Volume 11 | Issue 3 |

 Abstract

Educational activities halted worldwide during Covid-19, challenging education system to shift to online mode of teaching overnight. Children were using smart hand-held device (SHHD) for minimum 4 to 5 hours per day for approximately five days a week and attending online classes. Prolonged sitting is known to result in poor posture which cause postural deviations in children. Through this study we investigated the impact of smart hand-held device for online learning during covid 19 on cervical posture in school children. Method- Forty-five school children aged 14-15 years fulfilling inclusion criteria were recruited. Subjects craniovertebral angle (CVA) and head tilt angle (HTA) was recorded in relaxed sitting posture and posture adapted during online learning on same day using On Protractor Application. Result- The data analysis reported significant change in craniovertebral angle and head tilt angle in relaxed sitting and posture adapted during online learning (p<0.05). Conclusion- Use of smart hand-held device for online learning has an impact on cervical posture in school children.

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craniovertebral, posture, angle, online, cervical spine

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This paper presents a research model to determine the influence of job satisfaction on the relationship between employee recognition and commitment in public sugar enterprises in the Nyanza region of Kenya. Data from a target population of 2200 was gathered using stratified and simple random sampling techniques. A sample of 327 employees was selected using krejcie and Morgan sample size formula. Results showed that recognition has an effect on employee commitment and also that job satisfaction had an effect on employee commitment. Results further showed that job satisfaction moderated the relationship between employee recognition and commitment. These results add to the body of knowledge and provide new insights into theory and practice. The practical implications and future research directions are also discussed.

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Job Satisfaction, Recognition &Employee Commitment

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An electric bicycle, also known as an e-bike, is a bicycle that is powered by an electric motor. The design and fabrication of an electric bicycle with an auto-recharging mechanism would involve several steps and considerations. First, the design of the electric motor and battery system would need to be chosen based on the desired power output and range of the e-bike. The motor and battery would need to be integrated into the existing frame of the bicycle, which may require some custom fabrication. Next, the design of the auto-recharging mechanism would need to be developed. This could involve incorporating a generator into the e-bike's drivetrain that charges the battery while the bike is in motion, or using regenerative braking to charge the battery when the bike is slowing down. Once the design is complete, the e-bike would need to be fabricated using appropriate materials and techniques. This would likely involve welding the frame, installing the motor and battery, and connecting all the electrical components. Testing and fine-tuning of the electric bike would be done to make sure everything is working as expected. A computerized control system would be used to manage the various components such as the motor, battery, and regenerative braking system. Finally, safety precautions would be implemented such as a safety key to prevent unauthorized access, short-circuit protection, and overcharge protection. This is a summary of the design and fabrication process for an electric bicycle with an auto-recharging mechanism. The actual process would likely be more complex and would depend on the specific design and materials used.

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DC motor, battery, self-charging, alternating voltage, generator

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This project mainly focuses on harmonic analysis on micro grid. Harmonics are waveform distortions in electrical frequency, caused by the change in the load. Frequency in the grid is inversely proportional to the load. We need frequency as constant. We need to calculate all form of harmonics generated at the load side and analyze how frequency and voltage is changing according to the load. Micro grids are a type of grids which are isolated from the utility grid but not totally isolated. If there is any power disruption between micro grid and utility grid, micro grid can generate its own electricity by using alternate generating sources. Micro grid can store and use the energy if there is excess energy in the micro grid it can supply the energy to the utility grid. To provide a reliable system in the islanded micro grid, which type of harmonics are produced by the system when there is change in the load, how to reduce the harmonics produced by the system, how to control the frequency that varies when the micro grid is running on the stored energy using converters. If we improve the operation and stability of the grid, it will reduce the line losses, fuel use, reduces carbon footprint and runs at high efficiency. Using battery management system and renewable energy sources we can increase the efficiency of the grid

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Harmonic analysis, Islanded micro grid, droop based operation

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Information exchange on internet is increased in very high level because of this reason the security risk is also increased on the user's side. Cryptography is used to decrease the risk level. Public and private keys are the base of the Asymmetric cryptography. The time required for encryption and decryption improve the capability of information security. The foundation of public key cryptographic security therefore relies on this hardness of the RSA algorithm. This is a secure factorization based on modern classical cryptographic algorithms. Various techniques are available to find the numerical factors using different algorithms. The best-known set of techniques includes probabilistic integer factorization-based cryptography and geometric elliptic curve cryptography. Both techniques approach the factorization problem differently by generating at least one factor. This paper examines Pollard Rho and Lenstra's algorithm used to decompose integer factorization-based cryptography, finds the number factors, and compares the factorization times for different key lengths. The experimental results will be beneficial to recognize the impact of computation complexity implicated in factoring process of Pollard Rho as well as Lenstra algorithms regarding to time taken in each case.

