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EXTENDED GENERALIZED MITTAG-LEFFLER FUNCTION APPLIED ON FRACTIONAL INTEGRAL INEQUALITIES
Andric, Maja,Farid, Ghulam,Pecaric, Josip,Siddique, Muhammad Usama Korean Mathematical Society 2020 대한수학회논문집 Vol.35 No.4
This paper presents several fractional generalizations and extensions of known integral inequalities. To obtain these, an extended generalized Mittag-Leffler function and its fractional integral operator are used.
Ljubiša Andric 한양대학교 세라믹연구소 2012 Journal of Ceramic Processing Research Vol.13 No.4
This paper presents the results of research on mechanical activation of dry mica in an ultra centrifugal mill with a peripheral comminution path. The variable parameters of the mill operation were: rate of rotor revolution (no = 10.000 and no = 20.000 r.p.m.), circle sieve mesh (80, 120, 200 and 500 µm) and the current intensity. The following technological parameters were studied: mechanical activation time, rotor velocity, mill capacity and specific energy consumption. The mechanically activated powder was examined by application of thermal and thermogravimetric analyses, analysis of the degree of mechanical activation and the specific surface area, as well as X-ray diffraction analysis. The optimal results of the mechanical activation were obtained with a full mill load, using a circle sieve mesh of 80 µm and nominal rate of rotor revolution of 20.000 r.p.m. It was shown that the mechanically activated mica obtained employing these process parameters had passed into the amorphous state.
Extended generalized Mittag-Leffler function applied on fractional integral inequalities
Maja Andric,Ghulam Farid,Josip Pecaric,Muhammad Usama Siddique 대한수학회 2020 대한수학회논문집 Vol.35 No.4
This paper presents several fractional generalizations and extensions of known integral inequalities. To obtain these, an extended generalized Mittag-Leffler function and its fractional integral operator are used.
Enrique Coss-Adame,Janette Furuzawa-Carballeda,Andric C Perez-Ortiz,Ana López-Ruiz,Miguel A Valdovinos,Josué Sánchez-Gómez,José Peralta-Figueroa,Héctor Olvera-Prado,Fidel López-Verdugo,Sofía Narváez-C 대한소화기 기능성질환∙운동학회 2023 Journal of Neurogastroenterology and Motility (JNM Vol.29 No.4
Background/AimsThe evidence suggests that a shorter esophageal length (EL) in gastroesophageal reflux disease (GERD) patients is associated with the presence of hiatal hernia (HH). However, there are no reports of this association in patients with achalasia. The aim is to (1) determine the prevalence of hiatal hernia in achalasia patients, (2) compare achalasia EL with GERD patients and healthy volunteers (HV), (3) measure achalasia manometric esophageal length to height (MELH) ratio, and (4) determine if there are differences in symptoms between patients with and without hiatal hernia. MethodsThis retrospective and cross-sectional study consist of 87 pre-surgical achalasia patients, 22 GERD patients, and 30 HV. High-resolution manometry (HRM), barium swallow, and upper endoscopy were performed to diagnose HH. The EL and MELH ratio were measured by HRM. Symptoms were assessed with Eckardt, Eating Assessment Tool, and GERD–health-related quality of life questionnaires. ResultsThe HH in GERD’s prevalence was 73% vs 3% in achalasia patients (P < 0.001). Achalasia patients had a longer esophagus and a higher MELH ratio than HV and GERD patients (P < 0.001). GERD patients had a lower MELH ratio than HV (P < 0.05). EAT-10 (P < 0.0001) and Eckardt (P < 0.05) scores were higher in achalasia without HH vs HH. ConclusionsThe prevalence of HH in achalasia is significantly lower than in GERD. The longer EL and the higher MELH ratio in achalasia could explain the lower prevalence of HH. Despite the low prevalence of HH in achalasia patients, the surgeon should be encouraged not to rule out HH since the risk of postoperative reflux may increase if this condition is not identified and corrected.
Structural Design Methodology for Large Passenger and RoRo/Passenger Ships
Zanic, Vedran,Jancijev, Tomialv,Trincas, Giorgio,Nabergoj, Radoslav,Andric, Jerolim The Society of Naval Architects of Korea 2001 Journal of ship and ocean technology Vol.5 No.1
Concept and preliminary structural design methods, including large scale FEM analysis and optimisation, for large passenger ships, car passenger and RoRo/ passenger ships are dis-cussed. Applications and experiences in practical design usage are presented.
Multivariate Analysis of Prognostic Factors in Male Breast Cancer in Serbia
Sipetic-Grujicic, Sandra Branko,Murtezani, Zafir Hajdar,Neskovic-Konstatinovic, Zora Borivoje,Marinkovic, Jelena Milutin,Kovcin, Vladimir Nikola,Andric, Zoran Gojko,Kostic, Sanja Vladeta,Ratkov, Isido Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.7
Background: The aim of this study was to analyze the demographic and clinical characteristics of male breast cancer patients in Serbia, and furthermore to determine overall survival and predictive factors for prognosis. Materials and Methods: In the period of 1996-2006 histopathological diagnosis of breast cancer was made in 84 males at the Institute for Oncology and Radiology of Serbia. For statistical analyses the Kaplan-Meier method, long-rank test and Cox proportional hazards regression model were used. Results: The mean age at diagnosis with breast cancer was $64.3{\pm}10.5$ years with a range from 35-84 years. Nearly 80% of the tumors showed ductal histology. About 44% had early tumor stages (I and II) whereas 46.4% and 9.5% of the male exhibitied stages III and IV, respectively. Only 7.1% of male patients were grade one. One-fifth of all patients had tumors measuring ${\leq}2cm$, and 14.3% larger than 5 cm. Lymph node metastasis was recorded in 40.4% patients and 47% relapse. Estrogen and progesterone receptor expression was positive in 66.7% and 58.3%, respectively. Among 14.3% of individuals tumor was HER2 positive. About two-thirds of all male patients had radical mastectomy (66.7%). Adjuvant hormonal (tamoxifene), systematic chemotherapy (CMF or FAC) and adjuvant radiotherapy were given to 59.5%, 35.7% and 29.8% patients respectively. Overall survival rates at five and ten years for male breast cancer were 55.0% and 43.9%, respectively. According to the multivariate Cox regression predictive model, a lower initial disease stage, a lower tumor grade, application of adjuvant hormone therapy and no relapse occurrence were significant independent predictors for good overall survival. Conclusions: Results of the treatment would be better if disease is discovered earlier and therefore health education and screening are an imperative in solving this problem.