Veneziano Amplitude for Winding Strings

String configurations with nonzero winding number describe soliton string states. We compute the Veneziano amplitude for the scattering of arbitrary winding states and show that in the large radius limit the strings always scatter trivially and with no change in the individual winding numbers of the strings. In this limit, then, these states scatter as true solitons.Comment: 7 page

A Lyapunov Based Approach to Enchance Wind Turbine Stability

This paper introduces a nonlinear control of a wind turbine based on a Double Feed Induction Generator. The Rotor Side converter is controlled by using field oriented control and Backstepping strategy to enhance the dynamic stability response. The Grid Side converter is controlled by a sliding mode. These methods aim to increase dynamic system stability for variable wind speed. Hence, The Doubly Fed Induction Generator (DFIG) is studied in order to illustrate its behavior in case of severe disturbance, and its dynamic response in grid connected mode for variable speed wind operation. The model is presented and simulated under Matlab/ Simulink

An Effective Hash-Based Assessment and Recovery Algorithm for Healthcare Systems

The immense improvements in the latest internet inventions encouraged the adaptation of technology within the healthcare sector. The healthcare systems storing highly sensitive information can be targeted by attackers aiming to insert, delete, or modify the data stored. These malicious activities may cause severe damage to the database accessibility and lead to catastrophic long-term harm to the patients’ health. The adaptation of the most advanced security paradigm does not guarantee full protection. It is possible that the attack is not directly detected. This highlights the need to assess the widespread damage scale before starting the repair of the inconsistent medical database. Within the scope of the damage assessment and recovery, several matrices-based, cluster-based, and graph-based models were introduced. The objective of this work is to correctly assess the damage and recover the database within a suitable time frame and efficient utilization of memory. We use a lightweight structure based on hash tables to gauge the incurred damage and recuperate quickly following an attack. The presented approach is contrasted with other existing ones and demonstrated superior performance

Quantitative determination of alliin in dried garlic cloves and products by high-performance thin-layer chromatography

Purpose: To standardize the garlic samples and its products for alliin contents.Methods: A direct high-performance thin-layer chromatographic (HPTLC) method was developed to determine alliin in Chinese (CG) and Indian garlic (IG) and two other marketed products from USA and UK, respectively. Scanning and quantification were performed at 205 nm. Furthermore, chromatography was performed on pre-coated HPTLC plates with the solvent mixture, n – hexane:ethyl acetate (29:1 v/v), as the mobile phase. In addition, the parameters suggested by International Conference on Harmonization for analytical procedures were considered to validate the proposed method.Results: The system gave a compact spot of alliin at RF = 0.19 ± 0.01 The linear regression data for the calibration plots showed a good linearity (r2 = 0.996) in the concentration range of 200 - 1600 ng. Linear regression equation was represented by Y = 1.792x + 182.855, while LOD and LOQ values were 40.42 ngband-1 and 111.72 ng.band-1, respectively. The method showed excellent accuracy with recovery of 98.20 – 99.10 % and good precision with RSD of 1 - 2.65 %.Conclusion: The proposed method is selective, sensitive and accurate for the determination of alliin in garlic and its products. It is also evident from the results obtained that raw Indian garlic has higher alliin content than Chinese garlic.Keywords: Garlic, HPTLC, Alliin, Hypercholesteremia, Quantificatio

Penilaian Sensitivitas Makula pada Pasien Diabetes Melitus dengan MetodePhototest Recovery TIME Test

Angka kejadian diabetes melitus di Indonesia semakin meningkat tiap tahunnya sehingga angka mortalitas akibat komplikasi diabetes melitus pun meningkat. Salah satu komplikasi dari diabetes melitus (DM) adalah makulopati diabetes. Pada makulopati diabetes akan terjadi penurunan sensitivitas makula. Penurunan sensitivitas makula dapat dinilai dengan menggunakan metode photostress recovery time test. Tujuan dari penelitian ini adalah untuk menilai rata-rata photostress recovery time (PRT) pada pasien DM. Penelitian ini merupakan studi potong lintang yang dilakukan pada pasien DM di RSUP Moh. Hoesin Palembang pada bulan September sampai Desember 2013. Besar subjek penelitian yang didapat adalah 24 orang pasien DM, yang terdiri dari 9 orang laki-laki dan 15 orang perempuan dengan jumlah mata yang diteliti sebanyak 48 mata. Rata-rata PRT pada pasien DM dengan retinopati diabetes adalah 50 detik (SD ±18,318). Rata-rata PRT pada pasien dengan makulopati diabetes adalah 60,83 detik (SD ± 19,783). Kedua mata yang mengalami retinopati diabetes maupun makulopati diabetes memiliki nilai PRT yang lebih panjang dibandingkan dengan pasien DM tanpa retinopati diabetes maupun makulopati diabetes

Influence of cupping treatment on high-intensity anaerobic performance

The use of cupping therapy prior to sports events has increased in popularity, with limited evidence to support its efficacy. The purpose of this study was to evaluate the efficacy of dry and wet cupping therapy on subsequent Wingate anaerobic test (WAnT) performance. Twelve trained men participated in this repeated measures randomized crossover study (age 24.9 ± 4.8 years; body mass index 27.6 ± 14.3 kg.m-2). Participants were familiarized with the ergometer and the Wingate anaerobic test on three separate occasions. They then randomly performed three experimental Wingate tests separated by 48-72 h after either dry cupping (DRY), wet cupping (WET), or no treatment (CON). Repeated measures ANOVA and Pearson’s correlation coefficient were used to analyze data and determine the relationships between WAnT and peak lactate and heart rate (HR). Peak power (PP), mean power (MP), and fatigue index (FI) were similar in all treatments (p=.47-.72). Heart rate (HR) and lactate increased similarly at all time points in all treatments (p<.001 for all comparisons). Post-WAnT peak HR was moderately negatively correlated with PP in all treatments and MP in CON only (p<.05 for all correlations). No other significant correlations were detected. The present findings demonstrate no beneficial effects of wet and dry cupping therapy, and hence do not support its use prior to high-intensity anaerobic sports events