نتایج جستجو برای: میزلرزه 1g
تعداد نتایج: 3400 فیلتر نتایج به سال:
Pathogenic variants in the GJB2 gene, encoding connexin 26, are known to be a major cause of hearing impairment (HI). More than 300 allelic variants have been identified in the GJB2 gene. Spectrum and allelic frequencies of the GJB2 gene vary significantly among different ethnic groups worldwide. Until now, the spectrum and frequency of the pathogenic variants in exon 1, exon 2 and the flanking...
We prove that a regular language deened by a boolean combination of generalized 1-sentences built using modular counting quan-tiiers can be deened by a boolean combination of 1-sentences in which only regular numerical predicates appear. The same statement, with \1" replaced by \\rst-order" is equivalent to the conjecture that the non-uniform circuit complexity class ACC is strictly contained i...
بررسی آزمایشگاهی آثار چگالی نسبی و میزان ریزدانهی غیرخمیری در پتانسیل روانگرایی و نشست ماسهی اشباع
روانگرایی پدیدهیی است که طی آن رسوبهای سُست اشباع، هنگامی که تحت بارهای دینامیکی قرار میگیرند، مقاومتشان بهطور چشمگیری کاهش مییابد و یا از بین میرود، لذا شناخت هر چه بهتر روانگرایی و عوامل مؤثر در آن اهمیت زیادی دارد. در پژوهش حاضر، تأثیر چگالی نسبی و میزان ریزدانهی غیرخمیری در پتانسیل روانگرایی و نشست ماسهی اشباع با استفاده از دستگاه میزلرزه بررسی شده است. نتایج حاصل نشان میدهند که ب...
OBJECTIVE To extend the molecular analysis of the IVS30+1G>T intronic thyroglobulin (TG) mutation, and to report the eleven year follow-up of the affected patients. METHOSD: Two siblings with severe congenital hypothyroidism with fetal and neonatal goiter, harboring the IVS30+1G>T mutation were included. Nodular and non-nodular thyroid tissue specimens were collected. Specific thyroid genes exp...
One hypothesized contributor to vision changes experienced by >75% of International Space Station astronauts is elevated intracranial pressure (ICP). While no definitive data yet exist, elevated ICP might be secondary to the microgravity-induced cephalad fluid shift, resulting in venous congestion (overfilling and distension) and inhibition of cerebrospinal and lymphatic fluid drainage from the...
Understanding the effects of gravity on biological organisms is vital to the success of future space missions. Previous studies in Earth orbit have shown that the common fruitfly (Drosophila melanogaster) walks more quickly and more frequently in microgravity, compared with its motion on Earth. However, flight preparation procedures and forces endured on launch made it difficult to implement on...
Recent studies demonstrated that a single guanine insertion polymorphism in a matrix metalloprotease-1 promoter created an Ets binding site and affected the elevation of the transcriptional level of matrix metalloproteinase-1 (MMP-1). Furthermore, in tumor cell lines derived from melanoma and breast cancer, the incidence of the 2G / 2G genotype was significantly higher than that in the normal p...
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