The Changing Flora of Britain

the effects of changing roughness on the flow structure in the bends

flow in natural river bends is a complex and turbulent phenomenon which affects the scour and sedimentations and causes an irregular bed topography on the bed. for the reason, the flow hydralics and the parameters which affect the flow to be studied and understand. in this study the effect of bed and wall roughness using the software fluent discussed in a sharp 90-degree flume bend with 40.3cm ...

Changing Disability Policies in Britain

Introduction The reforms in social policy associated with the establishment of the welfare state in Britain during the 1940s contained a number of initiatives designed to improve the lives of disabled people. However, the lack of meaningful progress towards social inclusion was highlighted, particularly from the 1970s, by an increasing number of campaigns by newly organised groups of disabled p...

The Changing Picture of Male Unemployment in Britain

This paper uses panel and retrospective life history data from an important new data source the British Household Panel Survey to establish some stylised facts about the unemployment experiences of men. In particular we investigate the proportion of the sample who suffer from repeated unemployment spells, the origin and destination states of unemployment spells, some reasons for entering unempl...

The Changing Pathologies of Group Politics in Britain

focus on communication in iranian high school language classes: a study of the role of teaching materials in changing the focus onto communication in language classes

چکیده ارتباط در کلاس به عوامل زیادی از جمله معلمان، دانش آموزان، برنامه های درسی و از همه مهم تر، مواد آموزشی وابسته است. در تدریس ارتباطی زبان که تاکید زیادی بر توانش ارتباطی دارد، کتاب درسی به عنوان عامل موثر بر پویایی کلاس محسوب میگردد که درس ها را از طریق فراهم آوردن متن ارتباط کلاسی و هم چنین نوع تمرین زبانی که دانش آموزان در طول فعالیت های کلاسی به آن مشغول اند، کنترل می کند. این حقیقت ک...