Which is the best/correct precursor for NiOx to use as HTL for perovskite solar cells?

I am looking for solution process techniques(spin coating) for depositing NiOx(Nickel Oxide) as HTL for perovskite solar cells. But I am confused in choosing a correct precursor, as I have found...

11 October 2020 963 4 View

How does leaching affect the soil pH in wetlands?

Is there any distinct relation between leaching process and change (increase or decrease) in soil pH, especially in wetlands?

27 August 2020 2,793 3 View

What are the methodologies for sedimentary provenance analysis?

In sedimentary provenance analysis, we use the petrographic methods, geochemistry, heavy mineral analysis, etc. I need the methodology for each technique to determine provenance. if possible then...

11 June 2020 8,530 4 View

What are the steps to create velocity field for flood prediction in a basin with ArcGis?

I am working to predict flood in a basin of NE India with ArcGis, but I am not able to make the velocity field for it. Give me some suggestions to do my work.

25 March 2020 7,633 3 View

Comparing computed optical flow with ground truth ?

I have computed optical flow for an image sequence using H/S method. I have the middlebury as well as the UCL datasets with ground truth flow. My question is, how to compare my results with the...

15 August 2019 7,990 4 View

How to change orientation of the frames in a simscape multibody model?

Hi , i am stuck in trying to change the orientation of the frames in simscape multibody. I am trying to specify motion to the joints in a constrained way for which i need the orientation of the...

30 July 2018 5,802 1 View

Adding figures for submission in BioMed Central ?

Hello, I am willing to submit my manuscript in JNER of Biomed central journal. Regarding adding figures in latex file, in the authors guidelines , it says that the figures should be added...

17 June 2018 8,967 1 View

What is the symmetry of a structure when Td and Oh point groups coincide/superimposed?

Since both the Td and Oh point groups belong to cubic symmetry, if we consider any structure in which the center of mass of both the structure coincide together, then what will be symmetry for the...

29 December 2016 447 4 View

How I identify the different intensity zone of a cell by MATLAB contrast thresholding?

I take a picture by microscope in which cells are present in different intensity zone. How I separate or segment them? For a particlur threshold it will show particular cell, changing the...

13 September 2016 3,282 4 View

How to assess degree of river erosion threat on particular landmass?

River erosion may have different degree of impacts on a particular land mass. When can an erosion be considered a threat? what percentage of a landmass should be eroded in order to consider it as...

11 July 2016 7,889 0 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

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

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

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