an adsorbent was developed from matured leaves of the aloe barbadensis miller plant for removing pb(ii) from aqueous solutions. adsorption was carried out in a batch process with several different concentrations of pb(ii) by varying amount of adsorbent, ph, agitation time and temperature. the uptake of the metal was initially very fast, but gradually slowed down indicating penetration into the ...

77 THIS FEATURE PRESENTS A RELAtively unique concept for urban arterial highway interchanges. The interchange has been named the Echelon Interchange because of its symmetrical, but offset, pair of two-phase one-way pair intersections—one elevated over the other. An observer1 noted that the interchange resembled a flying formation used by the U.S. Navy Flight Demonstration Team, the “Blue Angels...

... with well-functioning markets (and neutral taxes) and rational investors, who can ‘undo’ the corporate financial structure by holding positive or negative amounts of debt, the market value of the firm – debt plus equity – depends only on the income stream generated by its assets. It follows, in particular, that the value of the firm should not be affected by the share of debt in its financi...

one of the most important playwrights who had a great influence and control on post-war american drama was arthur miller. in his plays, miller shows the contrasting values in american capitalistic society. in all my sons, he shows that how materialistic values become much more important in a society where people are alienated from each other and are fragmented. he also portrays a society which ...

the normativity of mental content thesis appears to have been the most influential in contemporary philosophy of mind. paul boghossian (2003, 2005) has developed an argument for the normativity of mental content on the basis of two premises, i.e. firstly, the normativity of the notion of belief and secondly, the priority of the notion of belief to the notion of desire. in his recent article ale...

in order to investigate the influence of bio- and chemical fertilizers on growth parameters and essential oil of fennel (foeniculum vulgare miller.), an experiment based on randomized complete blocks design with five treatments and three replications was carried out. arbuscular mycorrhizal fungi (strain sebacina vermifera) and phosphate dissolving bacteria (genera peseudomonas) were applied as ...

the medicinal plants have been used since ancient times and are still utilized by the majority of the population. hence, it is essential to investigate the cytotoxic and genotoxic effects of these plants. the aim of this study was to evaluate the toxic effects of fennel seeds decoctions, traditionally used in iran as an herbal remedy.  the cytotoxicity was tested in vitro using allium cepa l. r...