Automatic Control System for Shell and Coil Heat Exchanger with Variable Heat Exchange Surface Area by Sit M.L., Juravleov A.A., Patsiuk V.I., Timchenko D.V.

“…The work is devoted to the temperature control system at the outlet of a shell and coil heat exchanger with a variable heat exchange area, subjected to a change in the surface area by changing the level of the heated coolant in the heat exchanger. …”
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Influence of a Walnut Shell Biochar Additive on the Tribological and Rheological Properties of Vegetable Lubricating Grease by Rafal Kozdrach, Pawel Radulski

“…On the basis of the study of vegetable greases, it was found that the addition of 5% biochar from walnut shells produced during pyrolysis in 500 °C had the most favorable effect on the anti-wear properties of the tested greases, while the 5% biochar from walnuts shell prepared via pyrolysis at 400 °C had the best anti-scuffing protection. …”
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Sustainable Shell Formulations as Alternative to the Conventional Soft Gelatin Capsules in Pharmaceutical and Nutraceutical Applications. A Review. by Francisco Javier Palomero‐Hernández, María Ángela Caballo‐González, Francisco Javier de la Mata, Sandra García‐Gallego

“…Its use, alone or in combination with other gelling agents, conditions the softgel production and modifies the properties of shell cover material, and therefore, the softgel capsules. …”
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Investigation of the effects of walnut shell wood particles on the mechanical properties of injection molded wood‐ polyethylene‐polycarbonate composites by Rasool R. K. Al‐Arkawazi, Taher Azdast, Rezgar Hasanzadeh

“…The findings indicate that 0 wt % PC, 20 wt % walnut shell and the particle size ranging from (1.5 to 1) mm is the most effective compound among all the conditions. …”
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Thermomechanical and physicochemical investigation of Raw clay bricks derived from Nomayo clay and palm shell powder lignocellulosic material by Hamka Hamka Adolphe Claudel, Olembe Roland Yves, Djomi Rolland, Ngohe Ekam Paul Salomon, Touani Chualeu Parfait, Biyeme Florent, Tchotang Theodore

“…The aim was to assess the influence of lignocellulosic palm kernel shell powder on the physical and mechanical properties of unfired clay bricks, with a view to proposing a sustainable, lightweight, low-cost construction solution. …”
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Manganese-coated granular oyster shells: a novel approach for heavy metal removal from urban stormwater runoff by Quynh Thi Phuong Tran, Trung Thanh Nguyen, Oanh Nguyen Song Dao, Chia-Yu Lin, Po-Hsun Lin

“…Fixed-bed column studies demonstrated over 90% removal efficiency for Pb(II) and Cu(II) over eight days, confirming MnOx@GOS as an effective adsorbent. With abundant oyster shell waste and a simple synthesis process, MnOx@GOS has great potential for cost-effective, large-scale use in low impact development (LID) systems such as bioretention cells and permeable pavements. …”
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Development of hazelnut shell-derived biochar to support a bifunctional MoCo electrocatalyst for HER/OER in alkaline medium by Jaime Ñanculeo, Teresa Andreu, Ignasi Sirés, Andrés Ramírez, Mara Cea, Benjamín Nahuelcura, Gerson Valenzuela, Karla Garrido-Miranda, María Eugenia González

“…Abstract Hydrogen evolution reaction (HER) and oxygen evolution reaction (OER), the two concurrent reactions for the electrolytic production of green H2, require low-cost and sustainable electrocatalysts for their scale-up, as for example non-noble metals and carbonaceous structures with high surface area. …”
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Revealing the potential of functionalized FeS2 composites as efficient photocatalysts for improved removal of cationic and anionic dyes by Vahid Mohammadbeigi, Ebrahim Allahkarami, Amirreza Azadmehr

“…These findings underscore pyrite's potential as a cost-effective, efficient adsorbent for wastewater treatment, with surface functionalization offering a strategic avenue to tailor affinity for target pollutants, prioritizing adsorption over photocatalytic approaches.…”
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Development and performance evaluation of a solar powered groundnut sheller by Vinod Choudhary, Gajendra Singh, Rajendra Machavaram

