نتایج جستجو برای: Active performance

تعداد نتایج: 1454797  

Journal: :international journal of finance, accounting and economics studies 0

in this research, performance of portfolios formed by use of grid strategy based on new variables (aggressive, indifference and defensive stocks) presented by rahnamaye roodposhti (1388), and traditional ones (growth, growth-value and value stocks), calculated with sharpe and treynor performance measures and tested by an active portfolio management approach to identify the portfolios by perform...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده برق و کامپیوتر 1392

abstract nowadaysphotovoltaic solar cells (pvs) areacknowledged the fastest growing energy technology in the word, however, they only account for only fraction of current global renewable energy capacity. it isrecognized that this incomplete market penetration has been largely a result of the technology’sexcessive cost. so researchers are trying to find innovative, economic way with theaim of ...

Journal: :international journal of environmental research 2012
r. aguilar-lópez p.a. lópez-pérez v. peña-caballero r. maya-yescas

the main task of this work is related with the design of a class of siso robust control law for theregulation of substrate concentration (cdo) of an industrial activated sludge wastewater plant. the controldesign is related with an uncertainty estimator (reduced order observer) based active control. departing from the tracking error between the desired and the current substrate concentrations t...

Journal: :international journal of environmental research 0
r. aguilar-lópez department of biotechnology & bioengineering, cinvestav-ipn, av. instituto politécnico p.a. lópez-pérez department of biotechnology & bioengineering, cinvestav-ipn, av. instituto politécnico nacional 2508, col. san pedro zacatenco, delegación gustavo a. madero, méxico v. peña-caballero department of biotechnology & bioengineering, cinvestav-ipn, av. instituto politécnico nacional 2508, col. san pedro zacatenco, delegación gustavo a. madero, méxico r. maya-yescas school of chemical engineering, universidad michoacana de san nicolás de hidalgo, ciudad universitaria, morelia, michoacán, méxico

the main task of this work is related with the design of a class of siso robust control law for theregulation of substrate concentration (cdo) of an industrial activated sludge wastewater plant. the controldesign is related with an uncertainty estimator (reduced order observer) based active control. departing from the tracking error between the desired and the current substrate concentrations t...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - پژوهشکده فنی و مهندسی 1388

asymmetric polyethersulfone (pes) microfiltration flat sheet membranes were composed by the phase inversion method (pim) and were used as supports. composite membranes were fabricated by coating silicone rubber as selective layer. effect of different concentrations of pes and pdms and different solvent such as nmp, dmf and dms effects as pes solvents and support thickness and different coagulat...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت دبیر شهید رجایی - دانشکده علوم انسانی 1391

according to cheng (1999), in recent esl/efl literature, asian (especially east asian) learners of english as a foreign/second language have been arguably reported as reticent and passive learners. the most common allegations are that these students are reluctant to participate in classroom discourse; they are unwilling to give responses; they do not ask questions; and they are passive and over...

Journal: :nursing practice today 0
mitra zolfaghari department of e-learning in medical education, virtual school and nursing and midwifery care research center, tehran university of medical sciences, tehran, iran. fatemeh behesht aeen department of critical care, school of nursing and midwifery, tehran university of medical science, tehran, iran. ahmadali asadi noghabi department of critical care, school of nursing and midwifery, tehran university of medical science, tehran, iran. abbas mehran department of epidemiology, school of nursing and midwifery, tehran university of medical sciences, tehran, iran.

background & aim : ventilator associated pneumonia (vap) is the most common infections in critical care units, which leads to more length of hospital stay, costs, and high mortality. therefore, prevention is a priority according to clinical guidelines. the aim of this study is determine the effects of passive versus active implementation of vap guidelines on nurses’ performance in critical care...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1391

the major aim of this study was to investigate the relationship between iq, eq and test format in the light of test fairness considerations. this study took this relationship into account to see if people with different eq and iq performed differently on different test formats. to this end, 90 advanced learners of english form college of ferdowsi university of mashhad were chosen. they were ask...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1390

any change in the refractive index of a laser active medium can lead to serious degradation of beam quality, laser beam modes, laser performance and variation in the intensity distribution. alteration in the refractive index of laser active medium is especially notable in high power lasers. it is clear that in the laser beam production, the pumping agent induces a great amount of heat which...

2011
John Taverniers Tom Smeets Joris Van Ruysseveldt Jef Syroit Jasper von Grumbkow

A field experiment was organized during a handgun shooting workshop for armed officers (N 36). In-depth stress analyses involved anticipatory distress, subjective stress, and salivary cortisol reactivity triggered by reality-based handgun shooting practice and, more specifically, by being in an uncontrollable situation with the risk of being shot at. Subsequently, the study examined to what ext...

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