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439  Articles
1 of 45 pages  |  10  records  |  more records»
Sampah styrofoam dapat diolah dengan cara didaur ulang menjadi beberapa produk. Salah satunya adalah teknik pirolisis. Penelitian ini bertujuan untuk mempelajari pengaruh  katalis yang efektif dan murah dalam pirolisis. Hasil penelitian pirolisis den... see more

Sampah styrofoam dapat diolah dengan cara didaur ulang menjadi beberapa produk. Salah satunya adalah teknik pirolisis. Penelitian ini bertujuan untuk mempelajari pengaruh  katalis yang efektif dan murah dalam pirolisis. Hasil penelitian pirolisis den... see more

Penelitian ini bertujuan untuk menganalisis pengaruh konsentrasi dan sifat permukaan yang dikorelasikan dengan rasio Si/Al katalis silika-alumina dalam cracking sampah plastik polypropylene untuk produksi bahan bakar cair. Penelitian ini menggunakan kompa... see more

This study aims to determine the effect of milling time and sintering temperature parameters on the alumina transformation phase in the manufacture of Aluminium Matrix Composites (AMCs) reinforced by 20 % silica sand tailings using powder metallurgy ... see more

Molybdenum-99 (99Mo) is the parent radioisotope of technetium-99m (99mTc),an essential medical radioisotope for diagnostic agents in nuclear medicine.In 99Mo/99mTc generator, a chromatography column system with 99Mo adsorbent as afiller is usually used to... see more

In the present work, results of a numerical study carried out using finite volume method, to investigate the fluid flow and heat transfer characteristics of Alumina (?Al2O3?) nanoparticles in the base fluid (water) in a square cavity under natural convect... see more

No processo de fabricação por usinagem, vários fenômenos atuam de maneira individual e/ou simultânea, entre eles podem ser destacados, os fenômenos que levam a formação de cavaco, esforços de corte, temperatura, qualidade superficial do material usinado, ... see more

O presente trabalho presta-se a avaliar e comparar a infiltração da alumina alemã VITA com duas aluminas comerciais, traçando o paralelo entre elas, avaliando a possibilidade de substituição da tecnologia estrangeira por tecnologia nacional, com custos ma... see more

O comportamento elétrico e microestrutural de cerâmicas à base de óxido de alumínio (Al2O3) puro e dopado com 0,5 mol% de óxido de nióbio (Nb2O5) foram investigados. O efeito desejado da dopagem é que o processo de sinterização, a condutividade elétrica e... see more

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