نتایج جستجو برای: aggregation material bed and coasts
تعداد نتایج: 16884236 فیلتر نتایج به سال:
Background and purpose: Amniotic membrane (AM) is a proper candidate for vascular tissue engineering. The aim of this study was to evaluate the hemocompatibility of the epithelial surface of the AM. Materials and methods: In this study, we assessed the effects of the epithelial surface of the AM on blood coagulation system by measuring activated partial thromboplastin time (aPTT), prothromb...
On July 2010, a single specimen of Pteragogus pelycus was captured by gillnets along the coasts of Alexandria, Egypt (approximate position 31°14′N, 29°55′E) between 15 and 25 m of depth. This observation represents the first confirmed record of this species from the North African coasts.
Sorption of pyrethroid insecticides to solid materials will typically dominate the fate and transport of these hydrophobic compounds in aquatic environments. Batch reactor isotherm experiments were performed with bifenthrin and λ-cyhalothrin with suspended material and bed sediment collected from the Sacramento River, California, USA. These batch reactor experiments were performed with low spik...
Introduction: Chromium (VI) is a known human carcinogenic agent which is used in numerous industrial processes such as electroplating, welding, textile, cement and steel fabrication. The aim of this study was to determine the effectiveness of natural zeolite on the fixed bed adsorption of Cr (VI) from air stream. . Material and Method: In this experimental study, chromium mists were generated...
EFFECT OF URINARY MATERIAL AND GLYCOSAMINOGLYCANS ON CALCIUM OXALATE MONOHYDRATE CRYSTAL AGGREGATION
The effects of vibration parameters, operating conditions and material properties on bed voidage were investigated using an optical fiber probe approach in a vibrating fluidized bed with a diameter of 148 mm. Variables studied included frequency (0-282 s), amplitude (0 mm-1 mm), bed height (0.1 m-0.4 m) as well as four kinds of particles (belonging to Geldart's B and D groups). The axial and ra...
This paper focuses on material-process interactions in particle bed binding. After a classification of binding techniques currently available for cement-based materials, the most important and their underlying physics are discussed detail selective cement activation (SCA) paste intrusion technique (SPI). Here, we consider sub-processes layer application, compaction, fluid penetration after prin...
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