Past Issue

Mise en évidence des phases majeures de sédimentation dans le dépôt des formations sédimentaires de l’est du bassin sédimentaire tertiaire-quaternaire "onshore" de côte d’ivoire par l’étude de "stone-line"

Stone-lines are an alignment of solid materials observed at Bingerville in the old quarries and at Alépé on the trenches of road. They consist of sub-angular blocks of coarse ferruginous sandstone at Bingerville; and quartz pebbles in Alépé. The study of the stone-line allowed to highlight sediment levels altered in the sequence of sedimentary formations of the eastern onshore sedimentary basin of Côte d'Ivoire. The petrographic correlative analyzes of the solid material in stone-line allowed to determine their origin.

Antioxidant activity of nutmeg bark (myristica fragrans houtt)

This study would be focused on nutmeg bark (Myristica fragrans Houtt) isolation to observe antioxidant activity of nutmeg bark (NB). The result of phytochemicals screening test showed that metabolite secondary compound of NB were terpenoid and tanin. Antioxidant activity from the n-hexane extract of nutmeg bark (n-HENB) was conducted using the DPPH method. Antioxidant activity of n-HENB with DPPH at concentration of 25, 50 and 100 ppm is obtained IC50 63.76 ppm. The results of column chromatography of n-HENB obtained 11 combined fraction, that were fraction of A to K.

Economic feasibility, profitability and mathematical analysis of 432 kw rooftop solar photovoltaic power plant

Energy plays a key role in both the economic growth & prosperity of the country. It determines the pace of development of the developing countries. There is a close relation between the Energy & future growth of a nation. Not only in India but also in the whole world, there is a never-ending and diverging need for energy. Since, ancient times, the energy are derived from one source or another. In much older periods, the demand for light & fuel was met with traditional sources like wood or animal dung or waste plants.

English language majoring students’ use of the english language learning strategies vs. their academic achievement: the case of hawassa university students

This research was meant to examine the correlation between English language majoring students’ use of the English language learning strategies and their academic achievement; it is a correlational study.

How to use the approximate linear system distribution model in pendulum ocsilator (system analysis and control design in old clock tower watch): a manually simultion process

In this theory we see the behaviour of pendulum ocsillation. And see how the old scintist observe the clock watch time effectively. Here we use to calculate the highest angle amplitude to using the approximate linear distribution system with manual simulation system to find out the correct time period by clock watch.

Studies on determination of purity of harvested rain water & non harvested ground water: bacteriological assay

All over the country Rain Water Harvesting has been made mandatory since 1996 as over extraction of ground water and wastage of rainwater have led to severe water crisis. Hydrogeologists says that, it makes ecological and financial sense to harvest rain water or roof top water, for short term use and long term improvement of the water table. It is in Delhi, Andhra Pradesh, Chennai, Kerala, Maharashtra, Gujarat and Madhya Pradesh where its implementation has become successful in water conservation.

Ethiopian public university entrants’ writing skills in english language: the case of hawassa university entrants

This study was intended to examine the Ethiopian public university entrants’ writing skills in English language with reference to Hawassa University entrants. Specifically, the research was meant to examine the entrants’ writing abilities to discuss relevant contents, organize contents appropriately and use accurate grammar, appropriate vocabulary and correct mechanics. To this end, 245 students enrolled at Hawassa University in 2014/15 were made to take part in the study.

Advances in zein- based hybrid bio-nanocomposite: a short review

This paper contains synthetic approach and characterization study of bio-hybrid material based on zein. A novel zein is found as a mixture of protein complexes whose molecular size, solubility and charge depend on the corn variety and the separation method used for extraction. Zein is soluble in various primary, binary and ternary solvent systems, mainly determined by the balance between the polar/nonpolar groups in those systems. Because of the large proportion of hydrophobic residues in zein, this protein is not soluble in pure water.

Systemic amyloidosis with cardiac involvement in a 47 year old nigerian: a case report

Cardiac amyloidosis is a rare clinical disorder caused by extracellular deposition of insoluble fibrils within the myocardium. The rarity of the condition makes it difficult to diagnose, hence a high index of suspicion on the part of the physician is needed. Cardiac amyloidosis should be suspected in patients with unexplained congestive heart-failure symptoms accompanied by low-voltage complexes on ECG, and ventricular hypertrophy with abnormal myocardial texture, described as ‘granular sparkling’ on echocardiogram.

Effect of water-cement ratio on the compressive strength of sandcrete block blended with sawdust ash

The problem of managing agricultural and industrial wastes has become a challenge in recent time. Therefore, research in the area of minimizing waste accumulation through reclamation and recycling has been ignited considering their aesthetic and ecological problems caused by the improper disposal. Areas of research aimed at reducing waste include the use of sawdust ash, rice-husk ash and groundnut-husk ash to partially replace cement in the production of concrete or sandcrete blocks.