Evaluation of Mixed Matrix Membranes For Gas Separation by Using Maxwell Model

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مقالات علمی پژوهشی چاپ شده با فرمت pdf    صفحات  8

Abstract
In the present work, the separation of He/CH4 through different polymeric membranes has been considered. In this regard, composite flat sheet membranes are prepared from different amounts of poly(vinyl acetate) (PVAc) (0–40
wt%). Gas permeability were studied for the prepared membranes. The results demonstrated that the ABS/PVAc (00
wt%) membrane revealed higher permeability. Afterwards, novel mixed matrix membranes were prepared by incorporating 1–5 wt% SiO0 nanoparticles into the ABS/PVAc (00 wt%). The primary results of the prepared mixed matrix membranes showed a significant increase in the He permeability by incorporating the SiO0 nanoparticles into the blend membranes. Finally, we predicted performance of membrane with Maxwell model and calculated AARE% .
KEYWORDS: mixed matrix membrane; ABS/PVAc; He/CH4 separation; nanosilica particles; Maxwell Model

NFPA 45:2015-Standard on Fire Protection for Laboratories Using Chemicals

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62 صفحه PDF

NFPA 45:2015

Standard on Fire Protection for Laboratories Using Chemicals

Optics - Learning By Computing With Model Examples Using Mathcad, Matlab, Mathematica, And Maple

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Author: Karl Dieter Moeller

year: 2002

page: 459

Format: pdf

دانلود مقاله An Efficient Novel Key management scheme using NchooseK algorithm for Wireless Sensor Networks

اختصاصی از یاری فایل دانلود مقاله An Efficient Novel Key management scheme using NchooseK algorithm for Wireless Sensor Networks دانلود با لینک مستقیم و پر سرعت .

Title: An Efficient Novel Key management scheme using NchooseK algorithm for Wireless Sensor Networks

Author(S) :Harjot Bawa1, Parminder Singh2 and Rakesh Kumar3

Journal/Conference Name: International Journal of Computer Networks & Communications (IJCNC)

4 :Volume

Year: 2012

6:Issue

Pages: all

Abstract
In Wireless Sensor Networks Key Management is a very challenging phenomenon. This paper gives an
illustration and demonstration of mathematical model of new key management scheme which overcomes
the limitation of Pre-Shared key scheme, which is extensively used in wireless sensor networks by most of
the vendors. The environment of WSN is challenged by many limitations due to which there is an urgent
need to manage memory which is consumed while provisioning of the key in the wireless sensor network
by using N-chooseK algorithm. We were successfully able to build a more reliable network in terms of
network connectivity .Secondly it offers a scalable solution as there is no need to keep key material of all
the network in each sensor node.

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دانلود مقاله An Improvement on Route Recovery by Using Triangular Fuzzy Numbers on Route Errors in MANET

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IOSR Journal of Computer Engineering (IOSR-JCE)
e-ISSN: 2278-0661, p- ISSN: 2278-8727Volume 16, Issue 1, Ver. II (Jan. 2014), PP 75-79

Sara Aliabadi¹, Mehdi Agha Sarram¹

Abstract: Based on mobile nature in MANET, there is no doubt that all routing protocols have some route errors. Usually, routing protocols try to recover a route after a route error has been happened on an exact route to destination. This kind of route recovery could make more packet loss and also more time waste. This project adds Triangular Fuzzy Numbers to prediction of route errors and make route recovery as parallel of packet sending. Indeed, any node in this project uses a route error counter and an error prediction based on Fuzzy algorithm to recover its routes before an exact route error on its route discovery has been happened. There is no doubt that using suggested prediction cannot solve all route errors; but it could help routing protocols to improve their route recovery algorithm.This project uses DSR as one of the standard MANET routing protocols to simulate the results.

Keywords: MANET, Fuzzy, Triangular Numbers, DSR, Routing