نتایج جستجو برای: 168 to 392 micron
تعداد نتایج: 10619356 فیلتر نتایج به سال:
The original cotton particulates analyzer used stationary screens to separate aerodynamically the coarse and fine dust fractions from small samples of cotton. By replacing stationary with rotary screens that were continuously cleaned, larger supplies of respirable dust were obtained without interruption. A ginned and a waste cotton were used to test two methods of separation: a rotating 38-micr...
The size and shape of the lens fibres were estimated by specular reflex photography. The fibres were measured in three separate regions. Peripheral fibres have a mean width of 10.2 micron, the central fibres 11.9 micron, and the central fibres with suture 15.8 micron. Measurements were made of the taper (becoming narrower towards the suture) and flare (becoming wider towards the suture). The pe...
AIM To evaluate the downstaging of rectal cancer after preop R +/- CT. METHODS 392 patients (pts) with rectal cancer were observed. Only 172 pts (58%) with II and III stage cancer of middle and lower third were examined. Enrol-led pts were 168: 52 of them received preop R +/- CT (32 RT, 20 R + CT). Preop R +/- CT group included 14 middle third cancers (73%), 38 lower third (17%). In this grou...
Sublancin 168 is a member of a small group of glycosylated antimicrobial peptides known as glycocins. The solution structure of sublancin 168, a 37-amino-acid peptide produced by Bacillus subtilis 168, has been solved by nuclear magnetic resonance (NMR) spectroscopy. Sublancin comprises two α-helices and a well-defined interhelical loop. The two helices span residues 6-16 and 26-35, and the loo...
Paget's disease of bone (PDB) is a common disorder characterized by focal abnormalities of increased and disorganized bone turnover. Genetic factors are important in the pathogenesis of PDB, and in previous studies, we and others identified a locus for familial PDB by genome-wide search on 5q35-qter (PDB3). The gene encoding sequestosome 1 (SQSTM1/p62) maps to within the PDB3 critical region, a...
this study is focused on do lomi te s of the Chehel-Kaman Formation (Upper Paleocene) that is located in NE Iran. Field and petrographic studies lead to distinguish dl and d2 dolomites. dL is fine crystals (Ie.<;ser than 10 micron) and is associated with t:vaporatic sed ime nts. and d2 in addition to fint: crystals. contains coarser crystals (50-RO micron) without evaporatic sediments. Al...
Two types of micron-diamond films were prepared on YG6 substrate by hot filament chemical vapor deposition(HFCVD) method. Morphology and orientation of crystalline growth were evaluated by SEM and XRD. Diamond film coated tools and sapphire wafer’ surface before and after lapping experiment were contrasted. The results indicated that a significant change in Raman spectrum of two types of micro...
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