نتایج جستجو برای: reactive
تعداد نتایج: 156494 فیلتر نتایج به سال:
This paper addresses the bidding problem faced by a virtual power plant (VPP) in energy, spinning reserve service, and reactive power service market simultaneously. Therefore, a non-equilibrium model based on security constraints price-based unit commitment (SCPBUC), which is take into account the supply-demand balancing and security constraints of VPP, is proposed. By the presented model, VPP ...
a common pathological process that occurred after brain injury is gliosis. gliosis involves the activation of glial cells to proliferate and become hypertrophic to occupy the injured brain areas. in order to form a defense system against the invasion of micro-organisms and cytotoxins into surrounding tissue, glial cells including astrocytes and microglia undergo reactive response to injury. neu...
Objectives: Postural control deficit is one of the most important problems in children with spastic cerebral palsy (CP). The purpose of this paper is to review the reactive postural control in spastic children with CP. Methods: Researches on development of reactive postural control in typically developing (TD) children and children with Cerebral Palsy (CP) were analyzed. Results: The resu...
The aim of the paper is to investigate effects of long term x-ray exposure on the human lymphocyte, reactive lymphocyte parameters and morphology of lymphocytes in x-ray technicians at Kirkuk hospitals. The study included 54 apparently healthy male x-ray technicians were matched with another 54 apparently healthy control to show any alteration in the lymphocytes, reactive lymphocytes and morpho...
Considering time-harmonic optical fields, we put forward the complex helicity and its alternating flow, together with their conservation equation: theorem. Its imaginary part constitutes a novel law that rules build-up of what establish as reactive through zero time-average flow. associated flow Poynting momentum accounts for accretion power are illustrated in two paradigmatic systems: evanesce...
Reactive oxygen species (ROS)plays an important role in sperm motility. The physiological generation at low concentration induces beneficial effects on sperm functions and plays a significant role in sperm metabolism. Meanwhile, the excessive generation of reactive oxygen species can overwhelm protective mechanism and triggers changes in lipid and protein layers of sperm plasma membrane, which ...
Usually, the conventional droop methods is utilized for control of autonomous micro-grids. In islanded micro-grids (MG), due to the effects of mismatch in line impedance, the reactive power can't share by using the conventional droop method. In this paper, a method is proposed to improve reactive power sharing. In this method, the micro-sources are acted with P-w & Q-E droop characteristics, an...
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