نتایج جستجو برای: oil well cement

تعداد نتایج: 1671303  

Journal: Pollution 2015

Agricultural waste fibers have been found to be suitable as reinforcement in cement-based composites, but studies on oil palm fiber as reinforcement in gypsum-cement wall panels are scarce. A mixture of two equal weights of gypsum and cement, with water-binder ratios of 0.45 and 0.55 were prepared. In each mix a varying percentage of fiber contents of 2%, 3% and 4% by weight of the binders were...

Journal: :International Journal of Concrete Structures and Materials 2019

2010

Introduction Displaced fractures of the distal radius are typically repaired by either closed reduction and casting or open reduction with internal plate fixation. This treatment dichotomy fails for elderly patients, where risks associated with open surgery outweigh benefits, and malunions after closed reduction frequently result in deformity. A need exists for minimally invasive fixation which...

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