Volume 12 | Issue 6 |

 Abstract

Abstract: The dark web is a section of the internet that is hidden and can only be accessed with particular software and set ups. By operating out side of the scope of conventional search engines, it provides users with anonymity through encryption and networks that provide anonymity, like tor. the dark web is home to a variety of unlawful activities,such as forums for cybercrime services and extermist information, as well as black markets for illegal good like drugs, guns,and stolen data. The Dark Web affects privacy and free speech,but it also offers serious problem for society and law enforcement because of its link to criminal activity and the complexities of controlling its decentralised character.

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Machine learning

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Abstract--The optimized design and simulation of a solar photovoltaic (PV) power generation system tailored for residential applications. Through MATLAB Simulink, key components including PV panels, a DC-DC boost converter, an inverter, and a passive filter are modeled and integrated to efficiently harness solar energy. Emphasis is placed on enhancing power conversion efficiency while considering the influence of solar irradiation and temperature. The design intricacies of the DC-DC boost converter and inverter facilitate seamless DC to AC power conversion, addressing residential load requirements. Integration of a passive filter ensures grid compatibility by mitigating harmonics. Optimization techniques are applied to maximize solar power utilization, resulting in an efficient and reliable system. Simulation results validate the system's performance, which is further confirmed through experimental validation. This study contributes insights into sustainable energy solutions, offering a refined approach to residential solar PV systems.

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Keywords--Solar Photovoltaic System, MATLAB Simulink, Residential Applications, Power Conversion Efficiency, DC-DC Boost Converter, Inverter Design, Passive Filter Integration, Solar Irradiation, Temperature Effects, Optimization Techniques.

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Attention Deficit Hyperactivity Disorder (ADHD) is a complex neurodevelopmental condition that affects children's ability to focus, control impulses, and manage behaviors, often leading to challenges in emotional regulation and interpersonal relationships. Dance therapy, an expressive form of therapy that combines movement with psychological benefits, has gained attention for its potential to improve emotional well-being and social skills in children with ADHD. The aim of this study was to assess the effectiveness of dance therapy in enhancing interpersonal relationships among children with Attention-Deficit/Hyperactivity Disorder (ADHD). A quasi-experimental design was employed, with a sample of 8 children from a special children's center in Chidambaram. The Children's Interpersonal Relationships and Attitudes Assessment (CIRAA) by Holliman & Ray (2013) was used to measure interpersonal relationships, respectively. Participants underwent a structured dance therapy program over 8 sessions during four weeks. To analyze the pre- and post-intervention data, a paired-sample t-test was employed to determine statistical significance in changes in interpersonal relationship scores. Results indicated that after the intervention, there was a statistically significant improvement in interpersonal relationships among the ADHD children. These findings suggest that dance therapy could be an effective complementary approach in enhancing emotional and social outcomes in children with ADHD. Further research with larger samples and control groups is recommended to validate these findings and explore the mechanisms underlying the benefits of dance therapy in this context.

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Dance therapy, interpersonal relationship, ADHD

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This paper presents a concise overview of biosensors, their components, characteristics, supporting Bio sensing technologies, and mechanisms of biological recognition elements. It discusses advancements in electrochemical, optical, piezoelectric, and calorimetric-based biosensors, highlighting their principles, recent developments, and medical applications.

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Biosensors, optical biosensors Sensors, piezoelectric biosensors and Calorimetric-based biosensors etc.

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--The use of renewable energy is increasing and decreasing the use of dangerous fossil fuels.It is inefficient to link fuel cells or photovoltaic (PV) panels in series and parallel to meet the grid's energy needs from renewable sources. From now on, the combination of step-up dc-dc converters and attractive renewables will fulfill load requirements in several low-power applications.The quadratic boost converter is more often used than the buck and buck-boost converters due to the demand of voltage gain.Using a traditional quadratic boost converter to achieve high gain at a high duty ratio will result in increased voltage, stress, and lower efficiency.The suggested converter is made to produce high gain at a lower duty ratio and lower voltage stress.A voltage multiplier cell added to the rear end of this construction reduces the voltage stress across the switches.By modeling the converter in Matlab/SIMULINK R2020b, results are obtained.According to the simulation findings, the suggested high-gain converter achieves a maximum operating efficiency of 89% while delivering high-gain and reducing voltage stresses in switching devices.The hardware prototype was developed with an output of 10.8V and an input of 2V using a microcontroller TMS320F28027F.

