Aroma Profile of Fruit Juice and Wine Prepared from Cavendish Banana (Musa Sp., Group AAA) Cv. Robusta

A comparative study of the aroma profile of an alcoholic beverage (wine) and natural juice from banana cv. Robusta was performed. The study showed disappearance and synthesis of many aroma compounds during the fermentation process. Relative abundance of carbonyl compounds was high in the juice, and carboxylic acid content was higher in the wine. Aroma signature compounds of banana juice, isoamyl acetate, butyl isovalerate, isopentyl isovalerate, trans- 2- hexenal and butanoates were present only in a low proportion in the wine, while decanoic, dodecanoic and hexa decanoic acids (as well as their esters) were abundant in the banana wine. Synthesis compounds like methyl nonyl ketone, isoeuginol and 2-methoxy 4-vinyl phenol was greater during fermentation. Elemicin was present in high quantity in both the juice and the wine

A Study on Perception of Quality of Work Life and Job Satisfaction: Evidence from Rayalaseema Region, Andhra Pradesh, India

The study of work environments is very important because it may differentiate between high and low performers among banks. However, there is large gap in studies on exploring the quality of work life in Andhra Pradesh. This study aims to explore the level of Quality of Work Life in the bank industry situated in the Rayalaseema region, Andhra Pradesh, India. It also examines the relationships between environmental factors and job satisfaction. The result reveals that the level of Quality of Work Life of the population is elevated. The bulk of employees have adequate confidence regarding their skills, their job characteristics, opportunity to participate in decision making and relationships. However, some of them complained about their wage levels. Further, the study finds a significant relationship between environmental factors and job satisfaction. This study contributes to the understanding of quality of work life and job satisfaction in a significant area in India, that is, among bank’s employees in Rayalaseema region, Andhra Prades

Distributed Hash Table Implementation to Enable Security and Combat Malpractices

Security has become a global problem in any field. Everyday millions of cyber crimes are being recorded worldwide. Many of them include unethical hacking, unauthorized hampering of files and many more. To avoid such malicious practices many technologies have come up. One such security is DHT or Distributed hash tables. A recently upcoming cyber security, it helps the receiver and sender to send and receive files that are authentic. It also helps to find out if the file is manipulated or tampered by a third party or an unauthorized user by generating unique hash values. This paper mainly focuses on such distributed networks and the security they provide in order to stop malpractices

Variation of Radon Progeny Concentration over a Continental Location

Background: The variation of the radon progeny concentration in outdoor environment and meteorological parameters at fine resolution were studied for one year at a continental location, National Atmospheric Research Laboratory, Gadanki, India.Materials and Methods: The concentrations were measured using Alpha Progeny Meter by collecting air samples at a height of 1 m above the Earth’s surface at a known flow rate. Results: Radon progeny concentration shows temporal variations on diurnal and monthly scales, and is due to mixing in the atmosphere. Peak in the early morning hours and low values during afternoon compared to nighttime are due to differential heat contrast between earth’s surface and its atmosphere. However, the activity during February shows maximum compared to June/July months.The diurnal variation of radon progeny shows positive correlation with the relative humidity and negative correlation with ambient temperature.The monthly mean activity of radon progeny for the year 2012 was found to be 4.76 ± 0.73 mWL. Conclusion: The mean concentration of radon progeny in the study region is relatively high compared to the other locations in India and may be due to the rocky terrains and trapping of air-masses near the observation site due to its topography

2-Bromo-N′-[(Z)-2-bromo­benzyl­idene]-5-methoxy­benzohydrazide

In the title compound, C15H12Br2N2O2, the mol­ecule adopts an E conformation about the C=N double bond and a transoid conformation about the central N—N bond, with a C(=O)—N—N—C(H) dihedral angle of 169.4 (4)°. In the crystal, mol­ecules are linked by N—H⋯O hydrogen bonds, leading to C(4) chains. The packing also features slipped π–π stacking inter­actions, with a centroid–centroid separation of 3.838 (3) Å and a slippage of 1.19 Å

Effect of Particle Size on the Structural and Magnetic Properties of Nanocrystalline Zinc Ferrite

