نتایج جستجو برای: riprap stone stability
تعداد نتایج: 324900 فیلتر نتایج به سال:
AIM While literature demonstrates that the optimum accuracy is obtained with the custom trays, the use of stock trays for elastomeric impressions appears to be popular in general practice. The aim of the study was to evaluate the effect of thickness of impression material on the dimensional accuracy of impressions made from monophasic polyvinylsiloxane impression material. This study also studi...
This paper gives an overview of the OBST persistent object management system. OBST has been developed by the Forschungszentrum Informatik (FZI) as a contribution to the STONE project.1 The paper summarizes the design objectives and the current status of OBST, and highlights forthcoming developments with the system.
BACKGROUND The aim of the present study is to investigate the clinical relevance of aortic calcification in urolithiasis patients. METHODS Between January 2010 and September 2014, 1221 patients with urolithiasis were treated in Oyokyo Kidney Research Institute and Hirosaki University Hospital. Among these, 287 patients (Stone group) on whom adequate data were available were included in this r...
The current blasting compaction faces technical difficulties brought by mud depth increment. strength similarity theory provides theoretic support for deep compaction, offering a large room parameters optimization. author applied the to engineering practice and introduced soft foundation selection, safety processing effect. According detection results, riprap settlement elevation width can meet...
Analysis of Calcium, Oxalate, and Citrate Interaction in Idiopathic Calcium Urolithiasis in Children
The majority of urinary stones in children are composed of calcium oxalate. To investigate the interaction between urinary calcium, oxalate, and citrate as major risk factors for calcium stones formation, their 24-h urinary excretion was determined in 30 children with urolithiasis and 15 normal healthy children. The cutoff points between children with urolithiasis and healthy children, accuracy...
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