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3.340  Articles
1 of 334 pages  |  10  records  |  more records»
The development of technologies for processing oil residues is relevant and promising for Kazakhstan, since the main oil reserves of hydrocarbons in the country are in heavy oils. This paper describes the study of the influence of technolog... see more

Ethylene salah satu produk intermediate dari gas alam, merupakan salah satu senyawa penting dalam mata rantai industri petrokimia. Berdasarkan Pusat Data dan Informasi Kementrian Perindustrian Indonesia, permintaan ethylene di Indonesia pada tahun 2020 me... see more

Indonesia adalah salah satu dari sedikit Negara dengan keanekaragaman sumber daya alam yang melimpah sebagai bahan baku utama industri petrokimia berupa minyak bumi, gas alam, batu bara dan biomassa. Ketersediaan bahan baku tersebut dapat mendorong perkem... see more

 Supported vanadium oxide (5 wt%) on either Kieselguhr or mesoporous MCM-41 was prepared using impregnation method and tested as a catalyst in propane oxidative dehydrogenation (POD). The catalyst samples were characterized using X-ray elemental anal... see more

AbstrakLatar belakang: Hipoksia hypobaric meningkatkan produksi radikal bebas, terutama spesies oksigen reaktif (ROS). Peningkatan ROS akan menyebabkan stres oksidatif bila tidak disertai dengan peningkatan enzim antioksidan. Kondisi ini dapat dikurangi d... see more

RESUMEN La combustión in situ es un método térmico de recobro mejorado de crudos pesados en el que una porción del petróleo se quema (cerca del 10%) a causa de la reacción con oxígeno o cualquier gas oxidante con el fin de generar energía en forma de... see more

The pavement structure tends to shrink under low temperature conditions and cracks will appear upon crossing threshold binder stiffness. Decreasing the binder viscosity at such low temperatures, by introducing additional oil fraction (aromatics and satura... see more

Plant secondary metabolites in Tetrapleuratetraptera fruit meal (TTFM) could be exploited as natural safe feed additives alternative to non- nutritive chemical and antibiotics to enhance rumen fermentation and feed utilization efficiency with negative oxi... see more

Objective: To investigate the effects of EGFR-TKI combined chemotherapy on immune function, tumor markers and oxidative stress in patients with stage-IV lung adenocarcinoma.Methods: This retrospective observational study included 116 patients with stage-I... see more

1 of 334 pages  |  10  records  |  more records»