Presidential review of the year's activity 1990-91

Presidential review of the year's activity 1990-91.

the impact of peer review on efl reviewers writing proficiency

امروزه تصحیح همکلاسی در کلاسهای نگارش یکی از اجزاء لاینفک کلاسهای دانش آموز محور است. تاثیرات مفید تصحیح همکلاسی بر زبان آموزان، معلمان را متقاعد کرده است که علیرغم صرف زمان، انرژی و توان بسیار، از این شیوه ی آموزشی در کلاسهای آموزش نگارش بهره بگیرند. تحقیق حاضر بر آن است تا با مقایسه دو گروه از یادگیرندگان زبان انگلیسی، تاثیر تصحیح همکلاسی را بر توانایی نوشتاری آنها نشان دهد. 122 خانم زبان آمو...

comparison of catalytic activity of heteropoly compounds in the synthesis of bis(indolyl)alkanes.

heteropoly acids (hpa) and their salts have advantages as catalysts which make them both economically and environmentally attractive, strong br?nsted acidity, exhibiting fast reversible multi-electron redox transformations under rather mild conditions, very high solubility in polar solvents, fairly high thermal stability in the solid states, and efficient oxidizing ability, so that they are imp...

Workers' compensation: coverage, benefits, and costs, 1990-91.

Workers' compensation programs provide protection to workers and their families. The programs compensate for lost wages and medical expenses incurred as a result of work-related injuries or illnesses. Survivor benefits are also provided when the disabilities result in death. In 1991, about $16.8 billion in medical benefits and $25.3 billion in wage-loss compensation was paid in settlement of cl...

the eu common foreign policy in the persian gulf region: the kuwait crisis of 1990-91

foreign policy cooperation and coordination among the european community member states and presenting europe with a single voice, has long been an important challenge within the european community/european union, especially since early 1970s. in the early 1990s, following the collapse of the ussr and the end of the cold war, there was a general speculation in europe that the ec may be able to p...