper, we searched for dark photons using future electron-positron colliders, including Circular Electron Positron Collider (CEPC)/CEPC, Future Circular Collider (FCC-ee)/Innovative Detector for Electron-positron Accelerator (IDEA), and International Linear Collider (ILC)/International Large Detector (ILD). Using the parameterized response of the detector simulation of Delphes, we studied the sensitivity of a double dark photon mode at each accelerator/detector. The signal mode is double dark photon decay channel, e⁺e^- → A'A', where A' (dark photon with spin 1) decaying into a muon pair. We used MadGraph5 to generate Monte Carlo (MC) events by means of a Simplified Model. We found the dark photon mass at which the cross-sections were the highest for each accelerator to obtain the maximum number of events. In this paper we show the expected number of dark photon signal events and the detector efficiency of each accelerator. The results of this study can facilitate in the dark photon search by future electron-positron accelerators.

• IMMUNE NETWORK
• /
• v.24 no.1
• /
• pp.6.1-6.17
• /
• 2024

The intricate role of innate type-2 cytokines in immune responses is increasingly acknowledged for its dual nature, encompassing both protective and pathogenic dimensions. Ranging from defense against parasitic infections to contributing to inflammatory diseases like asthma, fibrosis, and obesity, these cytokines intricately engage with various innate immune cells. This review meticulously explores the cellular origins of innate type-2 cytokines and their intricate interactions, shedding light on factors that amplify the innate type-2 response, including TSLP, IL-25, and IL-33. Recent advancements in therapeutic strategies, specifically the utilization of biologics targeting pivotal cytokines (IL-4, IL-5, and IL-13), are discussed, offering insights into both challenges and opportunities. Acknowledging the pivotal role of innate type-2 cytokines in orchestrating immune responses positions them as promising therapeutic targets. The evolving landscape of research and development in this field not only propels immunological knowledge forward but also holds the promise of more effective treatments in the future.

• Journal of the Korean Institute of Intelligent Systems
• /
• v.13 no.2
• /
• pp.175-179
• /
• 2003

Convergence condition determines performance of iterative learning control (ILC), for example, convergence speed, remaining error, etc. Hence, the performance can be elevated and a feasible set of learning controllers grows if a less conservative condition is obtained. In the frequency domain, the $H_{\infty}$ norm of the transfer function between consecutive errors has been currently used to test convergence of a learning system. However, even if the convergence condition based on the $H_{\infty}$ norm has a clear property about monotonic convergence, it has a few drawbacks, especially in MIMO plants. In this paper, the relation between the condition and the monotonicity of convergence is clarified and a modified convergence condition is found out using a frequency domain Lyapunov equation, which supersedes the conventional one in the frequency domain.

• Asian Pacific Journal of Cancer Prevention
• /
• v.13 no.8
• /
• pp.4013-4016
• /
• 2012

Purpose: Breast cancer is the commonest malignancy of females throughout the world with one million new cases each year. In Pakistan, the burden of breast cancer disease is high with late stage presentation being a common feature, more than half being stage III or stage IV. The objective of this study was to study various aspects, patterns and risk factors in breast cancer patients of Balochistan. Method: Present study was performed on 134 patients of breast cancer who were registered in CENAR. The patients were interviewed by providing a questionnaire. Informed consent was taken from all the patients who took part in this study after explanation of the study aims. Body mass index (BMI) was calculated andbiopsy reports were obtained from patients files. All the cases were classified with respect to age, gender, ethnic group (Baloch, Pashtoon, Punjabi, Afghani, Hazara) BMI, cancer type, cancer grade, hormonal status, side of the cancer, fertility and marital status. Results: Out of 134 patients, the most common ethnic group was Pashtoon with a total of 42 and the common age group was 41-50 years with a total of 51. Invasive ductal carcinoma (IDC) was the most common type, accounting for in 128 patients (95.5%) followed by invasive lobular carcinoma (ILC). Conclusion: Pashtoon was the most common ethnic group, IDC was common type and most of the patients had an ER/PR positive hormonal status.

• Proceedings of the Korean Institute of Navigation and Port Research Conference
• /
• v.1
• /
• pp.75-80
• /
• 2006

ILO has contributed for seafarers to promote conditions of employment and decent work through maritime labour standards. Between 1920 and 1996, a total of 39 Conventions and 29 Recommendations concerning seafarers have been adopted, which demonstrates the import part of ILO activities devoted to seafarers' questions. But many instruments were outdated, deficient and not reflective of modern practice, many contained technical detail which discouraged ratification. the Governing Body of ILO, at its 262nd Session(March-April 1995), decided to set up a Working Party regarding the revision of maritime labour standards. This Working Party initiated its examination of maritime instruments to 273rd Session(November 1998) of the Governing Body. The review made by the Working Party has concluded that existing maritime Conventions were considered either up to date or were identified for promotion, most of which were approved by the Governing Body. Therefore, ILO started to create a single, coherent instrument embodying as far as possible all up-to-date standards of existing maritime labour convention. The Maritime Labour Convention 2006 has been adopted in February 2006. This paper aims to analyze the significance of this convention and the influence regarding to maritime labour affairs in the field of shipping industry.

• Journal of Navigation and Port Research
• /
• v.31 no.1 s.117
• /
• pp.115-119
• /
• 2007

ILO has contributed for seafarers to promote conditions of employment and decent work through maritime labour standards. Between 1920 and 1996, a total of 39 Conventions and 29 Recommendations concerning seafarers have been adopted, which demonstrates the important part of ILO activities devoted to seafarers' questions. But many instruments were outdated, deficient and not reflective of modern practice, many contained technical detail which discouraged ratification. The Governing Body of ILO, at its 262nd Session(March-April 1995), decided to set up a Working Party regarding the revision of maritime labour standards. This Working Party initiated its examination of maritime instruments to 273rd Session(November 1998) of the Governing Body. The review made by the Working Party has concluded that existing maritime Conventions were considered either up to date or were identified for promotion, most of which were approved by the Governing Body. Therefore, ILO started to create a single, coherent instrument embodying as far as possible all up-to-date standards of existing maritime labour conventions. The Maritime Labour Convention 2006 was adopted in February 2006. This paper aims to analyze the significance of this Convention and the influence regarding to maritime labour affairs in the field of shipping industry.