نتایج جستجو برای: operators and sg
تعداد نتایج: 16847367 فیلتر نتایج به سال:
this paper presents a novel salient pole synchronous generator i.e. permanentmagnet-assisted salient-pole synchronous generator (pma-sgs). due to saturationof conventional synchronous generators (sgs), permanent-magnet-assisted salientpolesynchronous generators (pma-sgs) are presented. pma-sgs are a new type ofsalient-pole synchronous machines with extra permanent magnets (pms) betweenthe adjac...
In this work, we describe an approach that allows for optimizing the structure of a smart grid (SG) with renewable energy (RE) generation against abnormal conditions (imbalances between generation and consumption, overloads or failures arising from the inherent SG complexity) by combining the complex network (CN) and evolutionary algorithm (EA) concepts. We propose a novel objective function (t...
سابقه و هدف: افزایش آب بافت مغز رابطه مستقیم با شدت ادم مغزی دارد و تعیین حجم آب موجود wc یا (water content) بافت مغزی بسیار حائز اهمیت است. با توجه به این که تغییرات wc همراه با تغییرات sg یا (specific gravity) بافت می شود، این تحقیق به منظور تعیین sg دو نیمکره که در حالت عادی و ادم و به منظور ارتباط آن با آب بافت مغز در رت انجام گرفت. مواد و روش ها: پس از ایجاد موقعیت با استفاده از روش شناسی ...
Introduction: Nowadays there is an uprising trend toward new approaches in type 2 diabetes management. In this study the effect of ginger supplementation on blood glucose, lipid and lipoproteins was examined in diabetic patients. Methods: 81 patients with type 2 diabetes participated in this randomized clinical trial study within two-month interval. Patients were randomly divided into two group...
on utilizing the spectral representation of selfadjoint operators in hilbert spaces, some error bounds in approximating $n$-time differentiable functions of selfadjoint operators in hilbert spaces via a taylor's type expansion are given.
OBJECTIVE To evaluate the relative contribution of left ventricular (LV) geometric remodeling and of morphological and functional myocardial changes in rats with induced supravalvar aortic stenosis (SAS), in the transition from compensated hypertrophy to congestive heart failure (CHF). METHODS Twenty one weeks after induction of SAS, the rats were classified as controls (CG, n=13), without co...
in this study, we investigated the effects of osmotic process with or without ultrasound on solid gain (sg) and water loss (wl) of cranberries. response surface methodology was used to model and determine the optimum processing conditions for wl and sg during osmotic dehydration of samples. sucrose (40-60%) and salt (0-8%) concentrations, temperature (30-50°c) and frequency of ultrasound (0-130...
Background: During the recent years, much attention has been paid to sleeve gastrectomy (SG). However, it is important to know whether SG really improves the patients' quality of life (QoL). So far, no study has been conducted in Iranian society in this regard. Thus, in the current study, the effects of SG on QoL in Iranian patients with morbid obesity was investigated. Materials and method...
We have examined the role of the BCS pairing mechanism in the formation of the magnetic moment and henceforth a spin glass (SG) phase by studying a fermionic Sherrington-Kirkpatrick model with a local BCS coupling between the fermions. This model is obtained by using perturbation theory to trace out the conduction electrons degrees of freedom in conventional superconducting alloys. The model is...
AIM To study the impact of sleeve gastrectomy plus side-to-side jejunoileal anastomosis on weight loss and the remission of type 2 diabetes mellitus. METHODS Thirty-three 7 weeks old male Zucker diabetic fatty rats were randomized into three groups: sleeve gastrectomy plus side-to-side jejunoileal anastomosis (JI-SG group), sleeve gastrectomy (SG group), sham surgery (Control group). RESULT...
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