How to recrystallization amine compound and it is not soluble in common organic solvents ?

How to recrystallization amine compound and it is not soluble in common organic solvents ?

19 January 2021 671 3 View

What is the ACTUAL COST OF A PUBLICATION??

Hi. It's 2021 January. Recently, I got to know that Elsevier has converted around 160 journals into some "Transformative Journals" and follow the recommendations under "Plan S"...

19 January 2021 9,985 2 View

What if an author has concluded wrong facts in his article and published in Elsevier ?

The question is that in what form of publication we can show true facts and prove the wrong facts invalid ?

29 December 2020 9,727 7 View

What is the difference between filler and fiber?

Explain in correct manner

28 December 2020 5,199 2 View

What should be done if someone 100% copied our article and published in a predatory journal ?

28 December 2020 8,982 10 View

Advantages and Disadvantages of Submitting Article in Special Issues of a Journal ?

What are those ?

21 December 2020 7,757 4 View

What is U matrix for Hosking & Wallis discordancy test based on L-comoments?

Hello everyone I would compute Hosking & Wallis discordancy test based on L-comoments for multivariate Regional Frequency Analysis. Please help me by answer to these questions. 1- Is that...

28 November 2020 8,152 2 View

How we can grow the HT-29 cells on transwell for TEER? Is there any specific media we have to use??

Is there anything that we have to add in media for the differentiation of HT-29 cells or HT-29 MTX specific cell line or any differentiation inducer is used for TEER estimation in HT-29 cells??...

21 November 2020 7,243 1 View

In microscopy why "smaller the aperture, greater the depth of field"?

12 October 2020 3,636 2 View

How is the resolution of an image affected by the NA of the lens in microscopy?

NA= Numerical Aperture

12 October 2020 2,514 2 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

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

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

What are some of the research gaps in machine learning and artificial intelligence in africa?

i would to know some of the research gaps in the artificial intelligence field in most african countries.

03 March 2021 6,145 3 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View