نتایج جستجو برای: increasing l and repeating above steps
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Forensic Computing is a new and quickly developing field. It is in the process of becoming an academic discipline or sub-discipline with all the features from full undergraduate and postgraduate course provision to conferences and journals. An important question in this process of turning into an established discipline is whether it will coincide with the recognition of the graduates as profess...
Most bacterial polysaccharides are composed of oligosaccharide repeating units. There are, however, several examples of polysaccharides in which only part of the “repeating” units contain a certain substituent, e.g., an O-ace@ group, an LX-Dglucopyranosyl group, or an acetalically linked pyruvic acid residue [l]. In a small group of polysaccharides, r_.-rhamnose in the “repeating unit” is repla...
Analysis of 41 histone homologous clones from an isogenic gene library of Drosophila melanogaster showed that non-histone fragments interrupt the histone repetitive clusters at several sites. Long (L) and short (S) forms of the repeating units are distinguished by the insertion of 240 bp into the spacer between H1 and H3 of the L units; Each form appears to be clustered with its own kind. The c...
polyester polyol can be used in high energy propellant as a binder.In this research, polyazido polyester was synthesized from direct polycondensation reaction between adipic acid and 2,2-bis(bromomethyl)-1,3-propanediol. Then, azidation of poly bromoester afford polyazidoester as an energetic polyester. polyazidoester have identified and characterized by FTIR,HNMR,GPC,DSC and elemental analysis...
in civil engineering concrete is a material combined of hydraulic cement, sand, gravel and water. gravel and sand compose 60 to 70 percent of concrete. these aggregates support compression force of concrete. cement paste acts as glue to stick grain together. in bushehr factories producing aggregates do not operate according to astm standards, so that fineness modulus (fm) of the produced sands ...
The X-ray absorption cross section ahove the L edges in Xenon gas has been measured using synchrotron radiation. Multielectron excitation effects are investigated over a few hundred eV region from the Xe-LI, LII. and LIII edges and thc contrihutions from the effects of shakenp and shakeoff to the photoahsorption spectrum are elucidated. Several features for the multielectron excitations were de...
we have two part in this thesis, at first: the interaction of native calf thymus dna (ct-dna) with two anthraquinones including quinizarin (1,4- dihydroxy anthraquinone) and danthron (1,8- dihydroxy anthraquinone) in a mixture of 0.04 m brittone-robinson buffer and 50% of ethanol were studied at physiological ph by uv-vis absorption, florescence, circular dichroism spectroscopic methods, viscos...
Dissociating Improvement of Attention and Intelligence during Written Language Acquisition in Adults
About one tenth of the world’s population cannot read and write sufficiently. Cognitive abilities, such as selective attention and crystallized as well as fluid intelligence, have been defined as crucial factors for the acquisition of written language skills. However, it is unclear whether these abilities are necessary also for the alphabetization of adults. Before and after a one-year alphabet...
Few IS studies have examined the phenomenon of cyberloafing, i.e., nonwork-related Internet use by employees during work time. This in-progress research proposes to take an individual trait approach and investigates the impact of general traits, like the “Big Five,” as well as domain-specific ones, such as computer playfulness. It is hypothesized that while the Big Five will be significant pred...
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