“…A solar powered groundnut sheller was developed and evaluated for shelling the groundnut pods with diminished environmental pollution and cost of shelling. …”
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Immobilisation and bioavailability of toxic metals in lettuce (Lactuca sativa L.) cultivated in contaminated soil amended with peanut and sheanut shells biochar by Abudu Ballu Duwiejuah, Abdul-Halim Abubakari, Albert Kojo Quainoo

“…Abstract Low-cost and eco-friendly techniques are required to restore or reclaim metal contaminated land or industry areas. …”
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DESIGN AND FABRICATION OF AN IMPROVED MOTORIZED MAIZE SHELLER/THRESHING MACHINE by ADEWALE SEDARA, EMMANUEL ODEDIRAN, SETH MANUWA

“… One major essential operation in processing maize is shelling of maize. Maize shelling is one of the most important processing operations carried out in maize processing since it’s among the widely consumed grains all over the world. …”
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Effective removal of dyes from aqueous systems by waste-derived carbon adsorbent: physicochemical characterization and adsorption studies by Ali Ender Kuyucu, Ahmet Selçuk, Yunus Önal, İhsan Alacabey, Kadir Erol

“…Abstract Due to their cost-effectiveness and high surface area, activated carbons are commonly used for the adsorption of dyes from aqueous solutions. …”
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Fabrication of hydrogel mini-capsules as carrier systems [version 3; peer review: 1 approved, 4 approved with reservations] by Gaia Petrucci, Stefano Palagi, Elisa Roberti, Francesco Bianciardi

“…In this study, we present a cost-effective method for fabricating core-shell structures without the use of organic solvents, surfactants, or extreme pH conditions. …”
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Construction of Hierarchical CuCo2O4-Ni(OH)2 Core-Shell Nanowire Arrays for High-Performance Pseudocapacitors by Ilham Azmy*, Jun Wang

“…The hierarchical CuCo2O4-Ni(OH)2 core-shell nanowire arrays on Ni foam were fabricated using facile and cost-effective two-step hydrothermal synthesis. …”
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Attapulgite/oyster shell composite reduces cadmium and lead bioavailability in acidic agricultural soils through synergistic adsorption and pH regulation by Hongyan Zhu, Yangping Wen, Qingyin Shang, Xinyu Chen, Yuzhen Huang, Peiyue Liu, Chengcheng Wang, Xiuxia Yang

“…This study presents the development of a cost-effective dual-functional adsorbent, the attapulgite-oyster shell (ATP–OS) composite, engineered for the simultaneous removal of co-contaminated Cd(II) and Pb(II) ions. …”
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Enhanced PCM melting performance in shell and tube latent heat thermal energy storage systems using optimally positioned porous fins by Alireza Jaberi, Siamak Hossainpour

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Optimization of the flow guiding fins configuration and tube arrangements in a shell and tube heat exchanger: coupling response surface methodology and CFD by Xiangmin Shao, Ali Marzban, Farzad Pourfattah, Omid Ali Akbari, Gholamreza Ahmadi, Nafiseh Emami, Soheil Salahshour

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Reusing waste biomass in crop protection—Calcinated oyster shell powder enhances rhizospheric microbial-mediated suppression of root-knot nematodes by Qipeng Jiang, Jiamin Yu, Yong Wang, Jinfeng Wang, Lianqiang Jiang, Shiping Guo, Yu Qian, Xiangwen Yu, Dongyang Liu, Daojiang Xi, Quan Deng, Wei Ding, Shili Li

“…Root-knot nematodes (RKNs), particularly Meloidogyne incognita, are one of the most destructive plant-parasitic nematodes (PPNs) affecting crop production worldwide. …”
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Analytical justifications of constructive parameters of bionic colters for vertical soil treatment by E. Aliiev, H. Tesliuk

“…Bionic coulters imitate natural forms and functions, which help reduce energy costs for soil tillage. The aim of the research was to justify the design and structural parameters of turbo discs (coulters) for vertical tillage based on the principles of bionic reverse engineering. …”
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Sustainable development of chitosan-gelatin composite films for food packaging using crude chitosan extracted from American lobster (Homarus americanus) shell waste by Abhinav Jain, Beth Mason, Marianne Su-Ling Brooks

“…In particular, the applicability of crude chitosan extracted from waste lobster shells (without additional purification steps) as a cost-effective and sustainable feedstock is highlighted, offering an eco-friendly alternative to conventional plastic food packaging.…”
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