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Pollard Rho,Lenstra's Algorithm, Result and Discussion.

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This study has been undertaken to compare the effect of proprioceptive neuromuscular facilitation and neural stretch on balance in spastic diplegic cerebral palsy.The study was conducted on 30 patients having spastic diplegic cerebral palsy based on the inclusion and exclusion criteria. Selected subjects were divided in two groups by chit method: Group A- proprioceptive neuromuscular facilitation and Group B-neural stretch. Intervention was given for 6-weeks and 4days a week. The exercise duration lasted about 1 hour per session. Pediatric Berg Balance Scale and 10 Meter walk test was taken before starting the treatment and after the 6-weeks of treatment. All the data were normally distributed. For, Paediatric Balance Scale: Intra Group: Wilcoxon signed-rank Test, Inter Group: Mann-Whitney U Test. For, 10MWT: Intra Group: Paired T Test, Inter Group: Un-paired T Test. With p-value of 0.05, results showed significant improvement in paediatric balance scale In Group A and also showed significant improvement in 10MWT in Group A. Study concluded that that neural stretch was more effective than the PNF stretching in the subjects with spastic diplegic CP.

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Spasticity, Cerebral Palsy, Neural stretch, Balance, Proprioceptive Neuromuscular Facilitation

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A warehouse is a mercantile architecture for entry point of stuff. Warehouses are used by producers, dealers, traders, wholesalers, distributors, customs, etc. The use of a smart WMS is the cherry on top of all of new smart technology. This warehouse should be screened at regular intervals to reduce storage cost of food grains due to atmospheric conditions and are documented. With the enlargement of business and the continuous requirements of the food product multiplicity, traditional techniques of granule management prototype will not meet the requirements due to its heavy capacity and low proficiency. To mitigate the manual labor work and to make the work easier, a smart warehouse is implemented which is enabled with several sensors and technologies. This paper intends to develop an Internet of Things (IOT) based smart warehouse monitoring system. The network of sensors includes vibration, humidity, temperature, fire sensors done with the help of current technology (IOT). Arduino adopts IOT technology to convey the messages. Based on the sensor's data the appropriate data is captured and manipulated based on the limit given in the software and send timely information to the concern department officials of Central warehouse corporation (CWC) through SMS for moderation and corrective actions arising due to atmospheric conditions inside the warehouse. The system developed has great advantages compared with the traditional model in terms of cloud storage of the warehouse data.

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Internet of Things, Smart Sensors, Smart Warehouse, Embedded Systems, Node MCU, Cloud architectures

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 Abstract

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Green chemistry is the new rapid emerging branch of chemistry. The present review work focuses on the importance and economic development of green chemistry. The beginning green chemistry is considered as a response to the need to reduce the damage of the environment by man-made materials and the process used to produce them All chemical wastes should be disposed of in the best possible manner without causing any damage to the environment and living beings. The green chemistry revolution is providing an enormous number of challenges to those who practice chemistry in industry, education and research. It is the design of chemical processes and products which reduce or eliminate the use and generation of toxic, poisonous, hazardous and bio-accumulative chemical substance. Green chemistry is also called as sustainable chemistry. The overarching goals of green chemistry-namely, more resource efficient and inherently safer design of molecules materials, products, and processes can be pursued in a wide range of contexts.

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Green chemistry, Sustainable chemistry, Environment, Economic development, Resource-efficient.

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Gone are the days when profit was the only motive of all the organizations across the globe. Nowadays, the need of protecting the environment and preserving natural resources is gaining more importance in all fields. Researchers have been conducted continuously all over the world to find innovative ways to attain the goal of sustainability. Green finance is defined as the monetary assistance provided for the projects that deal with environmental protection, mitigating the effects of climate change, investing in renewable sources of energy, increasing the green cover, and all other projects related to sustainable development. This article considers the aspects of Green Banking, Green Insurance, and Green Bonds as a part of Green Financing. It also evaluates the opportunities and challenges for Green Finance in developing countries like India with the help of existing literature and attempts to give new insight about Green Finance as an effective tool of Sustainability.

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Green Finance, Sustainable Development, Green Investment Product, Awareness

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Creative Commons Attribution 4.0 and The Open Definition