What is the best antimicrobial agent among metal oxides?

I am looking for an antimicrobial metal oxide agent for a polymeric implant and I am wondering which one is the best?

21 January 2021 7,068 5 View

Detection of insect eggs in stored and processed products?

Currently, in order to identify insect eggs in stored or processed products (such as contaminated flour or wafer samples), staining was performed based on the method mentioned in the below...

15 January 2021 6,362 5 View

How to explain the Schrodinger equation and the wave function in simple words?

The circumstance and the life route forced me to stay away from quantum mechanics for more than twenty years. Now, I do not know my ABC in quantum mechanics. A friend with just a high school level...

10 December 2020 9,472 2 View

Why pathlines keep changing their patterns?

Hello, I am using ansys fluent to simulate a steady state phenomenon, even though the residual curves are absolutely flatten, pathlines keep changing their patterns over more iteration. I was...

12 November 2020 2,231 3 View

How to simulate fracture in the axle housing ?

Hey there, I want to simulate & analyze the fracture and fatigue (crack growth) in the rear axle housing of heavy tracks (Volvo company) in Abaqus. My question is which method is suitable for...

12 November 2020 3,377 3 View

I need to wash carboxy methyl chitosan with 70%ethanol until neutral pH obtained, how can I do this task without consuming to much ethanol?

in the last step of synthesizing carboxy methyl chitosan from chitosan we need to wash it with 70%ethanol until neutral pH obtained, to achieve this goal we need to consume lots of ethanol, I am...

21 September 2020 2,060 2 View

Do you think Corona-virus (COVID-19) will lead to a new age of environmental behaviors?

It seem individual's attitude to environment are changing rather than last year due to corona virus issues and challenges. What do you think?

27 August 2020 6,394 17 View

How can I find a questionnaire for Corporate identity?

My thesis is about the relation between corporate social responsibility and corporate identity. And I can not find any questionnaire about it. Can you help me?

24 July 2020 3,507 3 View

How can I request a transimtted force between two nodes when I use tie constraint in ABAQUS?

Dear all, I have used a tie constraint in ABAQUS to attach two surfaces. the meshes of both surfaces are compatible so in front of every node of surface-1 is a node of surface-2. thus the force...

24 May 2020 9,890 3 View

To what extent, the number of people infected by Corona-virus (COVID-19) in a country can determine the level of disaster resiliency in that country?

I want to know if coronaviruses are considered as fixed variable entered in every country, can level of resiliency of that country be determined by the number of infected and dead people?...

22 March 2020 1,120 14 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

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 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