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A template-free rapidly mixed reaction was employed to synthesize polyaniline nanofibers using chemical oxidative polymerization of aniline. Hydrochloric acid (HCl) and camphor sulfonic acid (CSA) were used in the synthesis to obtain 30and 50-nm average diameter polyaniline nanofibers. The nanofibers were deposited onto layered ZnO/64◦ YX LiNbO3 surface-acoustic-wave transducers. The sensors we...
Article history: Received 24 January 2009 Accepted 19 July 2010 Available online 27 July 2010
Integrative bargaining, also known as “problem-solving,” “value-creating,” or “win-win” negotiation, is the centerpiece of normative negotiation scholarship and negotiation teaching. It has held this position at least since the publication of “Getting to Yes” by Fisher and Ury in 1981, and perhaps since the publication of “A Behavioral Theory of Labor Negotiations” by Walton and McKersie in 196...
this study investigates the relationships between iranian efl teachers’ perfectionism, burnout and their teaching style preferences, and also the difference between male and female efl teachers and their teaching style preferences. to this end, a sample of 99 efl teachers (46 males and 53 females), who had years of teaching experience, were selected. the measurement scales used in this study we...
Investigations were made concerning the number and properties of amylase in sugarcane leaves. Enzymes were extracted froin leaf samples which had been frozen, lyophilized, and ground to a fine powder. Techniques of differential solubihty, gel filtiation, and papei electrophoresis were employed to remove amylase from the crude extracts. Solubility studies showed that amylase was moderately preci...
Recent experiments at the 20 MA Z Accelerator have demonstrated, for the first time, implosion velocities up to 110–130 cm/ls in imploding stainless steel wire arrays. These velocities, the largest inferred in a magnetically driven implosion, lead to ion densities of 2 Â 10 20 cm À3 with electron temperatures of $5 keV. These plasma conditions have resulted in significant increases in the K-she...
Pseudomonas aeruginosa keratitis destroys the cornea in susceptible (B6), but not resistant (BALB/c) mice. To determine mechanisms mediating resistance, the role of IFN-gamma, IL-12, and IL-18 was tested in BALB/c mice. RT-PCR analysis detected IFN-gamma mRNA expression levels in cornea that were significantly increased at 1-7 days postinfection. IL-18 mRNA was detected constitutively in cornea...
the aim of this study has been to find answers for the following questions: 1. what is the effect of immediate correction on students pronunciation errors? 2. what would be the effect of teaching the more rgular patterns of english pronunciation? 3. is there any significant difference between the two methods of dealing with pronuciation errore, i. e., correction and the teaching of the regular ...
McCrae and Costa (1990) argued that “personality change is the exception rather than the rule after age 30; somewhere in the decade between 20 and 30, individuals attain a configuration of traits that will characterize them for years to come” (p. 10). Ten years later, two metaanalyses were published on the rank-order consistency (or differential stability) of personality traits. Roberts and Del...
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