Reduction in bacterial adhesion on to polymer surface is helpful or complete prevention can only solve the problem?

I am working on fabricating anti-bacterial polymer surface using surface modification techniques. I would like to understand whether substantial reduction in bacterial adhesion on to polymeric...

06 July 2018 413 1 View

When we consider small perturbation in plasma oscillation, how small ?

We consider small perturbation in plasma to understand the concept of plasma oscillation. We take perturbation in velocity, density and electric field. que-1 how do we create this perturbation...

31 December 2017 7,529 6 View

Why do we write an imaginary term in any simple harmonic motion / wave equation such as exp i(kx-wt) ? what is the origin and physical significance ?

what is the origin and significance of writing imaginary term exp i(kx-wt) in the wave equation ?

31 December 2017 3,193 12 View

Can somebody explain what is isothermal and what is adiabatic compression in case of electron and ion waves in plasma ?

In case of electron plasma waves we consider adiabatic compression and take gamma equal to 3 [using equation (2+N)/N]. what do we mean by adiabatic compression here?I mean physical significance....

31 December 2017 9,510 1 View

How to interpreat SiOx film structures (liner, network or cage like) deposited by plasma cvd from FTIR and HRSEM Images ??

I am depositing SiOx films using HMDSO / Oxygen gas mixture by low pressure RF PECVD method. In FTIR spectra I get two overlapped peaks around 1050 cm-1 and 1135 cm-1. Does this have any relation...

09 October 2015 9,895 9 View

Can someboy help me to understand wetting of Polymer surface ?

I am giving a plasma treatment to polyethylene (PE) surface. Wetting time (time taken to completely wet the PE surface) on plasma treated polymer surface changes as a function of one of my...

03 April 2015 7,132 6 View

Why is the surface functionalization of Polyester / PET fabric not revealed by FTIR method?

I am trying to see the presence of functional groups on air plasma treated polyester / PET surface by ATR-FTIR method. Getting good wettability improvement after plasma treatment, but unable to...

06 July 2014 7,644 17 View

How can we understand plasma dynamics in the PECVD coating process?

I want to understand the effect of plasma parameters on coating characteristics for deposition of SiOx and SiOxNy thin films using the PECVD method.

04 May 2014 9,154 2 View

How does thickness of the gas diffusion layer (coating of SiOx deposited on Polyethylene) play a role in determining gas transmission rate ?

I want to understand how gas transmission rate is dependent on the thickness of the diffusion barrier coating deposited on a polymer substrate. Why is the preferred thickness of the diffusion...

03 April 2014 2,529 6 View

Why do FTIR peak shifts to a higher or lower wave number side?

I am depositing SiOx film from HMDSO / Oxygen mixture. I am observing shift in the Si - O - Si peak at 1056 cm-1 towards a lower or higher wave number side while varying experimental parameters....

03 April 2014 374 11 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 June 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

What is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 View