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Operators with n-threshold for uncertainty management
Ion Iancu 한국전산응용수학회 2005 Journal of applied mathematics & informatics Vol.19 No.1-2
In this paper we present a pair of operators (t-norm, t-conorm) dual with a strong negation with n-threshold a1, ..., an 2 (0, 1), a1 < a2 < ... < an. In this way we obtain an extension of operators with threshold, that are obtained for n = 1. The new pair is obtained from given one.
THE IMPLICATIONS OF INSTITUTIONAL SPECIFICITIES ON THE INCOME INEQUALITIES DRIVERS IN EUROPEAN UNION
Ion Dobre,Ionut Jianu,Alexandru Bodislav,Carmen Radulescu,Sorin Burlacu (사)참누리 빈곤문제연구소 2019 빈곤없는세상 연구보고서 Vol.2019 No.-
This paper aims to review the different impacts of income inequality drivers on the Gini coefficient, depending on institutional specificities. In this context, we divided the European Union member states in two clusters (the cluster of member states with inclusive institutions / extractive institutions) using the institutional pillar as a clustering criterion. In both cases, we assesed the impact of income inequality drivers on Gini coefficient by using a fixed effects model in order to examine the role and importance of the institutions in the dynamics of income disparities.The models were estimated by applying the Panel Estimated Generalized Least Squares (EGLS) method, this being weighted by Cross-section weights option. The separate assessment of the income inequality reactivity to the change in its determinants according to the institutional criterion represents a new approach in this field of research and the results show that the impact of moderating income inequality strategies is limitedin the case of member states with extractive institutions.
Ion Dan Postescu,Gabriela Chereches,Corina Tatomir,Doina Daicoviciu,Gabriela Adriana Filip 한국식품영양과학회 2012 Journal of medicinal food Vol.15 No.7
The major limitation of Doxorubicin (Dox) clinical use is the development of chronic and acute toxic side effects induced through the generation of reactive oxygen species. The present work was designated to investigate in vitro effects of a red grape-seed hydroethanolic extract Burgund Mare (BM), in associated administration with Dox (30 min before drug administration) in normal (Hfl-1) and tumor cell lines (HepG2 and Mls). The BM concentrations administered were below the level of the extract cytotoxiciy threshold (40 lg gallic acid [GA] Eq/mL; 37.5, 25.0, and 12.5 lg GA Eq/mL). The antioxidant capacity of the BM extract was assessed by measuring the acute toxicity at 24 h, lipid peroxides (LP), and protein oxidation. In normal cells, the product statistically decreased cytotoxicity and markedly inhibited LP and protein carbonyl (PC) formation, in a dose-dependent relationship. On contrary, in tumor cells, such treatment resulted in a reversed effect, cell death, malondialdehyde, and PC contents increasing with BM dose enhancement. BM extract treatment prior to subsequent administration of Dox afforded a differential protection against Dox-negative toxic side effects in normal cells without weakening (even enhancing) Dox’s antitumor activity.
A proposed set of popular limit-point buckling benchmark problems
Ion Leahu-Aluas,Farid Abed-Meraim 국제구조공학회 2011 Structural Engineering and Mechanics, An Int'l Jou Vol.38 No.6
Developers of new finite elements or nonlinear solution techniques rely on discriminative benchmark tests drawn from the literature to assess the advantages and drawbacks of new formulations. Buckling benchmark tests provide a rigorous evaluation of finite elements applied to thin structures, and a complete and detailed set of reference results would therefore prove very useful in carrying out such evaluations. Results are usually presented in the form of load-deflection curves that developers must reconstruct by extracting the points, a procedure which is often tedious and inaccurate. Moreover the curves are usually given without accompanying information such as the calculation time or number of iterations it took for the model to converge, even though this type of data is equally important in practice. This paper presents ten different limit-point buckling benchmark tests, and provides for each one the reference load-deflection curve, all the points necessary to recreate the curve in tabulated form, analysis data such as calculation time, number of iterations and increments, and all of the inputs used to obtain these results.
