Reliance Industries (India)

ABSTRACT Sol Gel assisted auto‐combustion method used to synthesize the polycrystalline powder of Co x Zn 1‐x Fe 2 O 4 with the varying Co proportion from 0.0 to 0.3. The structural phase identification of the sample was studied using the powder x‐ray diffraction technique. XRD data revealed the Cubic structure with Fd3m space group of the synthesized ferrite material. The doping of Co ion has not altered the crystal structure, while it has contributed to the slight change in the unit cell volume and lattice parameter values. No secondary peaks are observed in the XRD data. Morphological study showed agglomeration of particles in the prepared cobalt‐doped zinc ferrite material. The Energy Dispersive Spectroscopy (EDS) confirmed the incorporation of Co 2+ ions within ZnFe 2 O 4 host lattice. The Fourier Transform Infrared spectroscopic (FTIR) study showed that the peaks around 555‐542 cm −1 and 418‐412 cm −1 correspond to the strong metal ferrite bonds in Tetrahedral (A—site) and Octahedral (B—site), respectively.

ABSTRACT This study presents a comprehensive investigation into the influence of various inorganic fillers—namely calcium carbonate (CaCO 3 ), wollastonite (CaSiO 3 ), aluminum (Al) powder, and titanium dioxide (TiO 2 )—on the mechanical, thermal, and morphological properties of a Bisphenol‐A‐based epoxy resin matrix. The primary objective of this study was to comparatively evaluate the extent of property enhancement imparted by each inorganic filler to the Bisphenol‐A epoxy matrix, to identify filler–performance relationships that can guide industry‐specific material selection and formulation. Despite extensive studies on epoxy–inorganic filler composites, most prior works have focused on single fillers, narrow concentration ranges, or isolated property evaluations, leaving a lack of systematic, side‐by‐side comparison under identical conditions. This study addresses this gap by evaluating these four industrially relevant fillers across a wide dosage range to establish their comparative influence on the mechanical, thermal, and morphological behavior of a Bisphenol‐A epoxy matrix. Each filler was incorporated into the epoxy matrix at 2.5–20 wt%, yielding distinct, filler‐specific property responses. Calcium carbonate produced the highest lap‐shear strength (13 MPa at 15 wt%), whereas wollastonite resulted in the greatest pot‐life extension (165 min at 15 wt%). Aluminum (Al) powder generated the maximum Shore‐D hardness (86.6 at 10 wt%) but was accompanied by a reduction in thermal resistance. In contrast, titanium dioxide consistently decreased pot‐life across all loadings. FTIR confirmed effective filler incorporation, while DSC showed a progressive increase in T g with increasing filler content. TGA results indicated enhanced thermal stability, particularly for CaCO 3 . SEM micrographs revealed uniform dispersion at optimal loadings and agglomeration at higher concentrations, consistent with observed mechanical trends.

In the domain of Photovoltaic (PV) power generation, the occurrence of hotspot phenomena is prevalent due to various factors, including cell mismatches within strings, shading, and mechanical damage. These hotspots are mitigated through the implementation of Bypass Diodes (BD). Innovative methodologies for hotspot mitigation integrate an additional active switch in series with the substring, in conjunction with the BD. This paper delineates a methodology designed to enhance these techniques by incorporating series and pull-down resistance within the gate circuit. Furthermore, it introduces a novel Complementary Switching Hotspot Mitigation (CSHM) circuit, which utilizes n-MOSFET and p-MOSFET components in series with the substring and within the bypass branch, respectively. The complementary switching performance is evaluated prior to constructing the CSHM module for experimentation. A comprehensive series of experiments has been executed on a 50-watt panel. A comparative analysis with conventional passive methods and prior techniques reveals a reduction in temperature in the shaded cell and an increase in output power. Moreover, the CSHM approach is practical, scalable, straightforward, and compatible with existing PV systems, thereby offering a resilient and effective solution for real-time hotspot mitigation.

