Contemporary global trends in choreographic art development at the beginning of the 21st century

Influenza at the beginning of the 21st century.

Biological inorganic chemistry at the beginning of the 21st century.

Advances in bioinorganic chemistry since the 1970s have been driven by three factors: rapid determination of high-resolution structures of proteins and other biomolecules, utilization of powerful spectroscopic tools for studies of both structures and dynamics, and the widespread use of macromolecular engineering to create new biologically relevant structures. Today, very large molecules can be ...

Informetrics at the beginning of the 21st century - A review

This paper reviews developments in informetrics between 2000 and 2006. At the beginning of the 21st century we witness considerable growth in webometrics, mapping and visualization and open access. A new topic is comparison between citation databases, as a result of the introduction of two new citation databases Scopus and Google Scholar. There is renewed interest in indicators as a result of t...

The Global Substance Test Dilemma at the Beginning of the 21st Century

There has quite clearly been an embarrassing gap in the provision of adequate measures to predict the interactions of consumer-relevant natural or synthetic substances with the human body, prior to human exposure, while also taking into account typical environments and individual genotypic specificities. The human population has more than doubled over the last 50 years, whilst the registration ...

the survey of the virtual higher education in iran and the ways of its development and improvement

این پژوهش با هدف "بررسی وضعیت موجود آموزش عالی مجازی در ایران و راههای توسعه و ارتقای آن " و با روش توصیفی-تحلیلی و پیمایشی صورت پذیرفته است. بررسی اسنادو مدارک موجود در زمینه آموزش مجازی نشان داد تعداد دانشجویان و مقاطع تحصیلی و رشته محل های دوره های الکترونیکی چندان مطلوب نبوده و از نظر کیفی نیز وضعیت شاخص خدمات آموزشی اساتید و وضعیت شبکه اینترنت در محیط آموزش مجازی نامطلوب است.