نتایج جستجو برای: sem scale
تعداد نتایج: 638942 فیلتر نتایج به سال:
Glass cell experiments were conducted to investigate kinetics of iron sulfide and mixed iron sulfide/carbonate scale precipitation in CO2/H2S corrosion. Weight gain/loss (WGL) method was used to investigate the scale formation using X65 carbon steel as substrates. Scanning Electron Microscopy (SEM/EDS), X-ray Diffraction methodology (XRD), X-ray Photoelectron Spectroscopy (XPS), and Electron Pr...
OBJECTIVE To compare psychophysiological responses among novice surgeons during performance of endoscopic sinus surgery (ESS). DESIGN Randomized study. SETTING Academic institution. PARTICIPANTS Fifteen novice surgeons. MAIN OUTCOME MEASURES The psychophysiological effects of performing ESS were assessed among 15 novice surgeons at 30 minutes before (T - 30), at the beginning of (T0), a...
leaves only the biomaterial and hollow channels; SEM of gelatin with extracted PCL (magnification 1.50 KX, scale bar 20 μm) (c); Confocal fluorescent image of a DRG stained with phalloidin rhodamine (actin) after 4 days on the scaffold consisting of gelatin, elastin, and hollow channels (magnificiation 10X, scale bar 200 μm (d); Average aspect ratio of the DRGs on various fibrous scaffolds afte...
In a double-blind prospective trial 26 consecutive patients with proved ureteric colic were allocated at random to receive 100 mg pethidine or 0.3 mg buprenorphine by intramuscular injection. Pain relief was assessed by standard linear analogue and ordered categories scales. The mean pain relief on the linear analogue scale was 3.80 +/- SEM 0.64 in patients receiving pethidine and 6.86 +/- 0.40...
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