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The catalysts ??/?-Al2O3 ? ??-La/?-Al2O3 were studied by methods of electron microscopy (EM) and temperature-programmed desorption (TPD) of ammonia. Their activity was studied in reaction of ethanol dehydration with formation of ethylene. Modification of ... see more

AbstrakPenelitian ini menelaah struktur fonotaktik fonem di dalam deret vokal dan deret konsonan bahasa Tunjung (Tonyooi). Metode yang digunakan dalam penelitian ini adalah metode deskriptif kualitatif. Berdasarkan data yang diperoleh pada struktur fonota... see more



To find out the potential of hematite in Pulau Beringin, the data analyzing must be done thoroughly towards the hematite on the surface of the soil by doing the Geolistric method. Geolistric method is a Geophysic’s method that learns about the character... see more

PROSPECTS OF SURFACTANTS OF MICROBIAL ORIGIN IN THE MEDICINAL AND COSMETIC PRODUCTSI. R. Pelekh1, S. B. Bilous1, R. I. Vildanova2, O. M. Shulha21Danylo Halytskyi Lviv National Medical University2Department of Physical Chemistry of Fossil Fuels InPOCC, NAS... see more

Flint knives from Late Bronze AgeMost flint tools from the Late Bronze Age are characterized by fortuitousness and technological opportunism, and very few can be grouped in stereotype forms as the ones known from earlier prehistoric periods. However, a si... see more

The amount of paper waste produced resulting in problem; one of the ways to overcome it, is by making paper waste as a recycled paper materials. Recycled paper can be made with a mixture of cellulose and hemicellulose from plants.This study aimed to obtai... see more

The construction industry has a multifaceted relationship with most sectors of the economy in all nations, as well as playing a vital role in social and economic development. One of the main factors that affect the development of the construction industry... see more

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