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Voltage multiplier cell (VMC), Gain, Efficiency, Switched inductor, Pulse-width modulation (PWM).

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Leucas cephalotes is a rainy season weed and has been traditionally used as mild stimulant, diaphoretic, fever and liver disorder. The present study was carried out to investigate Pharmacognostical and phytochemical screening of leaf. In the Pharmacognostical studies, leaves showed the presence of vascular bundle, sessile glandular trichomes, palisade and anomocytic stomata. Ash value, extractive value, and moisture content was determined for quality standard of drugs. The powdered drugs were defatted with petroleum ether and successively extract performed with different polar solvents. Phytochemical investigation shows the presence of flavanoids, phenol, phytosterol and tannins. The result of the study could be useful for identification and preparation of monograph of the plant.

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Leucas cephalotes, Phytochemical screening, Pharmacognostic

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Introduction Aims and objectives Methodology Result Conclusion

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AS, KT, VAS

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The concept of self is probably the most distinctive and indispensable concept in psychology. Self-concept is the overall idea we have about who we are and includes cognitive and affective judgments about ourselves. Self-concept is multi-dimensional, incorporating our views of ourselves in terms of several different aspects (e.g., social, religious, spiritual, physical, emotional. With a view to construct and standardize the self-concept tool, the researcher selected research components such as self-awareness, self-direction, self-esteem, self-control and self-image to collect the research data. Survey research method was used to collect the quantitative data from the secondary level students. The students of Kutch district from the total population of Central Gujarat were selected for the study through simple random sampling technique. The researcher prepared 50 statements in the tool under 5 dimensions of self-concept. 10 questions were there in each dimension. After revising and editing carefully the tool was given to the research expert for their valuable suggestions and corrections to ensure the quality before standardizing the tool. Thus, content reliability was established. The students of self-financing English medium schools were given the questionnaire. The collected quantitative data were analyzed through correlation analysis technique. The major findings of the study indicate that the students are having a positive correlation between their self-concept and the given dimensions which are self-esteem, self-control and self-image.

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Self Concept, Adolescent, Correlation

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These days, high gain DC-DC converters are re- quired due to the growing usage of solar energy resources. Low efficiency and increased voltage stress are the results of employing a traditional boost converter running at a high duty ratio to achieve high gain.The suggested converter is made to have a low duty ratio, less voltage stress, and a high gain. In order to create this construction, a voltage multiplier cell is added to the rear end of a traditional buck boost converter using a capacitor and diode. This lowers the voltage stress across the switches. Switches with low voltage ratings can thus be utilized.Additionally, a suggested converter that satisfies every need for DC-DC converters in solar applications is examined. This converter has the features of a broad voltage conversion range, constant input current, and high conversion efficiency. A detailed analysis is conducted of the converter's steady-state features and principles of operation. By modeling the converter in MATLAB/SIMULINK R2017b, results are obtained. According to the simulation findings, the converter reaches a peak efficiency of 85% and has a significant voltage gain. A TMS320F28027F microcontroller is then used to implement the hardware prototype with a 2V input, yielding an output of 8.5V.

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Voltage Multiplier, SEPIC, Efficiency, Photovoltaic (PV)

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In recent years, the Indian film industry has produced numerous movies that tackle pressing gender issues, shedding light on women's independence, sexual assault, and empowerment. This research paper examines the portrayal of gender issues in the Indian film industry, focusing on the 2020 Bollywood film "Thappad," directed by Anubhav Sinha and starring Taapsee Pannu. Recent years have seen a surge in films that address pressing gender issues, highlighting themes of women's independence, sexual assault, and empowerment. Movies such as "Queen," "Pink," "Hidden Figures," "Bandit Queen," and "Begum Jaan" have depicted these themes through narratives that showcase women's struggles and triumphs. "Thappad" stands out for its poignant exploration of domestic abuse and gender dynamics. The film centers on a single slap that shatters the seemingly perfect life of the protagonist, Amrita, and delves into the broader ramifications of this act on her and the women around her. By presenting the experiences of characters from diverse backgrounds, "Thappad" exposes the pervasive nature of domestic violence and challenges societal norms that undermine women's independence and self-respect. This paper argues that the film's powerful message and nuanced portrayal contribute significantly to the ongoing discourse on gender equality in contemporary cinema.

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Domestic violence, Dreams, Gender Dynamics, Female Empowerment, Freedom, Individuality.

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