(446)Cellulose and its Derivatives. II. Infomations on Hydroxyethylcellulosephthalate.

the geopolitics of afghanistan after september 11, 2001, and its impact on iranian national security

abstract u.s. attack to afghanistan after 9/11 provided opportunities for us who tried to become the dominant power after collapse of ussr and bipolar world. thinkers like fukuyama believed american liberal democrats thought would be universally accepted without resistances. liberal democracy is the best and final model of governance; in this regard, united state has moral responsibilities for...

an investigation of the impact of self monitoring on langauge teachers motivational practice and its effect on learners motivation

the central purpose of this study was to conduct a case study about the role of self monitoring in teacher’s use of motivational strategies. furthermore it focused on how these strategies affected students’ motivational behavior. although many studies have been done to investigate teachers’ motivational strategies use (cheng & d?rnyei, 2007; d?rnyei & csizer, 1998; green, 2001, guilloteaux & d?...

On Sampling a Function and its Derivatives

Whittaker 's sampling theorem (Whittaker, 1915; McNamee et al., 1971) for the reconstruction of a frequency-band-limited time-function g(t), f rom its uniform (i.e., equidistant) samples g(k); k ~ J (the class of integers); has been extended by Fogel (1955) and Jagerman and Fogel (1956) to include the simultaneous sampling of g(t) and its first derivative. Fogel's work (1955) is quite incomplet...

Notes on Some Remedies. XI. Antimony and Its Derivatives (Part II)

Theoretical Study of Acenaphthylene and its Derivatives

Polycyclic Aromatic Hydrocarbon (PAH) plays an important role in the formation of combustion-generatedparticles such as soot, and their presence in atmosphere aerosols has been widely shown. The formation of five-membered rings, detected in combustion effluent, is of great interest due to their genotoxic activity.The present study reports an investigation of the electronic structure of Acenapht...