منابع مشابه
Early History EARLY FORESTS
Primalforests.-Accol-dillg to fossil records from coal beds, primeval forests of the South eons ago were complex forests of club moss trees and ferns (Uurdette 1995). Since that time forest composition and dixtl-ihu-tion have changed in response to natural phenomena and later, to the influences of man. Over a long period 01' time primeval forests evolved from club ~nosses 2nd ferns to gymnosper...
متن کاملearly history of kerman morsalin hospital
the history of hospital construction is primarily divided into pre-islamic and isalmic periods; the latter also witnessed the emergence of european and american hospitals after the arrival of western medicine in iran. kerman morsalin hospital, belonging to church mission society hospitals, is an example of such hospitals built under the supervision of british doctors in iran. this hospital, lis...
متن کاملEarly History of Magnetic Resonance
In the title of this report, emphasis should be given to the word early. Some readers may even believe that "Pre-History" would be a better title than early history. The report will cover the period from 1921 to the first nuclear resonance absorption experiments of Purcell, Torrey and Pound and the first nuclear induction experiments of Bloch, Hansen and Packard even though from some points of ...
متن کاملThe Dahlia: An Early History
In 1934 Marshall Howe, of the New York Botanical Garden, compiled a list of Dahlia cultivars containing more than 14,000 names. This number represents an astonishing average of over 100 newly named cultivars during each of the 143 years since 1791, when dahlias were first brought into cultivation in the gardens of Spain following their arrival from Mexico. Today dahlias are among the most famil...
متن کاملThe Early History of Catalysis
One hundred and forty years ago it was possible for one man to prepare an annual report on the progress of the whole of chemistry, and for many years this task was undertaken by the noted Swedish chemist J. J. Berzelius for the Stockholm Academy of Sciences. In his report submitted in 1835 and published in 1836 Berzelius reviewed a number of earlier findings on chemical change in both homogeneo...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Mine Water and The Environment
سال: 2021
ISSN: ['1025-9112', '1616-1068']
DOI: https://doi.org/10.1007/s10230-021-00785-z