ground water is the major source of drinking water in rural and semi-urban areas of assam. it contains an excessive amount of iron (1 to 10 mg/l). people living in rural and semi-urban areas of assam uses indigenous household iron filter units – developed using community prepared wooden charcoal (cpwc) and river sand (rs) as filter media. cpwc and rs processed and respectively termed as process...

Charcoal is an environmentally friendly, biodegradable, and economical material. This material usually produced by slow pyrolysis—the heating of wood or other substances in the absence oxygen. The aim this study was to investigate acoustic efficiency charcoal design diffuser that utilizes charcoal. Samples different types tree charcoal—birch (Betula pendula), pine (Pinus sylvestris), oak (Querc...

Activated carbon is broadly defined to include a wide range of amorphous carbonbased materials prepared in such a way that they exhibit a high degree of porosity and an extended surface area [1]. Moreover, all non-carbon impurities are removed and the surface is oxidized. Although today the term ‘activated carbon’ is taken for granted, a long time elapsed before it became generally adopted. The...

Minbar is one of the most important additional architectural elements of any mosque. Its importance in emphasizing the Qiblah direction as well as the position of Imam in order to deliver sermon (khutba) leads to the flourish and interference of a fairly large number of handicrafts like wooden decorations and related features specific to the mosque architecture like tile works and stucco design...

Ultrasonic propagation velocity across wood fiber direction was measured in wooden bridges in order to investigate the possibility of nondestructive deterioration diagnosis of wooden bridges. The measurements were carried out for three different types of wooden bridges. The periodical measurement was also made for one of them to investigate its secular change. The results were : (1) The histogr...

This paper teases the wooden architectures at Yimianpo in the period of Chinese Eastern Railway, analyzes the construction of the wooden architectures, classifies them according to the wooden structure system, and uses relevant protection and repair technologies for research according to their characteristics, in order to find reasonable protection and repair technologies for the wooden archite...

We report a patient with a wooden foreign body granuloma in the intervertebral disc space being symptomatic 17 years after a paraspinal penetrant trauma. According to the our result of the search for wooden foreign body granulomas, this is the first case suffered from a wooden foreign body granuloma in the intervertebral disc space that reported in the literature. In this report, we emphasized ...

OBJECTIVE To inspect cigarettes with a triple granular filter for charcoal granules on the cut filter surface and, if present, to determine whether the charcoal granules on the filter are released during smoking. DESIGN 400 Lark cigarettes in 20 packs were examined individually by each of three investigators for the presence of charcoal granules on the cut surface of the cellulose acetate fil...

A total of 280 unsexed broiler chicks, 21 days-old and weighing 580 g on average were randomly distributed into 28 experimental units of 10 birds each. Seven experimental diets containing respectively 0% (T0 control), 20% raw cowpeas (T1), 20% raw cowpeas + 0.2% of Canarium charcoal (T2), 20% raw cowpeas + 0.2% maize cob charcoal (T3), 20% cooked cowpeas (T4), 20% cooked cowpeas + 0.2% Canarium...