The biphenyl-bridged. chiral zirconocene complex rac-2.2' -biphenyl-bis( 3.4-dimethylcyclopentadienyl I zirconium dichloride catalyzes the reaction of 1.6and 1,7 -dienes with excess dibutyl magnesium to bis( butyl-magnesio-methyl '-substituted cycloalkanederivatives. Analogous reactions occur with butyl magnesium chloride and with heteroatom-t.:Ontaining dienes. The preference of 1.6-dienes for...

a response to the problem of irans backwardness preoccupied the minds of intellectual and political forces. since irans failure from russia while different domestic and external factors caused to defeat, differend and even contending views concerning irans backwardness played a key role in these failures. these diverse and contending views which arised at first in compilation of laws and establ...

this paper tries to survey irans regional labor market disequilibrium within 1996-2000. according to the results there has been an increase in the amount of disequilibrium of irans national as well as regional labor markets. incomplete labor market information on vacant job opportunities in different regions of the country along with high costs of migration have been the major causes of unemplo...

this paper tries to study the emergence and changes of mechanized industry in iran within qajar dynasty (mid-19th century) and the islamic revolution triumph (1978). it focuses on the governments role in delayed industrialization, and accordingly surveys the governments role in building institutions and commercial policy-making for industrialization. since governments nature and its role in eco...

OBJECTIVES Cultural variability (CV) is introduced as an overlooked dimension of cultural identity development pertaining to emphasizing and de-emphasizing the influence of a single cultural identity (i.e., cultural influence [CI]) on daily interactions and behaviors. The Cultural IDentity Influence Measure (CIDIM) is introduced as a novel measure of CI and CV, and hypothesis-driven validation ...

In recent years, far from arguing that evolutionary approaches to our own species permit us to describe the fundamental character of human nature, a prominent group of cultural evolutionary theorists has instead argued that the very idea of 'human nature' is one we should reject. It makes no sense, they argue, to speak of human nature in opposition to human culture. The very same sceptical argu...