منابع مشابه
Stone circles: form and soil kinematics.
Distinct surface patterns are ubiquitous and diverse in soils of polar and alpine regions, where the ground temperature oscillates about 0 degrees C. They constitute some of the most striking examples of clearly visible, abiotic self-organization in nature. This paper outlines the interplay of frost-related physical processes that produce these patterns spontaneously and presents unique data do...
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Goitre and the associated neurological deficits of cretinism and deaf mutism due to iodine deficiency were common in Derbyshire, giving rise to the term Derbyshire Neck. These diseases were most prevalent in the 19th century and earlier, when they had devastating effects in the rural population. Since then they have declined in frequency. However, iodine deficiency disorders are still prevalent...
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Before the Royal Society of Medicine in the section of Epidemiology and State Medicine, on 28th April, 1933, Dr. P. H. J. Turton presented the results of his many years' work on the distribution of simple goitre in Derbyshire, which is of profound interest to those in contact with endemic goitre, 'and especially to those who have hesitated to discard the old view that endemic goitre in certain ...
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Atmospheric aerosols include gases and liquids, as well as solid particles. They include material derived from both oceans and landmass, as well as particles that form within the atmosphere, such as sulfates. Solid particles entrained in the atmosphere by detachment from poorly vegetated surfaces (the process of deflation) include, for example, rock and mineral dust, fine mineral aggregates, fi...
متن کاملPlant Cytokinesis: Circles within Circles
The current model of the plant cytokinetic apparatus, describing it as being composed of treadmilling microtubules, is challenged by a new study showing that these microtubules display dynamic instability.
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ژورنال
عنوان ژورنال: Man
سال: 1903
ISSN: 0025-1496
DOI: 10.2307/2840489