( Ion Buga ),( Hyeyoung Kim ),( Kwang-woong Lee ),( Nam-joon Yi ),( Hae Won Lee ),( Youngrok Choi ),( Suk-won Suh ),( Jaehong Jeong ),( Suk Kyun Hong ) 대한간학회 2016 춘·추계 학술대회 (KASL) Vol.2016 No.1
Hepatitis B core antibody-positive (HBcAb+) graft is known as a risk for de novo hepatitis B virus (HBV) infection in recipients after liver transplantation (LT). However, little is known aboutthe possibility or incidence of de novo HBV infectionsafter LT inhepatitis B surface antigen-negative (HBsAg-)/HBcAb+ recipients usingHBsAg-/HBcAb- -grafts. The study was aimed at evaluating the prevalence of de novo HBV infection in HBsAg-/HBcAb+ recipients using HBsAg-/HBcAb- grafts. A retrospective review was performed with the records of 1,129 adult patients who underwent primary LT at a single institution in an HBV endemic area between January 2000 and December 2013.De novo HBV was defined as the detection of serum HBsAg+after LT. Total 111patients (9.8%) were HBsAg-/HBcAb+ recipients using HBsAg-/HBcAb- grafts. Among these, we excluded 33patients with HBsAg seroconversion before LT orless than 6 months follow-up after LT. Total 78 patients (6.9%) were reviewed for de novo HBV infection after LT. They underwent LT due to alcoholic liver cirrhosis (42.3%), hepatitis C related liver cirrhosis (24.4%), and cryptogenic liver cirrhosis (20.5%). Hepatocellular carcinoma was combined in 23 patients (29.5%). The mean follow-up after LT was 53.8 months(range, 8.0-164.0).De novo HBV infection was developed in 1 patient (1.28%). The patient was a 65-year old woman who underwent LT due to alcoholic liver cirrhosis on May 2012. De novo HBV was developed at 19 months after LT. There was no other risk factor for HBV infectionincluding transfusion. De novo HBV was not related to graft loss or death and welltreated with tenofoviruntil last follow-up (12 months). In conclusion, de novo HBV infections can be occurin HBsAg-/HBcAb+ recipients using HBsAg-/HBcAb- grafts, and caution is needed in these patients.
임석철,Ion Stefanscu,김내헌 대한설비관리학회 1998 대한설비관리학회지 Vol.3 No.2
In many Printed Circuit Board (PCB) automatic assemblers, parts are supplied by many feeders. The mounting head usually has to move between part feeders. Such travel times often increases the cycle time of the PCB assembly operation. In this paper, in order to minimize the cycle time, we consider an automated part supplier, in which internal timing algorithm determines the exact times of parts to be retrieved to a single feeder to the mounting head. We present an optimal algorithm for such a system. We consider two cases; one for parts with all equal lengths, and the other for parts with unequal lengths.
Starter/Alternator Systems for HEV and Their Control: A Review
Boldea, Ion. The Korean Institute of Electrical Engineers 2004 KIEE International Transactions on Electrical Mach Vol.b4 No.4
Motor & generator operation at widely variable speeds is needed in various applications but hybrid and electric vehicle (HEV) stand out today, as quite a few companies are launching this year their mass production of HEVs. The quest for better starter-generators is far from ended, though. The present review paper unfolds a comparative critical evaluation of various starter-generators and their control for HEV. Induction, interior PM synchronous, transverse-flux PM synchronous, switched reluctance, together with claw-pole and biaxial excitation PM synchronous (BEGA) configurations with their control are all considered in system evaluations.
A METHOD FOR CONSTRUCTING T-NORMS
Iancu, Ion 한국전산응용수학회 1998 Journal of applied mathematics & informatics Vol.5 No.2
In this paper a new type of t-operators with double threshold a,b,$\in$(0,1). a$\leq$b, is presented, each pair (t-norm, t-conorm) consisting of two dual elements with respect to a negation with double threshold.
OPERATORS WITH N-THRESHOLD FOR UNCERTAINTY MANAGEMENT
IANCU, ION 한국전산응용수학회 2005 Journal of applied mathematics & informatics Vol.19 No.1
In this paper we present a pair of operators (t-norm, t-conorm) dual with a strong negation with n-threshold $a_1,\;{\ldots}, a_n\;{\in}(0,1),\;a_1\;<\;a_2\;<\;{\ldots}\;<\;a_n$. In this way we obtain an extension of operators with threshold, that are obtained for n = 1. The new pair is obtained from given one.