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m: Silicone/fluomsilicone copolymer oii (SiFO) is a polysiloxane derivative potentially us&d as mtraoperative tool and long term retinal tatnponade agent. SiFO is characterized by higher-than-water density and low viscosity; its intraocular tolerance in rabbits up to two months is siroilra to that of silicone oil. &j&t&. SiFO was used in 9 eyes with complicated retinal detachment. Five patients...
abstract in a protocol analysis of second language writing from 20 adult english as a foreign language (efl) iranian students, this research observed how language-switching (l-s), i.e., first language use in l2 writing, was affected by l2 proficiency. switching interactively between first (l1) and second (l2) languages has been recognized as one of the salient characteristics of l2 writing....
teachers beliefs have usually been left unattended in the realm of educational research in iranian context. one of those beliefs which seems to impact teachers performance in the classroom is their sense of self-efficacy, which refers to teachers belief in their ability to enhance student achievement and in bringing about positive learning outcomes. the present study aimed to investigate the pr...
this study aimed to investigate the effects of listening strategy training on iranian efl learners listening comprehension and use of such strategies. this work, employing an experimental methodology, was conducted among 60 adult efl learners from a language institute in isfahan, iran, as participants. the participants, who were selected based on the results of a placement test, were assigned t...
in this study, 120 accessions of aegilops crassa collected from various geographical areas of iran were analyzed with respect to genome size and protein markers. a flow cytometry survey of these accessions revealed that one hundred and thirteen of the accessions were tetraploid and seven were hexaploid. moreover, these accessions revealed variations in high molecular weight glutenin subunit com...
In this electrophoretic procedure for measuring isoenzymes of gamma-glutamyltransferase, patterns obtained are highly reproducible and the analytical imprecision (CV) ranges from 1.10% to 6.17%. A cellulose acetate support is used, at 220 V for 40 min. Sharply resolved isoenzyme bands were made visible by fluorescence scattered light, formed by use of a coumarin derivative as donor substrate. T...
High levels of insulin and insulin-like growth factors have been associated with increased risk of prostate cancer (1, 2). Insulin regulates and stimulates cell growth, and inhibits apoptosis in cellular models, although mitogenicity seems to occur at supraphysiologic levels. Insulin also inhibits transcription of insulin-like growth factor binding protein-1 and decreases the synthesis of sex h...
0022-2852/$ see front matter 2012 Elsevier Inc. A http://dx.doi.org/10.1016/j.jms.2012.11.002 ⇑ Corresponding author. Fax: +1 217 244 3186. E-mail address: [email protected] (B.J. McCall) Three new rovibrational bands of Ar–D2O have been observed in the m2 bending region of D2O using a quantum cascade laser based cavity ringdown spectrometer. In addition, further observations of the P(110, ...
[1] A series of hypervelocity impact experiments were conducted at NASA Ames Vertical Range, using spherical copper projectiles and polycrystalline dolomite targets. The intensities of atomic lines and molecular bands in the first 2 microseconds after each impact were measured using a high-speed spectrometer system and assessed as functions of impact velocity (2–5.5 km/s) at a fixed impact angl...
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