نتایج جستجو برای: second century

تعداد نتایج: 716176  

Journal: :Journal of Applied Meteorology and Climatology 2015

Journal: :Bulletin of Symbolic Logic 1999
Volker Peckhaus

Doubt could be expressed that a special section on late 19th century mathematics, or, more specifically, on Victorian mathematics, was an appropriate place for a lecture on 19th century logic. Most 19th century scholars would have been of the opinion that philosophers are responsible for research on logic. On the other hand, the history of late 19th century logic indicates clearly a very dynami...

The present study attempts to investigate the relationship between spatial configuration changes of Qom and the central core in the last half century. The main objective of this study is to review the Spatial form of Qom, and analyze the effect of changes in Urban configuration on the central core of the city and the main axes of urban activities during 1946 to 2011 and ultimately, Forecast the...

2017
Anna Freixas Bárbara Luque Amalia Reina

Our chapter involves both a theoretical revision and a set of reflections that aim to analyse and redefine the significance of the final stages of the female life cycle, which has been revolutionised by two major set of circumstances: the increase in life expectation and the social changes that have taken place in the western world during the second half of the 20th century. In this regard, our...

1969
Thomas F. Curran Jeffrey McClurken Thomas Curran

Thomas Curran has created an intriguing exploration of an overlooked group of antiwar Americans in the second half of the nineteenth century. Growing out of his dissertation at Notre Dame, this monograph examines the beliefs and activities of a group Curran describes as “perfectionist pacifists” during the Civil War and after, following it into the early twentieth century. The book is effective...

2008
JAMES 0. ROBINSON M. Chir

The history of gastric surgery is one of the most complex in the annals of medicine. The practice of this surgery depended upon the growing knowledge of the pathology of gastric diseases. This knowledge, together with animal experiments and the introduction of anaesthesia during the last century, led to the first successful planned operation for a disease of the stomach. The last 20 years of th...

2014
Charlee Byers Peter J. Maughan Jared Clouse J. Ryan Stewart

UNLABELLED PREMISE OF THE STUDY Utah agave (Agave utahensis) and its putative subspecies, A. utahensis subsp. kaibabensis and A. utahensis subsp. utahensis, are keystone species of the Mojave Desert and Colorado Plateau in the southwestern United States. Here we developed microsatellite markers to study population structure and genetic diversity of the two subspecies of A. utahensis. • MET...

Journal: :Molecules 2009
Pi Yu Chen Yuh Chi Kuo Chin Hui Chen Yueh Hsiung Kuo Ching Kuo Lee

Three known flavones and seven known homoisoflavonoids were isolated from the methanolic extract of the leaves of Agave sisalanaPerrine ex Engelm. Their structures were elucidated on the basis of spectroscopic analysis. The isolated compounds were also evaluated for immunopharmacological activity. PBMC were used as target cells, and cell proliferation was determined by (3)H-thymidine uptake. (+...

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