The effects of different factors on the yield of essential oil from were discussed, and the extraction conditions of essential oil from cumin seeds by salting out-steam distillation technology based on single-factor test and orthogonal experiment, as…
Studies on impact of variation of carbon monoxide concentration to air temperature have been conducted at Simpang Lima, Banda Aceh. Objectives of this research are to determine the level of emissions of carbon monoxide from motor vehicles, to study…
In this study, composites were made from source of virgin HDPE and rice husk/natural bentonite as combined filler and mechanical properties of composites were measured. The purpose of study is to find the best condition of the ratio of rice…
Gravity method was carried out at Seulawah Agam Area to delineate the existence of geothermal source, which is specifically existed in both the geothermal filed of Heutsz’s Crater and.Cempaga’s Crater. The Seulawah Agam is located in Aceh Besar…
A primate Presbytis thomasi lives in a group with uni-male systems (only one adult make in agroup) at Soraya Research Station. These primates performer their daily activity in one home-range and also protect their home-range with provides a specific…
Marble goby (Oxyeleotris marmorata(Bleeker, 1852)) is a freshwater fish species with high demand on market. However, its culture is under production due to insufficient fish seeds. High mortality rate of goby juvenile in hatchery are obtained partly…
The study of noise level distributions have been done in Baiturahman Mosque area. The measurement take place in different places (near the mosque), times and days. The point of the measurement is choosing based on the high appereance level of noise…
Preliminary studies in Screening of Potato (Solanum tuberosum L.) as a result of drought stress (in vitro). This study aim was to determine the limits of potato (Solanum tuberosum L.) to drought stress conditions in vitro using PEG. This research was…
A method suitable for the determination of phosphate in water samples is presented. The flow injection (FI) manifold contain a PTFE reaction coil wrapped around a low power UV lamp and is based on the spectrophotometric determination of…
Study of deposit Cesium-137 (137Cs) activity as a result of the fission product of Fukushima Daiichi Nuclear Power Plant after earthquake and tsunami in 2011 has been done. The purpose of the present research is to study the deposit 137Cs activity on…