USP and Dissolution—20 Years of Progress

the innovation of a statistical model to estimate dependable rainfall (dr) and develop it for determination and classification of drought and wet years of iran

آب حاصل از بارش منبع تأمین نیازهای بی شمار جانداران به ویژه انسان است و هرگونه کاهش در کم و کیف آن مستقیماً حیات موجودات زنده را تحت تأثیر منفی قرار می دهد. نوسان سال به سال بارش از ویژگی های اساسی و بسیار مهم بارش های سالانه ایران محسوب می شود که آثار زیان بار آن در تمام عرصه های اقتصادی، اجتماعی و حتی سیاسی- امنیتی به نحوی منعکس می شود. چون میزان آب ناشی از بارش یکی از مولفه های اصلی برنامه ...

Stroke: 30 years of progress.

In 3 decades, Stroke has evolved from a fledgling publication to the leading journal in the field. Many factors have contributed to this, particularly the succession of outstanding editors in chief. We begin a series on “Stroke: 30 Years of Progress,” wherein each editor recalls the highlights of his tenure, providing a unique view of the past 3 decades (see page 3 for Dr Millikan’s editorial)....

Twenty-five years of progress.

+ Leprosy: Fifty Years of Progress

The first technical issue of the Boletin de la Oficina Sanitaria Panamericana, published in 1922, was dedicated to leprosy. During the intervening SO years considerable progress has been made in understanding the disease, leading to benefit for the patient and more effective control. Movement away from institutionalization and toward ambulatory care for patients plus new and effective treatment...

Ecology after 100 years: Progress and pseudo-progress

Has the science of ecology fulfilled the promises made by the originators of ecological science at the start of the last century? What should ecology achieve? Have good policies for environmental management flowed out of ecological science? These important questions are rarely discussed by ecologists working on detailed studies of individual systems. Until we decide what we wish to achieve as e...