نتایج جستجو برای: where each sub
تعداد نتایج: 1848658 فیلتر نتایج به سال:
The objective of this paper is to investigate, via relational model of two-stage data envelopment analysis, the efficiency decomposition in a two-stage production process where the outputs of the first stage are the inputs of the second stage. Unlike previous studies which used to treat the whole production process and the two sub-processes as in-dependent, this paper takes the serie...
INTRODUCTION: Crisis management is of critical importance in the oil and gas industries due to the increasing occurrence of accidents in these areas. One of the most important issues regarding crisis management in such industries is the identification of safety assembly points where employees should gather in emergencies. This study aimed to identify the safe points in a refinery using geo...
background: excellence and quality models are comprehensive methods for improving the quality of healthcare. the aim of this study was to design excellence and quality model for training centers of primary health care using delphi method. methods: in this study, delphi method was used. first, comprehensive information were collected using literature review. in extracted references, 39 models we...
Kalman information fusion filter is dealt with for WSNs (Wireless sensor networks), where multiplicative noises occur in the system model. There are l > 2 sub-systems, and for each sub-system, there are m > 2 observations that are sent through different wireless channel. Packet loss is inevitable for the wireless channel, and the optimal information fusion filter is given by the projection theo...
In the present work, we have synthesizedgadolinium(III) bromide, GdBr3 from the gadolinium oxide, Gd2O3 by sintering brominating with ammonium bromide, NH4Br. The influence of three main synthesis parameters (contact time, stoichiometry, and temperature) on the reaction yield was studied and optimized. This study showed that the optimum conditions...
In this paper we extend the Parts-Based approach of face verification by performing a frequency-based decomposition. The PartsBased approach divides the face into a set of blocks which are then considered to be separate observations, this is a spatial decomposition of the face. This paper extends the Parts-Based approach by also dividing the face in the frequency domain and treating each freque...
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