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1

Dr. Jitender Pal and Sunder

Abstract:
Analysis of Six heavy metals Cd, Ni, Zn, Cr, Pb and Cu were measured in eleven types of packaged confectionary items by atomic absorption spectroscopy (AAS). Three different brands of each item have analyzed to find out the heavy metal concentration


1-12
2

Dr. Praveen Goswami (1) & Preeti Sharma (2)

Abstract:
The production of extracellular alkaline protease was studied from the bacterial organism isolated from the soil. Different agro residues as substrate were studied for enzyme production. The highest enzyme production was expressed with Sugarcane baggase


13-19
3

Romus Anal1, Dr. Sanjeev Singh2

Abstract:
Nan-Su has developed a new type of self-compacting concrete that is both lightweight and highly durable (HLSCC). This study examines the mechanical properties of HLSCC in both its fresh and hardened states. The JSCE second-class grading standard was used to test and assess HLSCC's flowability, segregation resistance, and fresh concrete filling ability. After 28 days of curing, researchers examined HLSCC's compressive strength, splitting tensile strength, elastic moduli, and density. Second-class standard of the JSCE states that the lightweight aggregate mix ratio of the HLSCC must not exceed 75% for LC and 50% for new. Compressive strength of HLSCC after 28 days was more than 40 MPa in all but one mix, whereas structural efficiency increased in direct proportion to mix density.


20-27
4

Dr Archana Vashishtha

Abstract:
Understanding the effects of environmental factors on plant germination and seedling establishment is crucial for ecological restoration, agriculture, and conservation efforts. This study aims to investigate the influence of various environmental factors on the germination process and subsequent seedling growth. The three key factors studied are temperature, light access, and moisture conditions. Seeds from various plant species are exposed to varying temperatures, amounts of light, and levels of moisture in controlled studies


28-35
5

S P Mishra

Abstract:
In this current study, we have investigated the phenomenon of second harmonic generation through the nonlinear interaction of Laguerre-Gaussian lasers with arrays of vertically aligned carbon nanotubes. These carbon nanotube arrays are structured on a dielectric surface, and the Laguerre-Gaussian laser beam interacts perpendicularly to the length of the carbon nanotubes. As the field of the Laguerre-Gaussian laser beam engages with the carbon nanotube arrays, the nonlinearity within the medium is induced by the electrostatic restoration force, leading to the displacement of the electron cylinder in relation to the ion cylinder. This nonlinearity gives rise to second and third harmonic electron excursions within the carbon nanotubes. We have derived analytical expressions for the second harmonic nonlinear current density and the second harmonic electric field in carbon nanotubes. The findings and discussions of this theory are illustrated through various graphical representations. Due to the presence of surface plasmon resonance, an enhanced amplitude of the second harmonic electric field is observed when the laser beam frequency approaches approximately √2 times the electron plasma frequency. The Laguerre-Gaussian laser beam generates a significantly larger amplitude of the second harmonic compared to the Gaussian laser beam alone.


36-43
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