نتایج جستجو برای: pd substitution
تعداد نتایج: 114443 فیلتر نتایج به سال:
Background: Multiple sclerosis (MS) is a chronic inflammatory demyelinating disease of the central nervous system with presumed autoimmune origin. T cells are considered to play a pivotal role in orchestrating the self-reactive immune responses in multiple sclerosis (MS). This study was performed to investigate the role of polymorphisms of the programmed cell death 1 (PD-1) gene on susceptibili...
Objective: Parkinson Disease (PD) is a progressive deficit of central nervous system. This disease can affect gait performance. The objective of this study was to assessment the range of motion and muscle activity of lower limbs in a PD patient and a normal elderly subject. Methods: one patient with PD (height=173 cm, weight=63 kg, age 53 years) and one normal elderly subject (height=1...
یک سیستم کنترل مد لغزشی-تناسبی-مشتقی PD-SMC برای ردیابی مسیر حرکت بازوی ربات دو درجه آزادی دارای عدم قطعیت، در این مطالعه ارائه شده است. در حضور عدمقطعیت و تغییر پارامترهای یک سیستم غیرخطی، کنترل مدلغزشی SMC، روش مقاومی میباشد. با بهکارگیری روش کنترل تناسبی-مشتقی PD، سیستم حلقه بسته دارای پاسخ سریع و محدوده پایداری نیز افزایش مییابد. بنابراین در قانون PD-SMC، از ویژگیهای دو نوع کنترل SMC...
In this investigation, bismuth tungstate (Bi2WO6) nanoparticles were synthesized by the hydrothermal method, and its surface modification was performed to increase photocatalytic property by palladium (Pd) and hydroxyapatite (Hap). The Pd / Bi2WO6 / Hap sample consists of two active components in visible light (Pd, Bi2WO6) and a hydroxyapatite adsorbent (Hap). The Pd / Bi₂WO6 / Hap sample activ...
Background: The Montreal Cognitive Assessment (MoCA) has been recommended as a cognitive screening tool for clinical practice and research in Parkinson’s disease (PD), yet no normative data have been published for MoCA in PD without dementia. Methods: We undertook a pooled secondary analysis of data from two studies (one cross-sectional design and one clinical trial) conducted in the East ...
Arylsulphatase A (ASA, EC 3.1.6.1) is a lysosomal enzyme that catalyses cerebroside sulphate degradation. ASA deficiency is associated with metachromatic leucodystrophy (MLD), a rare autosomal recessive disorder, which is characterised by the storage of cerebroside sulphate. Low ASA activities can be also observed in clinically healthy persons, a condition termed ASA pseudodeficiency. Two mutat...
Peridynamics (PD) is a nonlocal continuum theory based on integro-differential equations without spatial derivatives. The elongation fracture criterion is implicitly incorporated in the PD theory, and fracture is a natural outcome of the simulation. On the other hand, a new fracture criterion based on the crack opening displacement combined with peridynamic (PD-COD) is proposed. When the relati...
cognitive deficits such as impairments in attention, memory, information processing and executive functioning can be found in some parkinson's disease (pd) patients. recent studies suggested that pd drivers generally performed poorer than their healthy age-matched controls with regards to their cognitive and motor abilities during the psychometric testing. according to michon’s model of ca...
Abstract We investigate the electronic structure of ternary palladates A Pd 3 O 4 ( = Sr, Ca) using valence band photoemission spectroscopy and calculations. Energy positions various features overall width experimental spectra are well captured by calculations hybrid functional. Band within local density approximations lead to metallic ground state while functional provide gap 0.25 eV 0.22 for ...
purpose: to compare the results of conventional hang-back technique (chbt) with that of anchored hang-back technique (ahbt) for bilateral lateral rectus (lr) recession in patients with exotropia. methods: in this randomized clinical trial, 60 patients underwent chbt (group 1) or ahbt (group 2) for lr recession (30 patients in each group). preoperative and postoperative deviation, age, sex, the ...
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