نتایج جستجو برای: af جبر
تعداد نتایج: 22811 فیلتر نتایج به سال:
introduction: electrophysiological studies have demonstrated a relationship between aging and atrioventricular (av) nodal conduction and refractoriness. the aim of the present study was to determine the effects of nodal aging on dynamic av nodal field potential recording during atrial fibrillation (af) in rabbit. methods: two groups of male new zealand rabbits (neonatal 2-week-olds and adult 12...
We report the results of a high energy spread SASE FEL experiment, the intermediary experiment linking the VISA I and VISA II projects. A highly chirped beam (1.7 %) was transported, without corrections of longitudinal aberrations in the ATF dogleg, and injected into the VISA undulator. The ouput radiation displayed an uncharacteristicly large bandwidth (12 %) with extremely stable lasing and m...
Background: Atrial fibrillation (AF) is one of the most common arrhythmias after coronary artery bypass graft (CABG) surgery. AF can result in hemodynamic instability, thromboembolic events, increase the perioperative myocardial infarction, congestive heart failure, stroke, more length of hospital stay (LOHS) and cost of treatment. The aim of this study was to evaluate the independent effect of...
Background Several scoring system have been developed with the aim to identify clinical deterioration among hospitalized patients and allocate resources in accordance with the degree of deterioration most without validation. The aim of the present study was to describe to which degree the system “Tidlig Opsporing af Kritisk Sygdom” (TOKS) is able to identify patients who either have or develop ...
ABSTRACT: A consecutive Series of 522 patients (mean age 40.36 years ,female 70.9% ,male 29.1% ) with rheumatic valvular heart disease were studied during a period of seven years ,with particular reference to understanding the prevalence and risk factors of atrial fibrillation (AF) and systemic arterial thromboembolism (SAT). AF was observerd in 165 (31.6%) patients .The frequency of AF were ...
In a recent paper of Tamura, Merkel, and Latimer [2], the following question was raised: Suppose 5 is a groupoid (cf. [l]) which satisfies: (1) There is at least one left identity in S. (2) If y or z is a left identity of 5, then x(yz) =■= (xy)z for all xES. (3) For all a, bES there exists x£5 such that ax = b. Then does S satisfy: (3') For any xES there is a unique left identity e (which may d...
این مقاله به بررسی سازگاری یا ناسازگاری اصل اختیار با اصل علیت فلسفه و قانون موجبیت«دترمینیسم» فیزیک میپردازد. نویسنده نخست به تعریف و تبیین حقیقت اختیارو جبر پرداخته، آنگاه شبهات مدعیان تعارض اختیار با اصل علیت (جبر علی و معلولی، استحاله ترجیح بلامرجح و تسلسل ارادهها) را تحلیل و نقد مینماید. بخش آخر مقاله به بررسی و مقایسه قانون دترمینیسم فیزیک کلاسیک و قوانین آماری و اصل کوانتوم فیزیک جدی...
conclusions: catheter ablation of flutter circuit will not prevent later manifestation of af in 16% of the patients undergoing catheter ablation of the typical afl. bmi was the only independent predictor of af following catheter ablation of the typical afl. objectives; to determine long-term incidence and predictors of af after catheter ablation of typical afl. material and methods: between mar...
پژوهش پیش رو دربارۀ مسئلۀ کلامی جبر و اختیار از دیدگاه سید عبدالرحیم تاوهگوزی، مشهور به مولوی کرد (1222ـ1300 ق.) و مولانا جلالالدین محمد بلخی (606ـ672 ق.) است. مولوی کرد در منظومه‌های کلامی خود به‌تفصیل به مباحث کلامی و از جمله مسئلۀ جبر و اختیار پرداخته و تلاش میکند این مسئله را در محدودۀ افکار و اندیشه‌های ابوالحسن اشعری و البته تا حدودی متفاوت با رویکرد و روش او بیان کند. مولانا جلال‌ا...
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