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تعداد نتایج: 1342157 فیلتر نتایج به سال:
Fine particulate matter (PM2.5) has a serious impact on human health. Forecasting PM2.5 levels and analyzing the pollution sources of are great significance. In this study, Lagrangian particle dispersion (LPD) model was developed by combining FLEXPART Bayesian inventory optimization method. The LPD capacity for real-time forecasting determination PM2.5, which refers to contribution ratio spatia...
in new management approaches, in the organizations with inflexible structure, existing of red tapes and interruptions caused by limitations and also non-compliance with environmental changes, create demotivation among staff. with regard to the influence of job motivational potential and its relationship to the type of organizational structure( enabling and dissuasive), the goal of this research...
Complex security protocols require a formal approach to ensure their correctness. The protocols are frequently composed of several smaller, simpler components. We would like to take advantage of the compositional nature of such protocols to split the large veri cation task into separate and more manageable pieces. Various formalisms have been used successfully for reasoning about large protocol...
Irrigated cotton (Gossypium hirsutum L.) is produced mainly in Northwest China, where groundwater heavily used. To alleviate water scarcity and increase regional economic benefits, a four-year (2016–2019) field experiment was conducted Qira Oasis, Xingjiang Province, to evaluate irrigation use efficiency (IWUE) production using the Root Zone Water Quality Model (RZWQM2), that calibrated validat...
We study Radiative Electroweak Symmetry Breaking in the Minimal Supersymmetric Standard Model (MSSM). We employ the 2-loop Renormalization Group equations for running masses and couplings taking into account sparticle threshold effects. The decoupling of each particle below its threshold is realized by a step function in all one-loop Renormalization Group equations (RGE). This program requires ...
Background & Aims: Stoma surgery is one of the events that strongly influences individual life and causes major changes in life style . Self-efficacy as a personal coping resource can facilitate adaptation with these changes . So the aim of this study was to assess self-efficacy and the related factors in ostomates. Material & Methods: It was a cross-sectional study. Eighty four patients wi...
Abstract Choosing by Advantages (CBA) is a new generation decision-making method utilized mainly in lean construction, sustainable design, methods and materials selections for the last two decades. The value-based approach of CBA considers cost as constraint uses advantages decision alternatives preference, choice, ranking. This can benefit facilities management (FM) processes that are challeng...
the present study investigated construct equivalence of multiple choice (mc) and constructed response (cr) item types across stem and content equivalent mc and cr items (item type ‘a’), non-stem-equivalent but content equivalent mc and cr items (item type ‘b’), and non-stem and non-content equivalent mc and cr items (item type ‘c’). one hundred seventy english-major undergraduates completed mc ...
The IEEE 1394 architecture standard defines a high performance serial multimedia bus that allows several components in a network to communicate with each other at high speed. In the physical layer of the architecture, a leader election protocol is used to find a spanning tree with a unique root in the network topology. If there is a cycle in the network, the protocol treats this as an error sit...
We present high resolution (R 20000) spectra in the blue and the far red of cicumnuclear star-forming regions (CNSFRs) in three early type spirals (NGC3351, NGC2903 and NGC3310) which have allowed the study of the kinematics of stars and ionized gas in these structures and, for the first time, the derivation of their dynamical masses for the first two. In some cases these regions, about 100 to ...
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