نتایج جستجو برای: 0114
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بیماریهای عفونی دستگاه تناسلی شامل میکروبها و ویروسهایی است که از طریق ارتباط جنسی منتقل میشوند. سفلیس و سوزاک عفونتهای قدیمی تناسلی هستند، اما امروزه بیماریهای دیگری مانند ایدز و آنتیژنهایی که از طریق رابطه جنسی منتقل میشوند نیز مطرح هستند. هدف از مطالعه حاضر بررسی تاثیر باکتریاشرشیا کلی بر بافت بیضه و لوله های اسپرم ساز و پارامترهای مربوط به اسپرم بود. تعداد 16 سر موش صحرایی نر بالغ ن...
This is an updated version of [1]. In the design presented there the horizontal emittance of the extracted beam is too large by about 20%. In order to get the emittance down to the required value the quadrupole magnets in the dispersive regions in the ring are moved to provide J_x=1.1 which gives a small enough emittance. In addition a better model of the wiggler fields is used. The new design ...
This paper focuses on the parametric study of steady and unsteady forced and natural convection problems by the certified reduced basis method. These problems are characterized by an input-output relationship in which given an input parameter vector — material properties, boundary conditions and sources, and geometry — we would like to compute certain outputs of engineering interest — heat flux...
BACKGROUND Escherichia coli, listeria, and streptococcal antigens have been found in Crohn's disease tissues. Antibodies to Klebsiella pneumoniae have been found in patients with inflammatory bowel disease and ankylosing spondylitis. The presence of these bacterial antigens in Crohn's granulomas would be of aetiological interest, while their presence in ulcers alone would be more likely to indi...
PURPOSE To study the clinical profile and presentation of children with unilateral cataract. METHODS In this hospital-based, observational, cross-sectional study, patients 15 years of age or younger who presented with unilateral cataract were recruited. Cases of cataract secondary to causes such as trauma or uveitis were excluded. Age at detection and presentation, distance from the treatment...
سابقه و هدف: در صنعت آبمیوهها شفافسازی یکی از عملیات واحد بوده که جهت حذف رنگ، عطر و طعم نامطلوب، کدورت، تلخی، گسی به کار برده میشود. مواد و روشها: به منظور شفافسازی آب کرفس از روشهای مختلفی شامل روشهای مکانیکی (I)، خاک بنتونیت (II)، زغال فعال (III) و ژلاتین (IV) استفاده گردید. سپس در هر یک از روشهای مورد مطالعه پارامترهای فرآیندی شامل غلظت ترکیبات، دور سانتریفوژ و زمان فرآیند به روش...
BACKGROUND Septic shock due to Mycobacterium tuberculosis (MTB) is an uncommon but well-recognized clinical syndrome. The objective of this study was to describe the unique clinical characteristics, epidemiologic risk factors, and covariates of survival of patients with MTB septic shock in comparison with other bacterial septic shock. METHODS A retrospective nested cohort study was conducted ...
One of the big challenges of the post-genomic era is identifying regulatory systems and integrating them into genetic networks. Gene expression is determined by protein–protein interactions among regulatory proteins and with RNA polymerase(s), and protein–DNA interactions of these trans-acting factors with cis-acting DNA sequences in the promoter regions of those regulated genes. Therefore, ide...
BACKGROUND Methicillin-resistant Staphylococcus aureus (MRSA) is an emerging cause of infections outside of health care settings. We investigated an outbreak of abscesses due to MRSA among members of a professional football team and examined the transmission and microbiologic characteristics of the outbreak strain. METHODS We conducted a retrospective cohort study and nasal-swab survey of 84 ...
We construct multi-prover proof systems for NP which use only a constant number of provers to simultaneously achieve low error, low randomness and low answer size. As a consequence, we obtain asymptotic improvements to approximation hardness results for a wide range of optimization problems including minimum set cover, dominating set, maximum clique, chromatic number, and quartic programming; a...
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