نتایج جستجو برای: n has produced 65935tons
تعداد نتایج: 3581181 فیلتر نتایج به سال:
abstract the influence of cation?? and anion?? interactions on the strength and nature of n…h hydrogen bond has been investigated by quantum chemical calculations in s-triazine…3hf complex. ab initio calculations were performed at mp2/6-311++g(d,p) level of theory. the natural bond orbital (nbo) analysis and the bader’s quantum theory of atoms in molecules (aim) were also used to elucidate t...
a pseudomonas aeruginosa mutant derived by random mutagenesis with n-methyl-n¢-nitro-n-nitrosoguanidine, producing high levels of the rhamnolipid biosurfactants was selected on siegmund-wagner (sw) plates. the mutant designated p. aeruginosa ptcc1637 produces rhamnolipids at concentrations 10 time more than parent strain. nmr analysis and surface tension measurement showed that the biosurfactan...
Chamomile is a valuable medicinal plant and is used as spice and herbal medicine. Application of agronomical methods has important role in increasing quantitative and qualitative traits of this medicinal plant. Fertilizer management is an important factor in successful cultivation of medicinal plants, which could have positive effects on their quantitative and qualitative indices. This experime...
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