A conveying system of any kind is used to transport a material from one source place to destination or receiving place. For the chosen method of pneumatic conveying, air is used as the transport medium. It is applicable to most fine powder to granular materials, be they in that form naturally or have to be pulverised or crushed. In this system, energy is needed to accelerate the material from rest, to lift it as required and to overcome the losses due to friction. Rice husk is by-product which results from paddy, the husk is removed by friction as the paddy grains pass between two abrasive surfaces that move at different speeds. It has been used as building material, fertilizer, insulation material, or fuel. Combustion of rice hulls produces rice husk ash (RHA) which is a potential source of amorphous reactive silica. Most of the ash is used in the production of Portland cement. The ash is a very good thermal insulation material. Rice husk though been not easily transportable material, however, certain operational sequences, precautions at feeding zone and with sufficient motive force (flow and pressure) rice husk can be transported which was resulted in Conveying Flow lab tests. Rise husk has high silica content and is abrasive, the conveying velocities are keen to investigate. This paper explains the setup used for this trials, characterization of material used as feed, conveying parameters achieved.

The internationalization of Islamic Higher Education Institutions (IHEIs) remains understudied despite its growing significance in global higher education. While mainstream institutions have been extensively researched, IHEIs face unique challenges due to their religious identity, mission, and distinct stakeholder expectations. This study addresses this gap by analyzing IHEIs' internationalization efforts through Resource Dependence Theory (RDT), which posits that organizations strategize to secure critical external resources. This research uses a qualitative multiple-case study design to examine four diverse IHEIs through semi-structured interviews and document analysis. The findings reveal that IHEIs pursue internationalization to access funding, students, faculty expertise, and legitimacy while balancing Islamic identity-specific dependencies. Key strategies include diversification of partnerships, negotiation with accreditors, and adaptation to global standards. Challenges include financial constraints, geopolitical instability, and tensions between Islamic values and secular academic norms. Conversely, opportunities arise from niche student markets, Islamic funding networks, and global collaborations. The study concludes that IHEIs proactively manage dependencies to enhance autonomy and sustainability. By applying RDT, this research provides new insights into how IHEIs navigate global higher education dynamics while preserving their religious mission, offering valuable implications for policymakers and institutional leaders. Internasionalisasi Perguruan Tinggi Islam (PTKI) masih kurang diteliti meskipun perannya semakin penting dalam pendidikan tinggi global. Berbeda dengan institusi arus utama yang telah banyak dikaji, PTKI menghadapi tantangan khas yang berkaitan dengan identitas keagamaan, misi, dan ekspektasi pemangku kepentingan yang berbeda. Studi ini mengisi kekosongan tersebut dengan menganalisis upaya internasionalisasi PTKI menggunakan Resource Dependence Theory (RDT), yang menyatakan bahwa organisasi menyusun strategi untuk memperoleh sumber daya eksternal penting. Penelitian ini menggunakan desain studi kasus ganda kualitatif, mencakup empat PTKI yang beragam melalui wawancara semi-terstruktur dan analisis dokumen. Hasilnya menunjukkan bahwa PTKI mengejar internasionalisasi guna memperoleh pendanaan, mahasiswa, keahlian dosen, dan legitimasi, sambil menyeimbangkan ketergantungan yang terkait dengan identitas Islam. Strategi utama meliputi diversifikasi kemitraan, negosiasi dengan lembaga akreditasi, dan adaptasi terhadap standar global. Tantangan yang dihadapi meliputi keterbatasan finansial, ketidakstabilan geopolitik, serta ketegangan antara nilai Islam dan norma akademik sekuler. Namun, peluang juga muncul melalui pasar mahasiswa khusus, jaringan pendanaan Islam, dan kolaborasi global. Studi ini menyimpulkan bahwa PTKI secara aktif mengelola ketergantungan untuk meningkatkan otonomi dan keberlanjutan kelembagaan.

Recent years, LoRa-based IoT edge devices are growing in popularity due to their long-range communication capabilities and low power consumption. However, LoRa-based IoT devices often lack builtin encryption function, making secure data transmission is a critical challenge. The standard lightweight GIFT encryption algorithm is enhanced using chaotic map based secret key generator. A nonlinear weighted sum approach is proposed to improve the randomness of combined chaotic map-based secret key generator. This approach is computationally efficient with increased security, ensuring robust and lightweight data protection for LoRa-based smart devices secure data transmission. The efficiency of our proposed system was validated using NIST randomness tests, correlation analysis and execution time in various IoT-based embedded hardware platforms. The experimental results show that our proposed system passes all NIST randomness tests and takes low execution time.