How to characterize a covalent bond?

I am doing silane modification of a glass slide, I would like to find a way to characterize and prove that the silane modification done on glass surface is through covalent bonding not through...

29 May 2019 187 3 View

What is the possible surface coverage of nanoparticles (silica) upon silane functionalization?

I would like to get a general idea on the volume of surface area of any nanoparticles that will react with functionalizing agent considering steric hindrance and other factors.

01 May 2019 8,569 3 View

How to get pore water pressure expulsion from foundation soil only for the embankment weight using ANSYS Mechanical APDL??

I need to know how to get pore water pressure of foundation soil for the applied embankment soil weight using ANSYS Mechanical APDL. Anybody please help me..

17 March 2019 8,823 1 View

Has anyone simulated missile Trajectory in Matlab ?

I. Have to simulate a maneuvering missile Trajectory.. Please let me know if any one has simulated missile Trajectory path in Matlab

19 February 2019 5,289 4 View

How to calculate pH for the system in theoretical calculations, where the number of H+, water molecules and polymer chains in system is known?

I know, pH=-log (H+); where H+ is a conc. of H+ or H3O+ given by molarity (M). To calculate molarity the volume of total system is taken to be 1 L, but for theoretical calculations what is to be...

11 February 2019 1,793 1 View

Can N2 gas used for purging get converted to NH3/NH4 in anammox reactor?

I have set up Batch Anammox reactor. To maintain anaerobic conditions, the reactor is purged with Nitrogen gas. I would like to know whether this nitrogen gas used for purging can get converted to...

26 December 2018 4,347 3 View

Can you please help me?I am also working on wireless sensor network security.I need your help.will U?

I am Ph.D scholar and have just started working on WSN SECURITY few months back. I am really in a need of help

06 December 2018 9,546 3 View

If a dependent variable is binary and independent variables are ordinal, which regression model is appropriate?

I have survey data to find when people continue to use a device or stop using it. The preferences are ordinal values, and the response is binary value of using the device or not. Which statistical...

22 December 2017 9,707 5 View

Has anyone used primers >100bp for cloning? Please help?

I am trying to stitch in a 38 amino acid tag to the N-terminal end of my protein (3200bp) to be cloned into a lentiviral vector (~7000bp). The forward primer for the same, along with the overhang...

25 October 2017 4,308 6 View

What could be done to avoid the disruption in DNA during MD simulation?

01 September 2016 2,669 7 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

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

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

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

The procedure compute?

02 March 2021 5,204 3 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

How can I integrate a routing protocol in a tiny device (e.g. Raspberry Pi)?

Hi Community, I'm facing the issue of integration/compiling a new routing protocol in a WSN simulator. The final goal is to successfully add, configure this routing protocol in hardware devices...

01 March 2021 9,332 6 View

I have designed reflectarray element and feeding it though Horn Antenna on HFSS. After full wave simulation, I am not getting desired results?

I have designed reflectarray element to generate OAM beams at 5.8GHz and feeding it though Horn Antenna on HFSS. After full wave simulation, i am not getting desired results i.e Radiation pattern...

01 March 2021 9,701 5 View