What is the proper solvent for crystallization of molebdenum diselenide in solution and room temperature other than DCM?

For crystallization we need a very good solvent to make a very clear solution, at least a good quantity of our solute is dissolved. However in our case we have to use an anhydrous solvent that...

17 June 2020 4,562 4 View

Local or regional impact (s) of global warming?

Apart from the long term impact of climate change and the famous sea level rising that will affect several regions globally .. can global warming and associated impacts such as temperature rising...

25 August 2019 8,189 5 View

Can acid or base hydrolysis occur in non-aqueous liquid formulations? should I perform acid/base hydrolysis in forced degradation study in such cases?

Regarding drug product degradation, can acid or base hydrolysis occur in non-aqueous liquid formulations? If no, should I perform acid/base hydrolysis in forced degradation study of such...

01 April 2019 237 2 View

Can I use a valid published HPLC method as it is, without complete validation, just verification?

It is well known that regulations require verification of compendial HPLC methods and full analytical validation for non compendial methods, but what about the methods published in reputable...

28 July 2018 2,846 7 View

What is the permissible overage (excess) of API in drug product formulation?

What is the permissible overage (excess) of API in drug product formulation. Is there a reference for these limits? and what about vitamins, I found some vitamins formulation containing 25% excess...

12 August 2017 3,826 13 View

Is it possible to minimize the big difference in two HPLC peaks areas in the same chromatogram?

I have HPLC method to separate two components A and B in a drug sample, in the chromatogram peak A is very small in comparison with that of B and this is somewhat uncomfortable as chromatogram...

18 August 2015 4,320 19 View

Hi everybody. Regarding forced degradation and HPLC method development, should mass balance be considered to get a valid stability-indicating method?

Hi everybody...Regarding forced degradation and HPLC method development, should mass balance be considered to get a valid stability-indicating method?

27 July 2015 2,393 7 View

Can any scientist tell me how to isolate mucilage from plants?

I have many plants rich with mucilages , I need to know the procedure to isolate them alone

29 March 2015 4,215 5 View

I need simple in vitro methods for testing antiamoebic activity?

29 December 2014 7,561 1 View

Can anyone help with chemical reduction of Ru(III) to Ru(II)?

09 July 2014 7,639 19 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's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 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

How to access MSCI KLD Stats and Sustainalytics?

Hello all, I'm currently working on my undergraduate thesis and I'm having difficulties trying to access KLD Stats and Sustainalytics because my campus Airlangga University and apparently other...

02 March 2021 8,525 1 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View