BACKGROUND There are different street substance users' communities (SSUCs). Typology of SSUCs in Tehran, Iran was approached in this qualitative study. METHODS Using content analysis and saturation principles, 22 street-outreach workers were recruited and interviewed. Data were analyzed using open, axial, and selective coding. FINDINGS Three types of SSUCs were identified. SSUCs were differ...

Calotropis gigantea R.Br. (Asclepiadaceae) a widely growing plant has been reported to possess number of medicinal properties and other purposes. Since ancient times plants have been used as source of therapeutic agents. Plants are playing a significant role in the indigenous system of medicine to combat diseases. The traditional medicine involves the use of different plant extracts or bioactiv...

-This paper describes an automatic color sorting system for hardwood edge-glued panel parts. The color sorting system simultaneously examines both faces of a panel part and then determines which face has the “better” color given specified color uniformity and priority defined by management. The real-time color sorting system software and hardware are briefly described. An actual working system ...

Alstonia boonei De Wild is a herbal medicinal plant of West African origin, popularly known as God's tree or "Onyame dua". Within West Africa, it is considered as sacred in some forest communities; consequently the plant parts are not eaten. The plant parts have been traditionally used for its antimalarial, aphrodisiac, antidiabetic, antimicrobial, and antipyretic activities, which have also be...

Grassland vegetation typically comprises the species groups grasses, herbs, and legumes. These provide different functional traits feed values. Therefore, knowledge of botanical composition grasslands can enable improved site-specific management livestock feeding. A systematic approach was developed to analyze managed permanent grassland using hyperspectral imaging in a laboratory setting. In f...

The performance of herbivorous insects is related to the locations of defenses and nutrients found in the different plant organs on which they feed. In this context, the females of herbivorous insect species select certain parts of the plant where their offspring can develop well. In addition, their offspring can adapt to plant defenses. A system where these ecological relationships can be stud...