ZnFe2O4 is one of the most important technological material having applications in radio engineering, radio technology, semiconductors, bio-medical applications etc. ZnFe2O4 when in bulk form shows paramagnetic behavior at room temperature. When ZnFe2O4 is synthesized by some techniques it was possible to see the ferromagnetic behavior. Also, ZnFe2O4 in nanocrystalline form exhibit different magnetic properties. Therefore in the present work we intend to present the properties of particle size behavior of ZnFe2O4 nanoparticles. ZnFe2O4 nanoparticles were synthesized by oxalic acid based precursor method. The obtained ZnFe2O4 nano powders were thermally annealed from 300 to 600 °C. The structural and magnetic characterization were measured using X-ray diffraction (XRD), scanning electron microscope (SEM), IR measurements and vibrating sample magnetometer (VSM). XRD patterns clearly showed the formation of zinc ferrite. The particle size was observed to increase from 19 to 35 nm with increasing annealing temperature. The lattice constants were observed to decrease with increasing particle size. The nanoparticles size were confirmed using SEM measurements. IR measurements were carried to confirm the phase formation of ZnFe2O4 nanoparticles. The Infrared spectra showed the characteristic features of vibrational bands corresponding to spinel ferrite. Room temperature ferromagnetic properties were observed for zinc ferrite having particle sizes 19 and 21 nm. For the particle size 29 and 35 nm it showed paramagnetic nature. The magnetic properties of zinc ferrite nanoparticles were observed to be dependent on the particle size.Keywords: Nanoferrites Zn ferrite Structural properties Magnetic propertie

Application of Elliptical Curve Cryptography in Empowering Cloud Data Security

Cloud computing is one of the most preferable and used technologies in IT Industry in the present scenario. Providing security to cloud data in cloud environment has become popular feature in industry and academic research. Cloud Computing is a conceptual concept based on technology that is widely used by many companies these days. The Elliptical Curve Cryptography algorithm ensures the integrity and authentication of secure communications with non-repudiation of communication and data confidentiality. Elliptical Curve Cryptography is also known as a public key cryptography technique based on the elliptic curve theory that can be used to create a fast, small, more efficient and unpredictable cryptographic key. This paper provides authentication and confidentiality to cloud data using Elliptical Curve Cryptography. This paper attempts to evolve cloud security and cloud data security by creating digital signatures and encryption with elliptical curve cryptography. The proposed method is an attempt to provide security to encryption keys using access control list, wherein it lists all the authorized users to give access to the encryption keys stored in cloud

SMART LOCK SYSTEM USING OTP

Humans have invented locks since ancient times, to use them to protect their privacy and personal belongings. They are constantly evolving over the ages for better protection. But the problem is that locking the door these days is not safe and can be easily bypassed. Our doors can be forgotten, and this is a common occurrence for most people. Locks are trying these days to depends on technology by using a code or phone or by card to make our things safer. But there are limits, which are the lack of features to be combined in one place. also, the lack of high-security features. To solve this problem, we need to combine all the modern security features into one lock as well as monitoring features.Thus, we have high security, comfortable opening, and closing systems, and features that help us easier and faster, all requirements do not conflict and help to make our homes safer than before. Today, the provision of a home security system has become an important study in adopting the latest technology to achieve this goal. Wireless network is one of the technologiesused to provide remote monitoring and control of household items. This paper aims to propose a key departmental security system based on Raspberry pi technology where cameras, keypad and pi-lids are used to provide a terrific powerful system to notify the owner, and to inform visitors by giving them a User ID. For this reason, only authorized people will be allowed to enter the departments.The system works by capturing guests with a summary with a code and a camera mounted on the doors at the same time, such snippets will be sent to the owner. The proposed system could beexpanded to accommodate various facilities and services such as banks and offices

Fresnel scatter revisited-comparison of 50 MHz radar and radiosondes in the Arctic, the Tropics and Antarctica

High-resolution radiosondes and calibrated radars operating close to 50 MHz, are used to examine the relationship between the strength of radar scatter and refractive index gradient. Three radars are used, in Kiruna in Arctic Sweden, at Gadanki in southern India and at the Swedish/Finnish base Wasa/Aboa in Queen Maud Land, Antarctica. Calibration is accomplished using the daily variation of galactic noise measured at each site. Proportionality between radar scatter strength and the square of the mean gradient of potential refractive index, M2, is found in the upper troposphere and lower stratosphere at all three sites, confirming previously reported results from many VHF radars. If the radar scatter is interpreted as Fresnel scatter, the constant of proportionality between radar scatter and M2 is found to be the same, within the calibration uncertainties, for all three radars. The radiosondes show evidence of distinct layering with sharp gradients, extending over 10s of kilometers horizontally, but the scatter is found to be two orders of magnitude weaker than would be expected from true Fresnel scatter from such layers. Using radar reflectivities resolved to a few 100 ms, we show that this is due to strong temporal variability in the scattering conditions, possibly due to undulations of the scattering layers. The constancy of the radar scatter – M2 relationship between the different sites suggests an unexpected uniformity in these perturbations between very different regions of the globe