منابع مشابه
The June Meeting in Portland
s of papers presented at the meeting follow. Abstracts whose titles are followed by "t" were presented by title. Mrs. Lehmer was introduced by the Associate Secretary, Mr. Rail by Professor Lonseth, Professor Nash by Professor W. T. Martin, and Mr. Krabble by Professor C. B. Morrey. ALGEBRA AND THEORY OF NUMBERS 5SSt. W. E. Barnes: Primal ideals in noncommutative rings. In any associative ring ...
متن کاملPredicting the distribution of ground fissures and water-conducted fissures induced by coal mining: a case study
INTRODUCTION The use of Top Coal Caving for exploiting the thick coal seam with shallow buried depth most likely has a strong negative impact on the stability. CASE DESCRIPTION Anjialing No. 1 Underground Mine is located in Shuozhou City, Shanxi Province of China. The 4# Coal Seam of this coal mine is the thick coal seam with shallow buried depth, which has the thickness of 12 m and the depth...
متن کاملAnal fissures; first do no harm.
emergency centre staffed with GPs, nurse practitioners, and emergency medicine doctors. Handover between OOH and in-hours GPs has been defined as ‘one of the most perilous procedures in medicine, and when carried out improperly can be a major contributory factor to subsequent error and harm to patients’.1 In-hours care accounts for 50 hours/week while OOH care accounts for 118 hours/week. Hando...
متن کاملRadiologic evaluation of spinal cord fissures.
The clinical course and radiographic studies were reviewed of eight patients with posttraumatic spinal cord fissures (rents in the spinal cord communicating with the subarachnoid space). Five patients had spinal cord fissures associated with symptomatic intramedullary cysts that required shunting to alleviate progressive neurologic deficits and intractable pain. Their metrizamide myelograms sho...
متن کاملLouis Pierre Gratiolet (1815-1865): the cerebral lobes and fissures.
Early anatomists referred to parts of the brain as 'posterior' and 'anterior.' But after comparing many primate brains, Gratiolet noticed a pattern of folds or sulci and convolutions marked by fissures of increasing complexity in the more advanced mammalian brains. The primary fissures he could also identify in the smoother ape brains. He was the first to separate four brain lobes (frontal, par...
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ژورنال
عنوان ژورنال: The Geologist
سال: 1863
ISSN: 1359-4656
DOI: 10.1017/s1359465600001246