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تعداد نتایج: 17291463 فیلتر نتایج به سال:
Spatial models for spread of an epidemic may be mapped onto bond percolation. We point out that with disorder in the strength of contacts between individuals patchiness in the spread of the epidemic is very likely, and the criterion for epidemic outbreak depends strongly on the disorder because the critical region of the corresponding percolation model is broadened. In some networks the percola...
چکیده در بخش اول این پروژه دو روش میکرواستخخرا به نامهای میکرواسخخرا امولسیونی با کمک اموا فراصتتتو 1 و میکرواستتتخخرا مای – مای با کمک هوا 2 ، به عنوان دو روش میکرواستتتخخرا بدون حلال پخشکننده 3 ، برای اسخخرا برخی هیتدروکربتنهای آروماتیتک حلقوی 4 از نمونتههای آبتی بهکار گرفخه و پارامخرهای موثری همچون نوع حلال اسختتتتخرا کننده، حجم حلال اسخخرا کننده، میزان نمک، زمان تابش اموا فراصتو ، تددا...
At the LHC, diffractive physics will be explored by the dedicated experiment TOTEM whose Technical Design Report has been approved in Summer 2004. The experimental programme will be carried out partly in TOTEM standalone mode for purely forward phenomena like elastic scattering, and partly in collaboration with CMS for processes requiring a full rapidity coverage. ATLAS and ALICE are interested...
in the present study, the effect of e-64 at different concentrations (0.5, 1, 5 and 10 µm) added to (1) the ivm medium on oocyte nuclear maturation and developmental competence of ovine oocytes, and (2) to the ivc medium on embryonic development of ovine embryos were investigated.
CONTEXT Cardiogenic shock remains the major cause of death for patients hospitalized with acute myocardial infarction (MI). Although survival in patients with cardiogenic shock complicating acute MI has been shown to be significantly higher at 1 year in those receiving early revascularization vs initial medical stabilization, data demonstrating long-term survival are lacking. OBJECTIVE To det...
BACKGROUND A subgroup of human immunodeficiency virus type 1 (HIV-1)-infected patients with severe immunodeficiency show persistently low CD4+ cell counts despite sustained viral suppression. It is unclear whether this immuno-virological discordance translates into an increased risk for clinical events. METHODS Data analysis from a large multicenter cohort incorporating 14,433 HIV-1-infected ...
به منظور جمع آوری و شناسایی کنه های بالاخانواده ی raphignathoidea باغات و مزارع شهرستان های ماکو و چایپاره، نمونه برداری هایی در فصل زراعی سال 1391 از خاک و اندام های هوایی صورت گرفت. در این مطالعه حدود 1200 اسلاید تهیه گردید که منجر به شناسایی 5 خانواده، 11 جنس و 31 گونه متعلق به بالا خانواده ی raphignathoidea گردید. از بین این تعداد 7 گونه برای فون دنیا و 8 گونه برای فون کنه های استان آذربایج...
The structure of hadrons consisting of three static color sources in fundamental (baryons) or adjoint (three-gluon glueballs) representations is studied. The static potentials of glueballs as well as gluon field distributions in glueballs and baryons are calculated in the framework of field correlator method. 1. The study of the gluon field structure in hadrons is important for the deep underst...
OBJECTIVE To evaluate whether 1 year of continuous treatment with intranasal fluticasone propionate would lead to atrophy in the nasal mucosa compared with an active control, oral terfenadine. DESIGN Prospective, randomized, multicenter, open-label, parallel-group study. SETTING Two tertiary care academic institutions. PATIENTS Seventy-five subjects older than 18 years with perennial alle...
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