نتایج جستجو برای: that included control zero
تعداد نتایج: 7174105 فیلتر نتایج به سال:
to evaluate the effect of nano-iron chelate and also to make a comparison with effect of eddha iron chelate on saffron, an experiment was conducted as factorial based on a randomized complete block design with six treatments and three replications in shahed university, tehran in 2011 and 2012. treatments included iron fertilizer (nano chelate and common chelate) in three levels (zero, 450 and 9...
A novel representation of reset control systems with a zero-crossing resetting law, in the framework hybrid inclusions, is postulated. The well-posedness and stability issues resulting dynamical system are investigated, strong focus on how non-deterministic behavior implemented practice. Several conditions have been developed by using eigenstructure matrices related to periods interval sequence...
We report two cases of oesophageal lodgement of ingested button batteries (BB) in young children. In one case the diagnosis and subsequent treatment was made in a timely fashion and the patient suffered no sequelae. In the second case there was a delay in diagnosis and the patient subsequently suffered both early and late complications. The purpose of this report is to highlight theingestion im...
Abstract Background: Hirsutism is a common symptom presenting to primary care endocrinologists, gynecologists, and dermatologists. Management is usually a long and troublesome process. This study was designed to evaluate the effect of fennel topical gel on mild to moderate idiopathic hirsutism. Methods: The randomized, double-blind, placebo-controlled clinical trial was carried out from 2009 ...
Background and Objectives: Use of appropriate pretreatments before drying process can greatly improve quality characteristics of the final dried products. In this study, effects of UV-B irradiation and lime juice as pretreatments on the quality characteristics of dried kiwifruit slices was investigated using hot-air method. Materials & Methods: Spray machine was used to spray lime juice at tim...
Effects of replacement of irradiated and non-irradiated pea powder with fish meal as an alternative protein source in Rainbow trout (Oncorhynchus mykiss) diet were investigated on growth parameters and thyroid hormones (T3 and T4) levels. For this purpose, 245 rainbow trouts with an average 60 ±4 g weight of were randomly divided into seven treatments. Dietary treatments included 20, 30 and 40%...
In this paper, using a polynomial transformation technique, we derive a mathematical model for dual-rate systems. Based on this model, we use a stochastic gradient algorithm to estimate unknown parameters directly from the dual-rate input-output data, and then establish an adaptive control algorithm for dual-rate systems. We prove that the parameter estimation error converges to zero under pers...
in this article a graph theoretical approach is employed to study some specifications of dynamic systems with time delay in the inputs and states, such as structural controllability and observability. first, the zero and non-zero parameters of a proposed system have been determined, next the general structure of the system is presented by a graph which is constructed by non-zero parameters. the...
According to the World Health Organization (WHO), breast cancer (BC) is one of the most deadly cancers diagnosed among middle-aged women. Precise diagnosis and prognosis are crucial to reduce the high death rate. In this paper we present a framework for automatic malignancy grading of fine needle aspiration biopsy tissue. The malignancy grade is one of the most important factors taken into cons...
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